diff options
Diffstat (limited to 'gnu/usr.bin/binutils/binutils/ieee.c')
| -rw-r--r-- | gnu/usr.bin/binutils/binutils/ieee.c | 7485 |
1 files changed, 7485 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/binutils/ieee.c b/gnu/usr.bin/binutils/binutils/ieee.c new file mode 100644 index 00000000000..1ed3315645f --- /dev/null +++ b/gnu/usr.bin/binutils/binutils/ieee.c @@ -0,0 +1,7485 @@ +/* ieee.c -- Read and write IEEE-695 debugging information. + Copyright (C) 1996 Free Software Foundation, Inc. + Written by Ian Lance Taylor <ian@cygnus.com>. + + This file is part of GNU Binutils. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +/* This file reads and writes IEEE-695 debugging information. */ + +#include <stdio.h> +#include <assert.h> + +#include "bfd.h" +#include "ieee.h" +#include "bucomm.h" +#include "libiberty.h" +#include "debug.h" +#include "budbg.h" + +/* This structure holds an entry on the block stack. */ + +struct ieee_block +{ + /* The kind of block. */ + int kind; + /* The source file name, for a BB5 block. */ + const char *filename; + /* The index of the function type, for a BB4 or BB6 block. */ + unsigned int fnindx; + /* True if this function is being skipped. */ + boolean skip; +}; + +/* This structure is the block stack. */ + +#define BLOCKSTACK_SIZE (16) + +struct ieee_blockstack +{ + /* The stack pointer. */ + struct ieee_block *bsp; + /* The stack. */ + struct ieee_block stack[BLOCKSTACK_SIZE]; +}; + +/* This structure holds information for a variable. */ + +struct ieee_var +{ + /* Start of name. */ + const char *name; + /* Length of name. */ + unsigned long namlen; + /* Type. */ + debug_type type; + /* Slot if we make an indirect type. */ + debug_type *pslot; + /* Kind of variable or function. */ + enum + { + IEEE_UNKNOWN, + IEEE_EXTERNAL, + IEEE_GLOBAL, + IEEE_STATIC, + IEEE_LOCAL, + IEEE_FUNCTION + } kind; +}; + +/* This structure holds all the variables. */ + +struct ieee_vars +{ + /* Number of slots allocated. */ + unsigned int alloc; + /* Variables. */ + struct ieee_var *vars; +}; + +/* This structure holds information for a type. We need this because + we don't want to represent bitfields as real types. */ + +struct ieee_type +{ + /* Type. */ + debug_type type; + /* Slot if this is type is referenced before it is defined. */ + debug_type *pslot; + /* Slots for arguments if we make indirect types for them. */ + debug_type *arg_slots; + /* If this is a bitfield, this is the size in bits. If this is not + a bitfield, this is zero. */ + unsigned long bitsize; +}; + +/* This structure holds all the type information. */ + +struct ieee_types +{ + /* Number of slots allocated. */ + unsigned int alloc; + /* Types. */ + struct ieee_type *types; + /* Builtin types. */ +#define BUILTIN_TYPE_COUNT (60) + debug_type builtins[BUILTIN_TYPE_COUNT]; +}; + +/* This structure holds a linked last of structs with their tag names, + so that we can convert them to C++ classes if necessary. */ + +struct ieee_tag +{ + /* Next tag. */ + struct ieee_tag *next; + /* This tag name. */ + const char *name; + /* The type of the tag. */ + debug_type type; + /* The tagged type is an indirect type pointing at this slot. */ + debug_type slot; + /* This is an array of slots used when a field type is converted + into a indirect type, in case it needs to be later converted into + a reference type. */ + debug_type *fslots; +}; + +/* This structure holds the information we pass around to the parsing + functions. */ + +struct ieee_info +{ + /* The debugging handle. */ + PTR dhandle; + /* The BFD. */ + bfd *abfd; + /* The start of the bytes to be parsed. */ + const bfd_byte *bytes; + /* The end of the bytes to be parsed. */ + const bfd_byte *pend; + /* The block stack. */ + struct ieee_blockstack blockstack; + /* The variables. */ + struct ieee_vars vars; + /* The global variables, after a global typedef block. */ + struct ieee_vars *global_vars; + /* The types. */ + struct ieee_types types; + /* The list of tagged structs. */ + struct ieee_tag *tags; +}; + +/* Basic builtin types, not including the pointers. */ + +enum builtin_types +{ + builtin_unknown = 0, + builtin_void = 1, + builtin_signed_char = 2, + builtin_unsigned_char = 3, + builtin_signed_short_int = 4, + builtin_unsigned_short_int = 5, + builtin_signed_long = 6, + builtin_unsigned_long = 7, + builtin_signed_long_long = 8, + builtin_unsigned_long_long = 9, + builtin_float = 10, + builtin_double = 11, + builtin_long_double = 12, + builtin_long_long_double = 13, + builtin_quoted_string = 14, + builtin_instruction_address = 15, + builtin_int = 16, + builtin_unsigned = 17, + builtin_unsigned_int = 18, + builtin_char = 19, + builtin_long = 20, + builtin_short = 21, + builtin_unsigned_short = 22, + builtin_short_int = 23, + builtin_signed_short = 24, + builtin_bcd_float = 25 +}; + +/* These are the values found in the derivation flags of a 'b' + component record of a 'T' type extension record in a C++ pmisc + record. These are bitmasks. */ + +/* Set for a private base class, clear for a public base class. + Protected base classes are not supported. */ +#define BASEFLAGS_PRIVATE (0x1) +/* Set for a virtual base class. */ +#define BASEFLAGS_VIRTUAL (0x2) +/* Set for a friend class, clear for a base class. */ +#define BASEFLAGS_FRIEND (0x10) + +/* These are the values found in the specs flags of a 'd', 'm', or 'v' + component record of a 'T' type extension record in a C++ pmisc + record. The same flags are used for a 'M' record in a C++ pmisc + record. */ + +/* The lower two bits hold visibility information. */ +#define CXXFLAGS_VISIBILITY (0x3) +/* This value in the lower two bits indicates a public member. */ +#define CXXFLAGS_VISIBILITY_PUBLIC (0x0) +/* This value in the lower two bits indicates a private member. */ +#define CXXFLAGS_VISIBILITY_PRIVATE (0x1) +/* This value in the lower two bits indicates a protected member. */ +#define CXXFLAGS_VISIBILITY_PROTECTED (0x2) +/* Set for a static member. */ +#define CXXFLAGS_STATIC (0x4) +/* Set for a virtual override. */ +#define CXXFLAGS_OVERRIDE (0x8) +/* Set for a friend function. */ +#define CXXFLAGS_FRIEND (0x10) +/* Set for a const function. */ +#define CXXFLAGS_CONST (0x20) +/* Set for a volatile function. */ +#define CXXFLAGS_VOLATILE (0x40) +/* Set for an overloaded function. */ +#define CXXFLAGS_OVERLOADED (0x80) +/* Set for an operator function. */ +#define CXXFLAGS_OPERATOR (0x100) +/* Set for a constructor or destructor. */ +#define CXXFLAGS_CTORDTOR (0x400) +/* Set for a constructor. */ +#define CXXFLAGS_CTOR (0x200) +/* Set for an inline function. */ +#define CXXFLAGS_INLINE (0x800) + +/* Local functions. */ + +static void ieee_error + PARAMS ((struct ieee_info *, const bfd_byte *, const char *)); +static void ieee_eof PARAMS ((struct ieee_info *)); +static char *savestring PARAMS ((const char *, unsigned long)); +static boolean ieee_read_number + PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *)); +static boolean ieee_read_optional_number + PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *, boolean *)); +static boolean ieee_read_id + PARAMS ((struct ieee_info *, const bfd_byte **, const char **, + unsigned long *)); +static boolean ieee_read_optional_id + PARAMS ((struct ieee_info *, const bfd_byte **, const char **, + unsigned long *, boolean *)); +static boolean ieee_read_expression + PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *)); +static debug_type ieee_builtin_type + PARAMS ((struct ieee_info *, const bfd_byte *, unsigned int)); +static boolean ieee_alloc_type + PARAMS ((struct ieee_info *, unsigned int, boolean)); +static boolean ieee_read_type_index + PARAMS ((struct ieee_info *, const bfd_byte **, debug_type *)); +static int ieee_regno_to_genreg PARAMS ((bfd *, int)); +static int ieee_genreg_to_regno PARAMS ((bfd *, int)); +static boolean parse_ieee_bb PARAMS ((struct ieee_info *, const bfd_byte **)); +static boolean parse_ieee_be PARAMS ((struct ieee_info *, const bfd_byte **)); +static boolean parse_ieee_nn PARAMS ((struct ieee_info *, const bfd_byte **)); +static boolean parse_ieee_ty PARAMS ((struct ieee_info *, const bfd_byte **)); +static boolean parse_ieee_atn PARAMS ((struct ieee_info *, const bfd_byte **)); +static boolean ieee_read_cxx_misc + PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long)); +static boolean ieee_read_cxx_class + PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long)); +static boolean ieee_read_cxx_defaults + PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long)); +static boolean ieee_read_reference + PARAMS ((struct ieee_info *, const bfd_byte **)); +static boolean ieee_require_asn + PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *)); +static boolean ieee_require_atn65 + PARAMS ((struct ieee_info *, const bfd_byte **, const char **, + unsigned long *)); + +/* Report an error in the IEEE debugging information. */ + +static void +ieee_error (info, p, s) + struct ieee_info *info; + const bfd_byte *p; + const char *s; +{ + if (p != NULL) + fprintf (stderr, "%s: 0x%lx: %s (0x%x)\n", bfd_get_filename (info->abfd), + (unsigned long) (p - info->bytes), s, *p); + else + fprintf (stderr, "%s: %s\n", bfd_get_filename (info->abfd), s); +} + +/* Report an unexpected EOF in the IEEE debugging information. */ + +static void +ieee_eof (info) + struct ieee_info *info; +{ + ieee_error (info, (const bfd_byte *) NULL, + "unexpected end of debugging information"); +} + +/* Save a string in memory. */ + +static char * +savestring (start, len) + const char *start; + unsigned long len; +{ + char *ret; + + ret = (char *) xmalloc (len + 1); + memcpy (ret, start, len); + ret[len] = '\0'; + return ret; +} + +/* Read a number which must be present in an IEEE file. */ + +static boolean +ieee_read_number (info, pp, pv) + struct ieee_info *info; + const bfd_byte **pp; + bfd_vma *pv; +{ + return ieee_read_optional_number (info, pp, pv, (boolean *) NULL); +} + +/* Read a number in an IEEE file. If ppresent is not NULL, the number + need not be there. */ + +static boolean +ieee_read_optional_number (info, pp, pv, ppresent) + struct ieee_info *info; + const bfd_byte **pp; + bfd_vma *pv; + boolean *ppresent; +{ + ieee_record_enum_type b; + + if (*pp >= info->pend) + { + if (ppresent != NULL) + { + *ppresent = false; + return true; + } + ieee_eof (info); + return false; + } + + b = (ieee_record_enum_type) **pp; + ++*pp; + + if (b <= ieee_number_end_enum) + { + *pv = (bfd_vma) b; + if (ppresent != NULL) + *ppresent = true; + return true; + } + + if (b >= ieee_number_repeat_start_enum && b <= ieee_number_repeat_end_enum) + { + unsigned int i; + + i = (int) b - (int) ieee_number_repeat_start_enum; + if (*pp + i - 1 >= info->pend) + { + ieee_eof (info); + return false; + } + + *pv = 0; + for (; i > 0; i--) + { + *pv <<= 8; + *pv += **pp; + ++*pp; + } + + if (ppresent != NULL) + *ppresent = true; + + return true; + } + + if (ppresent != NULL) + { + --*pp; + *ppresent = false; + return true; + } + + ieee_error (info, *pp - 1, "invalid number"); + return false; +} + +/* Read a required string from an IEEE file. */ + +static boolean +ieee_read_id (info, pp, pname, pnamlen) + struct ieee_info *info; + const bfd_byte **pp; + const char **pname; + unsigned long *pnamlen; +{ + return ieee_read_optional_id (info, pp, pname, pnamlen, (boolean *) NULL); +} + +/* Read a string from an IEEE file. If ppresent is not NULL, the + string is optional. */ + +static boolean +ieee_read_optional_id (info, pp, pname, pnamlen, ppresent) + struct ieee_info *info; + const bfd_byte **pp; + const char **pname; + unsigned long *pnamlen; + boolean *ppresent; +{ + bfd_byte b; + unsigned long len; + + if (*pp >= info->pend) + { + ieee_eof (info); + return false; + } + + b = **pp; + ++*pp; + + if (b <= 0x7f) + len = b; + else if ((ieee_record_enum_type) b == ieee_extension_length_1_enum) + { + len = **pp; + ++*pp; + } + else if ((ieee_record_enum_type) b == ieee_extension_length_2_enum) + { + len = (**pp << 8) + (*pp)[1]; + *pp += 2; + } + else + { + if (ppresent != NULL) + { + --*pp; + *ppresent = false; + return true; + } + ieee_error (info, *pp - 1, "invalid string length"); + return false; + } + + if ((unsigned long) (info->pend - *pp) < len) + { + ieee_eof (info); + return false; + } + + *pname = (const char *) *pp; + *pnamlen = len; + *pp += len; + + if (ppresent != NULL) + *ppresent = true; + + return true; +} + +/* Read an expression from an IEEE file. Since this code is only used + to parse debugging information, I haven't bothered to write a full + blown IEEE expression parser. I've only thrown in the things I've + seen in debugging information. This can be easily extended if + necessary. */ + +static boolean +ieee_read_expression (info, pp, pv) + struct ieee_info *info; + const bfd_byte **pp; + bfd_vma *pv; +{ + const bfd_byte *expr_start; +#define EXPR_STACK_SIZE (10) + bfd_vma expr_stack[EXPR_STACK_SIZE]; + bfd_vma *esp; + + expr_start = *pp; + + esp = expr_stack; + + while (1) + { + const bfd_byte *start; + bfd_vma val; + boolean present; + ieee_record_enum_type c; + + start = *pp; + + if (! ieee_read_optional_number (info, pp, &val, &present)) + return false; + + if (present) + { + if (esp - expr_stack >= EXPR_STACK_SIZE) + { + ieee_error (info, start, "expression stack overflow"); + return false; + } + *esp++ = val; + continue; + } + + c = (ieee_record_enum_type) **pp; + + if (c >= ieee_module_beginning_enum) + break; + + ++*pp; + + if (c == ieee_comma) + break; + + switch (c) + { + default: + ieee_error (info, start, "unsupported IEEE expression operator"); + break; + + case ieee_variable_R_enum: + { + bfd_vma indx; + asection *s; + + if (! ieee_read_number (info, pp, &indx)) + return false; + for (s = info->abfd->sections; s != NULL; s = s->next) + if ((bfd_vma) s->target_index == indx) + break; + if (s == NULL) + { + ieee_error (info, start, "unknown section"); + return false; + } + + if (esp - expr_stack >= EXPR_STACK_SIZE) + { + ieee_error (info, start, "expression stack overflow"); + return false; + } + + *esp++ = bfd_get_section_vma (info->abfd, s); + } + break; + + case ieee_function_plus_enum: + case ieee_function_minus_enum: + { + bfd_vma v1, v2; + + if (esp - expr_stack < 2) + { + ieee_error (info, start, "expression stack underflow"); + return false; + } + + v1 = *--esp; + v2 = *--esp; + *esp++ = v1 + v2; + } + break; + } + } + + if (esp - 1 != expr_stack) + { + ieee_error (info, expr_start, "expression stack mismatch"); + return false; + } + + *pv = *--esp; + + return true; +} + +/* Return an IEEE builtin type. */ + +static debug_type +ieee_builtin_type (info, p, indx) + struct ieee_info *info; + const bfd_byte *p; + unsigned int indx; +{ + PTR dhandle; + debug_type type; + const char *name; + + if (indx < BUILTIN_TYPE_COUNT + && info->types.builtins[indx] != DEBUG_TYPE_NULL) + return info->types.builtins[indx]; + + dhandle = info->dhandle; + + if (indx >= 32 && indx < 64) + { + type = debug_make_pointer_type (dhandle, + ieee_builtin_type (info, p, indx - 32)); + assert (indx < BUILTIN_TYPE_COUNT); + info->types.builtins[indx] = type; + return type; + } + + switch ((enum builtin_types) indx) + { + default: + ieee_error (info, p, "unknown builtin type"); + return NULL; + + case builtin_unknown: + type = debug_make_void_type (dhandle); + name = NULL; + break; + + case builtin_void: + type = debug_make_void_type (dhandle); + name = "void"; + break; + + case builtin_signed_char: + type = debug_make_int_type (dhandle, 1, false); + name = "signed char"; + break; + + case builtin_unsigned_char: + type = debug_make_int_type (dhandle, 1, true); + name = "unsigned char"; + break; + + case builtin_signed_short_int: + type = debug_make_int_type (dhandle, 2, false); + name = "signed short int"; + break; + + case builtin_unsigned_short_int: + type = debug_make_int_type (dhandle, 2, true); + name = "unsigned short int"; + break; + + case builtin_signed_long: + type = debug_make_int_type (dhandle, 4, false); + name = "signed long"; + break; + + case builtin_unsigned_long: + type = debug_make_int_type (dhandle, 4, true); + name = "unsigned long"; + break; + + case builtin_signed_long_long: + type = debug_make_int_type (dhandle, 8, false); + name = "signed long long"; + break; + + case builtin_unsigned_long_long: + type = debug_make_int_type (dhandle, 8, true); + name = "unsigned long long"; + break; + + case builtin_float: + type = debug_make_float_type (dhandle, 4); + name = "float"; + break; + + case builtin_double: + type = debug_make_float_type (dhandle, 8); + name = "double"; + break; + + case builtin_long_double: + /* FIXME: The size for this type should depend upon the + processor. */ + type = debug_make_float_type (dhandle, 12); + name = "long double"; + break; + + case builtin_long_long_double: + type = debug_make_float_type (dhandle, 16); + name = "long long double"; + break; + + case builtin_quoted_string: + type = debug_make_array_type (dhandle, + ieee_builtin_type (info, p, + ((unsigned int) + builtin_char)), + ieee_builtin_type (info, p, + ((unsigned int) + builtin_int)), + 0, -1, true); + name = "QUOTED STRING"; + break; + + case builtin_instruction_address: + /* FIXME: This should be a code address. */ + type = debug_make_int_type (dhandle, 4, true); + name = "instruction address"; + break; + + case builtin_int: + /* FIXME: The size for this type should depend upon the + processor. */ + type = debug_make_int_type (dhandle, 4, false); + name = "int"; + break; + + case builtin_unsigned: + /* FIXME: The size for this type should depend upon the + processor. */ + type = debug_make_int_type (dhandle, 4, true); + name = "unsigned"; + break; + + case builtin_unsigned_int: + /* FIXME: The size for this type should depend upon the + processor. */ + type = debug_make_int_type (dhandle, 4, true); + name = "unsigned int"; + break; + + case builtin_char: + type = debug_make_int_type (dhandle, 1, false); + name = "char"; + break; + + case builtin_long: + type = debug_make_int_type (dhandle, 4, false); + name = "long"; + break; + + case builtin_short: + type = debug_make_int_type (dhandle, 2, false); + name = "short"; + break; + + case builtin_unsigned_short: + type = debug_make_int_type (dhandle, 2, true); + name = "unsigned short"; + break; + + case builtin_short_int: + type = debug_make_int_type (dhandle, 2, false); + name = "short int"; + break; + + case builtin_signed_short: + type = debug_make_int_type (dhandle, 2, false); + name = "signed short"; + break; + + case builtin_bcd_float: + ieee_error (info, p, "BCD float type not supported"); + return false; + } + + if (name != NULL) + type = debug_name_type (dhandle, name, type); + + assert (indx < BUILTIN_TYPE_COUNT); + + info->types.builtins[indx] = type; + + return type; +} + +/* Allocate more space in the type table. If ref is true, this is a + reference to the type; if it is not already defined, we should set + up an indirect type. */ + +static boolean +ieee_alloc_type (info, indx, ref) + struct ieee_info *info; + unsigned int indx; + boolean ref; +{ + unsigned int nalloc; + register struct ieee_type *t; + struct ieee_type *tend; + + if (indx >= info->types.alloc) + { + nalloc = info->types.alloc; + if (nalloc == 0) + nalloc = 4; + while (indx >= nalloc) + nalloc *= 2; + + info->types.types = ((struct ieee_type *) + xrealloc (info->types.types, + nalloc * sizeof *info->types.types)); + + memset (info->types.types + info->types.alloc, 0, + (nalloc - info->types.alloc) * sizeof *info->types.types); + + tend = info->types.types + nalloc; + for (t = info->types.types + info->types.alloc; t < tend; t++) + t->type = DEBUG_TYPE_NULL; + + info->types.alloc = nalloc; + } + + if (ref) + { + t = info->types.types + indx; + if (t->type == NULL) + { + t->pslot = (debug_type *) xmalloc (sizeof *t->pslot); + *t->pslot = DEBUG_TYPE_NULL; + t->type = debug_make_indirect_type (info->dhandle, t->pslot, + (const char *) NULL); + if (t->type == NULL) + return false; + } + } + + return true; +} + +/* Read a type index and return the corresponding type. */ + +static boolean +ieee_read_type_index (info, pp, ptype) + struct ieee_info *info; + const bfd_byte **pp; + debug_type *ptype; +{ + const bfd_byte *start; + bfd_vma indx; + + start = *pp; + + if (! ieee_read_number (info, pp, &indx)) + return false; + + if (indx < 256) + { + *ptype = ieee_builtin_type (info, start, indx); + if (*ptype == NULL) + return false; + return true; + } + + indx -= 256; + if (! ieee_alloc_type (info, indx, true)) + return false; + + *ptype = info->types.types[indx].type; + + return true; +} + +/* Parse IEEE debugging information for a file. This is passed the + bytes which compose the Debug Information Part of an IEEE file. */ + +boolean +parse_ieee (dhandle, abfd, bytes, len) + PTR dhandle; + bfd *abfd; + const bfd_byte *bytes; + bfd_size_type len; +{ + struct ieee_info info; + unsigned int i; + const bfd_byte *p, *pend; + + info.dhandle = dhandle; + info.abfd = abfd; + info.bytes = bytes; + info.pend = bytes + len; + info.blockstack.bsp = info.blockstack.stack; + info.vars.alloc = 0; + info.vars.vars = NULL; + info.types.alloc = 0; + info.types.types = NULL; + info.tags = NULL; + for (i = 0; i < BUILTIN_TYPE_COUNT; i++) + info.types.builtins[i] = DEBUG_TYPE_NULL; + + p = bytes; + pend = info.pend; + while (p < pend) + { + const bfd_byte *record_start; + ieee_record_enum_type c; + + record_start = p; + + c = (ieee_record_enum_type) *p++; + + if (c == ieee_at_record_enum) + c = (ieee_record_enum_type) (((unsigned int) c << 8) | *p++); + + if (c <= ieee_number_repeat_end_enum) + { + ieee_error (&info, record_start, "unexpected number"); + return false; + } + + switch (c) + { + default: + ieee_error (&info, record_start, "unexpected record type"); + return false; + + case ieee_bb_record_enum: + if (! parse_ieee_bb (&info, &p)) + return false; + break; + + case ieee_be_record_enum: + if (! parse_ieee_be (&info, &p)) + return false; + break; + + case ieee_nn_record: + if (! parse_ieee_nn (&info, &p)) + return false; + break; + + case ieee_ty_record_enum: + if (! parse_ieee_ty (&info, &p)) + return