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2003-11-05 Jeff Johnston <jjohnstn@redhat.com> 

* ia64-tdep.c (struct gdbarch_tdep): Remove os_ident field.
        (ia64_gdbarch_init): Don't bother calculating the os.
        Instead use the gdbarch_info struct and look at the osabi field.
        Also use gdbarch_list_lookup_by_info() to look for a
        candidate gdbarch.
This commit is contained in:
Jeff Johnston 2003-11-05 20:32:42 +00:00
parent cd31fb03d2
commit 85bf2b9128
2 changed files with 14 additions and 35 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
2003-11-05 Jeff Johnston <jjohnstn@redhat.com>
* ia64-tdep.c (struct gdbarch_tdep): Remove os_ident field.
(ia64_gdbarch_init): Don't bother calculating the os.
Instead use the gdbarch_info struct and look at the osabi field.
Also use gdbarch_list_lookup_by_info() to look for a
candidate gdbarch.
2003-11-05 Kevin Buettner <kevinb@redhat.com>
* frv-tdep.c (frv_register_byte): Delete.

41
gdb/ia64-tdep.c
View File

@ -256,9 +256,6 @@ struct ia64_frame_cache
struct gdbarch_tdep
{
int os_ident; /* From the ELF header, one of the ELFOSABI_
constants: ELFOSABI_LINUX, ELFOSABI_AIX,
etc. */
CORE_ADDR (*sigcontext_register_address) (CORE_ADDR, int);
/* OS specific function which, given a frame address
and register number, returns the offset to the
@ -2710,47 +2707,21 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
int os_ident;
if (info.abfd != NULL
&& bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
{
os_ident = elf_elfheader (info.abfd)->e_ident[EI_OSABI];
/* If os_ident is 0, it is not necessarily the case that we're
on a SYSV system. (ELFOSABI_NONE is defined to be 0.)
GNU/Linux uses a note section to record OS/ABI info, but
leaves e_ident[EI_OSABI] zero. So we have to check for note
sections too. */
if (os_ident == 0)
{
bfd_map_over_sections (info.abfd,
process_note_abi_tag_sections,
&os_ident);
}
}
else
os_ident = -1;
for (arches = gdbarch_list_lookup_by_info (arches, &info);
arches != NULL;
arches = gdbarch_list_lookup_by_info (arches->next, &info))
{
tdep = gdbarch_tdep (arches->gdbarch);
if (tdep &&tdep->os_ident == os_ident)
return arches->gdbarch;
}
/* If there is already a candidate, use it. */
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return arches->gdbarch;
tdep = xmalloc (sizeof (struct gdbarch_tdep));
gdbarch = gdbarch_alloc (&info, tdep);
tdep->os_ident = os_ident;
/* Set the method of obtaining the sigcontext addresses at which
registers are saved. The method of checking to see if
native_find_global_pointer is nonzero to indicate that we're
on AIX is kind of hokey, but I can't think of a better way
to do it. */
if (os_ident == ELFOSABI_LINUX)
if (info.osabi == GDB_OSABI_LINUX)
tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;
else if (native_find_global_pointer != 0)
tdep->sigcontext_register_address = ia64_aix_sigcontext_register_address;
@ -2764,7 +2735,7 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
generic_elf_find_global_pointer. This arrangement should (in
theory) allow us to cross debug GNU/Linux binaries from an AIX
machine. */
if (os_ident == ELFOSABI_LINUX)
if (info.osabi == GDB_OSABI_LINUX)
tdep->find_global_pointer = generic_elf_find_global_pointer;
else if (native_find_global_pointer != 0)
tdep->find_global_pointer = native_find_global_pointer;