* elf32-ppc.c (ppc_elf_merge_obj_attributes): Add support for

Tag_GNU_Power_ABI_Vector.

	* readelf.c (display_power_gnu_attribute): Add support for
	Tag_GNU_Power_ABI_Vector.

	* ppc.h (Tag_GNU_Power_ABI_Vector): New.

	* ld-powerpc/attr-gnu-8-1.s, ld-powerpc/attr-gnu-8-11.d,
	ld-powerpc/attr-gnu-8-2.s, ld-powerpc/attr-gnu-8-23.d,
	ld-powerpc/attr-gnu-8-3.s, ld-powerpc/attr-gnu-8-31.d: New.
	* ld-powerpc/powerpc.exp: Run new tests.
This commit is contained in:
Daniel Jacobowitz 2007-10-25 15:20:24 +00:00
parent 7c8b76cc17
commit c6e653525f
14 changed files with 152 additions and 16 deletions

View file

@ -1,3 +1,8 @@
2007-10-25 Daniel Jacobowitz <dan@codesourcery.com>
* elf32-ppc.c (ppc_elf_merge_obj_attributes): Add support for
Tag_GNU_Power_ABI_Vector.
2007-10-25 Joseph Myers <joseph@codesourcery.com>
* elfxx-mips.c (_bfd_mips_elf_modify_segment_map): Do not add

View file

@ -3603,8 +3603,8 @@ ppc_elf_check_relocs (bfd *abfd,
static bfd_boolean
ppc_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd)
{
obj_attribute *in_attr;
obj_attribute *out_attr;
obj_attribute *in_attr, *in_attrs;
obj_attribute *out_attr, *out_attrs;
if (!elf_known_obj_attributes_proc (obfd)[0].i)
{
@ -3618,33 +3618,84 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd)
return TRUE;
}
in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
/* Check for conflicting Tag_GNU_Power_ABI_FP attributes and merge
non-conflicting ones. */
in_attr = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
out_attr = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
if (in_attr[Tag_GNU_Power_ABI_FP].i != out_attr[Tag_GNU_Power_ABI_FP].i)
in_attr = &in_attrs[Tag_GNU_Power_ABI_FP];
out_attr = &out_attrs[Tag_GNU_Power_ABI_FP];
if (in_attr->i != out_attr->i)
{
out_attr[Tag_GNU_Power_ABI_FP].type = 1;
if (out_attr[Tag_GNU_Power_ABI_FP].i == 0)
out_attr[Tag_GNU_Power_ABI_FP].i = in_attr[Tag_GNU_Power_ABI_FP].i;
else if (in_attr[Tag_GNU_Power_ABI_FP].i == 0)
out_attr->type = 1;
if (out_attr->i == 0)
out_attr->i = in_attr->i;
else if (in_attr->i == 0)
;
else if (out_attr[Tag_GNU_Power_ABI_FP].i == 1
&& in_attr[Tag_GNU_Power_ABI_FP].i == 2)
else if (out_attr->i == 1 && in_attr->i == 2)
_bfd_error_handler
(_("Warning: %B uses hard float, %B uses soft float"), obfd, ibfd);
else if (out_attr[Tag_GNU_Power_ABI_FP].i == 2
&& in_attr[Tag_GNU_Power_ABI_FP].i == 1)
else if (out_attr->i == 2 && in_attr->i == 1)
_bfd_error_handler
(_("Warning: %B uses hard float, %B uses soft float"), ibfd, obfd);
else if (in_attr[Tag_GNU_Power_ABI_FP].i > 2)
else if (in_attr->i > 2)
_bfd_error_handler
(_("Warning: %B uses unknown floating point ABI %d"), ibfd,
in_attr[Tag_GNU_Power_ABI_FP].i);
in_attr->i);
else
_bfd_error_handler
(_("Warning: %B uses unknown floating point ABI %d"), obfd,
out_attr[Tag_GNU_Power_ABI_FP].i);
out_attr->i);
}
/* Check for conflicting Tag_GNU_Power_ABI_Vector attributes and
merge non-conflicting ones. */
in_attr = &in_attrs[Tag_GNU_Power_ABI_Vector];
out_attr = &out_attrs[Tag_GNU_Power_ABI_Vector];
if (in_attr->i != out_attr->i)
{
const char *in_abi = NULL, *out_abi = NULL;
switch (in_attr->i)
{
case 1: in_abi = "generic"; break;
case 2: in_abi = "AltiVec"; break;
case 3: in_abi = "SPE"; break;
}
switch (out_attr->i)
{
case 1: out_abi = "generic"; break;
case 2: out_abi = "AltiVec"; break;
case 3: out_abi = "SPE"; break;
}
out_attr->type = 1;
if (out_attr->i == 0)
out_attr->i = in_attr->i;
else if (in_attr->i == 0)
;
/* For now, allow generic to transition to AltiVec or SPE
without a warning. If GCC marked files with their stack
alignment and used don't-care markings for files which are
not affected by the vector ABI, we could warn about this
case too. */
else if (out_attr->i == 1)
out_attr->i = in_attr->i;
else if (in_attr->i == 1)
;
else if (in_abi == NULL)
_bfd_error_handler
(_("Warning: %B uses unknown vector ABI %d"), ibfd,
in_attr->i);
else if (out_abi == NULL)
_bfd_error_handler
(_("Warning: %B uses unknown vector ABI %d"), obfd,
in_attr->i);
else
_bfd_error_handler
(_("Warning: %B uses vector ABI \"%s\", %B uses \"%s\""),
ibfd, obfd, in_abi, out_abi);
}
/* Merge Tag_compatibility attributes and any common GNU ones. */

