X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Firix-core.c;h=a63d4104d4c327af135f8e5e2545ec8cc5e9f708;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=026e1e036616aba0030482a4d4ea4afd820fafeb;hpb=dc3febfa6ef6fa1bc6a9239f85db6faf6006655c;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/irix-core.c b/bfd/irix-core.c index 026e1e0366..a63d4104d4 100644 --- a/bfd/irix-core.c +++ b/bfd/irix-core.c @@ -1,36 +1,38 @@ /* BFD back-end for Irix core files. - Copyright 1993, 94, 95, 96, 1997 Free Software Foundation, Inc. + Copyright (C) 1993-2020 Free Software Foundation, Inc. Written by Stu Grossman, Cygnus Support. Converted to back-end form by Ian Lance Taylor, Cygnus Support -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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This file can only be compiled on systems which use Irix style core files (namely, Irix 4 and Irix 5, so far). */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #ifdef IRIX_CORE #include -struct sgi_core_struct +struct sgi_core_struct { int sig; char cmd[CORE_NAMESIZE]; @@ -40,33 +42,123 @@ struct sgi_core_struct #define core_signal(bfd) (core_hdr(bfd)->sig) #define core_command(bfd) (core_hdr(bfd)->cmd) +#define irix_core_core_file_matches_executable_p generic_core_file_matches_executable_p +#define irix_core_core_file_pid _bfd_nocore_core_file_pid + static asection *make_bfd_asection - PARAMS ((bfd *, CONST char *, flagword, bfd_size_type, bfd_vma, file_ptr)); -static const bfd_target *irix_core_core_file_p PARAMS ((bfd *)); -static char *irix_core_core_file_failing_command PARAMS ((bfd *)); -static int irix_core_core_file_failing_signal PARAMS ((bfd *)); -static boolean irix_core_core_file_matches_executable_p - PARAMS ((bfd *, bfd *)); -static asymbol *irix_core_make_empty_symbol PARAMS ((bfd *)); -static void swap_abort PARAMS ((void)); + (bfd *, const char *, flagword, bfd_size_type, bfd_vma, file_ptr); + +/* Helper function for irix_core_core_file_p: + 32-bit and 64-bit versions. */ + +#ifdef CORE_MAGIC64 +static int +do_sections64 (bfd *abfd, struct coreout *coreout) +{ + struct vmap64 vmap; + char *secname; + int i, val; + + for (i = 0; i < coreout->c_nvmap; i++) + { + val = bfd_bread (&vmap, (bfd_size_type) sizeof vmap, abfd); + if (val != sizeof vmap) + break; + + switch (vmap.v_type) + { + case VDATA: + secname = ".data"; + break; + case VSTACK: + secname = ".stack"; + break; +#ifdef VMAPFILE + case VMAPFILE: + secname = ".mapfile"; + break; +#endif + default: + continue; + } + + /* A file offset of zero means that the + section is not contained in the corefile. */ + if (vmap.v_offset == 0) + continue; + + if (!make_bfd_asection (abfd, secname, + SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS, + vmap.v_len, vmap.v_vaddr, vmap.v_offset)) + /* Fail. */ + return 0; + } + + return 1; +} +#endif + +/* 32-bit version. */ + +static int +do_sections (bfd *abfd, struct coreout *coreout) +{ + struct vmap vmap; + char *secname; + int i, val; + + for (i = 0; i < coreout->c_nvmap; i++) + { + val = bfd_bread (&vmap, (bfd_size_type) sizeof vmap, abfd); + if (val != sizeof vmap) + break; + + switch (vmap.v_type) + { + case VDATA: + secname = ".data"; + break; + case VSTACK: + secname = ".stack"; + break; +#ifdef VMAPFILE + case VMAPFILE: + secname = ".mapfile"; + break; +#endif + default: + continue; + } + + /* A file offset of zero means that the + section is not contained in the corefile. */ + if (vmap.v_offset == 0) + continue; + + if (!make_bfd_asection (abfd, secname, + SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS, + vmap.v_len, vmap.v_vaddr, vmap.v_offset)) + /* Fail. */ + return 0; + } + return 1; +} static asection * -make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos) - bfd *abfd; - CONST char *name; - flagword flags; - bfd_size_type _raw_size; - bfd_vma vma; - file_ptr filepos; +make_bfd_asection (bfd *abfd, + const