(Correct) Import of Cygnus binutils snapshot taken 960607

1 files changed, 309 insertions, 0 deletions

diff --git a/gnu/usr.bin/binutils/bfd/netbsd-core.c b/gnu/usr.bin/binutils/bfd/netbsd-core.c
new file mode 100644
index 00000000000..e11100d87b4
--- /dev/null
+++ b/gnu/usr.bin/binutils/bfd/netbsd-core.c
@@ -0,0 +1,309 @@
+/* BFD back end for NetBSD style core files
+   Copyright 1988, 1989, 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
+   Written by Paul Kranenburg, EUR
+
+This file is part of BFD, the Binary File Descriptor library.
+
+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. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libaout.h"           /* BFD a.out internal data structures */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/dir.h>
+#include <signal.h>
+#include <sys/core.h>
+#include <errno.h>
+
+/*
+ * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof(struct trapframe))
+ */
+
+struct netbsd_core_struct {
+	struct core core;
+} *rawptr;
+
+/* forward declarations */
+
+static const bfd_target *	netbsd_core_core_file_p PARAMS ((bfd *abfd));
+static char *		netbsd_core_core_file_failing_command PARAMS ((bfd *abfd));
+static int 		netbsd_core_core_file_failing_signal PARAMS ((bfd *abfd));
+static boolean		netbsd_core_core_file_matches_executable_p
+			 PARAMS ((bfd *core_bfd, bfd *exec_bfd));
+
+/* Handle NetBSD-style core dump file.  */
+
+/* ARGSUSED */
+static const bfd_target *
+netbsd_core_core_file_p (abfd)
+     bfd *abfd;
+
+{
+	int		i, val, offset;
+	asection	*asect, *asect2;
+	struct core	core;
+	struct coreseg	coreseg;
+
+	val = bfd_read ((void *)&core, 1, sizeof core, abfd);
+	if (val != sizeof core) {
+		/* Too small to be a core file */
+		bfd_set_error(bfd_error_wrong_format);
+		return 0;
+	}
+
+	if (CORE_GETMAGIC(core) != COREMAGIC) {
+		bfd_set_error(bfd_error_wrong_format);
+		return 0;
+	}
+
+	rawptr = (struct netbsd_core_struct *)
+		bfd_zalloc (abfd, sizeof (struct netbsd_core_struct));
+	if (rawptr == NULL) {
+		bfd_set_error(bfd_error_no_memory);
+		return 0;
+	}
+
+	rawptr->core = core;
+	abfd->tdata.netbsd_core_data = rawptr;
+
+	offset = core.c_hdrsize;
+	for (i = 0; i < core.c_nseg; i++) {
+
+		if (bfd_seek (abfd, offset, SEEK_SET) != 0)
+			goto punt;
+
+		val = bfd_read ((void *)&coreseg, 1, sizeof coreseg, abfd);
+		if (val != sizeof coreseg) {
+			bfd_set_error(bfd_error_file_truncated);
+			goto punt;
+		}
+		if (CORE_GETMAGIC(coreseg) != CORESEGMAGIC) {
+			bfd_set_error(bfd_error_wrong_format);
+			goto punt;
+		}
+
+		offset += core.c_seghdrsize;
+
+		asect = (asection *) bfd_zalloc (abfd, sizeof(asection));
+		if (asect == NULL) {
+			bfd_set_error(bfd_error_no_memory);
+		}
+
+		asect->_raw_size = coreseg.c_size;
+		asect->vma = coreseg.c_addr;
+		asect->filepos = offset;
+		asect->alignment_power = 2;
+		asect->next = abfd->sections;
+		abfd->sections = asect;
+		abfd->section_count++;
+		offset += coreseg.c_size;
+
+		switch (CORE_GETFLAG(coreseg)) {
+		case CORE_CPU:
+			asect->name = ".reg";
+			asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+#ifdef CORE_FPU_OFFSET
+			/* Hackish... */
+			asect->_raw_size = CORE_FPU_OFFSET;
+			asect2 = (asection *)bfd_zalloc (abfd,
+							 sizeof (asection));
+			if (asect2 == NULL) {
+				bfd_set_error(bfd_error_no_memory);
+				goto punt;
+			}