View file

@ -1,3 +1,8 @@
2007-10-25 Daniel Jacobowitz <dan@codesourcery.com>
* readelf.c (display_power_gnu_attribute): Add support for
Tag_GNU_Power_ABI_Vector.
2007-10-25 Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
* readelf.c (get_note_type): Handle NT_PPC_VMX.

View file

@ -8553,6 +8553,32 @@ display_power_gnu_attribute (unsigned char *p, int tag)
return p;
}
if (tag == Tag_GNU_Power_ABI_Vector)
{
val = read_uleb128 (p, &len);
p += len;
printf (" Tag_GNU_Power_ABI_Vector: ");
switch (val)
{
case 0:
printf ("Any\n");
break;
case 1:
printf ("Generic\n");
break;
case 2:
printf ("AltiVec\n");
break;
case 3:
printf ("SPE\n");
break;
default:
printf ("??? (%d)\n", val);
break;
}
return p;
}
if (tag & 1)
type = 1; /* String. */
else

View file

@ -1,3 +1,7 @@
2007-10-25 Daniel Jacobowitz <dan@codesourcery.com>
* ppc.h (Tag_GNU_Power_ABI_Vector): New.
2007-10-19 Nick Clifton <nickc@redhat.com>
* mn10300.h: Add R_MN10300_SYM_DIFF reloc.

View file

@ -180,6 +180,11 @@ enum
soft-float; 0 for not tagged or not
using any ABIs affected by the
differences. */
/* Value 1 for general purpose registers only, 2 for AltiVec
registers, 3 for SPE registers; 0 for not tagged or not using any
ABIs affected by the differences. */
Tag_GNU_Power_ABI_Vector = 8,
};
#endif /* _ELF_PPC_H */

View file

@ -1,3 +1,10 @@
2007-10-25 Daniel Jacobowitz <dan@codesourcery.com>
* ld-powerpc/attr-gnu-8-1.s, ld-powerpc/attr-gnu-8-11.d,
ld-powerpc/attr-gnu-8-2.s, ld-powerpc/attr-gnu-8-23.d,
ld-powerpc/attr-gnu-8-3.s, ld-powerpc/attr-gnu-8-31.d: New.
* ld-powerpc/powerpc.exp: Run new tests.
2007-10-19 Nick Clifton <nickc@redhat.com>
* ld-mn10300: New test directory.

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@ -0,0 +1 @@
.gnu_attribute 8,1

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@ -0,0 +1,10 @@
#source: attr-gnu-8-1.s
#source: attr-gnu-8-1.s
#as: -a32
#ld: -r -melf32ppc
#readelf: -A
#target: powerpc*-*-*
Attribute Section: gnu
File Attributes
Tag_GNU_Power_ABI_Vector: Generic

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@ -0,0 +1 @@
.gnu_attribute 8,2

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@ -0,0 +1,6 @@
#source: attr-gnu-8-2.s
#source: attr-gnu-8-3.s
#as: -a32
#ld: -r -melf32ppc
#warning: Warning: .* uses vector ABI "SPE", .* uses "AltiVec"
#target: powerpc*-*-*

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@ -0,0 +1 @@
.gnu_attribute 8,3

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@ -0,0 +1,10 @@
#source: attr-gnu-8-3.s
#source: attr-gnu-8-1.s
#as: -a32
#ld: -r -melf32ppc
#readelf: -A
#target: powerpc*-*-*
Attribute Section: gnu
File Attributes
Tag_GNU_Power_ABI_Vector: SPE

View file

@ -165,3 +165,7 @@ run_dump_test "attr-gnu-4-20"
run_dump_test "attr-gnu-4-21"
run_dump_test "attr-gnu-4-22"
run_dump_test "attr-gnu-4-31"
run_dump_test "attr-gnu-8-11"
run_dump_test "attr-gnu-8-23"
run_dump_test "attr-gnu-8-31"