/* Operating system specific defines to be used when targeting GCC for NeXTSTEP. Copyright (C) 1989, 90-93, 1996, 1997 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC 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, or (at your option) any later version. GNU CC 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 GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Use new NeXT include file search path. In a cross compiler with NeXT as target, don't expect the host to use Next's directory scheme. */ #ifndef CROSS_COMPILE #undef INCLUDE_DEFAULTS #define INCLUDE_DEFAULTS \ { \ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \ { LOCAL_INCLUDE_DIR, 0, 0, 1 }, \ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1 }, \ { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \ /* These are for fixincludes-fixed ansi/bsd headers \ which wouldn't be found otherwise. \ (The use of string catenation here is OK since \ NeXT's native compiler is derived from GCC.) */ \ { GCC_INCLUDE_DIR "/ansi", 0, 0, 0 }, \ { GCC_INCLUDE_DIR "/bsd", 0, 0, 0 }, \ { "/NextDeveloper/Headers", 0, 0, 0 }, \ { "/NextDeveloper/Headers/ansi", 0, 0, 0 }, \ { "/NextDeveloper/Headers/bsd", 0, 0, 0 }, \ { "/LocalDeveloper/Headers", 0, 0, 0 }, \ { "/LocalDeveloper/Headers/ansi", 0, 0, 0 }, \ { "/LocalDeveloper/Headers/bsd", 0, 0, 0 }, \ { "/NextDeveloper/2.0CompatibleHeaders", 0, 0, 0 }, \ { STANDARD_INCLUDE_DIR, 0, 0, 0 }, \ { "/usr/include/bsd", 0, 0, 0 }, \ { 0, 0, 0, 0 } \ } #else /* CROSS_COMPILE */ #undef INCLUDE_DEFAULTS #define INCLUDE_DEFAULTS \ { \ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \ { GPLUSPLUS_INCLUDE_DIR, 0, 1, 1 }, \ { LOCAL_INCLUDE_DIR, 0, 0, 1 }, \ { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \ { GCC_INCLUDE_DIR "/ansi", 0, 0, 0 }, \ { GCC_INCLUDE_DIR "/bsd", 0, 0, 0 }, \ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1 }, \ { TOOL_INCLUDE_DIR "/ansi", 0, 0, 0 }, \ { TOOL_INCLUDE_DIR "/bsd", 0, 0, 0 }, \ { STANDARD_INCLUDE_DIR, 0, 0, 0 }, \ { "/usr/include/bsd", 0, 0, 0 }, \ { 0, 0, 0, 0 } \ } #endif /* CROSS_COMPILE */ #undef EXTRA_FORMAT_FUNCTIONS #define EXTRA_FORMAT_FUNCTIONS \ "NXPrintf", FALSE, 2, FALSE, \ "NXScanf", TRUE, 2, FALSE, \ "NXVPrintf", FALSE, 2, TRUE, \ "NXVScanf", TRUE, 2, TRUE, \ "DPSPrintf", FALSE, 2, FALSE, \ "bsd_sprintf", FALSE, 2, FALSE, \ "bsd_vsprintf", FALSE, 2, TRUE, /* Make -fnext-runtime the default. */ #define NEXT_OBJC_RUNTIME /* We have atexit. */ #define HAVE_ATEXIT /* Enable recent gcc to compile under the old gcc in Next release 1.0. */ #define __inline inline /* wchar_t is unsigned short */ #undef WCHAR_TYPE #define WCHAR_TYPE "short unsigned int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE (BITS_PER_WORD / 2) /* Don't default to pcc-struct-return, because gcc is the only compiler, and we want to retain compatibility with older gcc versions. */ #undef DEFAULT_PCC_STRUCT_RETURN #define DEFAULT_PCC_STRUCT_RETURN 0 /* These compiler options take n arguments. */ #undef WORD_SWITCH_TAKES_ARG #define WORD_SWITCH_TAKES_ARG(STR) \ (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) ? 