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2009-11-17 Paul Brook <paul@codesourcery.com>

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Daniel Jacobowitz  <dan@codesourcery.com>

	gas/
	* doc/c-arm.texi: Document .arch armv7e-m.
	* config/tc-arm.c (arm_ext_v6_dsp, arm_ext_v7m): New.
	(insns): Put Thumb versions of v5TExP instructions into
	arm_ext_v5exp also.  Move some Thumb variants from
	arm_ext_v6_notm to arm_ext_v6_dsp.
	(arm_archs): Add armv7e-m architecture.
	(aeabi_set_public_attributes): Handle -march=armv7e-m.

	gas/testsuite/
	* gas/arm/attr-march-armv7em.d: New test.
	* gas/arm/arch7em-bad.d: New test.
	* gas/arm/arch7em-bad.l: New test.
	* gas/arm/arch7em.d: New test.
	* gas/arm/arch7em.s: New test.

	include/elf/
	* arm.h (TAG_CPU_ARCH_V7E_M): Define.

	include/opcode/
	* arm.h (ARM_EXT_V6_DSP): Define.
	(ARM_AEXT_V6T2, ARM_AEXT_NOTM): Include ARM_EXT_V6_DSP.
	(ARM_AEXT_V7EM, ARM_ARCH_V7EM): Define.

	binutils/
	* readelf.c (arm_attr_tag_CPU_arch): Add v7E-M.

	bfd/
	* elf32-arm.c (using_thumb_only, arch_has_arm_nop,
	arch_has_thumb2_nop): Handle TAG_CPU_ARCH_V7E_M.
	(tag_cpu_arch_combine): Ditto. Correct MAX_TAG_CPU_ARCH test.
This commit is contained in:
Paul Brook
2009-11-17 16:31:56 +00:00
parent 2a516af65e
commit 9e3c6df664
17 changed files with 563 additions and 21 deletions
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29
bfd/elf32-arm.c
View File

@@ -2971,7 +2971,7 @@ using_thumb_only (struct elf32_arm_link_hash_table *globals)
Tag_CPU_arch);
int profile;
if (arch != TAG_CPU_ARCH_V7)
if (arch != TAG_CPU_ARCH_V7 && arch != TAG_CPU_ARCH_V7E_M)
return FALSE;
profile = bfd_elf_get_obj_attr_int (globals->obfd, OBJ_ATTR_PROC,
@@ -2999,7 +2999,8 @@ arch_has_arm_nop (struct elf32_arm_link_hash_table *globals)
Tag_CPU_arch);
return arch == TAG_CPU_ARCH_V6T2
|| arch == TAG_CPU_ARCH_V6K
|| arch == TAG_CPU_ARCH_V7;
|| arch == TAG_CPU_ARCH_V7
|| arch == TAG_CPU_ARCH_V7E_M;
}
static bfd_boolean
@@ -3007,7 +3008,8 @@ arch_has_thumb2_nop (struct elf32_arm_link_hash_table *globals)
{
const int arch = bfd_elf_get_obj_attr_int (globals->obfd, OBJ_ATTR_PROC,
Tag_CPU_arch);
return arch == TAG_CPU_ARCH_V6T2 || arch == TAG_CPU_ARCH_V7;
return (arch == TAG_CPU_ARCH_V6T2 || arch == TAG_CPU_ARCH_V7
|| arch == TAG_CPU_ARCH_V7E_M);
}
static bfd_boolean
@@ -9637,6 +9639,23 @@ tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
T(V6S_M), /* V6_M. */
T(V6S_M) /* V6S_M. */
};
const int v7e_m[] =
{
-1, /* PRE_V4. */
-1, /* V4. */
T(V7E_M), /* V4T. */
T(V7E_M), /* V5T. */
T(V7E_M), /* V5TE. */
T(V7E_M), /* V5TEJ. */
T(V7E_M), /* V6. */
T(V7E_M), /* V6KZ. */
T(V7E_M), /* V6T2. */
T(V7E_M), /* V6K. */
T(V7E_M), /* V7. */
T(V7E_M), /* V6_M. */
T(V7E_M), /* V6S_M. */
T(V7E_M) /* V7E_M. */
};
const int v4t_plus_v6_m[] =
{
-1, /* PRE_V4. */
@@ -9652,6 +9671,7 @@ tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
T(V7), /* V7. */
T(V6_M), /* V6_M. */
T(V6S_M), /* V6S_M. */
T(V7E_M), /* V7E_M. */
T(V4T_PLUS_V6_M) /* V4T plus V6_M. */
};
const int *comb[] =
@@ -9661,13 +9681,14 @@ tag_cpu_arch_combine (bfd *ibfd, int oldtag, int *secondary_compat_out,
v7,
v6_m,
v6s_m,
v7e_m,
/* Pseudo-architecture. */
v4t_plus_v6_m
};
/* Check we've not got a higher architecture than we know about. */
if (oldtag >= MAX_TAG_CPU_ARCH || newtag >= MAX_TAG_CPU_ARCH)
if (oldtag > MAX_TAG_CPU_ARCH || newtag > MAX_TAG_CPU_ARCH)
{
_bfd_error_handler (_("error: %B: Unknown CPU architecture"), ibfd);
return -1;