X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fhpux-core.c;h=15cae1020765ca5bc021a83675876aa70844c292;hb=ca61edf2ffd9bb92243a2c8d8ad89044a93e5727;hp=81d85eaa221eb3e1ec20cf72e369e610eb61c692;hpb=3f3c5c340426c1a7d0006cd92f68d394a100d287;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/hpux-core.c b/bfd/hpux-core.c index 81d85eaa22..15cae10207 100644 --- a/bfd/hpux-core.c +++ b/bfd/hpux-core.c @@ -1,30 +1,32 @@ /* BFD back-end for HP/UX core files. - Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002 - Free Software Foundation, Inc. + Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002, 2003, 2004, 2006, + 2007 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 HP/UX style core files. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #if defined (HOST_HPPAHPUX) || defined (HOST_HP300HPUX) || defined (HOST_HPPAMPEIX) @@ -61,7 +63,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ # endif #endif #include +#ifdef HPUX_CORE #include +#endif #include /* After a.out.h */ #include @@ -99,25 +103,19 @@ struct hpux_core_struct #define core_command(bfd) (core_hdr(bfd)->cmd) #define core_kernel_thread_id(bfd) (core_hdr(bfd)->lwpid) #define core_user_thread_id(bfd) (core_hdr(bfd)->user_tid) +#define hpux_core_core_file_matches_executable_p generic_core_file_matches_executable_p -static asection *make_bfd_asection - PARAMS ((bfd *, const char *, flagword, bfd_size_type, bfd_vma, - unsigned int)); -static const bfd_target *hpux_core_core_file_p PARAMS ((bfd *)); -static char *hpux_core_core_file_failing_command PARAMS ((bfd *)); -static int hpux_core_core_file_failing_signal PARAMS ((bfd *)); -static boolean hpux_core_core_file_matches_executable_p - PARAMS ((bfd *, bfd *)); -static void swap_abort PARAMS ((void)); +static asection *make_bfd_asection (bfd *, const char *, flagword, + bfd_size_type, bfd_vma, unsigned int); +static const bfd_target *hpux_core_core_file_p (bfd *); +static char *hpux_core_core_file_failing_command (bfd *); +static int hpux_core_core_file_failing_signal (bfd *); +static void swap_abort (void); static asection * -make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) - bfd *abfd; - const char *name; - flagword flags; - bfd_size_type _raw_size; - bfd_vma vma; - unsigned int alignment_power; +make_bfd_asection (bfd *abfd, const char *name, flagword flags, + bfd_size_type size, bfd_vma vma, + unsigned int alignment_power) { asection *asect; char *newname; @@ -128,12 +126,11 @@ make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) strcpy (newname, name); - asect = bfd_make_section_anyway (abfd, newname); + asect = bfd_make_section_anyway_with_flags (abfd, newname, flags); if (!asect) return NULL; - asect->flags = flags; - asect->_raw_size = _raw_size; + asect->size = size; asect->vma = vma; asect->filepos = bfd_tell (abfd); asect->alignment_power = alignment_power; @@ -141,6 +138,17 @@ make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) return asect; } +/* Return true if the given core file section corresponds to a thread, + based on its name. */ + +static int +thread_section_p (bfd *abfd ATTRIBUTE_UNUSED, + asection *sect, + void *obj ATTRIBUTE_UNUSED) +{ + return CONST_STRNEQ (sect->name, ".reg/"); +} + /* this function builds a bfd target if the file is a corefile. It returns null or 0 if it finds out thaat it is not a core file. The way it checks this is by looking for allowed 'type' field values. @@ -151,8 +159,7 @@ make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) (I am just guessing here!) */ static const bfd_target * -hpux_core_core_file_p (abfd) - bfd *abfd; +hpux_core_core_file_p (bfd *abfd) { int good_sections = 0; int unknown_sections = 0; @@ -203,7 +210,7 @@ hpux_core_core_file_p (abfd) /* However, we also want to create those sections with the file positioned at the start of the record, it seems. */ - if (bfd_seek (abfd, (file_ptr) -core_header.len, SEEK_CUR) != 0) + if (bfd_seek (abfd, -((file_ptr) core_header.len), SEEK_CUR) != 0) break; #if defined(PROC_INFO_HAS_THREAD_ID) @@ -229,10 +236,11 @@ hpux_core_core_file_p (abfd) if (core_kernel_thread_id (abfd) == 0) { if (!make_bfd_asection (abfd, ".reg", - SEC_HAS_CONTENTS, - core_header.len, - (int) &proc_info - (int) & proc_info.hw_regs, - 2)) + SEC_HAS_CONTENTS, + core_header.len, + (bfd_vma) offsetof (struct proc_info, + hw_regs), + 2)) goto fail; } else @@ -244,17 +252,19 @@ hpux_core_core_file_p (abfd) if (!make_bfd_asection (abfd, ".reg", SEC_HAS_CONTENTS, core_header.len, - (int) &proc_info - (int) & proc_info.hw_regs, + (bfd_vma)offsetof (struct proc_info, + hw_regs), 2)) goto fail; } /* We always make one of these sections, for every thread. */ sprintf (secname, ".reg/%d", core_kernel_thread_id (abfd)); if (!make_bfd_asection (abfd, secname, - SEC_HAS_CONTENTS, - core_header.len, - (int) &proc_info - (int) & proc_info.hw_regs, - 2)) + SEC_HAS_CONTENTS, + core_header.len, + (bfd_vma) offsetof (struct proc_info, + hw_regs), + 2)) goto fail; } core_signal (abfd) = proc_info.sig; @@ -272,7 +282,8 @@ hpux_core_core_file_p (abfd) case CORE_ANON_SHMEM: if (!make_bfd_asection (abfd, ".data", SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS, - core_header.len, core_header.addr, 2)) + core_header.len, + (bfd_vma) core_header.addr, 2)) goto fail; bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR); @@ -296,6 +307,29 @@ hpux_core_core_file_p (abfd) /* OK, we believe you. You're a core file (sure, sure). */ + /* On HP/UX, we sometimes encounter core files where none of the threads + was found to be the running thread (ie the signal was set to -1 for + all threads). This happens when the program was aborted externally + via a TT_CORE ttrace system call. In that case, we just pick one + thread at random to be the active thread. */ + if (core_kernel_thread_id (abfd) != 0 + && bfd_get_section_by_name (abfd, ".reg") == NULL) + { + asection *asect = bfd_sections_find_if (abfd, thread_section_p, NULL); + asection *reg_sect; + + if (asect != NULL) + { + reg_sect = make_bfd_asection (abfd, ".reg", asect->flags, + asect->size, asect->vma, + asect->alignment_power); + if (reg_sect == NULL) + goto fail; + + reg_sect->filepos = asect->filepos; + } + } + /* Were there sections of unknown type? If so, yet there were at least some complete sections of known type, then, issue a warning. Possibly the core file was generated on a version @@ -317,39 +351,31 @@ hpux_core_core_file_p (abfd) } static char * -hpux_core_core_file_failing_command (abfd) - bfd *abfd; +hpux_core_core_file_failing_command (bfd *abfd) { return core_command (abfd); } -/* ARGSUSED */ static int -hpux_core_core_file_failing_signal (abfd) - bfd *abfd; +hpux_core_core_file_failing_signal (bfd *abfd) { return core_signal (abfd); } -/* ARGSUSED */ -static boolean -hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd ATTRIBUTE_UNUSED; - bfd *exec_bfd ATTRIBUTE_UNUSED; -{ - 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 */ } -#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 ) + +#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 hpux_core_vec = { @@ -364,26 +390,26 @@ const bfd_target hpux_core_vec = 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 */ + 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 */ - hpux_core_core_file_p /* a core file */ + _bfd_dummy_target, /* unknown format */ + _bfd_dummy_target, /* object file */ + _bfd_dummy_target, /* archive */ + hpux_core_core_file_p /* a core file */ }, { /* bfd_set_format */ - bfd_false, bfd_false, - bfd_false, bfd_false + bfd_false, bfd_false, + bfd_false, bfd_false }, { /* bfd_write_contents */ - bfd_false, bfd_false, - bfd_false, bfd_false + bfd_false, bfd_false, + bfd_false, bfd_false }, BFD_JUMP_TABLE_GENERIC (_bfd_generic), @@ -399,4 +425,4 @@ const bfd_target hpux_core_vec = NULL, (PTR) 0 /* backend_data */ -}; + };