false; + break; + + case ieee_atn_record_enum: + if (! parse_ieee_atn (&info, &p)) + return false; + break; + } + } + + if (info.blockstack.bsp != info.blockstack.stack) + { + ieee_error (&info, (const bfd_byte *) NULL, + "blocks left on stack at end"); + return false; + } + + return true; +} + +/* Handle an IEEE BB record. */ + +static boolean +parse_ieee_bb (info, pp) + struct ieee_info *info; + const bfd_byte **pp; +{ + const bfd_byte *block_start; + bfd_byte b; + bfd_vma size; + const char *name; + unsigned long namlen; + char *namcopy; + unsigned int fnindx; + boolean skip; + + block_start = *pp; + + b = **pp; + ++*pp; + + if (! ieee_read_number (info, pp, &size) + || ! ieee_read_id (info, pp, &name, &namlen)) + return false; + + fnindx = (unsigned int) -1; + skip = false; + + switch (b) + { + case 1: + /* BB1: Type definitions local to a module. */ + namcopy = savestring (name, namlen); + if (namcopy == NULL) + return false; + if (! debug_set_filename (info->dhandle, namcopy)) + return false; + break; + + case 2: + /* BB2: Global type definitions. The name is supposed to be + empty, but we don't check. */ + if (! debug_set_filename (info->dhandle, "*global*")) + return false; + break; + + case 3: + /* BB3: High level module block begin. We don't have to do + anything here. The name is supposed to be the same as for + the BB1, but we don't check. */ + break; + + case 4: + /* BB4: Global function. */ + { + bfd_vma stackspace, typindx, offset; + debug_type return_type; + + if (! ieee_read_number (info, pp, &stackspace) + || ! ieee_read_number (info, pp, &typindx) + || ! ieee_read_expression (info, pp, &offset)) + return false; + + /* We have no way to record the stack space. FIXME. */ + + if (typindx < 256) + { + return_type = ieee_builtin_type (info, block_start, typindx); + if (return_type == DEBUG_TYPE_NULL) + return false; + } + else + { + typindx -= 256; + if (! ieee_alloc_type (info, typindx, true)) + return false; + fnindx = typindx; + return_type = info->types.types[typindx].type; + if (debug_get_type_kind (info->dhandle, return_type) + == DEBUG_KIND_FUNCTION) + return_type = debug_get_return_type (info->dhandle, + return_type); + } + + namcopy = savestring (name, namlen); + if (namcopy == NULL) + return false; + if (! debug_record_function (info->dhandle, namcopy, return_type, + true, offset)) + return false; + } + break; + + case 5: + /* BB5: File name for source line numbers. */ + { + unsigned int i; + + /* We ignore the date and time. FIXME. */ + for (i = 0; i < 6; i++) + { + bfd_vma ignore; + boolean present; + + if (! ieee_read_optional_number (info, pp, &ignore, &present)) + return false; + if (! present) + break; + } + + namcopy = savestring (name, namlen); + if (namcopy == NULL) + return false; + if (! debug_start_source (info->dhandle, namcopy)) + return false; + } + break; + + case 6: + /* BB6: Local function or block. */ + { + bfd_vma stackspace, typindx, offset; + + if (! ieee_read_number (info, pp, &stackspace) + || ! ieee_read_number (info, pp, &typindx) + || ! ieee_read_expression (info, pp, &offset)) + return false; + + /* We have no way to record the stack space. FIXME. */ + + if (namlen == 0) + { + if (! debug_start_block (info->dhandle, offset)) + return false; + /* Change b to indicate that this is a block + rather than a function. */ + b = 0x86; + } + else + { + /* The MRI C++ compiler will output a fake function named + __XRYCPP to hold C++ debugging information. We skip + that function. This is not crucial, but it makes + converting from IEEE to other debug formats work + better. */ + if (strncmp (name, "__XRYCPP", namlen) == 0) + skip = true; + else + { + debug_type return_type; + + if (typindx < 256) + { + return_type = ieee_builtin_type (info, block_start, + typindx); + if (return_type == NULL) + return false; + } + else + { + typindx -= 256; + if (! ieee_alloc_type (info, typindx, true)) + return false; + fnindx = typindx; + return_type = info->types.types[typindx].type; + if (debug_get_type_kind (info->dhandle, return_type) + == DEBUG_KIND_FUNCTION) + return_type = debug_get_return_type (info->dhandle, + return_type); + } + + namcopy = savestring (name, namlen); + if (namcopy == NULL) + return false; + if (! debug_record_function (info->dhandle, namcopy, + return_type, false, offset)) + return false; + } + } + } + break; + + case 10: + /* BB10: Assembler module scope. We completely ignore all this + information. FIXME. */ + { + const char *inam, *vstr; + unsigned long inamlen, vstrlen; + bfd_vma tool_type; + boolean present; + unsigned int i; + + if (! ieee_read_id (info, pp, &inam, &inamlen) + || ! ieee_read_number (info, pp, &tool_type) + || ! ieee_read_optional_id (info, pp, &vstr, &vstrlen, &present)) + return false; + for (i = 0; i < 6; i++) + { + bfd_vma ignore; + + if (! ieee_read_optional_number (info, pp, &ignore, &present)) + return false; + if (! present) + break; + } + } + break; + + case 11: + /* BB11: Module section. We completely ignore all this + information. FIXME. */ + { + bfd_vma sectype, secindx, offset, map; + boolean present; + + if (! ieee_read_number (info, pp, §ype) + || ! ieee_read_number (info, pp, &secindx) + || ! ieee_read_expression (info, pp, &offset) + || ! ieee_read_optional_number (info, pp, &map, &present)) + return false; + } + break; + + default: + ieee_error (info, block_start, "unknown BB type"); + return false; + } + + + /* Push this block on the block stack. */ + + if (info->blockstack.bsp >= info->blockstack.stack + BLOCKSTACK_SIZE) + { + ieee_error (info, (const bfd_byte *) NULL, "stack overflow"); + return false; + } + + info->blockstack.bsp->kind = b; + if (b == 5) + info->blockstack.bsp->filename = namcopy; + info->blockstack.bsp->fnindx = fnindx; + info->blockstack.bsp->skip = skip; + ++info->blockstack.bsp; + + return true; +} + +/* Handle an IEEE BE record. */ + +static boolean +parse_ieee_be (info, pp) + struct ieee_info *info; + const bfd_byte **pp; +{ + bfd_vma offset; + + if (info->blockstack.bsp <= info->blockstack.stack) + { + ieee_error (info, *pp, "stack underflow"); + return false; + } + --info->blockstack.bsp; + + switch (info->blockstack.bsp->kind) + { + case 2: + /* When we end the global typedefs block, we copy out the the + contents of info->vars. This is because the variable indices + may be reused in the local blocks. However, we need to + preserve them so that we can locate a function returning a + reference variable whose type is named in the global typedef + block. */ + info->global_vars = ((struct ieee_vars *) + xmalloc (sizeof *info->global_vars)); + info->global_vars->alloc = info->vars.alloc; + info->global_vars->vars = ((struct ieee_var *) + xmalloc (info->vars.alloc + * sizeof (*info->vars.vars))); + memcpy (info->global_vars->vars, info->vars.vars, + info->vars.alloc * sizeof (*info->vars.vars)); + break; + + case 4: + case 6: + if (! ieee_read_expression (info, pp, &offset)) + return false; + if (! info->blockstack.bsp->skip) + { + if (! debug_end_function (info->dhandle, offset + 1)) + return false; + } + break; + + case 0x86: + /* This is BE6 when BB6 started a block rather than a local + function. */ + if (! ieee_read_expression (info, pp, &offset)) + return false; + if (! debug_end_block (info->dhandle, offset + 1)) + return false; + break; + + case 5: + /* When we end a BB5, we look up the stack for the last BB5, if + there is one, so that we can call debug_start_source. */ + if (info->blockstack.bsp > info->blockstack.stack) + { + struct ieee_block *bl; + + bl = info->blockstack.bsp; + do + { + --bl; + if (bl->kind == 5) + { + if (! debug_start_source (info->dhandle, bl->filename)) + return false; + break; + } + } + while (bl != info->blockstack.stack); + } + break; + + case 11: + if (! ieee_read_expression (info, pp, &offset)) + return false; + /* We just ignore the module size. FIXME. */ + break; + + default: + /* Other block types do not have any trailing information. */ + break; + } + + return true; +} + +/* Parse an NN record. */ + +static boolean +parse_ieee_nn (info, pp) + struct ieee_info *info; + const bfd_byte **pp; +{ + const bfd_byte *nn_start; + bfd_vma varindx; + const char *name; + unsigned long namlen; + + nn_start = *pp; + + if (! ieee_read_number (info, pp, &varindx) + || ! ieee_read_id (info, pp, &name, &namlen)) + return false; + + if (varindx < 32) + { + ieee_error (info, nn_start, "illegal variable index"); + return false; + } + varindx -= 32; + + if (varindx >= info->vars.alloc) + { + unsigned int alloc; + + alloc = info->vars.alloc; + if (alloc == 0) + alloc = 4; + while (varindx >= alloc) + alloc *= 2; + info->vars.vars = ((struct ieee_var *) + xrealloc (info->vars.vars, + alloc * sizeof *info->vars.vars)); + memset (info->vars.vars + info->vars.alloc, 0, + (alloc - info->vars.alloc) * sizeof *info->vars.vars); + info->vars.alloc = alloc; + } + + info->vars.vars[varindx].name = name; + info->vars.vars[varindx].namlen = namlen; + + return true; +} + +/* Parse a TY record. */ + +static boolean +parse_ieee_ty (info, pp) + struct ieee_info *info; + const bfd_byte **pp; +{ + const bfd_byte *ty_start, *ty_var_start, *ty_code_start; + bfd_vma typeindx, varindx, tc; + PTR dhandle; + boolean tag, typdef; + debug_type *arg_slots; + unsigned long type_bitsize; + debug_type type; + + ty_start = *pp; + + if (! ieee_read_number (info, pp, &typeindx)) + return false; + + if (typeindx < 256) + { + ieee_error (info, ty_start, "illegal type index"); + return false; + } + + typeindx -= 256; + if (! ieee_alloc_type (info, typeindx, false)) + return false; + + if (**pp != 0xce) + { + ieee_error (info, *pp, "unknown TY code"); + return false; + } + ++*pp; + + ty_var_start = *pp; + + if (! ieee_read_number (info, pp, &varindx)) + return false; + + if (varindx < 32) + { + ieee_error (info, ty_var_start, "illegal variable index"); + return false; + } + varindx -= 32; + + if (varindx >= info->vars.alloc || info->vars.vars[varindx].name == NULL) + { + ieee_error (info, ty_var_start, "undefined variable in TY"); + return false; + } + + ty_code_start = *pp; + + if (! ieee_read_number (info, pp, &tc)) + return false; + + dhandle = info->dhandle; + + tag = false; + typdef = false; + arg_slots = NULL; + type_bitsize = 0; + switch (tc) + { + default: + ieee_error (info, ty_code_start, "unknown TY code"); + return false; + + case '!': + /* Unknown type, with size. We treat it as int. FIXME. */ + { + bfd_vma size; + + if (! ieee_read_number (info, pp, &size)) + return false; + type = debug_make_int_type (dhandle, size, false); + } + break; + + case 'A': /* Array. */ + case 'a': /* FORTRAN array in column/row order. FIXME: Not + distinguished from normal array. */ + { + debug_type ele_type; + bfd_vma lower, upper; + + if (! ieee_read_type_index (info, pp, &ele_type) + || ! ieee_read_number (info, pp, &lower) + || ! ieee_read_number (info, pp, &upper)) + return false; + type = debug_make_array_type (dhandle, ele_type, + ieee_builtin_type (info, ty_code_start, + ((unsigned int) + builtin_int)), + (bfd_signed_vma) lower, + (bfd_signed_vma) upper, + false); + } + break; + + case 'E': + /* Simple enumeration. */ + { + bfd_vma size; + unsigned int alloc; + const char **names; + unsigned int c; + bfd_signed_vma *vals; + unsigned int i; + + if (! ieee_read_number (info, pp, &size)) + return false; + /* FIXME: we ignore the enumeration size. */ + + alloc = 10; + names = (const char **) xmalloc (alloc * sizeof *names); + memset (names, 0, alloc * sizeof *names); + c = 0; + while (1) + { + const char *name; + unsigned long namlen; + boolean present; + + if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + if (! present) + break; + + if (c + 1 >= alloc) + { + alloc += 10; + names = ((const char **) + xrealloc (names, alloc * sizeof *names)); + } + + names[c] = savestring (name, namlen); + if (names[c] == NULL) + return false; + ++c; + } + + names[c] = NULL; + + vals = (bfd_signed_vma *) xmalloc (c * sizeof *vals); + for (i = 0; i < c; i++) + vals[i] = i; + + type = debug_make_enum_type (dhandle, names, vals); + tag = true; + } + break; + + case 'G': + /* Struct with bit fields. */ + { + bfd_vma size; + unsigned int alloc; + debug_field *fields; + unsigned int c; + + if (! ieee_read_number (info, pp, &size)) + return false; + + alloc = 10; + fields = (debug_field *) xmalloc (alloc * sizeof *fields); + c = 0; + while (1) + { + const char *name; + unsigned long namlen; + boolean present; + debug_type ftype; + bfd_vma bitpos, bitsize; + + if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + if (! present) + break; + if (! ieee_read_type_index (info, pp, &ftype) + || ! ieee_read_number (info, pp, &bitpos) + || ! ieee_read_number (info, pp, &bitsize)) + return false; + + if (c + 1 >= alloc) + { + alloc += 10; + fields = ((debug_field *) + xrealloc (fields, alloc * sizeof *fields)); + } + + fields[c] = debug_make_field (dhandle, savestring (name, namlen), + ftype, bitpos, bitsize, + DEBUG_VISIBILITY_PUBLIC); + if (fields[c] == NULL) + return false; + ++c; + } + + fields[c] = NULL; + + type = debug_make_struct_type (dhandle, true, size, fields); + tag = true; + } + break; + + case 'N': + /* Enumeration. */ + { + unsigned int alloc; + const char **names; + bfd_signed_vma *vals; + unsigned int c; + + alloc = 10; + names = (const char **) xmalloc (alloc * sizeof *names); + vals = (bfd_signed_vma *) xmalloc (alloc * sizeof *names); + c = 0; + while (1) + { + const char *name; + unsigned long namlen; + boolean present; + bfd_vma val; + + if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + if (! present) + break; + if (! ieee_read_number (info, pp, &val)) + return false; + + /* If the length of the name is zero, then the value is + actually the size of the enum. We ignore this + information. FIXME. */ + if (namlen == 0) + continue; + + if (c + 1 >= alloc) + { + alloc += 10; + names = ((const char **) + xrealloc (names, alloc * sizeof *names)); + vals = ((bfd_signed_vma *) + xrealloc (vals, alloc * sizeof *vals)); + } + + names[c] = savestring (name, namlen); + if (names[c] == NULL) + return false; + vals[c] = (bfd_signed_vma) val; + ++c; + } + + names[c] = NULL; + + type = debug_make_enum_type (dhandle, names, vals); + tag = true; + } + break; + + case 'O': /* Small pointer. We don't distinguish small and large + pointers. FIXME. */ + case 'P': /* Large pointer. */ + { + debug_type t; + + if (! ieee_read_type_index (info, pp, &t)) + return false; + type = debug_make_pointer_type (dhandle, t); + } + break; + + case 'R': + /* Range. */ + { + bfd_vma low, high, signedp, size; + + if (! ieee_read_number (info, pp, &low) + || ! ieee_read_number (info, pp, &high) + || ! ieee_read_number (info, pp, &signedp) + || ! ieee_read_number (info, pp, &size)) + return false; + + type = debug_make_range_type (dhandle, + debug_make_int_type (dhandle, size, + ! signedp), + (bfd_signed_vma) low, + (bfd_signed_vma) high); + } + break; + + case 'S': /* Struct. */ + case 'U': /* Union. */ + { + bfd_vma size; + unsigned int alloc; + debug_field *fields; + unsigned int c; + + if (! ieee_read_number (info, pp, &size)) + return false; + + alloc = 10; + fields = (debug_field *) xmalloc (alloc * sizeof *fields); + c = 0; + while (1) + { + const char *name; + unsigned long namlen; + boolean present; + bfd_vma tindx; + bfd_vma offset; + debug_type ftype; + bfd_vma bitsize; + + if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + if (! present) + break; + if (! ieee_read_number (info, pp, &tindx) + || ! ieee_read_number (info, pp, &offset)) + return false; + + if (tindx < 256) + { + ftype = ieee_builtin_type (info, ty_code_start, tindx); + bitsize = 0; + offset *= 8; + } + else + { + struct ieee_type *t; + + tindx -= 256; + if (! ieee_alloc_type (info, tindx, true)) + return false; + t = info->types.types + tindx; + ftype = t->type; + bitsize = t->bitsize; + if (bitsize == 0) + offset *= 8; + } + + if (c + 1 >= alloc) + { + alloc += 10; + fields = ((debug_field *) + xrealloc (fields, alloc * sizeof *fields)); + } + + fields[c] = debug_make_field (dhandle, savestring (name, namlen), + ftype, offset, bitsize, + DEBUG_VISIBILITY_PUBLIC); + if (fields[c] == NULL) + return false; + ++c; + } + + fields[c] = NULL; + + type = debug_make_struct_type (dhandle, tc == 'S', size, fields); + tag = true; + } + break; + + case 'T': + /* Typedef. */ + if (! ieee_read_type_index (info, pp, &type)) + return false; + typdef = true; + break; + + case 'X': + /* Procedure. FIXME: This is an extern declaration, which we + have no way of representing. */ + { + bfd_vma attr; + debug_type rtype; + bfd_vma nargs; + boolean present; + struct ieee_var *pv; + + /* FIXME: We ignore the attribute and the argument names. */ + + if (! ieee_read_number (info, pp, &attr) + || ! ieee_read_type_index (info, pp, &rtype) + || ! ieee_read_number (info, pp, &nargs)) + return false; + do + { + const char *name; + unsigned long namlen; + + if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + } + while (present); + + pv = info->vars.vars + varindx; + pv->kind = IEEE_EXTERNAL; + if (pv->namlen > 0 + && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) + { + /* Set up the return type as an indirect type pointing to + the variable slot, so that we can change it to a + reference later if appropriate. */ + pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); + *pv->pslot = rtype; + rtype = debug_make_indirect_type (dhandle, pv->pslot, + (const char *) NULL); + } + + type = debug_make_function_type (dhandle, rtype, (debug_type *) NULL, + false); + } + break; + + case 'V': + /* Void. This is not documented, but the MRI compiler emits it. */ + type = debug_make_void_type (dhandle); + break; + + case 'Z': + /* Array with 0 lower bound. */ + { + debug_type etype; + bfd_vma high; + + if (! ieee_read_type_index (info, pp, &etype) + || ! ieee_read_number (info, pp, &high)) + return false; + + type = debug_make_array_type (dhandle, etype, + ieee_builtin_type (info, ty_code_start, + ((unsigned int) + builtin_int)), + 0, (bfd_signed_vma) high, false); + } + break; + + case 'c': /* Complex. */ + case 'd': /* Double complex. */ + { + const char *name; + unsigned long namlen; + + /* FIXME: I don't know what the name means. */ + + if (! ieee_read_id (info, pp, &name, &namlen)) + return false; + + type = debug_make_complex_type (dhandle, tc == 'c' ? 4 : 8); + } + break; + + case 'f': + /* Pascal file name. FIXME. */ + ieee_error (info, ty_code_start, "Pascal file name not supported"); + return false; + + case 'g': + /* Bitfield type. */ + { + bfd_vma signedp, bitsize; + + if (! ieee_read_number (info, pp, &signedp) + || ! ieee_read_number (info, pp, &bitsize) + || ! ieee_read_type_index (info, pp, &type)) + return false; + + /* FIXME: This is just a guess. */ + if (! signedp) + type = debug_make_int_type (dhandle, 4, true); + type_bitsize = bitsize; + } + break; + + case 'n': + /* Qualifier. */ + { + bfd_vma kind; + debug_type t; + + if (! ieee_read_number (info, pp, &kind) + || ! ieee_read_type_index (info, pp, &t)) + return false; + + switch (kind) + { + default: + ieee_error (info, ty_start, "unsupported qualifer"); + return false; + + case 1: + type = debug_make_const_type (dhandle, t); + break; + + case 2: + type = debug_make_volatile_type (dhandle, t); + break; + } + } + break; + + case 's': + /* Set. */ + { + bfd_vma size; + debug_type etype; + + if (! ieee_read_number (info, pp, &size) + || ! ieee_read_type_index (info, pp, &etype)) + return false; + + /* FIXME: We ignore the size. */ + + type = debug_make_set_type (dhandle, etype, false); + } + break; + + case 'x': + /* Procedure with compiler dependencies. */ + { + struct ieee_var *pv; + bfd_vma attr, frame_type, push_mask, nargs, level, father; + debug_type rtype; + debug_type *arg_types; + boolean varargs; + boolean present; + + /* FIXME: We ignore some of this information. */ + + pv = info->vars.vars + varindx; + + if (! ieee_read_number (info, pp, &attr) + || ! ieee_read_number (info, pp, &frame_type) + || ! ieee_read_number (info, pp, &push_mask) + || ! ieee_read_type_index (info, pp, &rtype) + || ! ieee_read_number (info, pp, &nargs)) + return false; + if (nargs == (bfd_vma) -1) + { + arg_types = NULL; + varargs = false; + } + else + { + unsigned int i; + + arg_types = ((debug_type *) + xmalloc ((nargs + 1) * sizeof *arg_types)); + for (i = 0; i < nargs; i++) + if (! ieee_read_type_index (info, pp, arg_types + i)) + return false; + + /* If the last type is pointer to void, this is really a + varargs function. */ + varargs = false; + if (nargs > 0) + { + debug_type last; + + last = arg_types[nargs - 1]; + if (debug_get_type_kind (dhandle, last) == DEBUG_KIND_POINTER + && (debug_get_type_kind (dhandle, + debug_get_target_type (dhandle, + last)) + == DEBUG_KIND_VOID)) + { + --nargs; + varargs = true; + } + } + + /* If there are any pointer arguments, turn them into + indirect types in case we later need to convert them to + reference types. */ + for (i = 0; i < nargs; i++) + { + if (debug_get_type_kind (dhandle, arg_types[i]) + == DEBUG_KIND_POINTER) + { + if (arg_slots == NULL) + { + arg_slots = ((debug_type *) + xmalloc (nargs * sizeof *arg_slots)); + memset (arg_slots, 0, nargs * sizeof *arg_slots); + } + arg_slots[i] = arg_types[i]; + arg_types[i] = + debug_make_indirect_type (dhandle, + arg_slots + i, + (const char *) NULL); + } + } + + arg_types[nargs] = DEBUG_TYPE_NULL; + } + if (! ieee_read_number (info, pp, &level) + || ! ieee_read_optional_number (info, pp, &father, &present)) + return false; + + /* We can't distinguish between a global function and a static + function. */ + pv->kind = IEEE_FUNCTION; + + if (pv->namlen > 0 + && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) + { + /* Set up the return type as an indirect type pointing to + the variable slot, so that we can change it to a + reference later if appropriate. */ + pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); + *pv->pslot = rtype; + rtype = debug_make_indirect_type (dhandle, pv->pslot, + (const char *) NULL); + } + + type = debug_make_function_type (dhandle, rtype, arg_types, varargs); + } + break; + } + + /* Record the type in the table. */ + + if (type == DEBUG_TYPE_NULL) + return false; + + info->vars.vars[varindx].type = type; + + if ((tag || typdef) + && info->vars.vars[varindx].namlen > 0) + { + const char *name; + + name = savestring (info->vars.vars[varindx].name, + info->vars.vars[varindx].namlen); + if (typdef) + type = debug_name_type (dhandle, name, type); + else if (tc == 'E' || tc == 'N') + type = debug_tag_type (dhandle, name, type); + else + { + struct ieee_tag *it; + + /* We must allocate all struct tags as indirect types, so + that if we later see a definition of the tag as a C++ + record we can update the indirect slot and automatically + change all the existing references. */ + it = (struct ieee_tag *) xmalloc (sizeof *it); + memset (it, 0, sizeof *it); + it->next = info->tags; + info->tags = it; + it->name = name; + it->slot = type; + + type = debug_make_indirect_type (dhandle, &it->slot, name); + type = debug_tag_type (dhandle, name, type); + + it->type = type; + } + if (type == NULL) + return false; + } + + info->types.types[typeindx].type = type; + info->types.types[typeindx].arg_slots = arg_slots; + info->types.types[typeindx].bitsize = type_bitsize; + + /* We may have already allocated type as an indirect type pointing + to slot. It does no harm to replace the indirect type with the + real type. Filling in slot as well handles the indirect types + which are already hanging around. */ + if (info->types.types[typeindx].pslot != NULL) + *info->types.types[typeindx].pslot = type; + + return true; +} + +/* Parse an ATN record. */ + +static boolean +parse_ieee_atn (info, pp) + struct ieee_info *info; + const bfd_byte **pp; +{ + const bfd_byte *atn_start, *atn_code_start; + bfd_vma varindx; + struct ieee_var *pvar; + debug_type type; + bfd_vma atn_code; + PTR dhandle; + bfd_vma v, v2, v3, v4, v5; + const char *name; + unsigned long namlen; + char *namcopy; + boolean present; + int blocktype; + + atn_start = *pp; + + if (! ieee_read_number (info, pp, &varindx) + || ! ieee_read_type_index (info, pp, &type)) + return false; + + atn_code_start = *pp; + + if (! ieee_read_number (info, pp, &atn_code)) + return false; + + if (varindx == 0) + { + pvar = NULL; + name = ""; + namlen = 0; + } + else if (varindx < 32) + { + ieee_error (info, atn_start, "illegal variable index"); + return false; + } + else + { + varindx -= 32; + if (varindx >= info->vars.alloc + || info->vars.vars[varindx].name == NULL) + { + /* The MRI compiler or linker sometimes omits the NN record + for a pmisc record. */ + if (atn_code == 62) + { + if (varindx >= info->vars.alloc) + { + unsigned int alloc; + + alloc = info->vars.alloc; + if (alloc == 0) + alloc = 4; + while (varindx >= alloc) + alloc *= 2; + info->vars.vars = ((struct ieee_var *) + xrealloc (info->vars.vars, + (alloc + * sizeof *info->vars.vars))); + memset (info->vars.vars + info->vars.alloc, 0, + ((alloc - info->vars.alloc) + * sizeof *info->vars.vars)); + info->vars.alloc = alloc; + } + + pvar = info->vars.vars + varindx; + pvar->name = ""; + pvar->namlen = 0; + } + else + { + ieee_error (info, atn_start, "undefined variable in ATN"); + return false; + } + } + + pvar = info->vars.vars + varindx; + + pvar->type = type; + + name = pvar->name; + namlen = pvar->namlen; + } + + dhandle = info->dhandle; + + /* If we are going to call debug_record_variable with a pointer + type, change the type to an indirect type so that we can later + change it to a reference type if we encounter a C++ pmisc 'R' + record. */ + if (pvar != NULL + && type != DEBUG_TYPE_NULL + && debug_get_type_kind (dhandle, type) == DEBUG_KIND_POINTER) + { + switch (atn_code) + { + case 1: + case 2: + case 3: + case 5: + case 8: + case 10: + pvar->pslot = (debug_type *) xmalloc (sizeof *pvar->pslot); + *pvar->pslot = type; + type = debug_make_indirect_type (dhandle, pvar->pslot, + (const char *) NULL); + pvar->type = type; + break; + } + } + + switch (atn_code) + { + default: + ieee_error (info, atn_code_start, "unknown ATN type"); + return false; + + case 1: + /* Automatic variable. */ + if (! ieee_read_number (info, pp, &v)) + return false; + namcopy = savestring (name, namlen); + if (type == NULL) + type = debug_make_void_type (dhandle); + if (pvar != NULL) + pvar->kind = IEEE_LOCAL; + return debug_record_variable (dhandle, namcopy, type, DEBUG_LOCAL, v); + + case 2: + /* Register variable. */ + if (! ieee_read_number (info, pp, &v)) + return false; + namcopy = savestring (name, namlen); + if (type == NULL) + type = debug_make_void_type (dhandle); + if (pvar != NULL) + pvar->kind = IEEE_LOCAL; + return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, + ieee_regno_to_genreg (info->abfd, v)); + + case 3: + /* Static variable. */ + if (! ieee_require_asn (info, pp, &v)) + return false; + namcopy = savestring (name, namlen); + if (type == NULL) + type = debug_make_void_type (dhandle); + if (info->blockstack.bsp <= info->blockstack.stack) + blocktype = 0; + else + blocktype = info->blockstack.bsp[-1].kind; + if (pvar != NULL) + { + if (blocktype == 4 || blocktype == 6) + pvar->kind = IEEE_LOCAL; + else + pvar->kind = IEEE_STATIC; + } + return debug_record_variable (dhandle, namcopy, type, + (blocktype == 4 || blocktype == 6 + ? DEBUG_LOCAL_STATIC + : DEBUG_STATIC), + v); + + case 4: + /* External function. We don't currently record these. FIXME. */ + if (pvar != NULL) + pvar->kind = IEEE_EXTERNAL; + return true; + + case 5: + /* External variable. We don't currently record these. FIXME. */ + if (pvar != NULL) + pvar->kind = IEEE_EXTERNAL; + return true; + + case 7: + if (! ieee_read_number (info, pp, &v) + || ! ieee_read_number (info, pp, &v2) + || ! ieee_read_optional_number (info, pp, &v3, &present)) + return false; + if (present) + { + if (! ieee_read_optional_number (info, pp, &v4, &present)) + return false; + } + + /* We just ignore the two optional fields in v3 and v4, since + they are not defined. */ + + if (! ieee_require_asn (info, pp, &v3)) + return false; + + /* We have no way to record the column number. FIXME. */ + + return debug_record_line (dhandle, v, v3); + + case 8: + /* Global variable. */ + if (! ieee_require_asn (info, pp, &v)) + return false; + namcopy = savestring (name, namlen); + if (type == NULL) + type = debug_make_void_type (dhandle); + if (pvar != NULL) + pvar->kind = IEEE_GLOBAL; + return debug_record_variable (dhandle, namcopy, type, DEBUG_GLOBAL, v); + + case 9: + /* Variable lifetime information. */ + if (! ieee_read_number (info, pp, &v)) + return false; + + /* We have no way to record this information. FIXME. */ + return true; + + case 10: + /* Locked register. The spec says that there are two required + fields, but at least on occasion the MRI compiler only emits + one. */ + if (! ieee_read_number (info, pp, &v) + || ! ieee_read_optional_number (info, pp, &v2, &present)) + return false; + + /* I think this means a variable that is both in a register and + a frame slot. We ignore the frame slot. FIXME. */ + + namcopy = savestring (name, namlen); + if (type == NULL) + type = debug_make_void_type (dhandle); + if (pvar != NULL) + pvar->kind = IEEE_LOCAL; + return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, v); + + case 11: + /* Reserved for FORTRAN common. */ + ieee_error (info, atn_code_start, "unsupported ATN11"); + + /* Return true to keep going. */ + return true; + + case 12: + /* Based variable. */ + v3 = 0; + v4 = 0x80; + v5 = 0; + if (! ieee_read_number (info, pp, &v) + || ! ieee_read_number (info, pp, &v2) + || ! ieee_read_optional_number (info, pp, &v3, &present)) + return false; + if (present) + { + if (! ieee_read_optional_number (info, pp, &v4, &present)) + return false; + if (present) + { + if (! ieee_read_optional_number (info, pp, &v5, &present)) + return false; + } + } + + /* We have no way to record this information. FIXME. */ + + ieee_error (info, atn_code_start, "unsupported ATN12"); + + /* Return true to keep going. */ + return true; + + case 16: + /* Constant. The description of this that I have is ambiguous, + so I'm not going to try to implement it. */ + if (! ieee_read_number (info, pp, &v) + || ! ieee_read_optional_number (info, pp, &v2, &present)) + return false; + if (present) + { + if (! ieee_read_optional_number (info, pp, &v2, &present)) + return false; + if (present) + { + if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + } + } + + if ((ieee_record_enum_type) **pp == ieee_e2_first_byte_enum) + { + if (! ieee_require_asn (info, pp, &v3)) + return false; + } + + return true; + + case 19: + /* Static variable from assembler. */ + v2 = 0; + if (! ieee_read_number (info, pp, &v) + || ! ieee_read_optional_number (info, pp, &v2, &present) + || ! ieee_require_asn (info, pp, &v3)) + return false; + namcopy = savestring (name, namlen); + /* We don't really handle this correctly. FIXME. */ + return debug_record_variable (dhandle, namcopy, + debug_make_void_type (dhandle), + v2 != 0 ? DEBUG_GLOBAL : DEBUG_STATIC, + v3); + + case 62: + /* Procedure miscellaneous information. */ + case 63: + /* Variable miscellaneous information. */ + case 64: + /* Module miscellaneous information. */ + if (! ieee_read_number (info, pp, &v) + || ! ieee_read_number (info, pp, &v2) + || ! ieee_read_optional_id (info, pp, &name, &namlen, &present)) + return false; + + if (atn_code == 62 && v == 80) + { + if (present) + { + ieee_error (info, atn_code_start, + "unexpected string in C++ misc"); + return false; + } + return ieee_read_cxx_misc (info, pp, v2); + } + + /* We just ignore all of this stuff. FIXME. */ + + for (; v2 > 0; --v2) + { + switch ((ieee_record_enum_type) **pp) + { + default: + ieee_error (info, *pp, "bad misc record"); + return false; + + case ieee_at_record_enum: + if (! ieee_require_atn65 (info, pp, &name, &namlen)) + return false; + break; + + case ieee_e2_first_byte_enum: + if (! ieee_require_asn (info, pp, &v3)) + return false; + break; + } + } + + return true; + } + + /*NOTREACHED*/ +} + +/* Handle C++ debugging miscellaneous records. This is called for + procedure miscellaneous records of type 80. */ + +static boolean +ieee_read_cxx_misc (info, pp, count) + struct ieee_info *info; + const bfd_byte **pp; + unsigned long count; +{ + const bfd_byte *start; + bfd_vma category; + + start = *pp; + + /* Get the category of C++ misc record. */ + if (! ieee_require_asn (info, pp, &category)) + return false; + --count; + + switch (category) + { + default: + ieee_error (info, start, "unrecognized C++ misc record"); + return false; + + case 'T': + if (! ieee_read_cxx_class (info, pp, count)) + return false; + break; + + case 'M': + { + bfd_vma flags; + const char *name; + unsigned long namlen; + + /* The IEEE spec indicates that the 'M' record only has a + flags field. The MRI compiler also emits the name of the + function. */ + + if (! ieee_require_asn (info, pp, &flags)) + return false; + if (*pp < info->pend + && (ieee_record_enum_type) **pp == ieee_at_record_enum) + { + if (! ieee_require_atn65 (info, pp, &name, &namlen)) + return false; + } + + /* This is emitted for method functions, but I don't think we + care very much. It might help if it told us useful + information like the class with which this function is + associated, but it doesn't, so it isn't helpful. */ + } + break; + + case 'B': + if (! ieee_read_cxx_defaults (info, pp, count)) + return false; + break; + + case 'z': + { + const char *name, *mangled, *class; + unsigned long namlen, mangledlen, classlen; + bfd_vma control; + + /* Pointer to member. */ + + if (! ieee_require_atn65 (info, pp, &name, &namlen) + || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen) + || ! ieee_require_atn65 (info, pp, &class, &classlen) + || ! ieee_require_asn (info, pp, &control)) + return false; + + /* FIXME: We should now track down name and change its type. */ + } + break; + + case 'R': + if (! ieee_read_reference (info, pp)) + return false; + break; + } + + return true; +} + +/* Read a C++ class definition. This is a pmisc type 80 record of + category 'T'. */ + +static boolean +ieee_read_cxx_class (info, pp, count) + struct ieee_info *info; + const bfd_byte **pp; + unsigned long count; +{ + const bfd_byte *start; + bfd_vma class; + const char *tag; + unsigned long taglen; + struct ieee_tag *it; + PTR dhandle; + debug_field *fields; + unsigned int field_count, field_alloc; + debug_baseclass *baseclasses; + unsigned int baseclasses_count, baseclasses_alloc; + const debug_field *structfields; + struct ieee_method + { + const char *name; + unsigned long namlen; + debug_method_variant *variants; + unsigned count; + unsigned int alloc; + } *methods; + unsigned int methods_count, methods_alloc; + debug_type vptrbase; + boolean ownvptr; + debug_method *dmethods; + + start = *pp; + + if (! ieee_require_asn (info, pp, &class)) + return false; + --count; + + if (! ieee_require_atn65 (info, pp, &tag, &taglen)) + return false; + --count; + + /* Find the C struct with this name. */ + for (it = info->tags; it != NULL; it = it->next) + if (it->name[0] == tag[0] + && strncmp (it->name, tag, taglen) == 0 + && strlen (it->name) == taglen) + break; + if (it == NULL) + { + ieee_error (info, start, "undefined C++ object"); + return false; + } + + dhandle = info->dhandle; + + fields = NULL; + field_count = 0; + field_alloc = 0; + baseclasses = NULL; + baseclasses_count = 0; + baseclasses_alloc = 0; + methods = NULL; + methods_count = 0; + methods_alloc = 0; + vptrbase = DEBUG_TYPE_NULL; + ownvptr = false; + + structfields = debug_get_fields (dhandle, it->type); + + while (count > 0) + { + bfd_vma id; + const bfd_byte *spec_start; + + spec_start = *pp; + + if (! ieee_require_asn (info, pp, &id)) + return false; + --count; + + switch (id) + { + default: + ieee_error (info, spec_start, "unrecognized C++ object spec"); + return false; + + case 'b': + { + bfd_vma flags, cinline; + const char *basename, *fieldname; + unsigned long baselen, fieldlen; + char *basecopy; + debug_type basetype; + bfd_vma bitpos; + boolean virtualp; + enum debug_visibility visibility; + debug_baseclass baseclass; + + /* This represents a base or friend class. */ + + if (! ieee_require_asn (info, pp, &flags) + || ! ieee_require_atn65 (info, pp, &basename, &baselen) + || ! ieee_require_asn (info, pp, &cinline) + || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen)) + return false; + count -= 4; + + /* We have no way of recording friend information, so we + just ignore it. */ + if ((flags & BASEFLAGS_FRIEND) != 0) + break; + + /* I assume that either all of the members of the + baseclass are included in the object, starting at the + beginning of the object, or that none of them are + included. */ + + if ((fieldlen == 0) == (cinline == 0)) + { + ieee_error (info, start, "unsupported C++ object type"); + return false; + } + + basecopy = savestring (basename, baselen); + basetype = debug_find_tagged_type (dhandle, basecopy, + DEBUG_KIND_ILLEGAL); + free (basecopy); + if (basetype == DEBUG_TYPE_NULL) + { + ieee_error (info, start, "C++ base class not defined"); + return false; + } + + if (fieldlen == 0) + bitpos = 0; + else + { + const debug_field *pf; + + if (structfields == NULL) + { + ieee_error (info, start, "C++ object has no fields"); + return false; + } + + for (pf = structfields; *pf != DEBUG_FIELD_NULL; pf++) + { + const char *fname; + + fname = debug_get_field_name (dhandle, *pf); + if (fname == NULL) + return false; + if (fname[0] == fieldname[0] + && strncmp (fname, fieldname, fieldlen) == 0 + && strlen (fname) == fieldlen) + break; + } + if (*pf == DEBUG_FIELD_NULL) + { + ieee_error (info, start, + "C++ base class not found in container"); + return false; + } + + bitpos = debug_get_field_bitpos (dhandle, *pf); + } + + if ((flags & BASEFLAGS_VIRTUAL) != 0) + virtualp = true; + else + virtualp = false; + if ((flags & BASEFLAGS_PRIVATE) != 0) + visibility = DEBUG_VISIBILITY_PRIVATE; + else + visibility = DEBUG_VISIBILITY_PUBLIC; + + baseclass = debug_make_baseclass (dhandle, basetype, bitpos, + virtualp, visibility); + if (baseclass == DEBUG_BASECLASS_NULL) + return false; + + if (baseclasses_count + 1 >= baseclasses_alloc) + { + baseclasses_alloc += 10; + baseclasses = ((debug_baseclass *) + xrealloc (baseclasses, + (baseclasses_alloc + * sizeof *baseclasses))); + } + + baseclasses[baseclasses_count] = baseclass; + ++baseclasses_count; + baseclasses[baseclasses_count] = DEBUG_BASECLASS_NULL; + } + break; + + case 'd': + { + bfd_vma flags; + const char *fieldname, *mangledname; + unsigned long fieldlen, mangledlen; + char *fieldcopy; + boolean staticp; + debug_type ftype; + const debug_field *pf; + enum debug_visibility visibility; + debug_field field; + + /* This represents a data member. */ + + if (! ieee_require_asn (info, pp, &flags) + || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen) + || ! ieee_require_atn65 (info, pp, &mangledname, &mangledlen)) + return false; + count -= 3; + + fieldcopy = savestring (fieldname, fieldlen); + + staticp = (flags & CXXFLAGS_STATIC) != 0 ? true : false; + + if (staticp) + { + struct ieee_var *pv, *pvend; + + /* See if we can find a definition for this variable. */ + pv = info->vars.vars; + pvend = pv + info->vars.alloc; + for (; pv < pvend; pv++) + if (pv->namlen == mangledlen + && strncmp (pv->name, mangledname, mangledlen) == 0) + break; + if (pv < pvend) + ftype = pv->type; + else + { + /* This can happen if the variable is never used. */ + ftype = ieee_builtin_type (info, start, + (unsigned int) builtin_void); + } + } + else + { + unsigned int findx; + + if (structfields == NULL) + { + ieee_error (info, start, "C++ object has no fields"); + return false; + } + + for (pf = structfields, findx = 0; + *pf != DEBUG_FIELD_NULL; + pf++, findx++) + { + const char *fname; + + fname = debug_get_field_name (dhandle, *pf); + if (fname == NULL) + return false; + if (fname[0] == mangledname[0] + && strncmp (fname, mangledname, mangledlen) == 0 + && strlen (fname) == mangledlen) + break; + } + if (*pf == DEBUG_FIELD_NULL) + { + ieee_error (info, start, + "C++ data member not found in container"); + return false; + } + + ftype = debug_get_field_type (dhandle, *pf); + + if (debug_get_type_kind (dhandle, ftype) == DEBUG_KIND_POINTER) + { + /* We might need to convert this field into a + reference type later on, so make it an indirect + type. */ + if (it->fslots == NULL) + { + unsigned int fcnt; + const debug_field *pfcnt; + + fcnt = 0; + for (pfcnt = structfields; + *pfcnt != DEBUG_FIELD_NULL; + pfcnt++) + ++fcnt; + it->fslots = ((debug_type *) + xmalloc (fcnt * sizeof *it->fslots)); + memset (it->fslots, 0, + fcnt * sizeof *it->fslots); + } + + if (ftype == DEBUG_TYPE_NULL) + return false; + it->fslots[findx] = ftype; + ftype = debug_make_indirect_type (dhandle, + it->fslots + findx, + (const char *) NULL); + } + } + if (ftype == DEBUG_TYPE_NULL) + return false; + + switch (flags & CXXFLAGS_VISIBILITY) + { + default: + ieee_error (info, start, "unknown C++ visibility"); + return false; + + case CXXFLAGS_VISIBILITY_PUBLIC: + visibility = DEBUG_VISIBILITY_PUBLIC; + break; + + case CXXFLAGS_VISIBILITY_PRIVATE: + visibility = DEBUG_VISIBILITY_PRIVATE; + break; + + case CXXFLAGS_VISIBILITY_PROTECTED: + visibility = DEBUG_VISIBILITY_PROTECTED; + break; + } + + if (staticp) + { + char *mangledcopy; + + mangledcopy = savestring (mangledname, mangledlen); + + field = debug_make_static_member (dhandle, fieldcopy, + ftype, mangledcopy, + visibility); + } + else + { + bfd_vma bitpos, bitsize; + + bitpos = debug_get_field_bitpos (dhandle, *pf); + bitsize = debug_get_field_bitsize (dhandle, *pf); + if (bitpos == (bfd_vma) -1 || bitsize == (bfd_vma) -1) + { + ieee_error (info, start, "bad C++ field bit pos or size"); + return false; + } + field = debug_make_field (dhandle, fieldcopy, ftype, bitpos, + bitsize, visibility); + } + + if (field == DEBUG_FIELD_NULL) + return false; + + if (field_count + 1 >= field_alloc) + { + field_alloc += 10; + fields = ((debug_field *) + xrealloc (fields, field_alloc * sizeof *fields)); + } + + fields[field_count] = field; + ++field_count; + fields[field_count] = DEBUG_FIELD_NULL; + } + break; + + case 'm': + case 'v': + { + bfd_vma flags, voffset, control; + const char *name, *mangled; + unsigned long namlen, mangledlen; + struct ieee_var *pv, *pvend; + debug_type type; + enum debug_visibility visibility; + boolean constp, volatilep; + char *mangledcopy; + debug_method_variant mv; + struct ieee_method *meth; + unsigned int im; + + if (! ieee_require_asn (info, pp, &flags) + || ! ieee_require_atn65 (info, pp, &name, &namlen) + || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) + return false; + count -= 3; + if (id != 'v') + voffset = 0; + else + { + if (! ieee_require_asn (info, pp, &voffset)) + return false; + --count; + } + if (! ieee_require_asn (info, pp, &control)) + return false; + --count; + + /* We just ignore the control information. */ + + /* We have no way to represent friend information, so we + just ignore it. */ + if ((flags & CXXFLAGS_FRIEND) != 0) + break; + + /* We should already have seen a type for the function. */ + pv = info->vars.vars; + pvend = pv + info->vars.alloc; + for (; pv < pvend; pv++) + if (pv->namlen == mangledlen + && strncmp (pv->name, mangled, mangledlen) == 0) + break; + + if (pv >= pvend) + { + /* We won't have type information for this function if + it is not included in this file. We don't try to + handle this case. FIXME. */ + type = (debug_make_function_type + (dhandle, + ieee_builtin_type (info, start, + (unsigned int) builtin_void), + (debug_type *) NULL, + false)); + } + else + { + debug_type return_type; + const debug_type *arg_types; + boolean varargs; + + if (debug_get_type_kind (dhandle, pv->type) + != DEBUG_KIND_FUNCTION) + { + ieee_error (info, start, + "bad type for C++ method function"); + return false; + } + + return_type = debug_get_return_type (dhandle, pv->type); + arg_types = debug_get_parameter_types (dhandle, pv->type, + &varargs); + if (return_type == DEBUG_TYPE_NULL || arg_types == NULL) + { + ieee_error (info, start, + "no type information for C++ method function"); + return false; + } + + type = debug_make_method_type (dhandle, return_type, it->type, + (debug_type *) arg_types, + varargs); + } + if (type == DEBUG_TYPE_NULL) + return false; + + switch (flags & CXXFLAGS_VISIBILITY) + { + default: + ieee_error (info, start, "unknown C++ visibility"); + return false; + + case CXXFLAGS_VISIBILITY_PUBLIC: + visibility = DEBUG_VISIBILITY_PUBLIC; + break; + + case CXXFLAGS_VISIBILITY_PRIVATE: + visibility = DEBUG_VISIBILITY_PRIVATE; + break; + + case CXXFLAGS_VISIBILITY_PROTECTED: + visibility = DEBUG_VISIBILITY_PROTECTED; + break; + } + + constp = (flags & CXXFLAGS_CONST) != 0 ? true : false; + volatilep = (flags & CXXFLAGS_VOLATILE) != 0 ? true : false; + + mangledcopy = savestring (mangled, mangledlen); + + if ((flags & CXXFLAGS_STATIC) != 0) + { + if (id == 'v') + { + ieee_error (info, start, "C++ static virtual method"); + return false; + } + mv = debug_make_static_method_variant (dhandle, mangledcopy, + type, visibility, + constp, volatilep); + } + else + { + debug_type vcontext; + + if (id != 'v') + vcontext = DEBUG_TYPE_NULL; + else + { + /* FIXME: How can we calculate this correctly? */ + vcontext = it->type; + } + mv = debug_make_method_variant (dhandle, mangledcopy, type, + visibility, constp, + volatilep, voffset, + vcontext); + } + if (mv == DEBUG_METHOD_VARIANT_NULL) + return false; + + for (meth = methods, im = 0; im < methods_count; meth++, im++) + if (meth->namlen == namlen + && strncmp (meth->name, name, namlen) == 0) + break; + if (im >= methods_count) + { + if (methods_count >= methods_alloc) + { + methods_alloc += 10; + methods = ((struct ieee_method *) + xrealloc (methods, + methods_alloc * sizeof *methods)); + } + methods[methods_count].name = name; + methods[methods_count].namlen = namlen; + methods[methods_count].variants = NULL; + methods[methods_count].count = 0; + methods[methods_count].alloc = 0; + meth = methods + methods_count; + ++methods_count; + } + + if (meth->count + 1 >= meth->alloc) + { + meth->alloc += 10; + meth->variants = ((debug_method_variant *) + xrealloc (meth->variants, + (meth->alloc + * sizeof *meth->variants))); + } + + meth->variants[meth->count] = mv; + ++meth->count; + meth->variants[meth->count] = DEBUG_METHOD_VARIANT_NULL; + } + break; + + case 'o': + { + bfd_vma spec; + + /* We have no way to store this information, so we just + ignore it. */ + if (! ieee_require_asn (info, pp, &spec)) + return false; + --count; + if ((spec & 4) != 0) + { + const char *filename; + unsigned long filenamlen; + bfd_vma lineno; + + if (! ieee_require_atn65 (info, pp, &filename, &filenamlen) + || ! ieee_require_asn (info, pp, &lineno)) + return false; + count -= 2; + } + else if ((spec & 8) != 0) + { + const char *mangled; + unsigned long mangledlen; + + if (! