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* hpux-core.c (thread_section_p): New function.

Browse Source 
(hpux_core_core_file_p): Fix computation of offset in call
        to bfd_seek. Create a ".reg" section from an arbitrary
        ".reg/<id>" section if none was created after having read
        all sections.
This commit is contained in:
Joel Brobecker 2004-09-13 03:51:22 +00:00
parent 2159ac21e2
commit 94ea025abd
2 changed files with 43 additions and 1 deletions
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8
bfd/ChangeLog
View File

@ -1,3 +1,11 @@
2004-09-10 Joel Brobecker <brobecker@gnat.com>
* hpux-core.c (thread_section_p): New function.
(hpux_core_core_file_p): Fix computation of offset in call
to bfd_seek. Create a ".reg" section from an arbitrary
".reg/<id>" section if none was created after having read
all sections.
2004-09-11 Andreas Schwab <schwab@suse.de>
* acinclude.m4: Fix spelling of ACX_NONCANONICAL_*.

36
bfd/hpux-core.c
View File

@ -145,6 +145,17 @@ make_bfd_asection (abfd, name, flags, 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)
@ -301,6 +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