X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Faix386-core.c;h=1883d9843bb1d57ac46672ee5f3608e6cbd7824f;hb=f5df0b5f0874598790a60f1462f67887868bd77f;hp=ac0bba6f80995faaf3db1ecd47572857f80afdc8;hpb=4c3721d5147489f4ba880871de0eafb025a4543f;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/aix386-core.c b/bfd/aix386-core.c index ac0bba6f80..1883d9843b 100644 --- a/bfd/aix386-core.c +++ b/bfd/aix386-core.c @@ -1,55 +1,44 @@ /* 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 . Converted to back end form by Ian Lance Taylor . -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 -#include #include -#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 */ @@ -57,7 +46,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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) \ @@ -67,279 +56,226 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #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 };