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) + return false; + --count; + } + else + { + ieee_error (info, start, + "unrecognized C++ object overhead spec"); + return false; + } + } + break; + + case 'z': + { + const char *vname, *basename; + unsigned long vnamelen, baselen; + bfd_vma vsize, control; + + /* A virtual table pointer. */ + + if (! ieee_require_atn65 (info, pp, &vname, &vnamelen) + || ! ieee_require_asn (info, pp, &vsize) + || ! ieee_require_atn65 (info, pp, &basename, &baselen) + || ! ieee_require_asn (info, pp, &control)) + return false; + count -= 4; + + /* We just ignore the control number. We don't care what + the virtual table name is. We have no way to store the + virtual table size, and I don't think we care anyhow. */ + + /* FIXME: We can't handle multiple virtual table pointers. */ + + if (baselen == 0) + ownvptr = true; + else + { + char *basecopy; + + basecopy = savestring (basename, baselen); + vptrbase = debug_find_tagged_type (dhandle, basecopy, + DEBUG_KIND_ILLEGAL); + free (basecopy); + if (vptrbase == DEBUG_TYPE_NULL) + { + ieee_error (info, start, "undefined C++ vtable"); + return false; + } + } + } + break; + } + } + + /* Now that we have seen all the method variants, we can call + debug_make_method for each one. */ + + if (methods_count == 0) + dmethods = NULL; + else + { + unsigned int i; + + dmethods = ((debug_method *) + xmalloc ((methods_count + 1) * sizeof *dmethods)); + for (i = 0; i < methods_count; i++) + { + char *namcopy; + + namcopy = savestring (methods[i].name, methods[i].namlen); + dmethods[i] = debug_make_method (dhandle, namcopy, + methods[i].variants); + if (dmethods[i] == DEBUG_METHOD_NULL) + return false; + } + dmethods[i] = DEBUG_METHOD_NULL; + free (methods); + } + + /* The struct type was created as an indirect type pointing at + it->slot. We update it->slot to automatically update all + references to this struct. */ + it->slot = debug_make_object_type (dhandle, + class != 'u', + debug_get_type_size (dhandle, + it->slot), + fields, baseclasses, dmethods, + vptrbase, ownvptr); + if (it->slot == DEBUG_TYPE_NULL) + return false; + + return true; +} + +/* Read C++ default argument value and reference type information. */ + +static boolean +ieee_read_cxx_defaults (info, pp, count) + struct ieee_info *info; + const bfd_byte **pp; + unsigned long count; +{ + const bfd_byte *start; + const char *fnname; + unsigned long fnlen; + bfd_vma defcount; + + start = *pp; + + /* Giving the function name before the argument count is an addendum + to the spec. The function name is demangled, though, so this + record must always refer to the current function. */ + + if (info->blockstack.bsp <= info->blockstack.stack + || info->blockstack.bsp[-1].fnindx == (unsigned int) -1) + { + ieee_error (info, start, "C++ default values not in a function"); + return false; + } + + if (! ieee_require_atn65 (info, pp, &fnname, &fnlen) + || ! ieee_require_asn (info, pp, &defcount)) + return false; + count -= 2; + + while (defcount-- > 0) + { + bfd_vma type, val; + const char *strval; + unsigned long strvallen; + + if (! ieee_require_asn (info, pp, &type)) + return false; + --count; + + switch (type) + { + case 0: + case 4: + break; + + case 1: + case 2: + if (! ieee_require_asn (info, pp, &val)) + return false; + --count; + break; + + case 3: + case 7: + if (! ieee_require_atn65 (info, pp, &strval, &strvallen)) + return false; + --count; + break; + + default: + ieee_error (info, start, "unrecognized C++ default type"); + return false; + } + + /* We have no way to record the default argument values, so we + just ignore them. FIXME. */ + } + + /* Any remaining arguments are indices of parameters that are really + reference type. */ + if (count > 0) + { + PTR dhandle; + debug_type *arg_slots; + + dhandle = info->dhandle; + arg_slots = info->types.types[info->blockstack.bsp[-1].fnindx].arg_slots; + while (count-- > 0) + { + bfd_vma indx; + debug_type target; + + if (! ieee_require_asn (info, pp, &indx)) + return false; + /* The index is 1 based. */ + --indx; + if (arg_slots == NULL + || arg_slots[indx] == DEBUG_TYPE_NULL + || (debug_get_type_kind (dhandle, arg_slots[indx]) + != DEBUG_KIND_POINTER)) + { + ieee_error (info, start, "reference parameter is not a pointer"); + return false; + } + + target = debug_get_target_type (dhandle, arg_slots[indx]); + arg_slots[indx] = debug_make_reference_type (dhandle, target); + if (arg_slots[indx] == DEBUG_TYPE_NULL) + return false; + } + } + + return true; +} + +/* Read a C++ reference definition. */ + +static boolean +ieee_read_reference (info, pp) + struct ieee_info *info; + const bfd_byte **pp; +{ + const bfd_byte *start; + bfd_vma flags; + const char *class, *name; + unsigned long classlen, namlen; + debug_type *pslot; + debug_type target; + + start = *pp; + + if (! ieee_require_asn (info, pp, &flags)) + return false; + + /* Giving the class name before the member name is in an addendum to + the spec. */ + if (flags == 3) + { + if (! ieee_require_atn65 (info, pp, &class, &classlen)) + return false; + } + + if (! ieee_require_atn65 (info, pp, &name, &namlen)) + return false; + + pslot = NULL; + if (flags != 3) + { + int pass; + + /* We search from the last variable indices to the first in + hopes of finding local variables correctly. We search the + local variables on the first pass, and the global variables + on the second. FIXME: This probably won't work in all cases. + On the other hand, I don't know what will. */ + for (pass = 0; pass < 2; pass++) + { + struct ieee_vars *vars; + int i; + struct ieee_var *pv = NULL; + + if (pass == 0) + vars = &info->vars; + else + { + vars = info->global_vars; + if (vars == NULL) + break; + } + + for (i = (int) vars->alloc - 1; i >= 0; i--) + { + boolean found; + + pv = vars->vars + i; + + if (pv->pslot == NULL + || pv->namlen != namlen + || strncmp (pv->name, name, namlen) != 0) + continue; + + found = false; + switch (flags) + { + default: + ieee_error (info, start, + "unrecognized C++ reference type"); + return false; + + case 0: + /* Global variable or function. */ + if (pv->kind == IEEE_GLOBAL + || pv->kind == IEEE_EXTERNAL + || pv->kind == IEEE_FUNCTION) + found = true; + break; + + case 1: + /* Global static variable or function. */ + if (pv->kind == IEEE_STATIC + || pv->kind == IEEE_FUNCTION) + found = true; + break; + + case 2: + /* Local variable. */ + if (pv->kind == IEEE_LOCAL) + found = true; + break; + } + + if (found) + break; + } + + if (i >= 0) + { + pslot = pv->pslot; + break; + } + } + } + else + { + struct ieee_tag *it; + + for (it = info->tags; it != NULL; it = it->next) + { + if (it->name[0] == class[0] + && strncmp (it->name, class, classlen) == 0 + && strlen (it->name) == classlen) + { + if (it->fslots != NULL) + { + const debug_field *pf; + unsigned int findx; + + pf = debug_get_fields (info->dhandle, it->type); + if (pf == NULL) + { + ieee_error (info, start, + "C++ reference in class with no fields"); + return false; + } + + for (findx = 0; *pf != DEBUG_FIELD_NULL; pf++, findx++) + { + const char *fname; + + fname = debug_get_field_name (info->dhandle, *pf); + if (fname == NULL) + return false; + if (strncmp (fname, name, namlen) == 0 + && strlen (fname) == namlen) + { + pslot = it->fslots + findx; + break; + } + } + } + + break; + } + } + } + + if (pslot == NULL) + { + ieee_error (info, start, "C++ reference not found"); + return false; + } + + /* We allocated the type of the object as an indirect type pointing + to *pslot, which we can now update to be a reference type. */ + if (debug_get_type_kind (info->dhandle, *pslot) != DEBUG_KIND_POINTER) + { + ieee_error (info, start, "C++ reference is not pointer"); + return false; + } + + target = debug_get_target_type (info->dhandle, *pslot); + *pslot = debug_make_reference_type (info->dhandle, target); + if (*pslot == DEBUG_TYPE_NULL) + return false; + + return true; +} + +/* Require an ASN record. */ + +static boolean +ieee_require_asn (info, pp, pv) + struct ieee_info *info; + const bfd_byte **pp; + bfd_vma *pv; +{ + const bfd_byte *start; + ieee_record_enum_type c; + bfd_vma varindx; + + start = *pp; + + c = (ieee_record_enum_type) **pp; + if (c != ieee_e2_first_byte_enum) + { + ieee_error (info, start, "missing required ASN"); + return false; + } + ++*pp; + + c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); + if (c != ieee_asn_record_enum) + { + ieee_error (info, start, "missing required ASN"); + return false; + } + ++*pp; + + /* Just ignore the variable index. */ + if (! ieee_read_number (info, pp, &varindx)) + return false; + + return ieee_read_expression (info, pp, pv); +} + +/* Require an ATN65 record. */ + +static boolean +ieee_require_atn65 (info, pp, pname, pnamlen) + struct ieee_info *info; + const bfd_byte **pp; + const char **pname; + unsigned long *pnamlen; +{ + const bfd_byte *start; + ieee_record_enum_type c; + bfd_vma name_indx, type_indx, atn_code; + + start = *pp; + + c = (ieee_record_enum_type) **pp; + if (c != ieee_at_record_enum) + { + ieee_error (info, start, "missing required ATN65"); + return false; + } + ++*pp; + + c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); + if (c != ieee_atn_record_enum) + { + ieee_error (info, start, "missing required ATN65"); + return false; + } + ++*pp; + + if (! ieee_read_number (info, pp, &name_indx) + || ! ieee_read_number (info, pp, &type_indx) + || ! ieee_read_number (info, pp, &atn_code)) + return false; + + /* Just ignore name_indx. */ + + if (type_indx != 0 || atn_code != 65) + { + ieee_error (info, start, "bad ATN65 record"); + return false; + } + + return ieee_read_id (info, pp, pname, pnamlen); +} + +/* Convert a register number in IEEE debugging information into a + generic register number. */ + +static int +ieee_regno_to_genreg (abfd, r) + bfd *abfd; + int r; +{ + switch (bfd_get_arch (abfd)) + { + case bfd_arch_m68k: + /* For some reasons stabs adds 2 to the floating point register + numbers. */ + if (r >= 16) + r += 2; + break; + + case bfd_arch_i960: + /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and + 32 to 35 for fp0 to fp3. */ + --r; + break; + + default: + break; + } + + return r; +} + +/* Convert a generic register number to an IEEE specific one. */ + +static int +ieee_genreg_to_regno (abfd, r) + bfd *abfd; + int r; +{ + switch (bfd_get_arch (abfd)) + { + case bfd_arch_m68k: + /* For some reason stabs add 2 to the floating point register + numbers. */ + if (r >= 18) + r -= 2; + break; + + case bfd_arch_i960: + /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and + 32 to 35 for fp0 to fp3. */ + ++r; + break; + + default: + break; + } + + return r; +} + +/* These routines build IEEE debugging information out of the generic + debugging information. */ + +/* We build the IEEE debugging information byte by byte. Rather than + waste time copying data around, we use a linked list of buffers to + hold the data. */ + +#define IEEE_BUFSIZE (490) + +struct ieee_buf +{ + /* Next buffer. */ + struct ieee_buf *next; + /* Number of data bytes in this buffer. */ + unsigned int c; + /* Bytes. */ + bfd_byte buf[IEEE_BUFSIZE]; +}; + +/* A list of buffers. */ + +struct ieee_buflist +{ + /* Head of list. */ + struct ieee_buf *head; + /* Tail--last buffer on list. */ + struct ieee_buf *tail; +}; + +/* In order to generate the BB11 blocks required by the HP emulator, + we keep track of ranges of addresses which correspond to a given + compilation unit. */ + +struct ieee_range +{ + /* Next range. */ + struct ieee_range *next; + /* Low address. */ + bfd_vma low; + /* High address. */ + bfd_vma high; +}; + +/* This structure holds information for a class on the type stack. */ + +struct ieee_type_class +{ + /* The name index in the debugging information. */ + unsigned int indx; + /* The pmisc records for the class. */ + struct ieee_buflist pmiscbuf; + /* The number of pmisc records. */ + unsigned int pmisccount; + /* The name of the class holding the virtual table, if not this + class. */ + const char *vclass; + /* Whether this class holds its own virtual table. */ + boolean ownvptr; + /* The largest virtual table offset seen so far. */ + bfd_vma voffset; + /* The current method. */ + const char *method; + /* Additional pmisc records used to record fields of reference type. */ + struct ieee_buflist refs; +}; + +/* This is how we store types for the writing routines. Most types + are simply represented by a type index. */ + +struct ieee_write_type +{ + /* Type index. */ + unsigned int indx; + /* The size of the type, if known. */ + unsigned int size; + /* The name of the type, if any. */ + const char *name; + /* If this is a function or method type, we build the type here, and + only add it to the output buffers if we need it. */ + struct ieee_buflist fndef; + /* If this is a struct, this is where the struct definition is + built. */ + struct ieee_buflist strdef; + /* If this is a class, this is where the class information is built. */ + struct ieee_type_class *classdef; + /* Whether the type is unsigned. */ + unsigned int unsignedp : 1; + /* Whether this is a reference type. */ + unsigned int referencep : 1; + /* Whether this is in the local type block. */ + unsigned int localp : 1; + /* Whether this is a duplicate struct definition which we are + ignoring. */ + unsigned int ignorep : 1; +}; + +/* This is the type stack used by the debug writing routines. FIXME: + We could generate more efficient output if we remembered when we + have output a particular type before. */ + +struct ieee_type_stack +{ + /* Next entry on stack. */ + struct ieee_type_stack *next; + /* Type information. */ + struct ieee_write_type type; +}; + +/* This is a list of associations between a name and some types. + These are used for typedefs and tags. */ + +struct ieee_name_type +{ + /* Next type for this name. */ + struct ieee_name_type *next; + /* ID number. For a typedef, this is the index of the type to which + this name is typedefed. */ + unsigned int id; + /* Type. */ + struct ieee_write_type type; + /* If this is a tag which has not yet been defined, this is the + kind. If the tag has been defined, this is DEBUG_KIND_ILLEGAL. */ + enum debug_type_kind kind; +}; + +/* We use a hash table to associate names and types. */ + +struct ieee_name_type_hash_table +{ + struct bfd_hash_table root; +}; + +struct ieee_name_type_hash_entry +{ + struct bfd_hash_entry root; + /* Information for this name. */ + struct ieee_name_type *types; +}; + +/* This is a list of enums. */ + +struct ieee_defined_enum +{ + /* Next enum. */ + struct ieee_defined_enum *next; + /* Type index. */ + unsigned int indx; + /* Tag. */ + const char *tag; + /* Names. */ + const char **names; + /* Values. */ + bfd_signed_vma *vals; +}; + +/* We keep a list of modified versions of types, so that we don't + output them more than once. */ + +struct ieee_modified_type +{ + /* Pointer to this type. */ + unsigned int pointer; + /* Function with unknown arguments returning this type. */ + unsigned int function; + /* Const version of this type. */ + unsigned int const_qualified; + /* Volatile version of this type. */ + unsigned int volatile_qualified; + /* List of arrays of this type of various bounds. */ + struct ieee_modified_array_type *arrays; +}; + +/* A list of arrays bounds. */ + +struct ieee_modified_array_type +{ + /* Next array bounds. */ + struct ieee_modified_array_type *next; + /* Type index with these bounds. */ + unsigned int indx; + /* Low bound. */ + bfd_signed_vma low; + /* High bound. */ + bfd_signed_vma high; +}; + +/* This is a list of pending function parameter information. We don't + output them until we see the first block. */ + +struct ieee_pending_parm +{ + /* Next pending parameter. */ + struct ieee_pending_parm *next; + /* Name. */ + const char *name; + /* Type index. */ + unsigned int type; + /* Whether the type is a reference. */ + boolean referencep; + /* Kind. */ + enum debug_parm_kind kind; + /* Value. */ + bfd_vma val; +}; + +/* This is the handle passed down by debug_write. */ + +struct ieee_handle +{ + /* BFD we are writing to. */ + bfd *abfd; + /* Whether we got an error in a subroutine called via traverse or + map_over_sections. */ + boolean error; + /* Current data buffer list. */ + struct ieee_buflist *current; + /* Current data buffer. */ + struct ieee_buf *curbuf; + /* Filename of current compilation unit. */ + const char *filename; + /* Module name of current compilation unit. */ + const char *modname; + /* List of buffer for global types. */ + struct ieee_buflist global_types; + /* List of finished data buffers. */ + struct ieee_buflist data; + /* List of buffers for typedefs in the current compilation unit. */ + struct ieee_buflist types; + /* List of buffers for variables and functions in the current + compilation unit. */ + struct ieee_buflist vars; + /* List of buffers for C++ class definitions in the current + compilation unit. */ + struct ieee_buflist cxx; + /* List of buffers for line numbers in the current compilation unit. */ + struct ieee_buflist linenos; + /* Ranges for the current compilation unit. */ + struct ieee_range *ranges; + /* Ranges for all debugging information. */ + struct ieee_range *global_ranges; + /* Nested pending ranges. */ + struct ieee_range *pending_ranges; + /* Type stack. */ + struct ieee_type_stack *type_stack; + /* Next unallocated type index. */ + unsigned int type_indx; + /* Next unallocated name index. */ + unsigned int name_indx; + /* Typedefs. */ + struct ieee_name_type_hash_table typedefs; + /* Tags. */ + struct ieee_name_type_hash_table tags; + /* Enums. */ + struct ieee_defined_enum *enums; + /* Modified versions of types. */ + struct ieee_modified_type *modified; + /* Number of entries allocated in modified. */ + unsigned int modified_alloc; + /* 4 byte complex type. */ + unsigned int complex_float_index; + /* 8 byte complex type. */ + unsigned int complex_double_index; + /* The depth of block nesting. This is 0 outside a function, and 1 + just after start_function is called. */ + unsigned int block_depth; + /* The name of the current function. */ + const char *fnname; + /* List of buffers for the type of the function we are currently + writing out. */ + struct ieee_buflist fntype; + /* List of buffers for the parameters of the function we are + currently writing out. */ + struct ieee_buflist fnargs; + /* Number of arguments written to fnargs. */ + unsigned int fnargcount; + /* Pending function parameters. */ + struct ieee_pending_parm *pending_parms; + /* Current line number filename. */ + const char *lineno_filename; + /* Line number name index. */ + unsigned int lineno_name_indx; + /* Filename of pending line number. */ + const char *pending_lineno_filename; + /* Pending line number. */ + unsigned long pending_lineno; + /* Address of pending line number. */ + bfd_vma pending_lineno_addr; + /* Highest address seen at end of procedure. */ + bfd_vma highaddr; +}; + +static boolean ieee_init_buffer + PARAMS ((struct ieee_handle *, struct ieee_buflist *)); +static boolean ieee_change_buffer + PARAMS ((struct ieee_handle *, struct ieee_buflist *)); +static boolean ieee_append_buffer + PARAMS ((struct ieee_handle *, struct ieee_buflist *, + struct ieee_buflist *)); +static boolean ieee_real_write_byte