+			asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET;
+			asect2->vma = 0;
+			asect2->filepos = asect->filepos + CORE_FPU_OFFSET;
+			asect2->alignment_power = 2;
+			asect2->next = abfd->sections;
+			asect2->name = ".reg2";
+			asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+			abfd->sections = asect2;
+			abfd->section_count++;
+#endif
+
+			break;
+		case CORE_DATA:
+			asect->name = ".data";
+			asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
+			break;
+		case CORE_STACK:
+			asect->name = ".stack";
+			asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS;
+			break;
+		}
+	}
+
+	/* OK, we believe you.  You're a core file (sure, sure).  */
+	return abfd->xvec;
+
+punt:	{
+		asection	*anext;
+		for (asect = abfd->sections; asect; asect = anext) {
+			anext = asect->next;
+			free((void *)asect);
+		}
+	}
+	free ((void *)rawptr);
+	abfd->tdata.netbsd_core_data = NULL;
+	abfd->sections = NULL;
+	abfd->section_count = 0;
+	return 0;
+}
+
+static char*
+netbsd_core_core_file_failing_command (abfd)
+	bfd *abfd;
+{
+ /*return core_command (abfd);*/
+  return abfd->tdata.netbsd_core_data->core.c_name;
+}
+
+/* ARGSUSED */
+static int
+netbsd_core_core_file_failing_signal (abfd)
+	bfd *abfd;
+{
+  /*return core_signal (abfd);*/
+  return abfd->tdata.netbsd_core_data->core.c_signo;
+}
+
+/* ARGSUSED */
+static boolean
+netbsd_core_core_file_matches_executable_p  (core_bfd, exec_bfd)
+     bfd *core_bfd, *exec_bfd;
+{
+	return true;	/* FIXME, We have no way of telling at this point */
+}
+
+/* No archive file support via this BFD */
+#define	netbsd_openr_next_archived_file	bfd_generic_openr_next_archived_file
+#define	netbsd_generic_stat_arch_elt		bfd_generic_stat_arch_elt
+#define	netbsd_slurp_armap			bfd_false
+#define	netbsd_slurp_extended_name_table	bfd_true
+#define	netbsd_write_armap			(boolean (*) PARAMS	\
+    ((bfd *arch, unsigned int elength, struct orl *map, \
+      unsigned int orl_count, int stridx))) bfd_false
+#define	netbsd_truncate_arname		bfd_dont_truncate_arname
+#define	aout_32_openr_next_archived_file	bfd_generic_openr_next_archived_file
+
+#define	netbsd_close_and_cleanup		bfd_generic_close_and_cleanup
+#define	netbsd_set_section_contents		(boolean (*) PARAMS	\
+        ((bfd *abfd, asection *section, PTR data, file_ptr offset,	\
+        bfd_size_type count))) bfd_false
+#define	netbsd_get_section_contents		bfd_generic_get_section_contents
+#define	netbsd_new_section_hook		(boolean (*) PARAMS	\
+	((bfd *, sec_ptr))) bfd_true
+#define	netbsd_get_symtab_upper_bound	bfd_0u
+#define	netbsd_get_symtab			(unsigned int (*) PARAMS \
+        ((bfd *, struct symbol_cache_entry **))) bfd_0u
+#define	netbsd_get_reloc_upper_bound		(unsigned int (*) PARAMS \
+	((bfd *, sec_ptr))) bfd_0u
+#define	netbsd_canonicalize_reloc		(unsigned int (*) PARAMS \
+	((bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
+#define	netbsd_make_empty_symbol		(struct symbol_cache_entry * \
+	(*) PARAMS ((bfd *))) bfd_false
+#define	netbsd_print_symbol			(void (*) PARAMS	\
+	((bfd *, PTR, struct symbol_cache_entry  *,			\
+	bfd_print_symbol_type))) bfd_false
+#define	netbsd_get_symbol_info		(void (*) PARAMS	\
+	((bfd *, struct symbol_cache_entry  *,			\
+	symbol_info *))) bfd_false
+#define	netbsd_get_lineno			(alent * (*) PARAMS	\
+	((bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