1 : \ !strcmp (STR, "segalign") ? 1 : \ !strcmp (STR, "seg1addr") ? 1 : \ !strcmp (STR, "segaddr") ? 2 : \ !strcmp (STR, "sectobjectsymbols") ? 2 : \ !strcmp (STR, "segprot") ? 3 : \ !strcmp (STR, "sectcreate") ? 3 : \ !strcmp (STR, "sectalign") ? 3 : \ !strcmp (STR, "segcreate") ? 3 : \ !strcmp (STR, "sectorder") ? 3 : \ !strcmp (STR, "siff-mask") ? 1 : \ !strcmp (STR, "siff-filter") ? 1 : \ !strcmp (STR, "siff-warning") ? 1 : \ !strcmp (STR, "arch") ? 1 : \ !strcmp (STR, "pagezero_size") ? 1 : \ 0) #undef WORD_SWITCH #define WORD_SWITCH(STR) \ (WORD_SWITCH_TAKES_ARG (STR) \ || !strcmp (STR, "bsd") \ || !strcmp (STR, "object") \ || !strcmp (STR, "ObjC") \ || !strcmp (STR, "all_load")) /* Machine dependent ccp options. */ #undef CPP_SPEC #define CPP_SPEC "%{!traditional: -D__STDC__} \ %{posixstrict:-D_POSIX_SOURCE} \ %{!posixstrict:%{bsd:-D__STRICT_BSD__} \ %{posix:-D_POSIX_SOURCE} \ %{!ansi:-D_NEXT_SOURCE}} \ %{MD:-MD %M} %{MMD:-MMD %M}" /* Machine dependent ld options. */ #undef LINK_SPEC #define LINK_SPEC "%{Z} %{M} \ %{execute*} %{preload*} %{fvmlib*} \ %{segalign*} %{seg1addr*} %{segaddr*} %{segprot*} \ %{pagezero_size*} \ %{seglinkedit*} %{noseglinkedit*} \ %{sectcreate*} %{sectalign*} %{sectobjectsymbols}\ %{segcreate*} %{Mach*} %{whyload} %{w} \ %{sectorder*} %{whatsloaded} %{ObjC} %{all_load} %{object}" /* Machine dependent libraries. */ #undef LIB_SPEC #define LIB_SPEC "%{!posix*:-lsys_s} %{posix*:-lposix}" /* We specify crt0.o as -lcrt0.o so that ld will search the library path. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ "%{!posix*:%{pg:-lgcrt0.o}%{!pg: \ %{p:%e-p profiling is no longer supported. Use -pg instead.} \ %{!p:-lcrt0.o}}}\ %{posix*:%{pg:-lgposixcrt0.o}%{!pg: \ %{p:%e-p profiling is no longer supported. Use -pg instead.} \ %{!p:-lposixcrt0.o}}}" /* Allow #sscs (but don't do anything). */ #define SCCS_DIRECTIVE /* We use Dbx symbol format. */ #undef SDB_DEBUGGING_INFO #undef XCOFF_DEBUGGING_INFO #define DBX_DEBUGGING_INFO /* This saves a fair amount of space. */ #undef DBX_CONTIN_LENGTH #define DBX_CONTIN_LENGTH 0 /* These screw up NeXT's gdb at the moment, so don't use them. */ #undef DBX_OUTPUT_MAIN_SOURCE_DIRECTORY #define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE, FILENAME) /* These come from bsd386.h, but are specific to sequent, so make sure they don't bite us. */ #undef DBX_NO_XREFS #undef DBX_CONTIN_LENGTH /* gdb needs a null N_SO at the end of each file for scattered loading. */ #undef DBX_OUTPUT_MAIN_SOURCE_FILE_END #define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ fprintf (FILE, \ "\t.text\n\t.stabs \"%s\",%d,0,0,Letext\nLetext:\n", \ "" , N_SO) /* Don't use .gcc_compiled symbols to communicate with GDB; They interfere with numerically sorted symbol lists. */ #undef ASM_IDENTIFY_GCC #define ASM_IDENTIFY_GCC(asm_out_file) #undef INIT_SECTION_ASM_OP #define INIT_SECTION_ASM_OP #undef INVOKE__main #undef ASM_OUTPUT_CONSTRUCTOR #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ do { constructor_section (); \ ASM_OUTPUT_ALIGN (FILE, 1); \ fprintf (FILE, "\t.long "); \ assemble_name (FILE, NAME); \ fprintf (FILE, "\n"); \ fprintf (FILE, ".reference .constructors_used\n"); \ } while (0) #undef ASM_OUTPUT_DESTRUCTOR #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ do { destructor_section (); \ ASM_OUTPUT_ALIGN (FILE, 1); \ fprintf (FILE, "\t.long "); \ assemble_name (FILE, NAME); \ fprintf (FILE, "\n"); \ fprintf (FILE, ".reference .destructors_used\n"); \ } while (0) /* Don't output a .file directive. That is only used by the assembler for error reporting. */ #undef ASM_FILE_START #define ASM_FILE_START(FILE) #undef ASM_FILE_END #define ASM_FILE_END(FILE) \ do { \ extern char *language_string; \ if (strcmp (language_string, "GNU C++") == 0) \ { \ constructor_section (); \ destructor_section (); \ ASM_OUTPUT_ALIGN (FILE, 1); \ } \ } while (0) /* How to parse #pragma's */ #undef HANDLE_PRAGMA #define HANDLE_PRAGMA(FINPUT, NODE) handle_pragma (FINPUT, NODE) /* Give methods pretty symbol names on NeXT. */ #undef OBJC_GEN_METHOD_LABEL #define OBJC_GEN_METHOD_LABEL(BUF,IS_INST,CLASS_NAME,CAT_NAME,SEL_NAME,NUM) \ do { if (CAT_NAME) \ sprintf (BUF, "%c[%s(%s) %s]", (IS_INST) ? '-' : '+', \ (CLASS_NAME), (CAT_NAME), (SEL_NAME)); \ else \ sprintf (BUF, "%c[%s %s]", (IS_INST) ? '-' : '+', \ (CLASS_NAME), (SEL_NAME)); \ } while (0) /* The prefix to add to user-visible assembler symbols. */ #undef USER_LABEL_PREFIX #define USER_LABEL_PREFIX "_" /* Wrap new method names in quotes so the assembler doesn't gag. Make Objective-C internal symbols local. */ #undef ASM_OUTPUT_LABELREF #define ASM_OUTPUT_LABELREF(FILE,NAME) \ do { if (NAME[0] == '+' || NAME[0] == '-') fprintf (FILE, "\"%s\"", NAME); \ else if (!strncmp (NAME, "_OBJC_", 6)) fprintf (FILE, "L%s", NAME); \ else if (!strncmp (NAME, ".objc_class_name_", 17)) \ fprintf (FILE, "%s", NAME); \ else fprintf (FILE, "%s%s", USER_LABEL_PREFIX, NAME); } while (0) #undef ALIGN_ASM_OP #define ALIGN_ASM_OP ".align" #undef ASM_OUTPUT_ALIGN #define ASM_OUTPUT_ALIGN(FILE,LOG) \ if ((LOG) != 0) \ fprintf (FILE, "\t%s %d\n", ALIGN_ASM_OP, (LOG)) /* Ensure correct alignment of bss data. */ #undef ASM_OUTPUT_ALIGNED_LOCAL #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ ( fputs (".lcomm ", (FILE)), \ assemble_name ((FILE), (NAME)), \ fprintf ((FILE), ",%u,%u\n", (SIZE), floor_log2 ((ALIGN) / BITS_PER_UNIT))) /* Output #ident as a .ident. */ #undef ASM_OUTPUT_IDENT #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME); /* The maximum alignment which the object file format can support. For NeXT's Mach-O format, this is 2^15. */ #undef MAX_OFILE_ALIGNMENT #define MAX_OFILE_ALIGNMENT 0x8000 /* Create new Mach-O sections. */ #undef SECTION_FUNCTION #define SECTION_FUNCTION(FUNCTION, SECTION, DIRECTIVE, WAS_TEXT, OBJC) \ void \ FUNCTION () \ { \ extern void text_section (); \ extern void objc_section_init (); \ extern int flag_no_mach_text_sections; \ \ if (WAS_TEXT && flag_no_mach_text_sections) \ text_section (); \ else if (in_section != SECTION) \ { \ if (OBJC) \ objc_section_init (); \ fprintf (asm_out_file, "%s\n", DIRECTIVE); \ in_section = SECTION; \ } \ } \ #undef EXTRA_SECTIONS #define EXTRA_SECTIONS \ in_const, in_cstring, in_literal4, in_literal8, \ in_constructor, in_destructor, \ in_objc_class, in_objc_meta_class, in_objc_category, \ in_objc_class_vars, in_objc_instance_vars, \ in_objc_cls_meth, in_objc_inst_meth, \ in_objc_cat_cls_meth, in_objc_cat_inst_meth, \ in_objc_selector_refs, \ in_objc_symbols, in_objc_module_info, \ in_objc_protocol, in_objc_string_object, \ in_objc_class_names, in_objc_meth_var_names, \ in_objc_meth_var_types, in_objc_cls_refs #undef EXTRA_SECTION_FUNCTIONS #define EXTRA_SECTION_FUNCTIONS \ SECTION_FUNCTION (const_section, \ in_const, \ ".const", 1, 0) \ SECTION_FUNCTION (cstring_section, \ in_cstring, \ ".cstring", 1, 0) \ SECTION_FUNCTION (literal4_section, \ in_literal4, \ ".literal4", 1, 0) \ SECTION_FUNCTION (literal8_section, \ in_literal8, \ ".literal8", 1, 0) \ SECTION_FUNCTION (constructor_section, \ in_constructor, \ ".constructor", 0, 0) \ SECTION_FUNCTION (destructor_section, \ in_destructor, \ ".destructor", 0, 0) \ SECTION_FUNCTION (objc_class_section, \ in_objc_class, \ ".objc_class", 0, 1) \ SECTION_FUNCTION (objc_meta_class_section, \ in_objc_meta_class, \ ".objc_meta_class", 0, 1) \ SECTION_FUNCTION (objc_category_section, \ in_objc_category, \ ".objc_category", 0, 1) \ SECTION_FUNCTION (objc_class_vars_section, \ in_objc_class_vars, \ ".objc_class_vars", 0, 1) \ SECTION_FUNCTION (objc_instance_vars_section, \ in_objc_instance_vars, \ ".objc_instance_vars", 0, 1) \ SECTION_FUNCTION (objc_cls_meth_section, \ in_objc_cls_meth, \ ".objc_cls_meth", 0, 1) \ SECTION_FUNCTION (objc_inst_meth_section, \ in_objc_inst_meth, \ ".objc_inst_meth", 0, 1) \ SECTION_FUNCTION (objc_cat_cls_meth_section, \ in_objc_cat_cls_meth, \ ".objc_cat_cls_meth", 0, 1) \ SECTION_FUNCTION (objc_cat_inst_meth_section, \ in_objc_cat_inst_meth, \ ".objc_cat_inst_meth", 0, 1) \ SECTION_FUNCTION (objc_selector_refs_section, \ in_objc_selector_refs, \ ".objc_message_refs", 0, 1) \ SECTION_FUNCTION (objc_symbols_section, \ in_objc_symbols, \ ".objc_symbols", 