--- /dev/null
+/* BFD back-end for AIX on PS/2 core files.
+ This was based on trad-core.c, which was written by John Gilmore of
+ Cygnus Support.
+ Copyright 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Written by Minh Tran-Le <TRANLE@INTELLICORP.COM>.
+ Converted to back end form by Ian Lance Taylor <ian@cygnus.com>.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* To use this file on a particular host, configure the host with these
+ parameters in the config/h-HOST file:
+
+ HDEFINES=-DAIX386_CORE=1
+ HDEPFILES=aix386-core.o
+ */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "obstack.h"
+#include "coff/i386.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+#include <stdio.h>
+#include <stddef.h>
+#include <signal.h>
+
+#include <errno.h>
+
+#if defined (_AIX) && defined (_I386)
+#define NOCHECKS /* this is for coredump.h */
+#define _h_USER /* avoid including user.h from coredump.h */
+#include <uinfo.h>
+#include <sys/i386/coredump.h>
+#endif /* _AIX && _I386 */
+
+/* maybe this could work on some other i386 but I have not tried it
+ * mtranle@paris - Tue Sep 24 12:49:35 1991
+ */
+
+#ifndef COR_MAGIC
+# define COR_MAGIC "core"
+#endif
+
+/* need this cast because ptr is really void * */
+#define core_hdr(bfd) \
+ (((bfd->tdata.trad_core_data))->hdr)
+#define core_section(bfd,n) \
+ (((bfd)->tdata.trad_core_data)->sections[n])
+#define core_regsec(bfd) \
+ (((bfd)->tdata.trad_core_data)->reg_section)
+#define core_reg2sec(bfd) \
+ (((bfd)->tdata.trad_core_data)->reg2_section)
+
+/* These are stored in the bfd's tdata */
+struct trad_core_struct {
+ struct corehdr *hdr; /* core file header */
+ asection *reg_section;
+ asection *reg2_section;
+ asection *sections[MAX_CORE_SEGS];
+};
+
+static bfd_target *
+DEFUN(aix386_core_file_p,(abfd),
+ bfd *abfd)
+{
+ int i,n;
+ unsigned char longbuf[4]; /* Raw bytes of various header fields */
+ int core_size = sizeof (struct corehdr);
+ struct corehdr *core;
+ struct mergem {
+ struct trad_core_struct coredata;
+ struct corehdr internal_core;
+ } *mergem;
+
+ bfd_error = system_call_error;
+
+ if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != sizeof (longbuf))
+ return 0;
+
+ if (strncmp(longbuf,COR_MAGIC,4)) return 0;
+
+ if (bfd_seek (abfd, 0L, false) < 0) return 0;
+
+ mergem = (struct mergem *)bfd_zalloc (abfd, sizeof (struct mergem));
+ if (mergem == NULL)
+ {
+ bfd_error = no_memory;
+ return 0;
+ }
+
+ core = &mergem->internal_core;
+
+ if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size)
+ {
+ bfd_error = system_call_error;
+ bfd_release (abfd, (char *)mergem);
+ return 0;
+ }
+
+ set_tdata (abfd, &mergem->coredata);
+ core_hdr (abfd) = core;
+
+ /* create the sections. This is raunchy, but bfd_close wants to reclaim
+ them */
+ core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+ if (core_regsec (abfd) == NULL)
+ {
+ loser:
+ bfd_error = no_memory;
+ bfd_release (abfd, (char *)mergem);
+ return 0;
+ }
+ core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection));
+ if (core_reg2sec (abfd) == NULL)
+ {
+ loser1:
+ bfd_release (abfd, core_regsec (abfd));
+ goto loser;
+ }
+
+ for (i=0, n=0 ; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type) ; i++)
+ {
+ if (core->cd_segs[i].cs_offset == 0)
+ continue;
+ core_section (abfd,n) =