char *name, + flagword flags, + bfd_size_type size, + bfd_vma vma, + file_ptr filepos) { asection *asect; - asect = bfd_make_section_anyway (abfd, name); + asect = bfd_make_section_anyway_with_flags (abfd, name, flags); if (!asect) return NULL; - asect->flags = flags; - asect->_raw_size = _raw_size; + asect->size = size; asect->vma = vma; asect->filepos = filepos; asect->alignment_power = 4; @@ -74,17 +166,15 @@ make_bfd_asection (abfd, name, flags, _raw_size, vma, filepos) return asect; } -static const bfd_target * -irix_core_core_file_p (abfd) - bfd *abfd; +static bfd_cleanup +irix_core_core_file_p (bfd *abfd) { int val; - int i; - char *secname; struct coreout coreout; struct idesc *idg, *idf, *ids; + size_t amt; - val = bfd_read ((PTR)&coreout, 1, sizeof coreout, abfd); + val = bfd_bread (&coreout, (bfd_size_type) sizeof coreout, abfd); if (val != sizeof coreout) { if (bfd_get_error () != bfd_error_system_call) @@ -92,14 +182,24 @@ irix_core_core_file_p (abfd) return 0; } -#ifndef CORE_MAGICN32 -#define CORE_MAGICN32 CORE_MAGIC -#endif - if ((coreout.c_magic != CORE_MAGIC && coreout.c_magic != CORE_MAGICN32) - || coreout.c_version != CORE_VERSION1) + if (coreout.c_version != CORE_VERSION1) return 0; - core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, sizeof (struct sgi_core_struct)); + /* Have we got a corefile? */ + switch (coreout.c_magic) + { + case CORE_MAGIC: break; +#ifdef CORE_MAGIC64 + case CORE_MAGIC64: break; +#endif +#ifdef CORE_MAGICN32 + case CORE_MAGICN32: break; +#endif + default: return 0; /* Un-identifiable or not corefile. */ + } + + amt = sizeof (struct sgi_core_struct); + core_hdr (abfd) = (struct sgi_core_struct *) bfd_zalloc (abfd, amt); if (!core_hdr (abfd)) return NULL; @@ -107,47 +207,21 @@ irix_core_core_file_p (abfd) core_signal (abfd) = coreout.c_sigcause; if (bfd_seek (abfd, coreout.c_vmapoffset, SEEK_SET) != 0) - return NULL; + goto fail; - for (i = 0; i < coreout.c_nvmap; i++) + /* Process corefile sections. */ +#ifdef CORE_MAGIC64 + if (coreout.c_magic == (int) CORE_MAGIC64) { - struct vmap vmap; - - val = bfd_read ((PTR)&vmap, 1, sizeof vmap, abfd); - if (val != sizeof vmap) - break; - - switch (vmap.v_type) - { - case VDATA: - secname = ".data"; - break; - case VSTACK: - secname = ".stack"; - break; -#ifdef VMAPFILE - case VMAPFILE: - secname = ".mapfile"; - break; -#endif - default: - continue; - } - - /* A file offset of zero means that the section is not contained - in the corefile. */ - if (vmap.v_offset == 0) - continue; - - if (!make_bfd_asection (abfd, secname, - SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS, - vmap.v_len, - vmap.v_vaddr, - vmap.v_offset)) - return NULL; + if (! do_sections64 (abfd, & coreout)) + goto fail; } + else +#endif + if (! do_sections (abfd, & coreout)) + goto fail; - /* Make sure that the regs are contiguous within the core file. */ + /* Make sure that the regs are contiguous within the core file. */ idg = &coreout.c_idesc[I_GPREGS]; idf = &coreout.c_idesc[I_FPREGS]; @@ -155,78 +229,57 @@ irix_core_core_file_p (abfd) if (idg->i_offset + idg->i_len != idf->i_offset || idf->i_offset + idf->i_len != ids->i_offset) - return 0; /* Can't deal with non-contig regs */ + goto fail; /* Can't deal with non-contig regs */ if (bfd_seek (abfd, idg->i_offset, SEEK_SET) != 0) - return NULL; + goto fail; + + if (!make_bfd_asection (abfd, ".reg", + SEC_HAS_CONTENTS, + idg->i_len + idf->i_len + ids->i_len, + 0, + idg->i_offset)) + goto fail; - make_bfd_asection (abfd, ".reg", - SEC_HAS_CONTENTS, - idg->i_len + idf->i_len + ids->i_len, - 0, - idg->i_offset); - /* OK, we believe you. You're a core file (sure, sure). */ bfd_default_set_arch_mach (abfd, bfd_arch_mips, 0); - return abfd->xvec; + return _bfd_no_cleanup; + + fail: + bfd_release (abfd, core_hdr (abfd)); + core_hdr (abfd) = NULL; + bfd_section_list_clear (abfd); + return NULL; } static char * -irix_core_core_file_failing_command (abfd) - bfd *abfd; +irix_core_core_file_failing_command (bfd *abfd) { return core_command (abfd); } static int -irix_core_core_file_failing_signal (abfd) - bfd *abfd; +irix_core_core_file_failing_signal (bfd *abfd) { return core_signal (abfd); } -static boolean -irix_core_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd, *exec_bfd; -{ - return true; /* XXX - FIXME */ -} - -static asymbol * -irix_core_make_empty_symbol (abfd) - bfd *abfd; -{ - asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); - if (new) - new->the_bfd = abfd; - return new; -} - -#define irix_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound -#define irix_core_get_symtab _bfd_nosymbols_get_symtab -#define irix_core_print_symbol _bfd_nosymbols_print_symbol -#define irix_core_get_symbol_info _bfd_nosymbols_get_symbol_info -#define irix_core_bfd_is_local_label_name \ - _bfd_nosymbols_bfd_is_local_label_name -#define irix_core_get_lineno _bfd_nosymbols_get_lineno -#define irix_core_find_nearest_line _bfd_nosymbols_find_nearest_line -#define irix_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol -#define irix_core_read_minisymbols _bfd_nosymbols_read_minisymbols -#define irix_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol - /* If somebody calls any byte-swapping routines, shoot them. */ static void -swap_abort() +swap_abort(void) { abort(); /* This way doesn't require any declaration for ANSI to fuck up */ } -#define NO_GET ((bfd_vma (*) PARAMS (( const bfd_byte *))) swap_abort ) -#define NO_PUT ((void (*) PARAMS ((bfd_vma, bfd_byte *))) swap_abort ) -#define NO_SIGNED_GET \ - ((bfd_signed_vma (*) PARAMS ((const bfd_byte *))) swap_abort ) -const bfd_target irix_core_vec = +#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_irix_vec = { "irix-core", bfd_target_unknown_flavour, @@ -236,44 +289,49 @@ const bfd_target irix_core_vec = HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ - 0, /* symbol prefix */ + 0, /* symbol prefix */ ' ', /* ar_pad_char */ 16, /* ar_max_namelen */ - NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit data */ - NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit data */ - NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit data */ - NO_GET, NO_SIGNED_GET, NO_PUT, /* 64 bit hdrs */ - NO_GET, NO_SIGNED_GET, NO_PUT, /* 32 bit hdrs */ - NO_GET, NO_SIGNED_GET, NO_PUT, /* 16 bit hdrs */ + 0, /* match_priority */ + NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit data */ + NO_GET, NO_GETS, NO_PUT, /* 32 bit data */ + NO_GET, NO_GETS, NO_PUT, /* 16 bit data */ + NO_GET64, NO_GETS64, NO_PUT64, /* 64 bit hdrs */ + NO_GET, NO_GETS, NO_PUT, /* 32 bit hdrs */ + NO_GET, NO_GETS, NO_PUT, /* 16 bit hdrs */ { /* bfd_check_format */ - _bfd_dummy_target, /* unknown format */ - _bfd_dummy_target, /* object file */ - _bfd_dummy_target, /* archive */ - irix_core_core_file_p /* a core file */ + _bfd_dummy_target, /* unknown format */ + _bfd_dummy_target, /* object file */ + _bfd_dummy_target, /* archive */ + irix_core_core_file_p /* a core file */ }, { /* bfd_set_format */ - bfd_false, bfd_false, - bfd_false, bfd_false + _bfd_bool_bfd_false_error, + _bfd_bool_bfd_false_error, + _bfd_bool_bfd_false_error, + _bfd_bool_bfd_false_error }, { /* bfd_write_contents */ - bfd_false, bfd_false, - bfd_false, bfd_false + _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 (irix_core), - BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), - BFD_JUMP_TABLE_SYMBOLS (irix_core), - BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), - BFD_JUMP_TABLE_WRITE (_bfd_generic), - BFD_JUMP_TABLE_LINK (_bfd_nolink), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), + + BFD_JUMP_TABLE_GENERIC (_bfd_generic), + BFD_JUMP_TABLE_COPY (_bfd_generic), + BFD_JUMP_TABLE_CORE (irix_core), + 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 /* backend_data */ -}; + + NULL /* backend_data */ + }; #endif /* IRIX_CORE */