PARAMS ((struct ieee_handle *, int)); +static boolean ieee_write_2bytes PARAMS ((struct ieee_handle *, int)); +static boolean ieee_write_number PARAMS ((struct ieee_handle *, bfd_vma)); +static boolean ieee_write_id PARAMS ((struct ieee_handle *, const char *)); +static boolean ieee_write_asn + PARAMS ((struct ieee_handle *, unsigned int, bfd_vma)); +static boolean ieee_write_atn65 + PARAMS ((struct ieee_handle *, unsigned int, const char *)); +static boolean ieee_push_type + PARAMS ((struct ieee_handle *, unsigned int, unsigned int, boolean, + boolean)); +static unsigned int ieee_pop_type PARAMS ((struct ieee_handle *)); +static void ieee_pop_unused_type PARAMS ((struct ieee_handle *)); +static unsigned int ieee_pop_type_used + PARAMS ((struct ieee_handle *, boolean)); +static boolean ieee_add_range + PARAMS ((struct ieee_handle *, boolean, bfd_vma, bfd_vma)); +static boolean ieee_start_range PARAMS ((struct ieee_handle *, bfd_vma)); +static boolean ieee_end_range PARAMS ((struct ieee_handle *, bfd_vma)); +static boolean ieee_define_type + PARAMS ((struct ieee_handle *, unsigned int, boolean, boolean)); +static boolean ieee_define_named_type + PARAMS ((struct ieee_handle *, const char *, unsigned int, unsigned int, + boolean, boolean, struct ieee_buflist *)); +static struct ieee_modified_type *ieee_get_modified_info + PARAMS ((struct ieee_handle *, unsigned int)); +static struct bfd_hash_entry *ieee_name_type_newfunc + PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); +static boolean ieee_write_undefined_tag + PARAMS ((struct ieee_name_type_hash_entry *, PTR)); +static boolean ieee_finish_compilation_unit PARAMS ((struct ieee_handle *)); +static void ieee_add_bb11_blocks PARAMS ((bfd *, asection *, PTR)); +static boolean ieee_add_bb11 + PARAMS ((struct ieee_handle *, asection *, bfd_vma, bfd_vma)); +static boolean ieee_output_pending_parms PARAMS ((struct ieee_handle *)); +static unsigned int ieee_vis_to_flags PARAMS ((enum debug_visibility)); +static boolean ieee_class_method_var + PARAMS ((struct ieee_handle *, const char *, enum debug_visibility, boolean, + boolean, boolean, bfd_vma, boolean)); + +static boolean ieee_start_compilation_unit PARAMS ((PTR, const char *)); +static boolean ieee_start_source PARAMS ((PTR, const char *)); +static boolean ieee_empty_type PARAMS ((PTR)); +static boolean ieee_void_type PARAMS ((PTR)); +static boolean ieee_int_type PARAMS ((PTR, unsigned int, boolean)); +static boolean ieee_float_type PARAMS ((PTR, unsigned int)); +static boolean ieee_complex_type PARAMS ((PTR, unsigned int)); +static boolean ieee_bool_type PARAMS ((PTR, unsigned int)); +static boolean ieee_enum_type + PARAMS ((PTR, const char *, const char **, bfd_signed_vma *)); +static boolean ieee_pointer_type PARAMS ((PTR)); +static boolean ieee_function_type PARAMS ((PTR, int, boolean)); +static boolean ieee_reference_type PARAMS ((PTR)); +static boolean ieee_range_type PARAMS ((PTR, bfd_signed_vma, bfd_signed_vma)); +static boolean ieee_array_type + PARAMS ((PTR, bfd_signed_vma, bfd_signed_vma, boolean)); +static boolean ieee_set_type PARAMS ((PTR, boolean)); +static boolean ieee_offset_type PARAMS ((PTR)); +static boolean ieee_method_type PARAMS ((PTR, boolean, int, boolean)); +static boolean ieee_const_type PARAMS ((PTR)); +static boolean ieee_volatile_type PARAMS ((PTR)); +static boolean ieee_start_struct_type + PARAMS ((PTR, const char *, unsigned int, boolean, unsigned int)); +static boolean ieee_struct_field + PARAMS ((PTR, const char *, bfd_vma, bfd_vma, enum debug_visibility)); +static boolean ieee_end_struct_type PARAMS ((PTR)); +static boolean ieee_start_class_type + PARAMS ((PTR, const char *, unsigned int, boolean, unsigned int, boolean, + boolean)); +static boolean ieee_class_static_member + PARAMS ((PTR, const char *, const char *, enum debug_visibility)); +static boolean ieee_class_baseclass + PARAMS ((PTR, bfd_vma, boolean, enum debug_visibility)); +static boolean ieee_class_start_method PARAMS ((PTR, const char *)); +static boolean ieee_class_method_variant + PARAMS ((PTR, const char *, enum debug_visibility, boolean, boolean, + bfd_vma, boolean)); +static boolean ieee_class_static_method_variant + PARAMS ((PTR, const char *, enum debug_visibility, boolean, boolean)); +static boolean ieee_class_end_method PARAMS ((PTR)); +static boolean ieee_end_class_type PARAMS ((PTR)); +static boolean ieee_typedef_type PARAMS ((PTR, const char *)); +static boolean ieee_tag_type + PARAMS ((PTR, const char *, unsigned int, enum debug_type_kind)); +static boolean ieee_typdef PARAMS ((PTR, const char *)); +static boolean ieee_tag PARAMS ((PTR, const char *)); +static boolean ieee_int_constant PARAMS ((PTR, const char *, bfd_vma)); +static boolean ieee_float_constant PARAMS ((PTR, const char *, double)); +static boolean ieee_typed_constant PARAMS ((PTR, const char *, bfd_vma)); +static boolean ieee_variable + PARAMS ((PTR, const char *, enum debug_var_kind, bfd_vma)); +static boolean ieee_start_function PARAMS ((PTR, const char *, boolean)); +static boolean ieee_function_parameter + PARAMS ((PTR, const char *, enum debug_parm_kind, bfd_vma)); +static boolean ieee_start_block PARAMS ((PTR, bfd_vma)); +static boolean ieee_end_block PARAMS ((PTR, bfd_vma)); +static boolean ieee_end_function PARAMS ((PTR)); +static boolean ieee_lineno + PARAMS ((PTR, const char *, unsigned long, bfd_vma)); + +static const struct debug_write_fns ieee_fns = +{ + ieee_start_compilation_unit, + ieee_start_source, + ieee_empty_type, + ieee_void_type, + ieee_int_type, + ieee_float_type, + ieee_complex_type, + ieee_bool_type, + ieee_enum_type, + ieee_pointer_type, + ieee_function_type, + ieee_reference_type, + ieee_range_type, + ieee_array_type, + ieee_set_type, + ieee_offset_type, + ieee_method_type, + ieee_const_type, + ieee_volatile_type, + ieee_start_struct_type, + ieee_struct_field, + ieee_end_struct_type, + ieee_start_class_type, + ieee_class_static_member, + ieee_class_baseclass, + ieee_class_start_method, + ieee_class_method_variant, + ieee_class_static_method_variant, + ieee_class_end_method, + ieee_end_class_type, + ieee_typedef_type, + ieee_tag_type, + ieee_typdef, + ieee_tag, + ieee_int_constant, + ieee_float_constant, + ieee_typed_constant, + ieee_variable, + ieee_start_function, + ieee_function_parameter, + ieee_start_block, + ieee_end_block, + ieee_end_function, + ieee_lineno +}; + +/* Initialize a buffer to be empty. */ + +/*ARGSUSED*/ +static boolean +ieee_init_buffer (info, buflist) + struct ieee_handle *info; + struct ieee_buflist *buflist; +{ + buflist->head = NULL; + buflist->tail = NULL; + return true; +} + +/* See whether a buffer list has any data. */ + +#define ieee_buffer_emptyp(buflist) ((buflist)->head == NULL) + +/* Change the current buffer to a specified buffer chain. */ + +static boolean +ieee_change_buffer (info, buflist) + struct ieee_handle *info; + struct ieee_buflist *buflist; +{ + if (buflist->head == NULL) + { + struct ieee_buf *buf; + + buf = (struct ieee_buf *) xmalloc (sizeof *buf); + buf->next = NULL; + buf->c = 0; + buflist->head = buf; + buflist->tail = buf; + } + + info->current = buflist; + info->curbuf = buflist->tail; + + return true; +} + +/* Append a buffer chain. */ + +/*ARGSUSED*/ +static boolean +ieee_append_buffer (info, mainbuf, newbuf) + struct ieee_handle *info; + struct ieee_buflist *mainbuf; + struct ieee_buflist *newbuf; +{ + if (newbuf->head != NULL) + { + if (mainbuf->head == NULL) + mainbuf->head = newbuf->head; + else + mainbuf->tail->next = newbuf->head; + mainbuf->tail = newbuf->tail; + } + return true; +} + +/* Write a byte into the buffer. We use a macro for speed and a + function for the complex cases. */ + +#define ieee_write_byte(info, b) \ + ((info)->curbuf->c < IEEE_BUFSIZE \ + ? ((info)->curbuf->buf[(info)->curbuf->c++] = (b), true) \ + : ieee_real_write_byte ((info), (b))) + +static boolean +ieee_real_write_byte (info, b) + struct ieee_handle *info; + int b; +{ + if (info->curbuf->c >= IEEE_BUFSIZE) + { + struct ieee_buf *n; + + n = (struct ieee_buf *) xmalloc (sizeof *n); + n->next = NULL; + n->c = 0; + if (info->current->head == NULL) + info->current->head = n; + else + info->current->tail->next = n; + info->current->tail = n; + info->curbuf = n; + } + + info->curbuf->buf[info->curbuf->c] = b; + ++info->curbuf->c; + + return true; +} + +/* Write out two bytes. */ + +static boolean +ieee_write_2bytes (info, i) + struct ieee_handle *info; + int i; +{ + return (ieee_write_byte (info, i >> 8) + && ieee_write_byte (info, i & 0xff)); +} + +/* Write out an integer. */ + +static boolean +ieee_write_number (info, v) + struct ieee_handle *info; + bfd_vma v; +{ + bfd_vma t; + bfd_byte ab[20]; + bfd_byte *p; + unsigned int c; + + if (v <= (bfd_vma) ieee_number_end_enum) + return ieee_write_byte (info, (int) v); + + t = v; + p = ab + sizeof ab; + while (t != 0) + { + *--p = t & 0xff; + t >>= 8; + } + c = (ab + 20) - p; + + if (c > (unsigned int) (ieee_number_repeat_end_enum + - ieee_number_repeat_start_enum)) + { + fprintf (stderr, "IEEE numeric overflow: 0x"); + fprintf_vma (stderr, v); + fprintf (stderr, "\n"); + return false; + } + + if (! ieee_write_byte (info, (int) ieee_number_repeat_start_enum + c)) + return false; + for (; c > 0; --c, ++p) + { + if (! ieee_write_byte (info, *p)) + return false; + } + + return true; +} + +/* Write out a string. */ + +static boolean +ieee_write_id (info, s) + struct ieee_handle *info; + const char *s; +{ + unsigned int len; + + len = strlen (s); + if (len <= 0x7f) + { + if (! ieee_write_byte (info, len)) + return false; + } + else if (len <= 0xff) + { + if (! ieee_write_byte (info, (int) ieee_extension_length_1_enum) + || ! ieee_write_byte (info, len)) + return false; + } + else if (len <= 0xffff) + { + if (! ieee_write_byte (info, (int) ieee_extension_length_2_enum) + || ! ieee_write_2bytes (info, len)) + return false; + } + else + { + fprintf (stderr, "IEEE string length overflow: %u\n", len); + return false; + } + + for (; *s != '\0'; s++) + if (! ieee_write_byte (info, *s)) + return false; + + return true; +} + +/* Write out an ASN record. */ + +static boolean +ieee_write_asn (info, indx, val) + struct ieee_handle *info; + unsigned int indx; + bfd_vma val; +{ + return (ieee_write_2bytes (info, (int) ieee_asn_record_enum) + && ieee_write_number (info, indx) + && ieee_write_number (info, val)); +} + +/* Write out an ATN65 record. */ + +static boolean +ieee_write_atn65 (info, indx, s) + struct ieee_handle *info; + unsigned int indx; + const char *s; +{ + return (ieee_write_2bytes (info, (int) ieee_atn_record_enum) + && ieee_write_number (info, indx) + && ieee_write_number (info, 0) + && ieee_write_number (info, 65) + && ieee_write_id (info, s)); +} + +/* Push a type index onto the type stack. */ + +static boolean +ieee_push_type (info, indx, size, unsignedp, localp) + struct ieee_handle *info; + unsigned int indx; + unsigned int size; + boolean unsignedp; + boolean localp; +{ + struct ieee_type_stack *ts; + + ts = (struct ieee_type_stack *) xmalloc (sizeof *ts); + memset (ts, 0, sizeof *ts); + + ts->type.indx = indx; + ts->type.size = size; + ts->type.unsignedp = unsignedp; + ts->type.localp = localp; + + ts->next = info->type_stack; + info->type_stack = ts; + + return true; +} + +/* Pop a type index off the type stack. */ + +static unsigned int +ieee_pop_type (info) + struct ieee_handle *info; +{ + return ieee_pop_type_used (info, true); +} + +/* Pop an unused type index off the type stack. */ + +static void +ieee_pop_unused_type (info) + struct ieee_handle *info; +{ + (void) ieee_pop_type_used (info, false); +} + +/* Pop a used or unused type index off the type stack. */ + +static unsigned int +ieee_pop_type_used (info, used) + struct ieee_handle *info; + boolean used; +{ + struct ieee_type_stack *ts; + unsigned int ret; + + ts = info->type_stack; + assert (ts != NULL); + + /* If this is a function type, and we need it, we need to append the + actual definition to the typedef block now. */ + if (used && ! ieee_buffer_emptyp (&ts->type.fndef)) + { + struct ieee_buflist *buflist; + + if (ts->type.localp) + { + /* Make sure we have started the types block. */ + if (ieee_buffer_emptyp (&info->types)) + { + if (! ieee_change_buffer (info, &info->types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 1) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname)) + return false; + } + buflist = &info->types; + } + else + { + /* Make sure we started the global type block. */ + if (ieee_buffer_emptyp (&info->global_types)) + { + if (! ieee_change_buffer (info, &info->global_types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 2) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "")) + return false; + } + buflist = &info->global_types; + } + + if (! ieee_append_buffer (info, buflist, &ts->type.fndef)) + return false; + } + + ret = ts->type.indx; + info->type_stack = ts->next; + free (ts); + return ret; +} + +/* Add a range of bytes included in the current compilation unit. */ + +static boolean +ieee_add_range (info, global, low, high) + struct ieee_handle *info; + boolean global; + bfd_vma low; + bfd_vma high; +{ + struct ieee_range **plist, *r, **pr; + + if (low == (bfd_vma) -1 || high == (bfd_vma) -1 || low == high) + return true; + + if (global) + plist = &info->global_ranges; + else + plist = &info->ranges; + + for (r = *plist; r != NULL; r = r->next) + { + if (high >= r->low && low <= r->high) + { + /* The new range overlaps r. */ + if (low < r->low) + r->low = low; + if (high > r->high) + r->high = high; + pr = &r->next; + while (*pr != NULL && (*pr)->low <= r->high) + { + struct ieee_range *n; + + if ((*pr)->high > r->high) + r->high = (*pr)->high; + n = (*pr)->next; + free (*pr); + *pr = n; + } + return true; + } + } + + r = (struct ieee_range *) xmalloc (sizeof *r); + memset (r, 0, sizeof *r); + + r->low = low; + r->high = high; + + /* Store the ranges sorted by address. */ + for (pr = plist; *pr != NULL; pr = &(*pr)->next) + if ((*pr)->low > high) + break; + r->next = *pr; + *pr = r; + + return true; +} + +/* Start a new range for which we only have the low address. */ + +static boolean +ieee_start_range (info, low) + struct ieee_handle *info; + bfd_vma low; +{ + struct ieee_range *r; + + r = (struct ieee_range *) xmalloc (sizeof *r); + memset (r, 0, sizeof *r); + r->low = low; + r->next = info->pending_ranges; + info->pending_ranges = r; + return true; +} + +/* Finish a range started by ieee_start_range. */ + +static boolean +ieee_end_range (info, high) + struct ieee_handle *info; + bfd_vma high; +{ + struct ieee_range *r; + bfd_vma low; + + assert (info->pending_ranges != NULL); + r = info->pending_ranges; + low = r->low; + info->pending_ranges = r->next; + free (r); + return ieee_add_range (info, false, low, high); +} + +/* Start defining a type. */ + +static boolean +ieee_define_type (info, size, unsignedp, localp) + struct ieee_handle *info; + unsigned int size; + boolean unsignedp; + boolean localp; +{ + return ieee_define_named_type (info, (const char *) NULL, + (unsigned int) -1, size, unsignedp, + localp, (struct ieee_buflist *) NULL); +} + +/* Start defining a named type. */ + +static boolean +ieee_define_named_type (info, name, indx, size, unsignedp, localp, buflist) + struct ieee_handle *info; + const char *name; + unsigned int indx; + unsigned int size; + boolean unsignedp; + boolean localp; + struct ieee_buflist *buflist; +{ + unsigned int type_indx; + unsigned int name_indx; + + if (indx != (unsigned int) -1) + type_indx = indx; + else + { + type_indx = info->type_indx; + ++info->type_indx; + } + + name_indx = info->name_indx; + ++info->name_indx; + + if (name == NULL) + name = ""; + + /* If we were given a buffer, use it; otherwise, use either the + local or the global type information, and make sure that the type + block is started. */ + if (buflist != NULL) + { + if (! ieee_change_buffer (info, buflist)) + return false; + } + else if (localp) + { + if (! ieee_buffer_emptyp (&info->types)) + { + if (! ieee_change_buffer (info, &info->types)) + return false; + } + else + { + if (! ieee_change_buffer (info, &info->types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 1) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname)) + return false; + } + } + else + { + if (! ieee_buffer_emptyp (&info->global_types)) + { + if (! ieee_change_buffer (info, &info->global_types)) + return false; + } + else + { + if (! ieee_change_buffer (info, &info->global_types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 2) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "")) + return false; + } + } + + /* Push the new type on the type stack, write out an NN record, and + write out the start of a TY record. The caller will then finish + the TY record. */ + if (! ieee_push_type (info, type_indx, size, unsignedp, localp)) + return false; + + return (ieee_write_byte (info, (int) ieee_nn_record) + && ieee_write_number (info, name_indx) + && ieee_write_id (info, name) + && ieee_write_byte (info, (int) ieee_ty_record_enum) + && ieee_write_number (info, type_indx) + && ieee_write_byte (info, 0xce) + && ieee_write_number (info, name_indx)); +} + +/* Get an entry to the list of modified versions of a type. */ + +static struct ieee_modified_type * +ieee_get_modified_info (info, indx) + struct ieee_handle *info; + unsigned int indx; +{ + if (indx >= info->modified_alloc) + { + unsigned int nalloc; + + nalloc = info->modified_alloc; + if (nalloc == 0) + nalloc = 16; + while (indx >= nalloc) + nalloc *= 2; + info->modified = ((struct ieee_modified_type *) + xrealloc (info->modified, + nalloc * sizeof *info->modified)); + memset (info->modified + info->modified_alloc, 0, + (nalloc - info->modified_alloc) * sizeof *info->modified); + info->modified_alloc = nalloc; + } + + return info->modified + indx; +} + +/* Routines for the hash table mapping names to types. */ + +/* Initialize an entry in the hash table. */ + +static struct bfd_hash_entry * +ieee_name_type_newfunc (entry, table, string) + struct bfd_hash_entry *entry; + struct bfd_hash_table *table; + const char *string; +{ + struct ieee_name_type_hash_entry *ret = + (struct ieee_name_type_hash_entry *) entry; + + /* Allocate the structure if it has not already been allocated by a + subclass. */ + if (ret == NULL) + ret = ((struct ieee_name_type_hash_entry *) + bfd_hash_allocate (table, sizeof *ret)); + if (ret == NULL) + return NULL; + + /* Call the allocation method of the superclass. */ + ret = ((struct ieee_name_type_hash_entry *) + bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); + if (ret) + { + /* Set local fields. */ + ret->types = NULL; + } + + return (struct bfd_hash_entry *) ret; +} + +/* Look up an entry in the hash table. */ + +#define ieee_name_type_hash_lookup(table, string, create, copy) \ + ((struct ieee_name_type_hash_entry *) \ + bfd_hash_lookup (&(table)->root, (string), (create), (copy))) + +/* Traverse the hash table. */ + +#define ieee_name_type_hash_traverse(table, func, info) \ + (bfd_hash_traverse \ + (&(table)->root, \ + (boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) (func), \ + (info))) + +/* The general routine to write out IEEE debugging information. */ + +boolean +write_ieee_debugging_info (abfd, dhandle) + bfd *abfd; + PTR dhandle; +{ + struct ieee_handle info; + asection *s; + const char *err; + struct ieee_buf *b; + + memset (&info, 0, sizeof info); + info.abfd = abfd; + info.type_indx = 256; + info.name_indx = 32; + + if (! bfd_hash_table_init (&info.typedefs.root, ieee_name_type_newfunc) + || ! bfd_hash_table_init (&info.tags.root, ieee_name_type_newfunc)) + return false; + + if (! ieee_init_buffer (&info, &info.global_types) + || ! ieee_init_buffer (&info, &info.data) + || ! ieee_init_buffer (&info, &info.types) + || ! ieee_init_buffer (&info, &info.vars) + || ! ieee_init_buffer (&info, &info.cxx) + || ! ieee_init_buffer (&info, &info.linenos) + || ! ieee_init_buffer (&info, &info.fntype) + || ! ieee_init_buffer (&info, &info.fnargs)) + return false; + + if (! debug_write (dhandle, &ieee_fns, (PTR) &info)) + return false; + + if (info.filename != NULL) + { + if (! ieee_finish_compilation_unit (&info)) + return false; + } + + /* Put any undefined tags in the global typedef information. */ + info.error = false; + ieee_name_type_hash_traverse (&info.tags, + ieee_write_undefined_tag, + (PTR) &info); + if (info.error) + return false; + + /* Prepend the global typedef information to the other data. */ + if (! ieee_buffer_emptyp (&info.global_types)) + { + if (! ieee_change_buffer (&info, &info.global_types) + || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) + return false; + + if (! ieee_append_buffer (&info, &info.global_types, &info.data)) + return false; + info.data = info.global_types; + } + + /* Make sure that we have declare BB11 blocks for each range in the + file. They are added to info->vars. */ + info.error = false; + if (! ieee_init_buffer (&info, &info.vars)) + return false; + bfd_map_over_sections (abfd, ieee_add_bb11_blocks, (PTR) &info); + if (info.error) + return false; + if (! ieee_buffer_emptyp (&info.vars)) + { + if (! ieee_change_buffer (&info, &info.vars) + || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) + return false; + + if (! ieee_append_buffer (&info, &info.data, &info.vars)) + return false; + } + + /* Now all the data is in info.data. Write it out to the BFD. We + normally would need to worry about whether all the other sections + are set up yet, but the IEEE backend will handle this particular + case correctly regardless. */ + if (ieee_buffer_emptyp (&info.data)) + { + /* There is no debugging information. */ + return true; + } + err = NULL; + s = bfd_make_section (abfd, ".debug"); + if (s == NULL) + err = "bfd_make_section"; + if (err == NULL) + { + if (! bfd_set_section_flags (abfd, s, SEC_DEBUGGING | SEC_HAS_CONTENTS)) + err = "bfd_set_section_flags"; + } + if (err == NULL) + { + bfd_size_type size; + + size = 0; + for (b = info.data.head; b != NULL; b = b->next) + size += b->c; + if (! bfd_set_section_size (abfd, s, size)) + err = "bfd_set_section_size"; + } + if (err == NULL) + { + file_ptr offset; + + offset = 0; + for (b = info.data.head; b != NULL; b = b->next) + { + if (! bfd_set_section_contents (abfd, s, b->buf, offset, b->c)) + { + err = "bfd_set_section_contents"; + break; + } + offset += b->c; + } + } + + if (err != NULL) + { + fprintf (stderr, "%s: %s: %s\n", bfd_get_filename (abfd), err, + bfd_errmsg (bfd_get_error ())); + return false; + } + + bfd_hash_table_free (&info.typedefs.root); + bfd_hash_table_free (&info.tags.root); + + return true; +} + +/* Write out information for an undefined tag. This is called via + ieee_name_type_hash_traverse. */ + +static boolean +ieee_write_undefined_tag (h, p) + struct ieee_name_type_hash_entry *h; + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + struct ieee_name_type *nt; + + for (nt = h->types; nt != NULL; nt = nt->next) + { + unsigned int name_indx; + char code; + + if (nt->kind == DEBUG_KIND_ILLEGAL) + continue; + + if (ieee_buffer_emptyp (&info->global_types)) + { + if (! ieee_change_buffer (info, &info->global_types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 2) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "")) + { + info->error = true; + return false; + } + } + else + { + if (! ieee_change_buffer (info, &info->global_types)) + { + info->error = true; + return false; + } + } + + name_indx = info->name_indx; + ++info->name_indx; + if (! