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Fix -Wunused-variable warnings related to conditional compilation

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Some variables are not used when !HAVE_ELF, so avoid declaring them in
that case.

gdb/ChangeLog:

	* arm-tdep.c (arm_gdbarch_init): Declare attr_arch and
	attr_profile in HAVE_ELF.
	* rs6000-tdep.c (bfd_uses_spe_extensions): Declare vector_abi in
	HAVE_ELF.
This commit is contained in:
Simon Marchi 2018-07-21 22:21:57 -04:00
parent dcc0660f04
commit 17cbafdbbe
3 changed files with 16 additions and 9 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2018-07-21 Simon Marchi <simon.marchi@polymtl.ca>
* arm-tdep.c (arm_gdbarch_init): Declare attr_arch and
attr_profile in HAVE_ELF.
* rs6000-tdep.c (bfd_uses_spe_extensions): Declare vector_abi in
HAVE_ELF.
2018-07-20 Simon Marchi <simon.marchi@polymtl.ca>
* frame.c (frame_register_unwind): Change parameter name.

13
gdb/arm-tdep.c
View File

@ -8955,7 +8955,6 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
else if (ei_osabi == ELFOSABI_NONE || ei_osabi == ELFOSABI_GNU)
{
int eabi_ver = EF_ARM_EABI_VERSION (e_flags);
int attr_arch, attr_profile;
switch (eabi_ver)
{
@ -9026,11 +9025,13 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
executable file includes build attributes; GCC does
copy them to the executable, but e.g. RealView does
not. */
attr_arch = bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_PROC,
Tag_CPU_arch);
attr_profile = bfd_elf_get_obj_attr_int (info.abfd,
OBJ_ATTR_PROC,
Tag_CPU_arch_profile);
int attr_arch
= bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_PROC,
Tag_CPU_arch);
int attr_profile
= bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_PROC,
Tag_CPU_arch_profile);
/* GCC specifies the profile for v6-M; RealView only
specifies the profile for architectures starting with
V7 (as opposed to architectures with a tag

5
gdb/rs6000-tdep.c
View File

@ -3558,7 +3558,6 @@ bfd_uses_spe_extensions (bfd *abfd)
bfd_size_type size;
gdb_byte *ptr;
int success = 0;
int vector_abi;
if (!abfd)
return 0;
@ -3567,8 +3566,8 @@ bfd_uses_spe_extensions (bfd *abfd)
/* Using Tag_GNU_Power_ABI_Vector here is a bit of a hack, as the user
could be using the SPE vector abi without actually using any spe
bits whatsoever. But it's close enough for now. */
vector_abi = bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_GNU,
Tag_GNU_Power_ABI_Vector);
int vector_abi = bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_GNU,
Tag_GNU_Power_ABI_Vector);
if (vector_abi == 3)
return 1;
#endif