X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Faix386-core.c;h=591397e4a2e4b7bf65f26f12b88504d08e8364b2;hb=86fb1dece37497b267579ed4f062d280cd5760cd;hp=6dc5cef59f583f804a6c95399a27ff6414ca14d2;hpb=0ef5a5bdcbddae6d04247a3e261843edfa68a60f;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/aix386-core.c b/bfd/aix386-core.c index 6dc5cef59f..591397e4a2 100644 --- a/bfd/aix386-core.c +++ b/bfd/aix386-core.c @@ -1,7 +1,8 @@ /* 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, 89, 91, 92, 93, 94, 95, 96, 97, 1998 + Copyright 1988, 1989, 1991, 1992, 1993, 1994, 1996, 1998, 1999, 2000, + 2001, 2002 Free Software Foundation, Inc. Written by Minh Tran-Le . Converted to back end form by Ian Lance Taylor . @@ -32,13 +33,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #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 #include #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 */ @@ -46,7 +47,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ # 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) \ @@ -56,7 +57,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define core_reg2sec(bfd) \ (((bfd)->tdata.trad_core_data)->reg2_section) -/* These are stored in the bfd's tdata */ +/* These are stored in the bfd's tdata. */ struct trad_core_struct { struct corehdr *hdr; /* core file header */ asection *reg_section; @@ -70,141 +71,122 @@ static const bfd_target * aix386_core_file_p (abfd) 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 trad_core_struct coredata; struct corehdr internal_core; } *mergem; - if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != sizeof (longbuf)) + 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 (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) return 0; core = &mergem->internal_core; - if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) + 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); - bfd_release (abfd, (char *)mergem); + 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. */ + core_regsec (abfd) = bfd_make_section_anyway (abfd, ".reg"); if (core_regsec (abfd) == NULL) - { - loser: - bfd_release (abfd, (char *)mergem); - return 0; - } - core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); + goto loser; + + core_regsec (abfd)->flags = SEC_HAS_CONTENTS; + core_regsec (abfd)->_raw_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]); + + core_reg2sec (abfd) = bfd_make_section_anyway (abfd, ".reg2"); 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)->flags = SEC_HAS_CONTENTS; + core_reg2sec (abfd)->_raw_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) = bfd_make_section_anyway (abfd, sname); + if (core_section (abfd, n) == NULL) + goto loser; + + core_section (abfd, n)->flags = flags; 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; + n++; } - core_regsec (abfd)->name = ".reg"; - core_reg2sec (abfd)->name = ".reg2"; - - core_regsec (abfd)->flags = SEC_HAS_CONTENTS; - core_reg2sec (abfd)->flags = 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; } @@ -227,59 +209,61 @@ aix386_core_file_matches_executable_p (core_bfd, exec_bfd) bfd *core_bfd; bfd *exec_bfd; { - return true; /* FIXME, We have no way of telling at this - point */ + /* FIXME: We have no way of telling at this point. */ + return true; } /* If somebody calls any byte-swapping routines, shoot them. */ + static void -swap_abort() +swap_abort () { - 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, (*), ( const bfd_byte *))) swap_abort ) -#define NO_GETS ((PROTO(bfd_signed_vma, (*), (const bfd_byte *))) swap_abort ) -#define NO_PUT ((PROTO(void, (*), (bfd_vma, bfd_byte *))) swap_abort ) - -const bfd_target aix386_core_vec = - { - "aix386-core", - bfd_target_unknown_flavour, - BFD_ENDIAN_BIG, /* target byte order */ - BFD_ENDIANG_BIG, /* target headers byte order */ + +#define NO_GET ((bfd_vma (*) PARAMS ((const bfd_byte *))) swap_abort) +#define NO_GETS ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort) +#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) 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_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}, - - 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 + 0, /* leading underscore */ + ' ', /* ar_pad_char */ + 16, /* ar_max_namelen */ + 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}, + + 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 };