X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fhpux-core.c;h=e68a715b588fd5e18a2c052224ac50ffb2322c14;hb=0bf60745767d2465c81ee57ae7705a62d6d8fafe;hp=bfaa2c21b258275923772a912195541c6b6bf2af;hpb=30727aa6d12fb866494020c0b62ab265a2bdcdfe;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/hpux-core.c b/bfd/hpux-core.c index bfaa2c21b2..e68a715b58 100644 --- a/bfd/hpux-core.c +++ b/bfd/hpux-core.c @@ -1,5 +1,6 @@ /* BFD back-end for HP/UX core files. - Copyright 1993, 94, 95, 96, 97, 1998 Free Software Foundation, Inc. + Copyright 1993, 1994, 1996, 1998, 1999, 2001, 2002, 2003, 2004 + Free Software Foundation, Inc. Written by Stu Grossman, Cygnus Support. Converted to back-end form by Ian Lance Taylor, Cygnus SUpport @@ -17,7 +18,7 @@ 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. */ +Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* This file can only be compiled on systems which use HP/UX style core files. */ @@ -85,7 +86,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* .lwpid and .user_tid are only valid if PROC_INFO_HAS_THREAD_ID, else they are set to 0. Also, until HP-UX implements MxN threads, .user_tid and .lwpid are synonymous. */ -struct hpux_core_struct +struct hpux_core_struct { int sig; int lwpid; /* Kernel thread ID. */ @@ -99,21 +100,33 @@ struct hpux_core_struct #define core_kernel_thread_id(bfd) (core_hdr(bfd)->lwpid) #define core_user_thread_id(bfd) (core_hdr(bfd)->user_tid) -static void swap_abort PARAMS ((void)); +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 bfd_boolean hpux_core_core_file_matches_executable_p + PARAMS ((bfd *, bfd *)); +static void swap_abort + PARAMS ((void)); static asection * -make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) +make_bfd_asection (abfd, name, flags, size, vma, alignment_power) bfd *abfd; - CONST char *name; + const char *name; flagword flags; - bfd_size_type _raw_size; + bfd_size_type size; bfd_vma vma; unsigned int alignment_power; { asection *asect; char *newname; - newname = bfd_alloc (abfd, strlen (name) + 1); + newname = bfd_alloc (abfd, (bfd_size_type) strlen (name) + 1); if (!newname) return NULL; @@ -124,7 +137,7 @@ make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) 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; @@ -132,17 +145,17 @@ make_bfd_asection (abfd, name, flags, _raw_size, vma, alignment_power) return asect; } -static asymbol * -hpux_core_make_empty_symbol (abfd) - bfd *abfd; +/* 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) { - asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol)); - if (new) - new->the_bfd = abfd; - return new; + return (strncmp (bfd_section_name (abfd, sect), ".reg/", 5) == 0); } - /* 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. @@ -160,7 +173,7 @@ hpux_core_core_file_p (abfd) int unknown_sections = 0; core_hdr (abfd) = (struct hpux_core_struct *) - bfd_zalloc (abfd, sizeof (struct hpux_core_struct)); + bfd_zalloc (abfd, (bfd_size_type) sizeof (struct hpux_core_struct)); if (!core_hdr (abfd)) return NULL; @@ -169,21 +182,23 @@ hpux_core_core_file_p (abfd) int val; struct corehead core_header; - val = bfd_read ((void *) &core_header, 1, sizeof core_header, abfd); + val = bfd_bread ((void *) &core_header, + (bfd_size_type) sizeof core_header, abfd); if (val <= 0) break; switch (core_header.type) { case CORE_KERNEL: case CORE_FORMAT: - bfd_seek (abfd, core_header.len, SEEK_CUR); /* Just skip this */ + /* Just skip this. */ + bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR); good_sections++; break; case CORE_EXEC: { struct proc_exec proc_exec; - if (bfd_read ((void *) &proc_exec, 1, core_header.len, abfd) - != core_header.len) + if (bfd_bread ((void *) &proc_exec, (bfd_size_type) core_header.len, + abfd) != core_header.len) break; strncpy (core_command (abfd), proc_exec.cmd, MAXCOMLEN + 1); good_sections++; @@ -197,13 +212,13 @@ hpux_core_core_file_p (abfd) /* We need to read this section, 'cause we need to determine whether the core-dumped app was threaded before we create any .reg sections. */ - if (bfd_read (&proc_info, 1, core_header.len, abfd) + if (bfd_bread (&proc_info, (bfd_size_type) core_header.len, abfd) != core_header.len) break; /* However, we also want to create those sections with the file positioned at the start of the record, it seems. */ - if (bfd_seek (abfd, -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) @@ -229,11 +244,12 @@ 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)) - return NULL; + SEC_HAS_CONTENTS, + core_header.len, + (bfd_vma) offsetof (struct proc_info, + hw_regs), + 2)) + goto fail; } else { @@ -244,21 +260,23 @@ 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)) - return NULL; + 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)) - return NULL; + SEC_HAS_CONTENTS, + core_header.len, + (bfd_vma) offsetof (struct proc_info, + hw_regs), + 2)) + goto fail; } core_signal (abfd) = proc_info.sig; - if (bfd_seek (abfd, core_header.len, SEEK_CUR) != 0) + if (bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR) != 0) break; good_sections++; } @@ -272,10 +290,11 @@ 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)) - return NULL; + core_header.len, + (bfd_vma) core_header.addr, 2)) + goto fail; - bfd_seek (abfd, core_header.len, SEEK_CUR); + bfd_seek (abfd, (file_ptr) core_header.len, SEEK_CUR); good_sections++; break; @@ -288,13 +307,37 @@ hpux_core_core_file_p (abfd) */ unknown_sections++; break; - - default: return 0; /*unrecognized core file type */ + + default: + goto fail; /*unrecognized core file type */ } } /* 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 @@ -307,6 +350,12 @@ hpux_core_core_file_p (abfd) abfd->filename); return abfd->xvec; + + fail: + bfd_release (abfd, core_hdr (abfd)); + core_hdr (abfd) = NULL; + bfd_section_list_clear (abfd); + return NULL; } static char * @@ -316,7 +365,6 @@ hpux_core_core_file_failing_command (abfd) return core_command (abfd); } -/* ARGSUSED */ static int hpux_core_core_file_failing_signal (abfd) bfd *abfd; @@ -324,36 +372,27 @@ hpux_core_core_file_failing_signal (abfd) return core_signal (abfd); } -/* ARGSUSED */ -static boolean +static bfd_boolean hpux_core_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *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 */ + return TRUE; /* FIXME, We have no way of telling at this point */ } -#define hpux_core_get_symtab_upper_bound _bfd_nosymbols_get_symtab_upper_bound -#define hpux_core_get_symtab _bfd_nosymbols_get_symtab -#define hpux_core_print_symbol _bfd_nosymbols_print_symbol -#define hpux_core_get_symbol_info _bfd_nosymbols_get_symbol_info -#define hpux_core_bfd_is_local_label_name \ - _bfd_nosymbols_bfd_is_local_label_name -#define hpux_core_get_lineno _bfd_nosymbols_get_lineno -#define hpux_core_find_nearest_line _bfd_nosymbols_find_nearest_line -#define hpux_core_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol -#define hpux_core_read_minisymbols _bfd_nosymbols_read_minisymbols -#define hpux_core_minisymbol_to_symbol _bfd_nosymbols_minisymbol_to_symbol - /* 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 */ } -#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 = { @@ -368,39 +407,39 @@ 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), - BFD_JUMP_TABLE_COPY (_bfd_generic), - BFD_JUMP_TABLE_CORE (hpux_core), - BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), - BFD_JUMP_TABLE_SYMBOLS (hpux_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 (hpux_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 */ -}; + };