+#define	netbsd_set_arch_mach			(boolean (*) PARAMS	\
+	((bfd *, enum bfd_architecture, unsigned long))) bfd_false
+#define	netbsd_find_nearest_line		(boolean (*) PARAMS	\
+        ((bfd *abfd, struct sec  *section,				\
+         struct symbol_cache_entry  **symbols,bfd_vma offset,		\
+         CONST char **file, CONST char **func, unsigned int *line))) bfd_false
+#define	netbsd_sizeof_headers		(int (*) PARAMS	\
+	((bfd *, boolean))) bfd_0
+
+#define netbsd_bfd_debug_info_start		bfd_void
+#define netbsd_bfd_debug_info_end		bfd_void
+#define netbsd_bfd_debug_info_accumulate	(void (*) PARAMS	\
+	((bfd *, struct sec *))) bfd_void
+#define netbsd_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
+#define netbsd_bfd_relax_section		bfd_generic_relax_section
+#define netbsd_bfd_seclet_link \
+  ((boolean (*) PARAMS ((bfd *, PTR, boolean))) bfd_false)
+#define netbsd_bfd_reloc_type_lookup \
+  ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
+#define netbsd_bfd_make_debug_symbol \
+  ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
+
+/* If somebody calls any byte-swapping routines, shoot them.  */
+static void
+swap_abort()
+{
+  abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+}
+#define	NO_GET	((bfd_vma (*) PARAMS ((   const bfd_byte *))) swap_abort )
+#define	NO_PUT	((void    (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort )
+#define	NO_SIGNED_GET \
+	((bfd_signed_vma (*) PARAMS ((    const bfd_byte *))) swap_abort )
+
+const bfd_target netbsd_core_vec =
+  {
+    "netbsd-core",
+    bfd_target_unknown_flavour,
+    true,			/* target byte order */
+    true,			/* target headers byte order */
+    (HAS_RELOC | EXEC_P |	/* object flags */
+     HAS_LINENO | HAS_DEBUG |
+     HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
+    (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+    0,			                                   /* symbol prefix */
+    ' ',						   /* ar_pad_char */
+    16,							   /* ar_max_namelen */
+    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 64 bit data */
+    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 32 bit data */
+    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 16 bit data */
+    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 64 bit hdrs */
+    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 32 bit hdrs */
+    NO_GET, NO_SIGNED_GET, NO_PUT,	/* 16 bit hdrs */
+
+    {				/* bfd_check_format */
+     _bfd_dummy_target,		/* unknown format */
+     _bfd_dummy_target,		/* object file */
+     _bfd_dummy_target,		/* archive */
+     netbsd_core_core_file_p		/* a core file */
+    },
+    {				/* bfd_set_format */
+     bfd_false, bfd_false,
+     bfd_false, bfd_false
+    },
+    {				/* bfd_write_contents */
+     bfd_false, bfd_false,
+     bfd_false, bfd_false
+    },
+    
+       BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+       BFD_JUMP_TABLE_COPY (_bfd_generic),
+       BFD_JUMP_TABLE_CORE (netbsd_core),
+       BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+       BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+       BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+       BFD_JUMP_TABLE_WRITE (_bfd_generic),
+       BFD_JUMP_TABLE_LINK (_bfd_nolink),
+       BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+    (PTR) 0			/* backend_data */
+};