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add s390_gcc_target_options

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This adds s390_gcc_target_options, an implementation of the new
"gcc_target_options" gdbarch method.  This was needed because the
default implementation of the method doesn't work properly for S390,
as this architecture needs "-m31" rather than "-m32".

gdb/ChangeLog
2014-12-12  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* s390-linux-tdep.c (s390_gcc_target_options): New function.
	(s390_gdbarch_init): Add it to gdbarch.
This commit is contained in:
Jan Kratochvil 2014-05-14 14:33:41 -06:00
parent 3bc3cebe8a
commit a2658febe2
2 changed files with 14 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2014-12-12 Jan Kratochvil <jan.kratochvil@redhat.com>
* s390-linux-tdep.c (s390_gcc_target_options): New function.
(s390_gdbarch_init): Add it to gdbarch.
2014-12-12 Jan Kratochvil <jan.kratochvil@redhat.com>
* linux-tdep.c: Include objfiles.h and infcall.h.

9
gdb/s390-linux-tdep.c
View File

@ -2808,6 +2808,14 @@ s390_address_class_name_to_type_flags (struct gdbarch *gdbarch,
return 0;
}
/* Implement gdbarch_gcc_target_options. GCC does not know "-m32". */
static char *
s390_gcc_target_options (struct gdbarch *gdbarch)
{
return xstrdup ("-m31");
}
/* Implementation of `gdbarch_stap_is_single_operand', as defined in
gdbarch.h. */
@ -3104,6 +3112,7 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
case ABI_LINUX_S390:
set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);