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author | Jing Yu <jingyu@google.com> | 2009-11-05 16:55:30 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 16:55:30 -0800 |
commit | 2cafa61b4b039e5ac3b876fc44a05c61d66df4d4 (patch) | |
tree | 1caaaacd28e00e283dbacd6726db52cbf2d5d909 /binutils-2.19/bfd/aix386-core.c | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_binutils-2cafa61b4b039e5ac3b876fc44a05c61d66df4d4.zip toolchain_binutils-2cafa61b4b039e5ac3b876fc44a05c61d66df4d4.tar.gz toolchain_binutils-2cafa61b4b039e5ac3b876fc44a05c61d66df4d4.tar.bz2 |
check in binutils sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'binutils-2.19/bfd/aix386-core.c')
-rw-r--r-- | binutils-2.19/bfd/aix386-core.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/binutils-2.19/bfd/aix386-core.c b/binutils-2.19/bfd/aix386-core.c new file mode 100644 index 0000000..fb81f81 --- /dev/null +++ b/binutils-2.19/bfd/aix386-core.c @@ -0,0 +1,270 @@ +/* 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, 2006, 2007 + 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 void swap_abort PARAMS ((void)); + +static const bfd_target * +aix386_core_file_p (abfd) + 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 ((PTR) 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 ((PTR) 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 (abfd) + bfd *abfd; +{ + return core_hdr (abfd)->cd_comm; +} + +static int +aix386_core_file_failing_signal (abfd) + bfd *abfd; +{ + return core_hdr (abfd)->cd_cursig; +} + +#define aix386_core_file_matches_executable_p generic_core_file_matches_executable_p + +/* If somebody calls any byte-swapping routines, shoot them. */ + +static void +swap_abort () +{ + /* 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 */ + 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, + + (PTR) 0 +}; 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