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authorMatthew Gretton-Dann <matthew.gretton-dann@arm.com>2012-08-24 07:50:38 +0000
committerMatthew Gretton-Dann <matthew.gretton-dann@arm.com>2012-08-24 07:50:38 +0000
commitbca3892142429f819023a157be90c4d855cf93f8 (patch)
tree76e277e2b62f2589618489e945121e66bac4abbb /bfd/elf32-arm.c
parentecfb0d68c570de8a5e29858d104d82a76982de15 (diff)
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* bfd/elf32-arm.c (v8): New array.
(tag_cpu_arch_combine): Add support for ARMv8 attributes. (elf32_arm_merge_eabi_attributes): Likewise. (VFP_VERSION_COUNT): New define. * binutils/readelf.c (arm_attr_tag_CPU_arch): Update for ARMv8. (arm_attr_tag_FP_arch): Likewise. (arm_attr_tag_Advanced_SIMD_arch): Likewise. * gas/config/tc-arm.h (arm_ext_v8): New variable. (fpu_vfp_ext_armv8): Likewise. (fpu_neon_ext_armv8): Likewise. (fpu_crypto_ext_armv8): Likewise. (arm_archs): Add armv8-a. (arm_extensions): Add crypto, fp, and simd. (arm_fpus): Add fp-armv8, neon-fp-armv8, crypto-neon-fp-armv8. (cpu_arch_ver): Add support for ARMv8. (aeabi_set_public_sttributes): Likewise. * gas/doc/c-arm.texi (ARM Options): Document new architecture and extension options for ARMv8. * gas/testsuite/gas/arm/attr-march-all.d: Update for change in expected output. * gas/testsuite/gas/arm/attr-mfpu-vfpv4-d16.d: Likewise. * gas/testsuite/gas/arm/attr-mfpu-vfpv4.d: Likewise. * gas/testsuite/gas/arm/attr-march-armv8-a+crypto.d: New testcase. * gas/testsuite/gas/arm/attr-march-armv8-a+fp.d: Likewise. * gas/testsuite/gas/arm/attr-march-armv8-a+simd.d: Likewise. * gas/testsuite/gas/arm/attr-march-armv8-a.d: Likewise. * include/elf/arm.h (TAG_CPU_ARCH_V8): New define. (MAX_TAG_CPU_ARCH): Update. * include/opcode/arm.h (ARM_EXT_V8): New define. (FPU_VFP_EXT_ARMV8): Likewise. (FPU_NEON_EXT_ARMV8): Likewise. (FPU_CRYPTO_EXT_ARMV8): Likewise. (ARM_AEXT_V8A): Likewise. (FPU_VFP_ARMV8): Likwise. (FPU_NEON_ARMV8): Likewise. (FPU_CRYPTO_ARMV8): Likewise. (FPU_ARCH_VFP_ARMV8): Likewise. (FPU_ARCH_NEON_VFP_ARMV8): Likewise. (FPU_ARCH_CRYPTO_NEON_VFP_ARMV8): Likewise. (ARM_ARCH_V8A): Likwise. (ARM_ARCH_V8A_FP): Likewise. (ARM_ARCH_V8A_SIMD): Likewise. (ARM_ARCH_V8A_CRYPTO): Likewise. * ld/testsuite/ld-arm/arm-elf.exp: Add new testcases. * ld/testsuite/ld-arm/attr-merge-vfp-3.d: Update for change in expected output. * ld/testsuite/ld-arm/attr-merge-vfp-3r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-4.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-4r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-5.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-5r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-7.d: New testcase. * ld/testsuite/ld-arm/attr-merge-vfp-7r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-armv8-hard.s: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-armv8.s: Likewise.
Diffstat (limited to 'bfd/elf32-arm.c')
-rw-r--r--bfd/elf32-arm.c38
1 files changed, 31 insertions, 7 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 4f2d00e..a287fbb 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -11327,6 +11327,24 @@ tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
T(V7E_M), /* V6S_M. */
T(V7E_M) /* V7E_M. */
};
+ const int v8[] =
+ {
+ T(V8), /* PRE_V4. */
+ T(V8), /* V4. */
+ T(V8), /* V4T. */
+ T(V8), /* V5T. */
+ T(V8), /* V5TE. */
+ T(V8), /* V5TEJ. */
+ T(V8), /* V6. */
+ T(V8), /* V6KZ. */
+ T(V8), /* V6T2. */
+ T(V8), /* V6K. */
+ T(V8), /* V7. */
+ T(V8), /* V6_M. */
+ T(V8), /* V6S_M. */
+ T(V8), /* V7E_M. */
+ T(V8) /* V8. */
+ };
const int v4t_plus_v6_m[] =
{
-1, /* PRE_V4. */
@@ -11343,6 +11361,7 @@ tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
T(V6_M), /* V6_M. */
T(V6S_M), /* V6S_M. */
T(V7E_M), /* V7E_M. */
+ T(V8), /* V8. */
T(V4T_PLUS_V6_M) /* V4T plus V6_M. */
};
const int *comb[] =
@@ -11353,6 +11372,7 @@ tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
v6_m,
v6s_m,
v7e_m,
+ v8,
/* Pseudo-architecture. */
v4t_plus_v6_m
};
@@ -11554,7 +11574,8 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
"ARM v6K",
"ARM v7",
"ARM v6-M",
- "ARM v6S-M"
+ "ARM v6S-M",
+ "ARM v8"
};
/* Merge Tag_CPU_arch and Tag_also_compatible_with. */
@@ -11699,11 +11720,12 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
when it's 0. It might mean absence of FP hardware if
Tag_FP_arch is zero, otherwise it is effectively SP + DP. */
+#define VFP_VERSION_COUNT 8
static const struct
{
int ver;
int regs;
- } vfp_versions[7] =
+ } vfp_versions[VFP_VERSION_COUNT] =
{
{0, 0},
{1, 16},
@@ -11711,7 +11733,8 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
{3, 32},
{3, 16},
{4, 32},
- {4, 16}
+ {4, 16},
+ {8, 32}
};
int ver;
int regs;
@@ -11751,9 +11774,10 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
/* Now we can handle Tag_FP_arch. */
- /* Values greater than 6 aren't defined, so just pick the
- biggest */
- if (in_attr[i].i > 6 && in_attr[i].i > out_attr[i].i)
+ /* Values of VFP_VERSION_COUNT or more aren't defined, so just
+ pick the biggest. */
+ if (in_attr[i].i >= VFP_VERSION_COUNT
+ && in_attr[i].i > out_attr[i].i)
{
out_attr[i] = in_attr[i];
break;
@@ -11768,7 +11792,7 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
regs = vfp_versions[out_attr[i].i].regs;
/* This assumes all possible supersets are also a valid
options. */
- for (newval = 6; newval > 0; newval--)
+ for (newval = VFP_VERSION_COUNT - 1; newval > 0; newval--)
{
if (regs == vfp_versions[newval].regs
&& ver == vfp_versions[newval].ver)