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, name_indx) + || ! ieee_write_id (info, nt->type.name) + || ! ieee_write_byte (info, (int) ieee_ty_record_enum) + || ! ieee_write_number (info, nt->type.indx) + || ! ieee_write_byte (info, 0xce) + || ! ieee_write_number (info, name_indx)) + { + info->error = true; + return false; + } + + switch (nt->kind) + { + default: + abort (); + info->error = true; + return false; + case DEBUG_KIND_STRUCT: + case DEBUG_KIND_CLASS: + code = 'S'; + break; + case DEBUG_KIND_UNION: + case DEBUG_KIND_UNION_CLASS: + code = 'U'; + break; + case DEBUG_KIND_ENUM: + code = 'E'; + break; + } + if (! ieee_write_number (info, code) + || ! ieee_write_number (info, 0)) + { + info->error = true; + return false; + } + } + + return true; +} + +/* Start writing out information for a compilation unit. */ + +static boolean +ieee_start_compilation_unit (p, filename) + PTR p; + const char *filename; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + const char *modname; + char *c, *s; + unsigned int nindx; + + if (info->filename != NULL) + { + if (! ieee_finish_compilation_unit (info)) + return false; + } + + info->filename = filename; + modname = strrchr (filename, '/'); + if (modname != NULL) + ++modname; + else + { + modname = strrchr (filename, '\\'); + if (modname != NULL) + ++modname; + else + modname = filename; + } + c = xstrdup (modname); + s = strrchr (c, '.'); + if (s != NULL) + *s = '\0'; + info->modname = c; + + if (! ieee_init_buffer (info, &info->types) + || ! ieee_init_buffer (info, &info->vars) + || ! ieee_init_buffer (info, &info->cxx) + || ! ieee_init_buffer (info, &info->linenos)) + return false; + info->ranges = NULL; + + /* Always include a BB1 and a BB3 block. That is what the output of + the MRI linker seems to look like. */ + if (! ieee_change_buffer (info, &info->types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 1) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname)) + return false; + + nindx = info->name_indx; + ++info->name_indx; + if (! ieee_change_buffer (info, &info->vars) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 3) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname)) + return false; + + return true; +} + +/* Finish up a compilation unit. */ + +static boolean +ieee_finish_compilation_unit (info) + struct ieee_handle *info; +{ + struct ieee_range *r; + + if (! ieee_buffer_emptyp (&info->types)) + { + if (! ieee_change_buffer (info, &info->types) + || ! ieee_write_byte (info, (int) ieee_be_record_enum)) + return false; + } + + if (! ieee_buffer_emptyp (&info->cxx)) + { + /* Append any C++ information to the global function and + variable information. */ + assert (! ieee_buffer_emptyp (&info->vars)); + if (! ieee_change_buffer (info, &info->vars)) + return false; + + /* We put the pmisc records in a dummy procedure, just as the + MRI compiler does. */ + if (! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 6) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "__XRYCPP") + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, info->highaddr - 1) + || ! ieee_append_buffer (info, &info->vars, &info->cxx) + || ! ieee_change_buffer (info, &info->vars) + || ! ieee_write_byte (info, (int) ieee_be_record_enum) + || ! ieee_write_number (info, info->highaddr - 1)) + return false; + } + + if (! ieee_buffer_emptyp (&info->vars)) + { + if (! ieee_change_buffer (info, &info->vars) + || ! ieee_write_byte (info, (int) ieee_be_record_enum)) + return false; + } + + if (info->pending_lineno_filename != NULL) + { + /* Force out the pending line number. */ + if (! ieee_lineno ((PTR) info, (const char *) NULL, 0, (bfd_vma) -1)) + return false; + } + if (! ieee_buffer_emptyp (&info->linenos)) + { + if (! ieee_change_buffer (info, &info->linenos) + || ! ieee_write_byte (info, (int) ieee_be_record_enum)) + return false; + if (strcmp (info->filename, info->lineno_filename) != 0) + { + /* We were not in the main file. We just closed the + included line number block, and now we must close the + main line number block. */ + if (! ieee_write_byte (info, (int) ieee_be_record_enum)) + return false; + } + } + + if (! ieee_append_buffer (info, &info->data, &info->types) + || ! ieee_append_buffer (info, &info->data, &info->vars) + || ! ieee_append_buffer (info, &info->data, &info->linenos)) + return false; + + /* Build BB10/BB11 blocks based on the ranges we recorded. */ + if (! ieee_change_buffer (info, &info->data)) + return false; + + if (! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 10) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname) + || ! ieee_write_id (info, "") + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "GNU objcopy")) + return false; + + for (r = info->ranges; r != NULL; r = r->next) + { + bfd_vma low, high; + asection *s; + int kind; + + low = r->low; + high = r->high; + + /* Find the section corresponding to this range. */ + for (s = info->abfd->sections; s != NULL; s = s->next) + { + if (bfd_get_section_vma (info->abfd, s) <= low + && high <= (bfd_get_section_vma (info->abfd, s) + + bfd_section_size (info->abfd, s))) + break; + } + + if (s == NULL) + { + /* Just ignore this range. */ + continue; + } + + /* Coalesce ranges if it seems reasonable. */ + while (r->next != NULL + && high + 64 >= r->next->low + && (r->next->high + <= (bfd_get_section_vma (info->abfd, s) + + bfd_section_size (info->abfd, s)))) + { + r = r->next; + high = r->high; + } + + if ((s->flags & SEC_CODE) != 0) + kind = 1; + else if ((s->flags & SEC_READONLY) != 0) + kind = 3; + else + kind = 2; + + if (! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 11) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "") + || ! ieee_write_number (info, kind) + || ! ieee_write_number (info, s->index + IEEE_SECTION_NUMBER_BASE) + || ! ieee_write_number (info, low) + || ! ieee_write_byte (info, (int) ieee_be_record_enum) + || ! ieee_write_number (info, high - low)) + return false; + + /* Add this range to the list of global ranges. */ + if (! ieee_add_range (info, true, low, high)) + return false; + } + + if (! ieee_write_byte (info, (int) ieee_be_record_enum)) + return false; + + return true; +} + +/* Add BB11 blocks describing each range that we have not already + described. */ + +static void +ieee_add_bb11_blocks (abfd, sec, data) + bfd *abfd; + asection *sec; + PTR data; +{ + struct ieee_handle *info = (struct ieee_handle *) data; + bfd_vma low, high; + struct ieee_range *r; + + low = bfd_get_section_vma (abfd, sec); + high = low + bfd_section_size (abfd, sec); + + /* Find the first range at or after this section. The ranges are + sorted by address. */ + for (r = info->global_ranges; r != NULL; r = r->next) + if (r->high > low) + break; + + while (low < high) + { + if (r == NULL || r->low >= high) + { + if (! ieee_add_bb11 (info, sec, low, high)) + info->error = true; + return; + } + + if (low < r->low) + { + if (! ieee_add_bb11 (info, sec, low, r->low)) + { + info->error = true; + return; + } + } + low = r->high; + + r = r->next; + } +} + +/* Add a single BB11 block for a range. We add it to info->vars. */ + +static boolean +ieee_add_bb11 (info, sec, low, high) + struct ieee_handle *info; + asection *sec; + bfd_vma low; + bfd_vma high; +{ + int kind; + + if (! ieee_buffer_emptyp (&info->vars)) + { + if (! ieee_change_buffer (info, &info->vars)) + return false; + } + else + { + const char *filename, *modname; + char *c, *s; + + /* Start the enclosing BB10 block. */ + filename = bfd_get_filename (info->abfd); + modname = strrchr (filename, '/'); + if (modname != NULL) + ++modname; + else + { + modname = strrchr (filename, '\\'); + if (modname != NULL) + ++modname; + else + modname = filename; + } + c = xstrdup (modname); + s = strrchr (c, '.'); + if (s != NULL) + *s = '\0'; + + if (! ieee_change_buffer (info, &info->vars) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 10) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, c) + || ! ieee_write_id (info, "") + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "GNU objcopy")) + return false; + + free (c); + } + + if ((sec->flags & SEC_CODE) != 0) + kind = 1; + else if ((sec->flags & SEC_READONLY) != 0) + kind = 3; + else + kind = 2; + + if (! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 11) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "") + || ! ieee_write_number (info, kind) + || ! ieee_write_number (info, sec->index + IEEE_SECTION_NUMBER_BASE) + || ! ieee_write_number (info, low) + || ! ieee_write_byte (info, (int) ieee_be_record_enum) + || ! ieee_write_number (info, high - low)) + return false; + + return true; +} + +/* Start recording information from a particular source file. This is + used to record which file defined which types, variables, etc. It + is not used for line numbers, since the lineno entry point passes + down the file name anyhow. IEEE debugging information doesn't seem + to store this information anywhere. */ + +/*ARGSUSED*/ +static boolean +ieee_start_source (p, filename) + PTR p; + const char *filename; +{ + return true; +} + +/* Make an empty type. */ + +static boolean +ieee_empty_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + return ieee_push_type (info, (int) builtin_unknown, 0, false, false); +} + +/* Make a void type. */ + +static boolean +ieee_void_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + return ieee_push_type (info, (int) builtin_void, 0, false, false); +} + +/* Make an integer type. */ + +static boolean +ieee_int_type (p, size, unsignedp) + PTR p; + unsigned int size; + boolean unsignedp; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int indx; + + switch (size) + { + case 1: + indx = (int) builtin_signed_char; + break; + case 2: + indx = (int) builtin_signed_short_int; + break; + case 4: + indx = (int) builtin_signed_long; + break; + case 8: + indx = (int) builtin_signed_long_long; + break; + default: + fprintf (stderr, "IEEE unsupported integer type size %u\n", size); + return false; + } + + if (unsignedp) + ++indx; + + return ieee_push_type (info, indx, size, unsignedp, false); +} + +/* Make a floating point type. */ + +static boolean +ieee_float_type (p, size) + PTR p; + unsigned int size; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int indx; + + switch (size) + { + case 4: + indx = (int) builtin_float; + break; + case 8: + indx = (int) builtin_double; + break; + case 12: + /* FIXME: This size really depends upon the processor. */ + indx = (int) builtin_long_double; + break; + case 16: + indx = (int) builtin_long_long_double; + break; + default: + fprintf (stderr, "IEEE unsupported float type size %u\n", size); + return false; + } + + return ieee_push_type (info, indx, size, false, false); +} + +/* Make a complex type. */ + +static boolean +ieee_complex_type (p, size) + PTR p; + unsigned int size; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + char code; + + switch (size) + { + case 4: + if (info->complex_float_index != 0) + return ieee_push_type (info, info->complex_float_index, size * 2, + false, false); + code = 'c'; + break; + case 12: + case 16: + /* These cases can be output by gcc -gstabs. Outputting the + wrong type is better than crashing. */ + case 8: + if (info->complex_double_index != 0) + return ieee_push_type (info, info->complex_double_index, size * 2, + false, false); + code = 'd'; + break; + default: + fprintf (stderr, "IEEE unsupported complex type size %u\n", size); + return false; + } + + /* FIXME: I don't know what the string is for. */ + if (! ieee_define_type (info, size * 2, false, false) + || ! ieee_write_number (info, code) + || ! ieee_write_id (info, "")) + return false; + + if (size == 4) + info->complex_float_index = info->type_stack->type.indx; + else + info->complex_double_index = info->type_stack->type.indx; + + return true; +} + +/* Make a boolean type. IEEE doesn't support these, so we just make + an integer type instead. */ + +static boolean +ieee_bool_type (p, size) + PTR p; + unsigned int size; +{ + return ieee_int_type (p, size, true); +} + +/* Make an enumeration. */ + +static boolean +ieee_enum_type (p, tag, names, vals) + PTR p; + const char *tag; + const char **names; + bfd_signed_vma *vals; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + struct ieee_defined_enum *e; + boolean localp, simple; + int i; + + localp = false; + for (e = info->enums; e != NULL; e = e->next) + { + if (tag == NULL) + { + if (e->tag != NULL) + continue; + } + else + { + if (e->tag == NULL + || tag[0] != e->tag[0] + || strcmp (tag, e->tag) != 0) + continue; + } + + if (names != NULL && e->names != NULL) + { + for (i = 0; names[i] != NULL && e->names[i] != NULL; i++) + { + if (names[i][0] != e->names[i][0] + || vals[i] != e->vals[i] + || strcmp (names[i], e->names[i]) != 0) + break; + } + } + + if ((names == NULL && e->names == NULL) + || (names[i] == NULL && e->names[i] == NULL)) + { + /* We've seen this enum before. */ + return ieee_push_type (info, e->indx, 0, true, false); + } + + if (tag != NULL) + { + /* We've already seen an enum of the same name, so we must make + sure to output this one locally. */ + localp = true; + break; + } + } + + /* If this is a simple enumeration, in which the values start at 0 + and always increment by 1, we can use type E. Otherwise we must + use type N. */ + + simple = true; + if (names != NULL) + { + for (i = 0; names[i] != NULL; i++) + { + if (vals[i] != i) + { + simple = false; + break; + } + } + } + + if (! ieee_define_named_type (info, tag, (unsigned int) -1, 0, + true, localp, (struct ieee_buflist *) NULL) + || ! ieee_write_number (info, simple ? 'E' : 'N')) + return false; + if (simple) + { + /* FIXME: This is supposed to be the enumeration size, but we + don't store that. */ + if (! ieee_write_number (info, 4)) + return false; + } + if (names != NULL) + { + for (i = 0; names[i] != NULL; i++) + { + if (! ieee_write_id (info, names[i])) + return false; + if (! simple) + { + if (! ieee_write_number (info, vals[i])) + return false; + } + } + } + + if (! localp) + { + e = (struct ieee_defined_enum *) xmalloc (sizeof *e); + memset (e, 0, sizeof *e); + + e->indx = info->type_stack->type.indx; + e->tag = tag; + e->names = names; + e->vals = vals; + + e->next = info->enums; + info->enums = e; + } + + return true; +} + +/* Make a pointer type. */ + +static boolean +ieee_pointer_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + boolean localp; + unsigned int indx; + struct ieee_modified_type *m = NULL; + + localp = info->type_stack->type.localp; + indx = ieee_pop_type (info); + + /* A pointer to a simple builtin type can be obtained by adding 32. + FIXME: Will this be a short pointer, and will that matter? */ + if (indx < 32) + return ieee_push_type (info, indx + 32, 0, true, false); + + if (! localp) + { + m = ieee_get_modified_info (p, indx); + if (m == NULL) + return false; + + /* FIXME: The size should depend upon the architecture. */ + if (m->pointer > 0) + return ieee_push_type (info, m->pointer, 4, true, false); + } + + if (! ieee_define_type (info, 4, true, localp) + || ! ieee_write_number (info, 'P') + || ! ieee_write_number (info, indx)) + return false; + + if (! localp) + m->pointer = info->type_stack->type.indx; + + return true; +} + +/* Make a function type. This will be called for a method, but we + don't want to actually add it to the type table in that case. We + handle this by defining the type in a private buffer, and only + adding that buffer to the typedef block if we are going to use it. */ + +static boolean +ieee_function_type (p, argcount, varargs) + PTR p; + int argcount; + boolean varargs; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + boolean localp; + unsigned int *args = NULL; + int i; + unsigned int retindx; + struct ieee_buflist fndef; + struct ieee_modified_type *m; + + localp = false; + + if (argcount > 0) + { + args = (unsigned int *) xmalloc (argcount * sizeof *args); + for (i = argcount - 1; i >= 0; i--) + { + if (info->type_stack->type.localp) + localp = true; + args[i] = ieee_pop_type (info); + } + } + else if (argcount < 0) + varargs = false; + + if (info->type_stack->type.localp) + localp = true; + retindx = ieee_pop_type (info); + + m = NULL; + if (argcount < 0 && ! localp) + { + m = ieee_get_modified_info (p, retindx); + if (m == NULL) + return false; + + if (m->function > 0) + return ieee_push_type (info, m->function, 0, true, false); + } + + /* An attribute of 0x41 means that the frame and push mask are + unknown. */ + if (! ieee_init_buffer (info, &fndef) + || ! ieee_define_named_type (info, (const char *) NULL, + (unsigned int) -1, 0, true, localp, + &fndef) + || ! ieee_write_number (info, 'x') + || ! ieee_write_number (info, 0x41) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, retindx) + || ! ieee_write_number (info, (bfd_vma) argcount + (varargs ? 1 : 0))) + return false; + if (argcount > 0) + { + for (i = 0; i < argcount; i++) + if (! ieee_write_number (info, args[i])) + return false; + free (args); + } + if (varargs) + { + /* A varargs function is represented by writing out the last + argument as type void *, although this makes little sense. */ + if (! ieee_write_number (info, (bfd_vma) builtin_void + 32)) + return false; + } + + if (! ieee_write_number (info, 0)) + return false; + + /* We wrote the information into fndef, in case we don't need it. + It will be appended to info->types by ieee_pop_type. */ + info->type_stack->type.fndef = fndef; + + if (m != NULL) + m->function = info->type_stack->type.indx; + + return true; +} + +/* Make a reference type. */ + +static boolean +ieee_reference_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + /* IEEE appears to record a normal pointer type, and then use a + pmisc record to indicate that it is really a reference. */ + + if (! ieee_pointer_type (p)) + return false; + info->type_stack->type.referencep = true; + return true; +} + +/* Make a range type. */ + +static boolean +ieee_range_type (p, low, high) + PTR p; + bfd_signed_vma low; + bfd_signed_vma high; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int size; + boolean unsignedp, localp; + + size = info->type_stack->type.size; + unsignedp = info->type_stack->type.unsignedp; + localp = info->type_stack->type.localp; + ieee_pop_unused_type (info); + return (ieee_define_type (info, size, unsignedp, localp) + && ieee_write_number (info, 'R') + && ieee_write_number (info, (bfd_vma) low) + && ieee_write_number (info, (bfd_vma) high) + && ieee_write_number (info, unsignedp ? 0 : 1) + && ieee_write_number (info, size)); +} + +/* Make an array type. */ + +/*ARGSUSED*/ +static boolean +ieee_array_type (p, low, high, stringp) + PTR p; + bfd_signed_vma low; + bfd_signed_vma high; + boolean stringp; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int eleindx; + boolean localp; + struct ieee_modified_type *m = NULL; + struct ieee_modified_array_type *a; + + /* IEEE does not store the range, so we just ignore it. */ + ieee_pop_unused_type (info); + localp = info->type_stack->type.localp; + eleindx = ieee_pop_type (info); + + if (! localp) + { + m = ieee_get_modified_info (info, eleindx); + if (m == NULL) + return false; + + for (a = m->arrays; a != NULL; a = a->next) + { + if (a->low == low && a->high == high) + return ieee_push_type (info, a->indx, 0, false, false); + } + } + + if (! ieee_define_type (info, 0, false, localp) + || ! ieee_write_number (info, low == 0 ? 