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include/elf/

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* ppc.h: Add Tag_GNU_Power_ABI_Struct_Return.
bfd/
	* elf32-ppc.c (ppc_elf_merge_obj_attributes): Merge
	Tag_GNU_Power_ABI_Struct_Return.
binutils/
	* readelf.c (display_power_gnu_attribute): Decode
	Tag_GNU_Power_ABI_Struct_Return.
ld/testsuite/
	* ld-powerpc/gnu-attr-12-1.s: New file.
	* ld-powerpc/gnu-attr-12-2.s: New file.
	* ld-powerpc/gnu-attr-12-11.d: New file.
	* ld-powerpc/gnu-attr-12-21.d: New file.
	* ld-powerpc/powerpc.exp: Run new dump tests.
This commit is contained in:
Nathan Froyd 2008-10-10 20:55:36 +00:00
parent c764a87698
commit f82e0623e1
12 changed files with 98 additions and 0 deletions
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5
bfd/ChangeLog
View File

@ -1,3 +1,8 @@
2008-10-10 Nathan Froyd <froydnj@codesourcery.com>
* elf32-ppc.c (ppc_elf_merge_obj_attributes): Merge
Tag_GNU_Power_ABI_Struct_Return.
2008-10-09 Kai Tietz <kai.tietz@onevision.com>
* cofflink.c (_bfd_coff_generic_relocate_section): Dump bfd_vma sized addresses instead of long sized.

27
bfd/elf32-ppc.c
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@ -3964,6 +3964,33 @@ ppc_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd)
ibfd, obfd, in_abi, out_abi);
}
/* Check for conflicting Tag_GNU_Power_ABI_Struct_Return attributes
and merge non-conflicting ones. */
in_attr = &in_attrs[Tag_GNU_Power_ABI_Struct_Return];
out_attr = &out_attrs[Tag_GNU_Power_ABI_Struct_Return];
if (in_attr->i != out_attr->i)
{
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->i == 1 && in_attr->i == 2)
_bfd_error_handler
(_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), obfd, ibfd);
else if (out_attr->i == 2 && in_attr->i == 1)
_bfd_error_handler
(_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), ibfd, obfd);
else if (in_attr->i > 2)
_bfd_error_handler
(_("Warning: %B uses unknown small structure return convention %d"), ibfd,
in_attr->i);
else
_bfd_error_handler
(_("Warning: %B uses unknown small structure return convention %d"), obfd,
out_attr->i);
}
/* Merge Tag_compatibility attributes and any common GNU ones. */
_bfd_elf_merge_object_attributes (ibfd, obfd);

5
binutils/ChangeLog
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@ -1,3 +1,8 @@
2008-10-10 Nathan Froyd <froydnj@codesourcery.com>
* readelf.c (display_power_gnu_attribute): Decode
Tag_GNU_Power_ABI_Struct_Return.
2008-10-10 Alan Modra <amodra@bigpond.net.au>
* embedspu.sh: Pass -Wa,-noexecstack to $CC.

23
binutils/readelf.c
View File

@ -9063,6 +9063,29 @@ display_power_gnu_attribute (unsigned char *p, int tag)
return p;
}
if (tag == Tag_GNU_Power_ABI_Struct_Return)
{
val = read_uleb128 (p, &len);
p += len;
printf (" Tag_GNU_Power_ABI_Struct_Return: ");
switch (val)
{
case 0:
printf ("Any\n");
break;
case 1:
printf ("r3/r4\n");
break;
case 2:
printf ("Memory\n");
break;
default:
printf ("??? (%d)\n", val);
break;
}
return p;
}
if (tag & 1)
type = 1; /* String. */
else

4
include/elf/ChangeLog
View File

@ -1,3 +1,7 @@
2008-10-10 Nathan Froyd <froydnj@codesourcery.com>
* ppc.h: Add Tag_GNU_Power_ABI_Struct_Return.
2008-10-04 Hans-Peter Nilsson <hp@axis.com>
* cris.h (R_CRIS_32_GOT_GD, R_CRIS_16_GOT_GD, R_CRIS_32_GD)

5
include/elf/ppc.h
View File

@ -186,6 +186,11 @@ enum
registers, 3 for SPE registers; 0 for not tagged or not using any
ABIs affected by the differences. */
Tag_GNU_Power_ABI_Vector = 8,
/* Value 1 for ABIs using r3/r4 for returning structures <= 8 bytes,
2 for ABIs using memory; 0 for not tagged or not using any ABIs
affected by the differences. */
Tag_GNU_Power_ABI_Struct_Return = 12
};
#endif /* _ELF_PPC_H */

8
ld/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2008-10-10 Nathan Froyd <froydnj@codesourcery.com>
* ld-powerpc/gnu-attr-12-1.s: New file.
* ld-powerpc/gnu-attr-12-2.s: New file.
* ld-powerpc/gnu-attr-12-11.d: New file.
* ld-powerpc/gnu-attr-12-21.d: New file.
* ld-powerpc/powerpc.exp: Run new dump tests.
2008-10-07 Nick Clifton <nickc@redhat.com>
* ld-ia64/tlsbin.rd: Update expected output now that --wide does

1
ld/testsuite/ld-powerpc/attr-gnu-12-1.s Normal file
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@ -0,0 +1 @@
.gnu_attribute 12,1

10
ld/testsuite/ld-powerpc/attr-gnu-12-11.d Normal file
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@ -0,0 +1,10 @@
#source: attr-gnu-12-1.s
#source: attr-gnu-12-1.s
#as: -a32
#ld: -r -melf32ppc
#readelf: -A
#target: powerpc*-*-*
Attribute Section: gnu
File Attributes
Tag_GNU_Power_ABI_Struct_Return: r3/r4

1
ld/testsuite/ld-powerpc/attr-gnu-12-2.s Normal file
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@ -0,0 +1 @@
.gnu_attribute 12,2

6
ld/testsuite/ld-powerpc/attr-gnu-12-21.d Normal file
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@ -0,0 +1,6 @@
#source: attr-gnu-12-2.s
#source: attr-gnu-12-1.s
#as: -a32
#ld: -r -melf32ppc
#warning: Warning: .* uses r3/r4 for small structure returns, .* uses memory
#target: powerpc*-*-*

3
ld/testsuite/ld-powerpc/powerpc.exp
View File

@ -177,3 +177,6 @@ run_dump_test "attr-gnu-4-41"
run_dump_test "attr-gnu-8-11"
run_dump_test "attr-gnu-8-23"
run_dump_test "attr-gnu-8-31"
run_dump_test "attr-gnu-12-11"
run_dump_test "attr-gnu-12-21"