From: Nathan Froyd Date: Fri, 10 Oct 2008 20:55:36 +0000 (+0000) Subject: include/elf/ X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f82e0623e15e6331a6cb5e7a2c6334cf5ae75ec9;p=binutils-gdb.git include/elf/ * 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. --- diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2c5e391cc20..f0080bb344c 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2008-10-10 Nathan Froyd + + * elf32-ppc.c (ppc_elf_merge_obj_attributes): Merge + Tag_GNU_Power_ABI_Struct_Return. + 2008-10-09 Kai Tietz * cofflink.c (_bfd_coff_generic_relocate_section): Dump bfd_vma sized addresses instead of long sized. diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index 1d9cabd2dc0..83a927428a9 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -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); diff --git a/binutils/ChangeLog b/binutils/ChangeLog index bc971184506..a67c2e1c9af 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,8 @@ +2008-10-10 Nathan Froyd + + * readelf.c (display_power_gnu_attribute): Decode + Tag_GNU_Power_ABI_Struct_Return. + 2008-10-10 Alan Modra * embedspu.sh: Pass -Wa,-noexecstack to $CC. diff --git a/binutils/readelf.c b/binutils/readelf.c index c4bdc1dfd8d..51f5ffa21cb 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -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 diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 8d8bcdff3a2..964f6cfe5c5 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,7 @@ +2008-10-10 Nathan Froyd + + * ppc.h: Add Tag_GNU_Power_ABI_Struct_Return. + 2008-10-04 Hans-Peter Nilsson * cris.h (R_CRIS_32_GOT_GD, R_CRIS_16_GOT_GD, R_CRIS_32_GD) diff --git a/include/elf/ppc.h b/include/elf/ppc.h index 95cccce2481..a0c16f1a7c8 100644 --- a/include/elf/ppc.h +++ b/include/elf/ppc.h @@ -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 */ diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index a9e1d841485..73a3a38f210 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,11 @@ +2008-10-10 Nathan Froyd + + * 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 * ld-ia64/tlsbin.rd: Update expected output now that --wide does diff --git a/ld/testsuite/ld-powerpc/attr-gnu-12-1.s b/ld/testsuite/ld-powerpc/attr-gnu-12-1.s new file mode 100644 index 00000000000..10cbe3bec31 --- /dev/null +++ b/ld/testsuite/ld-powerpc/attr-gnu-12-1.s @@ -0,0 +1 @@ +.gnu_attribute 12,1 diff --git a/ld/testsuite/ld-powerpc/attr-gnu-12-11.d b/ld/testsuite/ld-powerpc/attr-gnu-12-11.d new file mode 100644 index 00000000000..e88c4ba37e7 --- /dev/null +++ b/ld/testsuite/ld-powerpc/attr-gnu-12-11.d @@ -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 diff --git a/ld/testsuite/ld-powerpc/attr-gnu-12-2.s b/ld/testsuite/ld-powerpc/attr-gnu-12-2.s new file mode 100644 index 00000000000..c39de668a62 --- /dev/null +++ b/ld/testsuite/ld-powerpc/attr-gnu-12-2.s @@ -0,0 +1 @@ +.gnu_attribute 12,2 diff --git a/ld/testsuite/ld-powerpc/attr-gnu-12-21.d b/ld/testsuite/ld-powerpc/attr-gnu-12-21.d new file mode 100644 index 00000000000..ef14e35f8ef --- /dev/null +++ b/ld/testsuite/ld-powerpc/attr-gnu-12-21.d @@ -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*-*-* diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp index 4e03cf6fb3c..af812a042c1 100644 --- a/ld/testsuite/ld-powerpc/powerpc.exp +++ b/ld/testsuite/ld-powerpc/powerpc.exp @@ -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"