0, 1) \ SECTION_FUNCTION (objc_module_info_section, \ in_objc_module_info, \ ".objc_module_info", 0, 1) \ SECTION_FUNCTION (objc_protocol_section, \ in_objc_protocol, \ ".objc_protocol", 0, 1) \ SECTION_FUNCTION (objc_string_object_section, \ in_objc_string_object, \ ".objc_string_object", 0, 1) \ SECTION_FUNCTION (objc_class_names_section, \ in_objc_class_names, \ ".objc_class_names", 0, 1) \ SECTION_FUNCTION (objc_meth_var_names_section, \ in_objc_meth_var_names, \ ".objc_meth_var_names", 0, 1) \ SECTION_FUNCTION (objc_meth_var_types_section, \ in_objc_meth_var_types, \ ".objc_meth_var_types", 0, 1) \ SECTION_FUNCTION (objc_cls_refs_section, \ in_objc_cls_refs, \ ".objc_cls_refs", 0, 1) \ \ void \ objc_section_init () \ { \ static int been_here = 0; \ \ if (been_here == 0) \ { \ been_here = 1; \ objc_class_section (); \ objc_meta_class_section (); \ objc_cat_cls_meth_section (); \ objc_cat_inst_meth_section (); \ objc_cls_meth_section (); \ objc_inst_meth_section (); \ objc_selector_refs_section (); \ objc_symbols_section (); \ objc_category_section (); \ objc_protocol_section (); \ objc_class_vars_section (); \ objc_instance_vars_section (); \ objc_module_info_section (); \ objc_string_object_section (); \ objc_class_names_section (); \ objc_meth_var_names_section (); \ objc_meth_var_types_section (); \ objc_cls_refs_section (); \ } \ } #undef READONLY_DATA_SECTION #define READONLY_DATA_SECTION const_section #undef SELECT_SECTION #define SELECT_SECTION(exp,reloc) \ do \ { \ if (TREE_CODE (exp) == STRING_CST) \ { \ if (flag_writable_strings) \ data_section (); \ else if (TREE_STRING_LENGTH (exp) != \ strlen (TREE_STRING_POINTER (exp)) + 1) \ readonly_data_section (); \ else \ cstring_section (); \ } \ else if (TREE_CODE (exp) == INTEGER_CST \ || TREE_CODE (exp) == REAL_CST) \ { \ tree size = TYPE_SIZE (TREE_TYPE (exp)); \ \ if (TREE_CODE (size) == INTEGER_CST && \ TREE_INT_CST_LOW (size) == 4 && \ TREE_INT_CST_HIGH (size) == 0) \ literal4_section (); \ else if (TREE_CODE (size) == INTEGER_CST && \ TREE_INT_CST_LOW (size) == 8 && \ TREE_INT_CST_HIGH (size) == 0) \ literal8_section (); \ else \ readonly_data_section (); \ } \ else if (TREE_CODE (exp) == CONSTRUCTOR \ && TREE_TYPE (exp) \ && TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE \ && TYPE_NAME (TREE_TYPE (exp)) \ && TREE_CODE (TYPE_NAME (TREE_TYPE (exp))) == IDENTIFIER_NODE \ && IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (exp)))) \ { \ if (!strcmp (IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (exp))), \ "NXConstantString")) \ objc_string_object_section (); \ else if ((TREE_READONLY (exp) || TREE_CONSTANT (exp)) \ && !TREE_SIDE_EFFECTS (exp)) \ readonly_data_section (); \ else \ data_section (); \ } \ else if (TREE_CODE (exp) == VAR_DECL && \ DECL_NAME (exp) && \ TREE_CODE (DECL_NAME (exp)) == IDENTIFIER_NODE && \ IDENTIFIER_POINTER (DECL_NAME (exp)) && \ !strncmp (IDENTIFIER_POINTER (DECL_NAME (exp)), "_OBJC_", 6)) \ { \ const char *name = IDENTIFIER_POINTER (DECL_NAME (exp)); \ \ if (!strncmp (name, "_OBJC_CLASS_METHODS_", 20)) \ objc_cls_meth_section (); \ else if (!strncmp (name, "_OBJC_INSTANCE_METHODS_", 23)) \ objc_inst_meth_section (); \ else if (!strncmp (name, "_OBJC_CATEGORY_CLASS_METHODS_", 20)) \ objc_cat_cls_meth_section (); \ else if (!strncmp (name, "_OBJC_CATEGORY_INSTANCE_METHODS_", 23)) \ objc_cat_inst_meth_section (); \ else if (!strncmp (name, "_OBJC_CLASS_VARIABLES_", 22)) \ objc_class_vars_section (); \ else if (!strncmp (name, "_OBJC_INSTANCE_VARIABLES_", 25)) \ objc_instance_vars_section (); \ else if (!strncmp (name, "_OBJC_CLASS_PROTOCOLS_", 22)) \ objc_cat_cls_meth_section (); \ else if (!strncmp (name, "_OBJC_CLASS_NAME_", 17)) \ objc_class_names_section (); \ else if (!strncmp (name, "_OBJC_METH_VAR_NAME_", 20)) \ objc_meth_var_names_section (); \ else if (!strncmp (name, "_OBJC_METH_VAR_TYPE_", 20)) \ objc_meth_var_types_section (); \ else if (!strncmp (name, "_OBJC_CLASS_REFERENCES", 22)) \ objc_cls_refs_section (); \ else if (!strncmp (name, "_OBJC_CLASS_", 12)) \ objc_class_section (); \ else if (!strncmp (name, "_OBJC_METACLASS_", 16)) \ objc_meta_class_section (); \ else if (!strncmp (name, "_OBJC_CATEGORY_", 15)) \ objc_category_section (); \ else if (!strncmp (name, "_OBJC_SELECTOR_REFERENCES", 25)) \ objc_selector_refs_section (); \ else if (!strncmp (name, "_OBJC_SYMBOLS", 13)) \ objc_symbols_section (); \ else if (!strncmp (name, "_OBJC_MODULES", 13)) \ objc_module_info_section (); \ else if (!strncmp (name, "_OBJC_PROTOCOL_INSTANCE_METHODS_", 32)) \ objc_cat_inst_meth_section (); \ else if (!strncmp (name, "_OBJC_PROTOCOL_CLASS_METHODS_", 29)) \ objc_cat_cls_meth_section (); \ else if (!strncmp (name, "_OBJC_PROTOCOL_REFS_", 20)) \ objc_cat_cls_meth_section (); \ else if (!strncmp (name, "_OBJC_PROTOCOL_", 15)) \ objc_protocol_section (); \ else if ((TREE_READONLY (exp) || TREE_CONSTANT (exp)) \ && !TREE_SIDE_EFFECTS (exp)) \ readonly_data_section (); \ else \ data_section (); \ } \ else if (TREE_CODE (exp) == VAR_DECL) \ { \ if ((flag_pic && reloc) \ || !TREE_READONLY (exp) || TREE_SIDE_EFFECTS (exp) \ || !DECL_INITIAL (exp) \ || (DECL_INITIAL (exp) != error_mark_node \ && !TREE_CONSTANT (DECL_INITIAL (exp)))) \ data_section (); \ else \ readonly_data_section (); \ } \ else \ readonly_data_section (); \ } \ while (0) #undef SELECT_RTX_SECTION #define SELECT_RTX_SECTION(mode, rtx) \ do \ { \ if (GET_MODE_SIZE(mode) == 8) \ literal8_section(); \ else if (GET_MODE_SIZE(mode) == 4) \ literal4_section(); \ else \ const_section (); \ } \ while (0) #ifdef ASM_COMMENT_START # undef ASM_COMMENT_START #endif #define ASM_COMMENT_START ";#"