'Z' : 'C') + || ! ieee_write_number (info, eleindx)) + return false; + if (low != 0) + { + if (! ieee_write_number (info, low)) + return false; + } + + if (! ieee_write_number (info, high + 1)) + return false; + + if (! localp) + { + a = (struct ieee_modified_array_type *) xmalloc (sizeof *a); + memset (a, 0, sizeof *a); + + a->indx = info->type_stack->type.indx; + a->low = low; + a->high = high; + + a->next = m->arrays; + m->arrays = a; + } + + return true; +} + +/* Make a set type. */ + +static boolean +ieee_set_type (p, bitstringp) + PTR p; + boolean bitstringp; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + boolean localp; + unsigned int eleindx; + + localp = info->type_stack->type.localp; + eleindx = ieee_pop_type (info); + + /* FIXME: We don't know the size, so we just use 4. */ + + return (ieee_define_type (info, 0, true, localp) + && ieee_write_number (info, 's') + && ieee_write_number (info, 4) + && ieee_write_number (info, eleindx)); +} + +/* Make an offset type. */ + +static boolean +ieee_offset_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int targetindx, baseindx; + + targetindx = ieee_pop_type (info); + baseindx = ieee_pop_type (info); + + /* FIXME: The MRI C++ compiler does not appear to generate any + useful type information about an offset type. It just records a + pointer to member as an integer. The MRI/HP IEEE spec does + describe a pmisc record which can be used for a pointer to + member. Unfortunately, it does not describe the target type, + which seems pretty important. I'm going to punt this for now. */ + + return ieee_int_type (p, 4, true); +} + +/* Make a method type. */ + +static boolean +ieee_method_type (p, domain, argcount, varargs) + PTR p; + boolean domain; + int argcount; + boolean varargs; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + /* FIXME: The MRI/HP IEEE spec defines a pmisc record to use for a + method, but the definition is incomplete. We just output an 'x' + type. */ + + if (domain) + ieee_pop_unused_type (info); + + return ieee_function_type (p, argcount, varargs); +} + +/* Make a const qualified type. */ + +static boolean +ieee_const_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int size; + boolean unsignedp, localp; + unsigned int indx; + struct ieee_modified_type *m = NULL; + + size = info->type_stack->type.size; + unsignedp = info->type_stack->type.unsignedp; + localp = info->type_stack->type.localp; + indx = ieee_pop_type (info); + + if (! localp) + { + m = ieee_get_modified_info (info, indx); + if (m == NULL) + return false; + + if (m->const_qualified > 0) + return ieee_push_type (info, m->const_qualified, size, unsignedp, + false); + } + + if (! ieee_define_type (info, size, unsignedp, localp) + || ! ieee_write_number (info, 'n') + || ! ieee_write_number (info, 1) + || ! ieee_write_number (info, indx)) + return false; + + if (! localp) + m->const_qualified = info->type_stack->type.indx; + + return true; +} + +/* Make a volatile qualified type. */ + +static boolean +ieee_volatile_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int size; + boolean unsignedp, localp; + unsigned int indx; + struct ieee_modified_type *m = NULL; + + size = info->type_stack->type.size; + unsignedp = info->type_stack->type.unsignedp; + localp = info->type_stack->type.localp; + indx = ieee_pop_type (info); + + if (! localp) + { + m = ieee_get_modified_info (info, indx); + if (m == NULL) + return false; + + if (m->volatile_qualified > 0) + return ieee_push_type (info, m->volatile_qualified, size, unsignedp, + false); + } + + if (! ieee_define_type (info, size, unsignedp, localp) + || ! ieee_write_number (info, 'n') + || ! ieee_write_number (info, 2) + || ! ieee_write_number (info, indx)) + return false; + + if (! localp) + m->volatile_qualified = info->type_stack->type.indx; + + return true; +} + +/* Convert an enum debug_visibility into a CXXFLAGS value. */ + +static unsigned int +ieee_vis_to_flags (visibility) + enum debug_visibility visibility; +{ + switch (visibility) + { + default: + abort (); + case DEBUG_VISIBILITY_PUBLIC: + return CXXFLAGS_VISIBILITY_PUBLIC; + case DEBUG_VISIBILITY_PRIVATE: + return CXXFLAGS_VISIBILITY_PRIVATE; + case DEBUG_VISIBILITY_PROTECTED: + return CXXFLAGS_VISIBILITY_PROTECTED; + } + /*NOTREACHED*/ +} + +/* Start defining a struct type. We build it in the strdef field on + the stack, to avoid confusing type definitions required by the + fields with the struct type itself. */ + +static boolean +ieee_start_struct_type (p, tag, id, structp, size) + PTR p; + const char *tag; + unsigned int id; + boolean structp; + unsigned int size; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + boolean localp, ignorep; + boolean copy; + char ab[20]; + const char *look; + struct ieee_name_type_hash_entry *h; + struct ieee_name_type *nt, *ntlook; + struct ieee_buflist strdef; + + localp = false; + ignorep = false; + + /* We need to create a tag for internal use even if we don't want + one for external use. This will let us refer to an anonymous + struct. */ + if (tag != NULL) + { + look = tag; + copy = false; + } + else + { + sprintf (ab, "__anon%u", id); + look = ab; + copy = true; + } + + /* If we already have references to the tag, we must use the + existing type index. */ + h = ieee_name_type_hash_lookup (&info->tags, look, true, copy); + if (h == NULL) + return false; + + nt = NULL; + for (ntlook = h->types; ntlook != NULL; ntlook = ntlook->next) + { + if (ntlook->id == id) + nt = ntlook; + else if (! ntlook->type.localp) + { + /* We are creating a duplicate definition of a globally + defined tag. Force it to be local to avoid + confusion. */ + localp = true; + } + } + + if (nt != NULL) + { + assert (localp == nt->type.localp); + if (nt->kind == DEBUG_KIND_ILLEGAL && ! localp) + { + /* We've already seen a global definition of the type. + Ignore this new definition. */ + ignorep = true; + } + } + else + { + nt = (struct ieee_name_type *) xmalloc (sizeof *nt); + memset (nt, 0, sizeof *nt); + nt->id = id; + nt->type.name = h->root.string; + nt->next = h->types; + h->types = nt; + nt->type.indx = info->type_indx; + ++info->type_indx; + } + + nt->kind = DEBUG_KIND_ILLEGAL; + + if (! ieee_init_buffer (info, &strdef) + || ! ieee_define_named_type (info, tag, nt->type.indx, size, true, + localp, &strdef) + || ! ieee_write_number (info, structp ? 'S' : 'U') + || ! ieee_write_number (info, size)) + return false; + + if (! ignorep) + { + const char *hold; + + /* We never want nt->type.name to be NULL. We want the rest of + the type to be the object set up on the type stack; it will + have a NULL name if tag is NULL. */ + hold = nt->type.name; + nt->type = info->type_stack->type; + nt->type.name = hold; + } + + info->type_stack->type.name = tag; + info->type_stack->type.strdef = strdef; + info->type_stack->type.ignorep = ignorep; + + return true; +} + +/* Add a field to a struct. */ + +static boolean +ieee_struct_field (p, name, bitpos, bitsize, visibility) + PTR p; + const char *name; + bfd_vma bitpos; + bfd_vma bitsize; + enum debug_visibility visibility; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int size; + boolean unsignedp; + boolean referencep; + boolean localp; + unsigned int indx; + bfd_vma offset; + + assert (info->type_stack != NULL + && info->type_stack->next != NULL + && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); + + /* If we are ignoring this struct definition, just pop and ignore + the type. */ + if (info->type_stack->next->type.ignorep) + { + ieee_pop_unused_type (info); + return true; + } + + size = info->type_stack->type.size; + unsignedp = info->type_stack->type.unsignedp; + referencep = info->type_stack->type.referencep; + localp = info->type_stack->type.localp; + indx = ieee_pop_type (info); + + if (localp) + info->type_stack->type.localp = true; + + if (info->type_stack->type.classdef != NULL) + { + unsigned int flags; + unsigned int nindx; + + /* This is a class. We must add a description of this field to + the class records we are building. */ + + flags = ieee_vis_to_flags (visibility); + nindx = info->type_stack->type.classdef->indx; + if (! ieee_change_buffer (info, + &info->type_stack->type.classdef->pmiscbuf) + || ! ieee_write_asn (info, nindx, 'd') + || ! ieee_write_asn (info, nindx, flags) + || ! ieee_write_atn65 (info, nindx, name) + || ! ieee_write_atn65 (info, nindx, name)) + return false; + info->type_stack->type.classdef->pmisccount += 4; + + if (referencep) + { + unsigned int nindx; + + /* We need to output a record recording that this field is + really of reference type. We put this on the refs field + of classdef, so that it can be appended to the C++ + records after the class is defined. */ + + nindx = info->name_indx; + ++info->name_indx; + + if (! ieee_change_buffer (info, + &info->type_stack->type.classdef->refs) + || ! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, nindx) + || ! ieee_write_id (info, "") + || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, nindx) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 62) + || ! ieee_write_number (info, 80) + || ! ieee_write_number (info, 4) + || ! ieee_write_asn (info, nindx, 'R') + || ! ieee_write_asn (info, nindx, 3) + || ! ieee_write_atn65 (info, nindx, info->type_stack->type.name) + || ! ieee_write_atn65 (info, nindx, name)) + return false; + } + } + + /* If the bitsize doesn't match the expected size, we need to output + a bitfield type. */ + if (size == 0 || bitsize == 0 || bitsize == size * 8) + offset = bitpos / 8; + else + { + if (! ieee_define_type (info, 0, unsignedp, + info->type_stack->type.localp) + || ! ieee_write_number (info, 'g') + || ! ieee_write_number (info, unsignedp ? 0 : 1) + || ! ieee_write_number (info, bitsize) + || ! ieee_write_number (info, indx)) + return false; + indx = ieee_pop_type (info); + offset = bitpos; + } + + /* Switch to the struct we are building in order to output this + field definition. */ + return (ieee_change_buffer (info, &info->type_stack->type.strdef) + && ieee_write_id (info, name) + && ieee_write_number (info, indx) + && ieee_write_number (info, offset)); +} + +/* Finish up a struct type. */ + +static boolean +ieee_end_struct_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + struct ieee_buflist *pb; + + assert (info->type_stack != NULL + && ! ieee_buffer_emptyp (&info->type_stack->type.strdef)); + + /* If we were ignoring this struct definition because it was a + duplicate defintion, just through away whatever bytes we have + accumulated. Leave the type on the stack. */ + if (info->type_stack->type.ignorep) + return true; + + /* If this is not a duplicate definition of this tag, then localp + will be false, and we can put it in the global type block. + FIXME: We should avoid outputting duplicate definitions which are + the same. */ + if (! info->type_stack->type.localp) + { + /* Make sure we have started the global type block. */ + if (ieee_buffer_emptyp (&info->global_types)) + { + if (! ieee_change_buffer (info, &info->global_types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 2) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "")) + return false; + } + pb = &info->global_types; + } + else + { + /* Make sure we have started the types block. */ + if (ieee_buffer_emptyp (&info->types)) + { + if (! ieee_change_buffer (info, &info->types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 1) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname)) + return false; + } + pb = &info->types; + } + + /* Append the struct definition to the types. */ + if (! ieee_append_buffer (info, pb, &info->type_stack->type.strdef) + || ! ieee_init_buffer (info, &info->type_stack->type.strdef)) + return false; + + /* Leave the struct on the type stack. */ + + return true; +} + +/* Start a class type. */ + +static boolean +ieee_start_class_type (p, tag, id, structp, size, vptr, ownvptr) + PTR p; + const char *tag; + unsigned int id; + boolean structp; + unsigned int size; + boolean vptr; + boolean ownvptr; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + const char *vclass; + struct ieee_buflist pmiscbuf; + unsigned int indx; + struct ieee_type_class *classdef; + + /* A C++ class is output as a C++ struct along with a set of pmisc + records describing the class. */ + + /* We need to have a name so that we can associate the struct and + the class. */ + if (tag == NULL) + { + char *t; + + t = (char *) xmalloc (20); + sprintf (t, "__anon%u", id); + tag = t; + } + + /* We can't write out the virtual table information until we have + finished the class, because we don't know the virtual table size. + We get the size from the largest voffset we see. */ + vclass = NULL; + if (vptr && ! ownvptr) + { + vclass = info->type_stack->type.name; + assert (vclass != NULL); + /* We don't call ieee_pop_unused_type, since the class should + get defined. */ + (void) ieee_pop_type (info); + } + + if (! ieee_start_struct_type (p, tag, id, structp, size)) + return false; + + indx = info->name_indx; + ++info->name_indx; + + /* We write out pmisc records into the classdef field. We will + write out the pmisc start after we know the number of records we + need. */ + if (! ieee_init_buffer (info, &pmiscbuf) + || ! ieee_change_buffer (info, &pmiscbuf) + || ! ieee_write_asn (info, indx, 'T') + || ! ieee_write_asn (info, indx, structp ? 'o' : 'u') + || ! ieee_write_atn65 (info, indx, tag)) + return false; + + classdef = (struct ieee_type_class *) xmalloc (sizeof *classdef); + memset (classdef, 0, sizeof *classdef); + + classdef->indx = indx; + classdef->pmiscbuf = pmiscbuf; + classdef->pmisccount = 3; + classdef->vclass = vclass; + classdef->ownvptr = ownvptr; + + info->type_stack->type.classdef = classdef; + + return true; +} + +/* Add a static member to a class. */ + +static boolean +ieee_class_static_member (p, name, physname, visibility) + PTR p; + const char *name; + const char *physname; + enum debug_visibility visibility; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int flags; + unsigned int nindx; + + /* We don't care about the type. Hopefully there will be a call to + ieee_variable declaring the physical name and the type, since + that is where an IEEE consumer must get the type. */ + ieee_pop_unused_type (info); + + assert (info->type_stack != NULL + && info->type_stack->type.classdef != NULL); + + flags = ieee_vis_to_flags (visibility); + flags |= CXXFLAGS_STATIC; + + nindx = info->type_stack->type.classdef->indx; + + if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) + || ! ieee_write_asn (info, nindx, 'd') + || ! ieee_write_asn (info, nindx, flags) + || ! ieee_write_atn65 (info, nindx, name) + || ! ieee_write_atn65 (info, nindx, physname)) + return false; + info->type_stack->type.classdef->pmisccount += 4; + + return true; +} + +/* Add a base class to a class. */ + +static boolean +ieee_class_baseclass (p, bitpos, virtual, visibility) + PTR p; + bfd_vma bitpos; + boolean virtual; + enum debug_visibility visibility; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + const char *bname; + boolean localp; + unsigned int bindx; + char *fname; + unsigned int flags; + unsigned int nindx; + + assert (info->type_stack != NULL + && info->type_stack->type.name != NULL + && info->type_stack->next != NULL + && info->type_stack->next->type.classdef != NULL + && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); + + bname = info->type_stack->type.name; + localp = info->type_stack->type.localp; + bindx = ieee_pop_type (info); + + /* We are currently defining both a struct and a class. We must + write out a field definition in the struct which holds the base + class. The stabs debugging reader will create a field named + _vb$CLASS for a virtual base class, so we just use that. FIXME: + we should not depend upon a detail of stabs debugging. */ + if (virtual) + { + fname = (char *) xmalloc (strlen (bname) + sizeof "_vb$"); + sprintf (fname, "_vb$%s", bname); + flags = BASEFLAGS_VIRTUAL; + } + else + { + if (localp) + info->type_stack->type.localp = true; + + fname = (char *) xmalloc (strlen (bname) + sizeof "_b$"); + sprintf (fname, "_b$%s", bname); + + if (! ieee_change_buffer (info, &info->type_stack->type.strdef) + || ! ieee_write_id (info, fname) + || ! ieee_write_number (info, bindx) + || ! ieee_write_number (info, bitpos / 8)) + return false; + flags = 0; + } + + if (visibility == DEBUG_VISIBILITY_PRIVATE) + flags |= BASEFLAGS_PRIVATE; + + nindx = info->type_stack->type.classdef->indx; + + if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) + || ! ieee_write_asn (info, nindx, 'b') + || ! ieee_write_asn (info, nindx, flags) + || ! ieee_write_atn65 (info, nindx, bname) + || ! ieee_write_asn (info, nindx, 0) + || ! ieee_write_atn65 (info, nindx, fname)) + return false; + info->type_stack->type.classdef->pmisccount += 5; + + free (fname); + + return true; +} + +/* Start building a method for a class. */ + +static boolean +ieee_class_start_method (p, name) + PTR p; + const char *name; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + assert (info->type_stack != NULL + && info->type_stack->type.classdef != NULL + && info->type_stack->type.classdef->method == NULL); + + info->type_stack->type.classdef->method = name; + + return true; +} + +/* Define a new method variant, either static or not. */ + +static boolean +ieee_class_method_var (info, physname, visibility, staticp, constp, + volatilep, voffset, context) + struct ieee_handle *info; + const char *physname; + enum debug_visibility visibility; + boolean staticp; + boolean constp; + boolean volatilep; + bfd_vma voffset; + boolean context; +{ + unsigned int flags; + unsigned int nindx; + boolean virtual; + + /* We don't need the type of the method. An IEEE consumer which + wants the type must track down the function by the physical name + and get the type from that. */ + ieee_pop_unused_type (info); + + /* We don't use the context. FIXME: We probably ought to use it to + adjust the voffset somehow, but I don't really know how. */ + if (context) + ieee_pop_unused_type (info); + + assert (info->type_stack != NULL + && info->type_stack->type.classdef != NULL + && info->type_stack->type.classdef->method != NULL); + + flags = ieee_vis_to_flags (visibility); + + /* FIXME: We never set CXXFLAGS_OVERRIDE, CXXFLAGS_OPERATOR, + CXXFLAGS_CTORDTOR, CXXFLAGS_CTOR, or CXXFLAGS_INLINE. */ + + if (staticp) + flags |= CXXFLAGS_STATIC; + if (constp) + flags |= CXXFLAGS_CONST; + if (volatilep) + flags |= CXXFLAGS_VOLATILE; + + nindx = info->type_stack->type.classdef->indx; + + virtual = context || voffset > 0; + + if (! ieee_change_buffer (info, + &info->type_stack->type.classdef->pmiscbuf) + || ! ieee_write_asn (info, nindx, virtual ? 'v' : 'm') + || ! ieee_write_asn (info, nindx, flags) + || ! ieee_write_atn65 (info, nindx, + info->type_stack->type.classdef->method) + || ! ieee_write_atn65 (info, nindx, physname)) + return false; + + if (virtual) + { + if (voffset > info->type_stack->type.classdef->voffset) + info->type_stack->type.classdef->voffset = voffset; + if (! ieee_write_asn (info, nindx, voffset)) + return false; + ++info->type_stack->type.classdef->pmisccount; + } + + if (! ieee_write_asn (info, nindx, 0)) + return false; + + info->type_stack->type.classdef->pmisccount += 5; + + return true; +} + +/* Define a new method variant. */ + +static boolean +ieee_class_method_variant (p, physname, visibility, constp, volatilep, + voffset, context) + PTR p; + const char *physname; + enum debug_visibility visibility; + boolean constp; + boolean volatilep; + bfd_vma voffset; + boolean context; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + return ieee_class_method_var (info, physname, visibility, false, constp, + volatilep, voffset, context); +} + +/* Define a new static method variant. */ + +static boolean +ieee_class_static_method_variant (p, physname, visibility, constp, volatilep) + PTR p; + const char *physname; + enum debug_visibility visibility; + boolean constp; + boolean volatilep; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + return ieee_class_method_var (info, physname, visibility, true, constp, + volatilep, 0, false); +} + +/* Finish up a method. */ + +static boolean +ieee_class_end_method (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + assert (info->type_stack != NULL + && info->type_stack->type.classdef != NULL + && info->type_stack->type.classdef->method != NULL); + + info->type_stack->type.classdef->method = NULL; + + return true; +} + +/* Finish up a class. */ + +static boolean +ieee_end_class_type (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int nindx; + + assert (info->type_stack != NULL + && info->type_stack->type.classdef != NULL); + + /* If we were ignoring this class definition because it was a + duplicate definition, just through away whatever bytes we have + accumulated. Leave the type on the stack. */ + if (info->type_stack->type.ignorep) + return true; + + nindx = info->type_stack->type.classdef->indx; + + /* If we have a virtual table, we can write out the information now. */ + if (info->type_stack->type.classdef->vclass != NULL + || info->type_stack->type.classdef->ownvptr) + { + if (! ieee_change_buffer (info, + &info->type_stack->type.classdef->pmiscbuf) + || ! ieee_write_asn (info, nindx, 'z') + || ! ieee_write_atn65 (info, nindx, "") + || ! ieee_write_asn (info, nindx, + info->type_stack->type.classdef->voffset)) + return false; + if (info->type_stack->type.classdef->ownvptr) + { + if (! ieee_write_atn65 (info, nindx, "")) + return false; + } + else + { + if (! ieee_write_atn65 (info, nindx, + info->type_stack->type.classdef->vclass)) + return false; + } + if (! ieee_write_asn (info, nindx, 0)) + return false; + info->type_stack->type.classdef->pmisccount += 5; + } + + /* Now that we know the number of pmisc records, we can write out + the atn62 which starts the pmisc records, and append them to the + C++ buffers. */ + + if (! ieee_change_buffer (info, &info->cxx) + || ! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, nindx) + || ! ieee_write_id (info, "") + || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, nindx) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 62) + || ! ieee_write_number (info, 80) + || ! ieee_write_number (info, + info->type_stack->type.classdef->pmisccount)) + return false; + + if (! ieee_append_buffer (info, &info->cxx, + &info->type_stack->type.classdef->pmiscbuf)) + return false; + if (! ieee_buffer_emptyp (&info->type_stack->type.classdef->refs)) + { + if (! ieee_append_buffer (info, &info->cxx, + &info->type_stack->type.classdef->refs)) + return false; + } + + return ieee_end_struct_type (p); +} + +/* Push a previously seen typedef onto the type stack. */ + +static boolean +ieee_typedef_type (p, name) + PTR p; + const char *name; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + struct ieee_name_type_hash_entry *h; + struct ieee_name_type *nt; + + h = ieee_name_type_hash_lookup (&info->typedefs, name, false, false); + + /* h should never be NULL, since that would imply that the generic + debugging code has asked for a typedef which it has not yet + defined. */ + assert (h != NULL); + + /* We always use the most recently defined type for this name, which + will be the first one on the list. */ + + nt = h->types; + if (! ieee_push_type (info, nt->type.indx, nt->type.size, + nt->type.unsignedp, nt->type.localp)) + return false; + + /* Copy over any other type information we may have. */ + info->type_stack->type = nt->type; + + return true; +} + +/* Push a tagged type onto the type stack. */ + +static boolean +ieee_tag_type (p, name, id, kind) + PTR p; + const char *name; + unsigned int id; + enum debug_type_kind kind; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + boolean localp; + boolean copy; + char ab[20]; + struct ieee_name_type_hash_entry *h; + struct ieee_name_type *nt; + + if (kind == DEBUG_KIND_ENUM) + { + struct ieee_defined_enum *e; + + if (name == NULL) + abort (); + for (e = info->enums; e != NULL; e = e->next) + if (e->tag != NULL && strcmp (e->tag, name) == 0) + return ieee_push_type (info, e->indx, 0, true, false); + abort (); + } + + localp = false; + + copy = false; + if (name == NULL) + { + sprintf (ab, "__anon%u", id); + name = ab; + copy = true; + } + + h = ieee_name_type_hash_lookup (&info->tags, name, true, copy); + if (h == NULL) + return false; + + for (nt = h->types; nt != NULL; nt = nt->next) + { + if (nt->id == id) + { + if (! ieee_push_type (info, nt->type.indx, nt->type.size, + nt->type.unsignedp, nt->type.localp)) + return false; + /* Copy over any other type information we may have. */ + info->type_stack->type = nt->type; + return true; + } + + if (! nt->type.localp) + { + /* This is a duplicate of a global type, so it must be + local. */ + localp = true; + } + } + + nt = (struct ieee_name_type *) xmalloc (sizeof *nt); + memset (nt, 0, sizeof *nt); + + nt->id = id; + nt->type.name = h->root.string; + nt->type.indx = info->type_indx; + nt->type.localp = localp; + ++info->type_indx; + nt->kind = kind; + + nt->next = h->types; + h->types = nt; + + if (! ieee_push_type (info, nt->type.indx, 0, false, localp)) + return false; + + info->type_stack->type.name = h->root.string; + + return true; +} + +/* Output a typedef. */ + +static boolean +ieee_typdef (p, name) + PTR p; + const char *name; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + struct ieee_write_type type; + unsigned int indx; + boolean found; + boolean localp; + struct ieee_name_type_hash_entry *h; + struct ieee_name_type *nt; + + type = info->type_stack->type; + indx = type.indx; + + /* If this is a simple builtin type using a builtin name, we don't + want to output the typedef itself. We also want to change the + type index to correspond to the name being used. We recognize + names used in stabs debugging output even if they don't exactly + correspond to the names used for the IEEE builtin types. */ + found = false; + if (indx <= (unsigned int) builtin_bcd_float) + { + switch ((enum builtin_types) indx) + { + default: + break; + + case builtin_void: + if (strcmp (name, "void") == 0) + found = true; + break; + + case builtin_signed_char: + case builtin_char: + if (strcmp (name, "signed char") == 0) + { + indx = (unsigned int) builtin_signed_char; + found = true; + } + else if (strcmp (name, "char") == 0) + { + indx = (unsigned int) builtin_char; + found = true; + } + break; + + case builtin_unsigned_char: + if (strcmp (name, "unsigned char") == 0) + found = true; + break; + + case builtin_signed_short_int: + case builtin_short: + case builtin_short_int: + case builtin_signed_short: + if (strcmp (name, "signed short int") == 0) + { + indx = (unsigned int) builtin_signed_short_int; + found = true; + } + else if (strcmp (name, "short") == 0) + { + indx = (unsigned int) builtin_short; + found = true; + } + else if (strcmp (name, "short int") == 0) + { + indx = (unsigned int) builtin_short_int; + found = true; + } + else if (strcmp (name, "signed short") == 0) + { + indx = (unsigned int) builtin_signed_short; + found = true; + } + break; + + case builtin_unsigned_short_int: + case builtin_unsigned_short: + if (strcmp (name, "unsigned short int") == 0 + || strcmp (name, "short unsigned int") == 0) + { + indx = builtin_unsigned_short_int; + found = true; + } + else if (strcmp (name, "unsigned short") == 0) + { + indx = builtin_unsigned_short; + found = true; + } + break; + + case builtin_signed_long: + case builtin_int: /* FIXME: Size depends upon architecture. */ + case builtin_long: + if (strcmp (name, "signed long") == 0) + { + indx = builtin_signed_long; + found = true; + } + else if (strcmp (name, "int") == 0) + { + indx = builtin_int; + found = true; + } + else if (strcmp (name, "long") == 0 + || strcmp (name, "long int") == 0) + { + indx = builtin_long; + found = true; + } + break; + + case builtin_unsigned_long: + case builtin_unsigned: /* FIXME: Size depends upon architecture. */ + case builtin_unsigned_int: /* FIXME: Like builtin_unsigned. */ + if (strcmp (name, "unsigned long") == 0 + || strcmp (name, "long unsigned int") == 0) + { + indx = builtin_unsigned_long; + found = true; + } + else if (strcmp (name, "unsigned") == 0) + { + indx = builtin_unsigned; + found = true; + } + else if (strcmp (name, "unsigned int") == 0) + { + indx = builtin_unsigned_int; + found = true; + } + break; + + case builtin_signed_long_long: + if (strcmp (name, "signed long long") == 0 + || strcmp (name, "long long int") == 0) + found = true; + break; + + case builtin_unsigned_long_long: + if (strcmp (name, "unsigned long long") == 0 + || strcmp (name, "long long unsigned int") == 0) + found = true; + break; + + case builtin_float: + if (strcmp (name, "float") == 0) + found = true; + break; + + case builtin_double: + if (strcmp (name, "double") == 0) + found = true; + break; + + case builtin_long_double: + if (strcmp (name, "long double") == 0) + found = true; + break; + + case builtin_long_long_double: + if (strcmp (name, "long long double") == 0) + found = true; + break; + } + + if (found) + type.indx = indx; + } + + h = ieee_name_type_hash_lookup (&info->typedefs, name, true, false); + if (h == NULL) + return false; + + /* See if we have already defined this type with this name. */ + localp = type.localp; + for (nt = h->types; nt != NULL; nt = nt->next) + { + if (nt->id == indx) + { + /* If this is a global definition, then we don't need to + do anything here. */ + if (! nt->type.localp) + { + ieee_pop_unused_type (info); + return true; + } + } + else + { + /* This is a duplicate definition, so make this one local. */ + localp = true; + } + } + + /* We need to add a new typedef for this type. */ + + nt = (struct ieee_name_type *) xmalloc (sizeof *nt); + memset (nt, 0, sizeof *nt); + nt->id = indx; + nt->type = type; + nt->type.name = name; + nt->type.localp = localp; + nt->kind = DEBUG_KIND_ILLEGAL; + + nt->next = h->types; + h->types = nt; + + if (found) + { + /* This is one of the builtin typedefs, so we don't need to + actually define it. */ + ieee_pop_unused_type (info); + return true; + } + + indx = ieee_pop_type (info); + + if (! ieee_define_named_type (info, name, (unsigned int) -1, type.size, + type.unsignedp, localp, + (struct ieee_buflist *) NULL) + || ! ieee_write_number (info, 'T') + || ! ieee_write_number (info, indx)) + return false; + + /* Remove the type we just added to the type stack. This should not + be ieee_pop_unused_type, since the type is used, we just don't + need it now. */ + (void) ieee_pop_type (info); + + return true; +} + +/* Output a tag for a type. We don't have to do anything here. */ + +static boolean +ieee_tag (p, name) + PTR p; + const char *name; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + /* This should not be ieee_pop_unused_type, since we want the type + to be defined. */ + (void) ieee_pop_type (info); + return true; +} + +/* Output an integer constant. */ + +static boolean +ieee_int_constant (p, name, val) + PTR p; + const char *name; + bfd_vma val; +{ + /* FIXME. */ + return true; +} + +/* Output a floating point constant. */ + +static boolean +ieee_float_constant (p, name, val) + PTR p; + const char *name; + double val; +{ + /* FIXME. */ + return true; +} + +/* Output a typed constant. */ + +static boolean +ieee_typed_constant (p, name, val) + PTR p; + const char *name; + bfd_vma val; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + /* FIXME. */ + ieee_pop_unused_type (info); + return true; +} + +/* Output a variable. */ + +static boolean +ieee_variable (p, name, kind, val) + PTR p; + const char *name; + enum debug_var_kind kind; + bfd_vma val; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + unsigned int name_indx; + unsigned int size; + boolean referencep; + unsigned int type_indx; + boolean asn; + int refflag; + + size = info->type_stack->type.size; + referencep = info->type_stack->type.referencep; + type_indx = ieee_pop_type (info); + + assert (! ieee_buffer_emptyp (&info->vars)); + if (! ieee_change_buffer (info, &info->vars)) + return false; + + name_indx = info->name_indx; + ++info->name_indx; + + /* Write out an NN and an ATN record for this variable. */ + if (! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, name_indx) + || ! ieee_write_id (info, name) + || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, name_indx) + || ! ieee_write_number (info, type_indx)) + return false; + switch (kind) + { + default: + abort (); + return false; + case DEBUG_GLOBAL: + if (! ieee_write_number (info, 8) + || ! ieee_add_range (info, false, val, val + size)) + return false; + refflag = 0; + asn = true; + break; + case DEBUG_STATIC: + if (! ieee_write_number (info, 3) + || ! ieee_add_range (info, false, val, val + size)) + return false; + refflag = 1; + asn = true; + break; + case DEBUG_LOCAL_STATIC: + if (! ieee_write_number (info, 3) + || ! ieee_add_range (info, false, val, val + size)) + return false; + refflag = 2; + asn = true; + break; + case DEBUG_LOCAL: + if (! ieee_write_number (info, 1) + || ! ieee_write_number (info, val)) + return false; + refflag = 2; + asn = false; + break; + case DEBUG_REGISTER: + if (! ieee_write_number (info, 2) + || ! ieee_write_number (info, + ieee_genreg_to_regno (info->abfd, val))) + return false; + refflag = 2; + asn = false; + break; + } + + if (asn) + { + if (! ieee_write_asn (info, name_indx, val)) + return false; + } + + /* If this is really a reference type, then we just output it with + pointer type, and must now output a C++ record indicating that it + is really reference type. */ + if (referencep) + { + unsigned int nindx; + + nindx = info->name_indx; + ++info->name_indx; + + /* If this is a global variable, we want to output the misc + record in the C++ misc record block. Otherwise, we want to + output it just after the variable definition, which is where + the current buffer is. */ + if (refflag != 2) + { + if (! ieee_change_buffer (info, &info->cxx)) + return false; + } + + if (! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, nindx) + || ! ieee_write_id (info, "") + || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, nindx) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 62) + || ! ieee_write_number (info, 80) + || ! ieee_write_number (info, 3) + || ! ieee_write_asn (info, nindx, 'R') + || ! ieee_write_asn (info, nindx, refflag) + || ! ieee_write_atn65 (info, nindx, name)) + return false; + } + + return true; +} + +/* Start outputting information for a function. */ + +static boolean +ieee_start_function (p, name, global) + PTR p; + const char *name; + boolean global; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + boolean referencep; + unsigned int retindx, typeindx; + + referencep = info->type_stack->type.referencep; + retindx = ieee_pop_type (info); + + /* Besides recording a BB4 or BB6 block, we record the type of the + function in the BB1 typedef block. We can't write out the full + type until we have seen all the parameters, so we accumulate it + in info->fntype and info->fnargs. */ + if (! ieee_buffer_emptyp (&info->fntype)) + { + /* FIXME: This might happen someday if we support nested + functions. */ + abort (); + } + + info->fnname = name; + + /* An attribute of 0x40 means that the push mask is unknown. */ + if (! ieee_define_named_type (info, name, (unsigned int) -1, 0, false, true, + &info->fntype) + || ! ieee_write_number (info, 'x') + || ! ieee_write_number (info, 0x40) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, retindx)) + return false; + + typeindx = ieee_pop_type (info); + + if (! ieee_init_buffer (info, &info->fnargs)) + return false; + info->fnargcount = 0; + + /* If the function return value is actually a reference type, we + must add a record indicating that. */ + if (referencep) + { + unsigned int nindx; + + nindx = info->name_indx; + ++info->name_indx; + if (! ieee_change_buffer (info, &info->cxx) + || ! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, nindx) + || ! ieee_write_id (info, "") + || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, nindx) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 62) + || ! ieee_write_number (info, 80) + || ! ieee_write_number (info, 3) + || ! ieee_write_asn (info, nindx, 'R') + || ! ieee_write_asn (info, nindx, global ? 0 : 1) + || ! ieee_write_atn65 (info, nindx, name)) + return false; + } + + assert (! ieee_buffer_emptyp (&info->vars)); + if (! ieee_change_buffer (info, &info->vars)) + return false; + + /* The address is written out as the first block. */ + + ++info->block_depth; + + return (ieee_write_byte (info, (int) ieee_bb_record_enum) + && ieee_write_byte (info, global ? 4 : 6) + && ieee_write_number (info, 0) + && ieee_write_id (info, name) + && ieee_write_number (info, 0) + && ieee_write_number (info, typeindx)); +} + +/* Add a function parameter. This will normally be called before the + first block, so we postpone them until we see the block. */ + +static boolean +ieee_function_parameter (p, name, kind, val) + PTR p; + const char *name; + enum debug_parm_kind kind; + bfd_vma val; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + struct ieee_pending_parm *m, **pm; + + assert (info->block_depth == 1); + + m = (struct ieee_pending_parm *) xmalloc (sizeof *m); + memset (m, 0, sizeof *m); + + m->next = NULL; + m->name = name; + m->referencep = info->type_stack->type.referencep; + m->type = ieee_pop_type (info); + m->kind = kind; + m->val = val; + + for (pm = &info->pending_parms; *pm != NULL; pm = &(*pm)->next) + ; + *pm = m; + + /* Add the type to the fnargs list. */ + if (! ieee_change_buffer (info, &info->fnargs) + || ! ieee_write_number (info, m->type)) + return false; + ++info->fnargcount; + + return true; +} + +/* Output pending function parameters. */ + +static boolean +ieee_output_pending_parms (info) + struct ieee_handle *info; +{ + struct ieee_pending_parm *m; + unsigned int refcount; + + refcount = 0; + for (m = info->pending_parms; m != NULL; m = m->next) + { + enum debug_var_kind vkind; + + switch (m->kind) + { + default: + abort (); + return false; + case DEBUG_PARM_STACK: + case DEBUG_PARM_REFERENCE: + vkind = DEBUG_LOCAL; + break; + case DEBUG_PARM_REG: + case DEBUG_PARM_REF_REG: + vkind = DEBUG_REGISTER; + break; + } + + if (! ieee_push_type (info, m->type, 0, false, false)) + return false; + info->type_stack->type.referencep = m->referencep; + if (m->referencep) + ++refcount; + if (! ieee_variable ((PTR) info, m->name, vkind, m->val)) + return false; + } + + /* If there are any reference parameters, we need to output a + miscellaneous record indicating them. */ + if (refcount > 0) + { + unsigned int nindx, varindx; + + /* FIXME: The MRI compiler outputs the demangled function name + here, but we are outputting the mangled name. */ + nindx = info->name_indx; + ++info->name_indx; + if (! ieee_change_buffer (info, &info->vars) + || ! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, nindx) + || ! ieee_write_id (info, "") + || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, nindx) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 62) + || ! ieee_write_number (info, 80) + || ! ieee_write_number (info, refcount + 3) + || ! ieee_write_asn (info, nindx, 'B') + || ! ieee_write_atn65 (info, nindx, info->fnname) + || ! ieee_write_asn (info, nindx, 0)) + return false; + for (m = info->pending_parms, varindx = 1; + m != NULL; + m = m->next, varindx++) + { + if (m->referencep) + { + if (! ieee_write_asn (info, nindx, varindx)) + return false; + } + } + } + + m = info->pending_parms; + while (m != NULL) + { + struct ieee_pending_parm *next; + + next = m->next; + free (m); + m = next; + } + + info->pending_parms = NULL; + + return true; +} + +/* Start a block. If this is the first block, we output the address + to finish the BB4 or BB6, and then output the function parameters. */ + +static boolean +ieee_start_block (p, addr) + PTR p; + bfd_vma addr; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + if (! ieee_change_buffer (info, &info->vars)) + return false; + + if (info->block_depth == 1) + { + if (! ieee_write_number (info, addr) + || ! ieee_output_pending_parms (info)) + return false; + } + else + { + if (! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 6) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, "") + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, addr)) + return false; + } + + if (! ieee_start_range (info, addr)) + return false; + + ++info->block_depth; + + return true; +} + +/* End a block. */ + +static boolean +ieee_end_block (p, addr) + PTR p; + bfd_vma addr; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + /* The address we are given is the end of the block, but IEEE seems + to want to the address of the last byte in the block, so we + subtract one. */ + if (! ieee_change_buffer (info, &info->vars) + || ! ieee_write_byte (info, (int) ieee_be_record_enum) + || ! ieee_write_number (info, addr - 1)) + return false; + + if (! ieee_end_range (info, addr)) + return false; + + --info->block_depth; + + if (addr > info->highaddr) + info->highaddr = addr; + + return true; +} + +/* End a function. */ + +static boolean +ieee_end_function (p) + PTR p; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + assert (info->block_depth == 1); + + --info->block_depth; + + /* Now we can finish up fntype, and add it to the typdef section. + At this point, fntype is the 'x' type up to the argument count, + and fnargs is the argument types. We must add the argument + count, and we must add the level. FIXME: We don't record varargs + functions correctly. In fact, stabs debugging does not give us + enough information to do so. */ + if (! ieee_change_buffer (info, &info->fntype) + || ! ieee_write_number (info, info->fnargcount) + || ! ieee_change_buffer (info, &info->fnargs) + || ! ieee_write_number (info, 0)) + return false; + + /* Make sure the typdef block has been started. */ + if (ieee_buffer_emptyp (&info->types)) + { + if (! ieee_change_buffer (info, &info->types) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 1) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->modname)) + return false; + } + + if (! ieee_append_buffer (info, &info->types, &info->fntype) + || ! ieee_append_buffer (info, &info->types, &info->fnargs)) + return false; + + info->fnname = NULL; + if (! ieee_init_buffer (info, &info->fntype) + || ! ieee_init_buffer (info, &info->fnargs)) + return false; + info->fnargcount = 0; + + return true; +} + +/* Record line number information. */ + +static boolean +ieee_lineno (p, filename, lineno, addr) + PTR p; + const char *filename; + unsigned long lineno; + bfd_vma addr; +{ + struct ieee_handle *info = (struct ieee_handle *) p; + + assert (info->filename != NULL); + + /* The HP simulator seems to get confused when more than one line is + listed for the same address, at least if they are in different + files. We handle this by always listing the last line for a + given address, since that seems to be the one that gdb uses. */ + if (info->pending_lineno_filename != NULL + && addr != info->pending_lineno_addr) + { + /* Make sure we have a line number block. */ + if (! ieee_buffer_emptyp (&info->linenos)) + { + if (! ieee_change_buffer (info, &info->linenos)) + return false; + } + else + { + info->lineno_name_indx = info->name_indx; + ++info->name_indx; + if (! ieee_change_buffer (info, &info->linenos) + || ! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 5) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->filename) + || ! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, info->lineno_name_indx) + || ! ieee_write_id (info, "")) + return false; + info->lineno_filename = info->filename; + } + + if (strcmp (info->pending_lineno_filename, info->lineno_filename) != 0) + { + if (strcmp (info->filename, info->lineno_filename) != 0) + { + /* We were not in the main file. Close the block for the + included file. */ + if (! ieee_write_byte (info, (int) ieee_be_record_enum)) + return false; + if (strcmp (info->filename, info->pending_lineno_filename) == 0) + { + /* We need a new NN record, and we aren't about to + output one. */ + info->lineno_name_indx = info->name_indx; + ++info->name_indx; + if (! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, info->lineno_name_indx) + || ! ieee_write_id (info, "")) + return false; + } + } + if (strcmp (info->filename, info->pending_lineno_filename) != 0) + { + /* We are not changing to the main file. Open a block for + the new included file. */ + info->lineno_name_indx = info->name_indx; + ++info->name_indx; + if (! ieee_write_byte (info, (int) ieee_bb_record_enum) + || ! ieee_write_byte (info, 5) + || ! ieee_write_number (info, 0) + || ! ieee_write_id (info, info->pending_lineno_filename) + || ! ieee_write_byte (info, (int) ieee_nn_record) + || ! ieee_write_number (info, info->lineno_name_indx) + || ! ieee_write_id (info, "")) + return false; + } + info->lineno_filename = info->pending_lineno_filename; + } + + if (! ieee_write_2bytes (info, (int) ieee_atn_record_enum) + || ! ieee_write_number (info, info->lineno_name_indx) + || ! ieee_write_number (info, 0) + || ! ieee_write_number (info, 7) + || ! ieee_write_number (info, info->pending_lineno) + || ! ieee_write_number (info, 0) + || ! ieee_write_asn (info, info->lineno_name_indx, + info->pending_lineno_addr)) + return false; + } + + info->pending_lineno_filename = filename; + info->pending_lineno = lineno; + info->pending_lineno_addr = addr; + + return true; +} |