diff options
Diffstat (limited to 'bfd/hpux-core.c')
| -rw-r--r-- | bfd/hpux-core.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/bfd/hpux-core.c b/bfd/hpux-core.c index 30967c9fc30..347de2170f3 100644 --- a/bfd/hpux-core.c +++ b/bfd/hpux-core.c @@ -115,11 +115,11 @@ 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; flagword flags; - bfd_size_type _raw_size; + bfd_size_type size; bfd_vma vma; unsigned int alignment_power; { @@ -137,7 +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; @@ -145,6 +145,17 @@ 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 (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. @@ -207,7 +218,7 @@ 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) @@ -276,7 +287,8 @@ 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); @@ -300,6 +312,29 @@ 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 |