/* 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.
+ Cygnus Support.
+ Copyright (C) 1988-2020 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 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 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 3 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, 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 "bfd.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 */
+#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
+/* Maybe this could work on some other i386 but I have not tried it
* mtranle@paris - Tue Sep 24 12:49:35 1991
*/
# define COR_MAGIC "core"
#endif
-/* need this cast because ptr is really void * */
+/* Need this cast because ptr is really void *. */
#define core_hdr(bfd) \
(((bfd->tdata.trad_core_data))->hdr)
#define core_section(bfd,n) \
#define core_reg2sec(bfd) \
(((bfd)->tdata.trad_core_data)->reg2_section)
-/* These are stored in the bfd's tdata */
-struct trad_core_struct {
+/* 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)
+static const bfd_target *
+aix386_core_file_p (bfd *abfd)
{
- int i,n;
+ int i, n;
unsigned char longbuf[4]; /* Raw bytes of various header fields */
- int core_size = sizeof (struct corehdr);
+ bfd_size_type core_size = sizeof (struct corehdr);
+ bfd_size_type amt;
struct corehdr *core;
- struct mergem {
+ struct mergem
+ {
struct trad_core_struct coredata;
struct corehdr internal_core;
} *mergem;
+ flagword flags;
- bfd_error = system_call_error;
+ amt = sizeof (longbuf);
+ if (bfd_bread (longbuf, amt, abfd) != amt)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
- if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != sizeof (longbuf))
+ if (strncmp (longbuf, COR_MAGIC, 4))
return 0;
- if (strncmp(longbuf,COR_MAGIC,4)) return 0;
-
- if (bfd_seek (abfd, 0L, false) < 0) return 0;
+ if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
+ return 0;
- mergem = (struct mergem *)bfd_zalloc (abfd, sizeof (struct mergem));
+ amt = sizeof (struct mergem);
+ mergem = (struct mergem *) bfd_zalloc (abfd, amt);
if (mergem == NULL)
- {
- bfd_error = no_memory;
- return 0;
- }
+ return 0;
core = &mergem->internal_core;
- if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size)
+ if ((bfd_bread (core, core_size, abfd)) != core_size)
{
- bfd_error = system_call_error;
- bfd_release (abfd, (char *)mergem);
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ loser:
+ bfd_release (abfd, (char *) mergem);
+ abfd->tdata.any = NULL;
+ bfd_section_list_clear (abfd);
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));
+ /* Create the sections. */
+ flags = SEC_HAS_CONTENTS;
+ core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
+ flags);
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));
+ goto loser;
+
+ core_regsec (abfd)->size = sizeof (core->cd_regs);
+ core_regsec (abfd)->vma = (bfd_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]);
+
+ flags = SEC_HAS_CONTENTS;
+ core_reg2sec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg2",
+ flags);
if (core_reg2sec (abfd) == NULL)
- {
- loser1:
- bfd_release (abfd, core_regsec (abfd));
- goto loser;
- }
+ /* bfd_release frees everything allocated after it's arg. */
+ goto loser;
+
+ core_reg2sec (abfd)->size = sizeof (core->cd_fpregs);
+ core_reg2sec (abfd)->vma = (bfd_vma) -1;
+ core_reg2sec (abfd)->filepos =
+ (file_ptr) offsetof (struct corehdr, cd_fpregs);
- for (i=0, n=0 ; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type) ; i++)
+ for (i = 0, n = 0; (i < MAX_CORE_SEGS) && (core->cd_segs[i].cs_type); i++)
{
+ const char *sname;
+ flagword flags;
+
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);
+ sname = ".data";
+ 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);
+ sname = ".stack";
+ 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);
+ sname = ".libdata";
+ 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);
+ sname = ".writeable";
+ 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);
+ sname = ".misc";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
break;
default:
- core_section (abfd, n)->name = ".unknown";
- core_section (abfd, n)->flags = (SEC_ALLOC + SEC_HAS_CONTENTS);
+ sname = ".unknown";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
break;
}
- core_section (abfd, n)->_raw_size = core->cd_segs[i].cs_len;
+ core_section (abfd, n) = bfd_make_section_anyway_with_flags (abfd,
+ sname,
+ flags);
+ if (core_section (abfd, n) == NULL)
+ goto loser;
+
+ core_section (abfd, n)->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;
+ 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)
+aix386_core_file_failing_command (bfd *abfd)
{
return core_hdr (abfd)->cd_comm;
}
static int
-DEFUN(aix386_core_file_failing_signal,(abfd),
- bfd *abfd)
+aix386_core_file_failing_signal (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 */
-}
+#define aix386_core_file_matches_executable_p generic_core_file_matches_executable_p
-/* 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_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)
-#define aix386_bfd_link_hash_table_create \
- ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
-#define aix386_bfd_link_add_symbols \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
-#define aix386_bfd_final_link \
- ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
+#define aix386_core_file_pid _bfd_nocore_core_file_pid
/* If somebody calls any byte-swapping routines, shoot them. */
-void
-swap_abort()
+
+static void
+swap_abort (void)
{
- abort(); /* This way doesn't require any declaration for ANSI to fuck up */
+ /* This way doesn't require any declaration for ANSI to fuck up. */
+ abort ();
}
-#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 */
+#define NO_GET ((bfd_vma (*) (const void *)) swap_abort)
+#define NO_PUT ((void (*) (bfd_vma, void *)) swap_abort)
+#define NO_GETS ((bfd_signed_vma (*) (const void *)) swap_abort)
+#define NO_GET64 ((bfd_uint64_t (*) (const void *)) swap_abort)
+#define NO_PUT64 ((void (*) (bfd_uint64_t, void *)) swap_abort)
+#define NO_GETS64 ((bfd_int64_t (*) (const void *)) swap_abort)
+
+const bfd_target core_aix386_vec =
+{
+ "aix386-core",
+ bfd_target_unknown_flavour,
+ BFD_ENDIAN_BIG, /* target byte order */
+ BFD_ENDIAN_BIG, /* 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
+ 0, /* leading underscore */
+ ' ', /* ar_pad_char */
+ 16, /* ar_max_namelen */
+ 0, /* match priority. */
+ NO_GET64, NO_GETS64, NO_PUT64,
+ NO_GET, NO_GETS, NO_PUT,
+ NO_GET, NO_GETS, NO_PUT, /* data */
+ NO_GET64, NO_GETS64, NO_PUT64,
+ NO_GET, NO_GETS, NO_PUT,
+ NO_GET, NO_GETS, NO_PUT, /* hdrs */
+
+ { /* bfd_check_format */
+ _bfd_dummy_target,
+ _bfd_dummy_target,
+ _bfd_dummy_target,
+ aix386_core_file_p
+ },
+ { /* bfd_create_object */
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
+ },
+ { /* bfd_write_contents */
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error,
+ _bfd_bool_bfd_false_error
+ },
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_generic),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (aix386),
+ 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),
+
+ NULL,
+
+ NULL
};