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-rw-r--r--binutils-2.25/bfd/aix386-core.c271
1 files changed, 271 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/aix386-core.c b/binutils-2.25/bfd/aix386-core.c
new file mode 100644
index 00000000..947ab803
--- /dev/null
+++ b/binutils-2.25/bfd/aix386-core.c
@@ -0,0 +1,271 @@
+/* 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, 1994, 1996, 1998, 1999, 2000,
+ 2001, 2002, 2004, 2005, 2006, 2007, 2010, 2011, 2012
+ 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 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.
+
+ 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. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "coff/i386.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+#include <signal.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 const bfd_target *
+aix386_core_file_p (bfd *abfd)
+{
+ int i, n;
+ unsigned char longbuf[4]; /* Raw bytes of various header fields */
+ bfd_size_type core_size = sizeof (struct corehdr);
+ bfd_size_type amt;
+ struct corehdr *core;
+ struct mergem
+ {
+ struct trad_core_struct coredata;
+ struct corehdr internal_core;
+ } *mergem;
+ flagword flags;
+
+ 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 (strncmp (longbuf, COR_MAGIC, 4))
+ return 0;
+
+ if (bfd_seek (abfd, (file_ptr) 0, 0) != 0)
+ return 0;
+
+ amt = sizeof (struct mergem);
+ mergem = (struct mergem *) bfd_zalloc (abfd, amt);
+ if (mergem == NULL)
+ return 0;
+
+ core = &mergem->internal_core;
+
+ if ((bfd_bread (core, core_size, abfd)) != core_size)
+ {
+ 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. */
+ flags = SEC_HAS_CONTENTS;
+ core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg",
+ flags);
+ if (core_regsec (abfd) == NULL)
+ 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)
+ /* 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++)
+ {
+ const char *sname;
+ flagword flags;
+
+ if (core->cd_segs[i].cs_offset == 0)
+ continue;
+
+ switch (core->cd_segs[i].cs_type)
+ {
+ case COR_TYPE_DATA:
+ sname = ".data";
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ break;
+ case COR_TYPE_STACK:
+ sname = ".stack";
+ flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS;
+ break;
+ case COR_TYPE_LIBDATA:
+ sname = ".libdata";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ case COR_TYPE_WRITE:
+ sname = ".writeable";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ case COR_TYPE_MSC:
+ sname = ".misc";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ default:
+ sname = ".unknown";
+ flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+ break;
+ }
+ 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;
+ n++;
+ }
+
+ return abfd->xvec;
+}
+
+static char *
+aix386_core_file_failing_command (bfd *abfd)
+{
+ return core_hdr (abfd)->cd_comm;
+}
+
+static int
+aix386_core_file_failing_signal (bfd *abfd)
+{
+ return core_hdr (abfd)->cd_cursig;
+}
+
+#define aix386_core_file_matches_executable_p generic_core_file_matches_executable_p
+
+#define aix386_core_file_pid _bfd_nocore_core_file_pid
+
+/* If somebody calls any byte-swapping routines, shoot them. */
+
+static void
+swap_abort (void)
+{
+ /* This way doesn't require any declaration for ANSI to fuck up. */
+ abort ();
+}
+
+#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 aix386_core_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 */
+ 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_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},
+
+ 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
+};
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