diff options
| author | Hans-Peter Nilsson <hp@axis.com> | 2000-12-29 05:44:51 +0000 |
|---|---|---|
| committer | Hans-Peter Nilsson <hp@axis.com> | 2000-12-29 05:44:51 +0000 |
| commit | a77a9fefcf7641773dbc585f636890feb7814b06 (patch) | |
| tree | 092ae614aa28bad4615d252116513d57af71c637 /bfd | |
| parent | e4897a3288f37d5f69e8acd256a6e83e607fe8d8 (diff) | |
| download | gdb-a77a9fefcf7641773dbc585f636890feb7814b06.zip gdb-a77a9fefcf7641773dbc585f636890feb7814b06.tar.gz gdb-a77a9fefcf7641773dbc585f636890feb7814b06.tar.bz2 | |
* elfcode.h (elf_object_p): Also restore the bfd mach field on
error, by calling bfd_default_set_arch_mach with incoming
values.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elfcode.h | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 7fdbcd2..14063b9 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2000-12-29 Hans-Peter Nilsson <hp@bitrange.com> + + * elfcode.h (elf_object_p): Also restore the bfd mach field on + error, by calling bfd_default_set_arch_mach with incoming + values. + 2000-12-26 Kazu Hirata <kazu@hxi.com> * vaxnetbsd.c: Fix formatting. diff --git a/bfd/elfcode.h b/bfd/elfcode.h index b94f74b..40bbaf5 100644 --- a/bfd/elfcode.h +++ b/bfd/elfcode.h @@ -502,6 +502,8 @@ elf_object_p (abfd) struct elf_obj_tdata *preserved_tdata = elf_tdata (abfd); struct sec *preserved_sections = abfd->sections; unsigned int preserved_section_count = abfd->section_count; + enum bfd_architecture previous_arch = bfd_get_arch (abfd); + unsigned long previous_mach = bfd_get_mach (abfd); struct elf_obj_tdata *new_tdata = NULL; asection *s; @@ -742,6 +744,16 @@ elf_object_p (abfd) return (abfd->xvec); got_wrong_format_error: + /* There is way too much undoing of half-known state here. The caller, + bfd_check_format_matches, really shouldn't iterate on live bfd's to + check match/no-match like it does. We have to rely on that a call to + bfd_default_set_arch_mach with the previously known mach, undoes what + was done by the first bfd_default_set_arch_mach (with mach 0) here. + For this to work, only elf-data and the mach may be changed by the + target-specific elf_backend_object_p function. Note that saving the + whole bfd here and restoring it would be even worse; the first thing + you notice is that the cached bfd file position gets out of sync. */ + bfd_default_set_arch_mach (abfd, previous_arch, previous_mach); bfd_set_error (bfd_error_wrong_format); got_no_match: if (new_tdata != NULL |