+ (asection *) bfd_zalloc (abfd, sizeof (asection));
+ if (core_section (abfd,n) == NULL)
+ {
+ int j;
+ if (n > 0)
+ {
+ for (j=0; j < n; j++)
+ bfd_release (abfd, core_section(abfd, j));
+ }
+ bfd_release (abfd, (char *)mergem);
+ goto loser1;
+ }
+
+ switch (core->cd_segs[i].cs_type)
+ {
+ case COR_TYPE_DATA:
+ core_section (abfd, n)->name = ".data";
+ core_section (abfd, n)->flags = (SEC_ALLOC + SEC_LOAD +
+ SEC_HAS_CONTENTS);
+ break;
+ case COR_TYPE_STACK:
+ core_section (abfd, n)->name = ".stack";
+ core_section (abfd, n)->flags = (SEC_ALLOC + SEC_LOAD +
+ SEC_HAS_CONTENTS);
+ break;
+ case COR_TYPE_LIBDATA:
+ core_section (abfd, n)->name = ".libdata";
+ core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS);
+ break;
+ case COR_TYPE_WRITE:
+ core_section (abfd, n)->name = ".writeable";
+ core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS);
+ break;
+ case COR_TYPE_MSC:
+ core_section (abfd, n)->name = ".misc";
+ core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS);
+ break;
+ default:
+ core_section (abfd, n)->name = ".unknown";
+ core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS);
+ break;
+ }
+ core_section (abfd, n)->_raw_size = core->cd_segs[i].cs_len;
+ core_section (abfd, n)->vma = core->cd_segs[i].cs_address;
+ core_section (abfd, n)->filepos = core->cd_segs[i].cs_offset;
+ core_section (abfd, n)->alignment_power = 2;
+ core_section (abfd, n)->next = NULL;
+ if (n > 0)
+ core_section (abfd, (n-1))->next = core_section (abfd, n);
+
+ abfd->section_count = ++n;
+ }
+
+ core_regsec (abfd)->name = ".reg";
+ core_reg2sec (abfd)->name = ".reg2";
+
+ core_regsec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ core_reg2sec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+
+ core_regsec (abfd)->_raw_size = sizeof(core->cd_regs);
+ core_reg2sec (abfd)->_raw_size = sizeof(core->cd_fpregs);
+
+ core_regsec (abfd)->vma = -1;
+ core_reg2sec (abfd)->vma = -1;
+
+ /* We'll access the regs afresh in the core file, like any section: */
+ core_regsec (abfd)->filepos = (file_ptr)offsetof(struct corehdr,cd_regs[0]);
+ core_reg2sec (abfd)->filepos = (file_ptr)offsetof(struct corehdr,
+ cd_fpregs);
+
+ /* add the 2 reg fake sections to abfd */
+ abfd->section_count += 2;
+ abfd->sections = core_regsec (abfd);
+ core_regsec (abfd)->next = core_reg2sec (abfd);
+ core_reg2sec (abfd)->next = core_section (abfd, 0);
+
+ return abfd->xvec;
+}
+
+static char *
+DEFUN(aix386_core_file_failing_command,(abfd),
+ bfd *abfd)
+{
+ return core_hdr (abfd)->cd_comm;
+}
+
+static int
+DEFUN(aix386_core_file_failing_signal,(abfd),
+ bfd *abfd)
+{
+ return core_hdr (abfd)->cd_cursig;
+}
+
+static boolean
+DEFUN(aix386_core_file_matches_executable_p, (core_bfd, exec_bfd),
+ bfd *core_bfd AND
+ bfd *exec_bfd)
+{
+ return true; /* FIXME, We have no way of telling at this
+ point */
+}
+
+/* No archive file support via this BFD */
+#define aix386_openr_next_archived_file bfd_generic_openr_next_archived_file
+#define aix386_generic_stat_arch_elt bfd_generic_stat_arch_elt
+#define aix386_slurp_armap bfd_false
+#define aix386_slurp_extended_name_table bfd_true
+#define aix386_write_armap (PROTO (boolean, (*), \
+ (bfd *arch, unsigned int elength, struct orl *map, \
+ unsigned int orl_count, int stridx))) bfd_false
+#define aix386_truncate_arname bfd_dont_truncate_arname
