X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fnetbsd-core.c;h=83ad33060fc46f1dbd2dd566066a2572d90b78de;hb=675800364bfdbc29ee034681339e4b4a137bb2f5;hp=21b184dce3bc0faf8a1579ea278d84b1fe5aea59;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/netbsd-core.c b/bfd/netbsd-core.c index 21b184dce3..83ad33060f 100644 --- a/bfd/netbsd-core.c +++ b/bfd/netbsd-core.c @@ -1,251 +1,318 @@ /* BFD back end for NetBSD style core files - Copyright 1988, 89, 91, 92, 93, 96, 1998 Free Software Foundation, Inc. + Copyright (C) 1988-2020 Free Software Foundation, Inc. Written by Paul Kranenburg, EUR -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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" -#include "libaout.h" /* BFD a.out internal data structures */ +#include "libaout.h" /* BFD a.out internal data structures. */ #include #include #include #include -/* - * FIXME: On NetBSD/sparc CORE_FPU_OFFSET should be (sizeof(struct trapframe)) - */ +/* The machine ID for OpenBSD/sparc64 and older versions of + NetBSD/sparc64 overlaps with M_MIPS1. */ +#define M_SPARC64_OPENBSD M_MIPS1 -struct netbsd_core_struct { - struct core core; -} *rawptr; +/* Offset of StackGhost cookie within `struct md_coredump' on + OpenBSD/sparc. */ +#define SPARC_WCOOKIE_OFFSET 344 -/* forward declarations */ +/* Offset of StackGhost cookie within `struct md_coredump' on + OpenBSD/sparc64. */ +#define SPARC64_WCOOKIE_OFFSET 832 -static const bfd_target * netbsd_core_file_p PARAMS ((bfd *abfd)); -static char * netbsd_core_file_failing_command PARAMS ((bfd *abfd)); -static int netbsd_core_file_failing_signal PARAMS ((bfd *abfd)); -static boolean netbsd_core_file_matches_executable_p - PARAMS ((bfd *core_bfd, bfd *exec_bfd)); -static void swap_abort PARAMS ((void)); +#define netbsd_core_file_matches_executable_p generic_core_file_matches_executable_p +#define netbsd_core_file_pid _bfd_nocore_core_file_pid -/* Handle NetBSD-style core dump file. */ +struct netbsd_core_struct +{ + struct core core; +} *rawptr; -/* ARGSUSED */ -static const bfd_target * -netbsd_core_file_p (abfd) - bfd *abfd; +/* Handle NetBSD-style core dump file. */ +static bfd_cleanup +netbsd_core_file_p (bfd *abfd) { - int i, val, offset; - asection *asect, *asect2; - struct core core; - struct coreseg coreseg; - - val = bfd_read ((void *)&core, 1, sizeof core, abfd); - if (val != sizeof core) { - /* Too small to be a core file */ - bfd_set_error(bfd_error_wrong_format); - return 0; + int val; + unsigned i; + file_ptr offset; + asection *asect; + struct core core; + struct coreseg coreseg; + size_t amt = sizeof core; + + val = bfd_bread (&core, amt, abfd); + if (val != sizeof core) + { + /* Too small to be a core file. */ + bfd_set_error (bfd_error_wrong_format); + return 0; + } + + if (CORE_GETMAGIC (core) != COREMAGIC) + { + bfd_set_error (bfd_error_wrong_format); + return 0; + } + + amt = sizeof (struct netbsd_core_struct); + rawptr = (struct netbsd_core_struct *) bfd_zalloc (abfd, amt); + if (rawptr == NULL) + return 0; + + rawptr->core = core; + abfd->tdata.netbsd_core_data = rawptr; + + offset = core.c_hdrsize; + for (i = 0; i < core.c_nseg; i++) + { + const char *sname; + flagword flags; + + if (bfd_seek (abfd, offset, SEEK_SET) != 0) + goto punt; + + val = bfd_bread (&coreseg, sizeof coreseg, abfd); + if (val != sizeof coreseg) + { + bfd_set_error (bfd_error_file_truncated); + goto punt; } - - if (CORE_GETMAGIC(core) != COREMAGIC) { - bfd_set_error(bfd_error_wrong_format); - return 0; + if (CORE_GETMAGIC (coreseg) != CORESEGMAGIC) + { + bfd_set_error (bfd_error_wrong_format); + goto punt; } - rawptr = (struct netbsd_core_struct *) - bfd_zalloc (abfd, sizeof (struct netbsd_core_struct)); - if (rawptr == NULL) { - bfd_set_error(bfd_error_no_memory); - return 0; + offset += core.c_seghdrsize; + + switch (CORE_GETFLAG (coreseg)) + { + case CORE_CPU: + sname = ".reg"; + flags = SEC_ALLOC + SEC_HAS_CONTENTS; + break; + case CORE_DATA: + sname = ".data"; + flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; + break; + case CORE_STACK: + sname = ".stack"; + flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; + break; + default: + sname = ".unknown"; + flags = SEC_ALLOC + SEC_HAS_CONTENTS; + break; } - - rawptr->core = core; - abfd->tdata.netbsd_core_data = rawptr; - - offset = core.c_hdrsize; - for (i = 0; i < core.c_nseg; i++) { - - if (bfd_seek (abfd, offset, SEEK_SET) != 0) - goto punt; - - val = bfd_read ((void *)&coreseg, 1, sizeof coreseg, abfd); - if (val != sizeof coreseg) { - bfd_set_error(bfd_error_file_truncated); - goto punt; - } - if (CORE_GETMAGIC(coreseg) != CORESEGMAGIC) { - bfd_set_error(bfd_error_wrong_format); - goto punt; - } - - offset += core.c_seghdrsize; - - asect = (asection *) bfd_zalloc (abfd, sizeof(asection)); - if (asect == NULL) { - bfd_set_error(bfd_error_no_memory); - goto punt; - } - - asect->_raw_size = coreseg.c_size; - asect->vma = coreseg.c_addr; - asect->filepos = offset; - asect->alignment_power = 2; - asect->next = abfd->sections; - abfd->sections = asect; - abfd->section_count++; - offset += coreseg.c_size; - - switch (CORE_GETFLAG(coreseg)) { - case CORE_CPU: - asect->name = ".reg"; - asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS; -#ifdef CORE_FPU_OFFSET - /* Hackish... */ - asect->_raw_size = CORE_FPU_OFFSET; - asect2 = (asection *)bfd_zalloc (abfd, - sizeof (asection)); - if (asect2 == NULL) { - bfd_set_error(bfd_error_no_memory); - goto punt; - } - asect2->_raw_size = coreseg.c_size - CORE_FPU_OFFSET; - asect2->vma = 0; - asect2->filepos = asect->filepos + CORE_FPU_OFFSET; - asect2->alignment_power = 2; - asect2->next = abfd->sections; - asect2->name = ".reg2"; - asect2->flags = SEC_ALLOC + SEC_HAS_CONTENTS; - abfd->sections = asect2; - abfd->section_count++; -#endif - - break; - case CORE_DATA: - asect->name = ".data"; - asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS; - break; - case CORE_STACK: - asect->name = ".stack"; - asect->flags = SEC_ALLOC+SEC_LOAD+SEC_HAS_CONTENTS; - break; - } + asect = bfd_make_section_anyway_with_flags (abfd, sname, flags); + if (asect == NULL) + goto punt; + + asect->size = coreseg.c_size; + asect->vma = coreseg.c_addr; + asect->filepos = offset; + asect->alignment_power = 2; + + if (CORE_GETFLAG (coreseg) == CORE_CPU) + { + bfd_size_type wcookie_offset; + + switch (CORE_GETMID (core)) + { + case M_SPARC_NETBSD: + wcookie_offset = SPARC_WCOOKIE_OFFSET; + break; + case M_SPARC64_OPENBSD: + wcookie_offset = SPARC64_WCOOKIE_OFFSET; + break; + default: + wcookie_offset = 0; + break; + } + + if (wcookie_offset > 0 && coreseg.c_size > wcookie_offset) + { + /* Truncate the .reg section. */ + asect->size = wcookie_offset; + + /* And create the .wcookie section. */ + flags = SEC_ALLOC + SEC_HAS_CONTENTS; + asect = bfd_make_section_anyway_with_flags (abfd, ".wcookie", + flags); + if (asect == NULL) + goto punt; + + asect->size = coreseg.c_size - wcookie_offset; + asect->vma = 0; + asect->filepos = offset + wcookie_offset; + asect->alignment_power = 2; + } } - /* OK, we believe you. You're a core file (sure, sure). */ - return abfd->xvec; - -punt: { - asection *anext; - for (asect = abfd->sections; asect; asect = anext) { - anext = asect->next; - free((void *)asect); - } - } - free ((void *)rawptr); - abfd->tdata.netbsd_core_data = NULL; - abfd->sections = NULL; - abfd->section_count = 0; - return 0; + offset += coreseg.c_size; + } + + /* Set architecture from machine ID. */ + switch (CORE_GETMID (core)) + { + case M_ALPHA_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_alpha, 0); + break; + + case M_ARM6_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_3); + break; + + case M_X86_64_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_x86_64); + break; + + case M_386_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_i386, bfd_mach_i386_i386); + break; + + case M_68K_NETBSD: + case M_68K4K_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); + break; + + case M_HPPA_OPENBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_hppa, bfd_mach_hppa11); + break; + + case M_POWERPC_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_powerpc, bfd_mach_ppc); + break; + + case M_SPARC_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); + break; + + case M_SPARC64_NETBSD: + case M_SPARC64_OPENBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc_v9); + break; + + case M_VAX_NETBSD: + case M_VAX4K_NETBSD: + bfd_default_set_arch_mach (abfd, bfd_arch_vax, 0); + break; + } + + /* OK, we believe you. You're a core file (sure, sure). */ + return _bfd_no_cleanup; + + punt: + bfd_release (abfd, abfd->tdata.any); + abfd->tdata.any = NULL; + bfd_section_list_clear (abfd); + return 0; } static char* -netbsd_core_file_failing_command (abfd) - bfd *abfd; +netbsd_core_file_failing_command (bfd *abfd) { - /*return core_command (abfd);*/ + /*return core_command (abfd);*/ return abfd->tdata.netbsd_core_data->core.c_name; } -/* ARGSUSED */ static int -netbsd_core_file_failing_signal (abfd) - bfd *abfd; +netbsd_core_file_failing_signal (bfd *abfd) { /*return core_signal (abfd);*/ return abfd->tdata.netbsd_core_data->core.c_signo; } - -/* ARGSUSED */ -static boolean -netbsd_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd, *exec_bfd; -{ - return true; /* FIXME, We have no way of telling at this point */ -} /* 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 */ + /* This way doesn't require any declaration for ANSI to fuck up. */ + abort (); } -#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 netbsd_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_netbsd_vec = { "netbsd-core", bfd_target_unknown_flavour, - BFD_ENDIAN_UNKNOWN, /* target byte order */ - BFD_ENDIAN_UNKNOWN, /* target headers byte order */ - (HAS_RELOC | EXEC_P | /* object flags */ + BFD_ENDIAN_UNKNOWN, /* Target byte order. */ + BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */ + (HAS_RELOC | EXEC_P | /* Object flags. */ 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 */ - ' ', /* 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 */ - - { /* bfd_check_format */ - _bfd_dummy_target, /* unknown format */ - _bfd_dummy_target, /* object file */ - _bfd_dummy_target, /* archive */ - netbsd_core_file_p /* a core file */ + (SEC_HAS_CONTENTS | /* Section flags. */ + SEC_ALLOC | SEC_LOAD | SEC_RELOC), + 0, /* Symbol prefix. */ + ' ', /* ar_pad_char. */ + 16, /* ar_max_namelen. */ + 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. */ + netbsd_core_file_p /* A core file. */ }, - { /* bfd_set_format */ - bfd_false, bfd_false, - bfd_false, bfd_false + { /* bfd_set_format. */ + _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_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 (netbsd), - 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), - - (PTR) 0 /* backend_data */ -}; + + BFD_JUMP_TABLE_GENERIC (_bfd_generic), + BFD_JUMP_TABLE_COPY (_bfd_generic), + BFD_JUMP_TABLE_CORE (netbsd), + 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 /* Backend_data. */ + };