+
+#define aix386_close_and_cleanup bfd_generic_close_and_cleanup
+#define aix386_set_section_contents (PROTO(boolean, (*), \
+ (bfd *abfd, asection *section, PTR data, file_ptr offset, \
+ bfd_size_type count))) bfd_false
+#define aix386_get_section_contents bfd_generic_get_section_contents
+#define aix386_new_section_hook (PROTO (boolean, (*), \
+ (bfd *, sec_ptr))) bfd_true
+#define aix386_get_symtab_upper_bound bfd_0u
+#define aix386_get_symtab (PROTO (unsigned int, (*), \
+ (bfd *, struct symbol_cache_entry **))) bfd_0u
+#define aix386_get_reloc_upper_bound (PROTO (unsigned int, (*), \
+ (bfd *, sec_ptr))) bfd_0u
+#define aix386_canonicalize_reloc (PROTO (unsigned int, (*), \
+ (bfd *, sec_ptr, arelent **, struct symbol_cache_entry**))) bfd_0u
+#define aix386_make_empty_symbol (PROTO ( \
+ struct symbol_cache_entry *, (*), (bfd *))) bfd_false
+#define aix386_print_symbol (PROTO (void, (*), \
+ (bfd *, PTR, struct symbol_cache_entry *, \
+ bfd_print_symbol_type))) bfd_false
+#define aix386_get_symbol_info (PROTO (void, (*), \
+ (bfd *, struct symbol_cache_entry *, \
+ symbol_info *))) bfd_false
+#define aix386_get_lineno (PROTO (alent *, (*), \
+ (bfd *, struct symbol_cache_entry *))) bfd_nullvoidptr
+#define aix386_set_arch_mach (PROTO (boolean, (*), \
+ (bfd *, enum bfd_architecture, unsigned long))) bfd_false
+#define aix386_find_nearest_line (PROTO (boolean, (*), \
+ (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 aix386_sizeof_headers (PROTO (int, (*), \
+ (bfd *, boolean))) bfd_0
+
+#define aix386_bfd_debug_info_start bfd_void
+#define aix386_bfd_debug_info_end bfd_void
+#define aix386_bfd_debug_info_accumulate (PROTO (void, (*), \
+ (bfd *, struct sec *))) bfd_void
+#define aix386_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
+#define aix386_bfd_relax_section bfd_generic_relax_section
+#define aix386_bfd_seclet_link \
+ ((boolean (*) PARAMS ((bfd *, PTR, boolean))) bfd_false)
+#define aix386_bfd_reloc_type_lookup \
+ ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
+#define aix386_bfd_make_debug_symbol \
+ ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
+
+/* If somebody calls any byte-swapping routines, shoot them. */
+void
+swap_abort()
+{
+ abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+}
+#define NO_GET ((PROTO(bfd_vma, (*), ( bfd_byte *))) swap_abort )
+#define NO_GETS ((PROTO(bfd_signed_vma, (*), ( bfd_byte *))) swap_abort )
+#define NO_PUT ((PROTO(void, (*), (bfd_vma, bfd_byte *))) swap_abort )
+
+bfd_target aix386_core_vec =
+ {
+ "aix386-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 | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+ 0, /* leading underscore */
+ ' ', /* ar_pad_char */
+ 16, /* ar_max_namelen */
+ 3, /* minimum alignment power */
+ NO_GET, NO_GETS, NO_PUT,
+ NO_GET, NO_GETS, NO_PUT,
+ NO_GET, NO_GETS, NO_PUT, /* data */
+ NO_GET, NO_GETS, NO_PUT,
+ NO_GET, NO_GETS, NO_PUT,
+ NO_GET, NO_GETS, NO_PUT, /* hdrs */
+
+ {_bfd_dummy_target, _bfd_dummy_target,
+ _bfd_dummy_target, aix386_core_file_p},
+ {bfd_false, bfd_false, /* bfd_create_object */
+ bfd_false, bfd_false},
+ {bfd_false, bfd_false, /* bfd_write_contents */
+ bfd_false, bfd_false},
+
+ JUMP_TABLE(aix386),
+ (PTR) 0
+};
projects / deliverable / binutils-gdb.git / commitdiff
