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PR gas/12198

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* gas/config/tc-arm.c (arm_arch_v6m_only): New variable.
	(aeabi_set_public_attributes): Ensure we only set the Operating System
	Extension when we are on an M-profile core.
	* gas/testsuite/gas/arm/pr12198-1.d: New test.
	* gas/testsuite/gas/arm/pr12918-1.s: Likewise.
	* gas/testsuite/gas/arm/pr12198-2.d: Likewise.
	* gas/testsuite/gas/arm/pr12918-2.s: Likewise.
	* include/opcode/arm.h (ARM_AEXT_V6M_ONLY): New define.
	(ARM_AEXT_V6M): Rewrite in terms of ARM_AEXT_V6M_ONLY.
	(ARM_ARCH_V6M_ONLY): New define.
This commit is contained in:
Matthew Gretton-Dann 2010-11-15 10:03:05 +00:00
parent 6936240e66
commit 251665fc5f
9 changed files with 74 additions and 2 deletions
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7
gas/ChangeLog
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@ -1,3 +1,10 @@
2010-11-15 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
PR gas/12198
* config/tc-arm.c (arm_arch_v6m_only): New variable.
(aeabi_set_public_attributes): Ensure we only set the Operating System
Extension when we are on an M-profile core.
2010-11-13 Richard Sandiford <rdsandiford@googlemail.com>
* config/tc-mips.c (macro_build): Remove gas_assert from 'o' case.

7
gas/config/tc-arm.c
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@ -207,6 +207,7 @@ static const arm_feature_set arm_arch_any = ARM_ANY;
static const arm_feature_set arm_arch_full = ARM_FEATURE (-1, -1);
static const arm_feature_set arm_arch_t2 = ARM_ARCH_THUMB2;
static const arm_feature_set arm_arch_none = ARM_ARCH_NONE;
static const arm_feature_set arm_arch_v6m_only = ARM_ARCH_V6M_ONLY;
static const arm_feature_set arm_cext_iwmmxt2 =
ARM_FEATURE (0, ARM_CEXT_IWMMXT2);
@ -23232,6 +23233,12 @@ aeabi_set_public_attributes (void)
ARM_MERGE_FEATURE_SETS (flags, flags, *object_arch);
}
/* We need to make sure that the attributes do not identify us as v6S-M
when the only v6S-M feature in use is the Operating System Extensions. */
if (ARM_CPU_HAS_FEATURE (flags, arm_ext_os))
if (!ARM_CPU_HAS_FEATURE (flags, arm_arch_v6m_only))
ARM_CLEAR_FEATURE (flags, flags, arm_ext_os);
tmp = flags;
arch = 0;
for (p = cpu_arch_ver; p->val; p++)

8
gas/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2010-11-15 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
PR gas/12198
* gas/arm/pr12198-1.d: New test.
* gas/arm/pr12918-1.s: Likewise.
* gas/arm/pr12198-2.d: Likewise.
* gas/arm/pr12918-2.s: Likewise.
2010-11-13 Richard Sandiford <rdsandiford@googlemail.com>
* gas/mips/elf-rel28.s, gas/mips/elf-rel28-n32.d,

12
gas/testsuite/gas/arm/pr12198-1.d Normal file
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@ -0,0 +1,12 @@
# name: PR12198 - Only select v6S-M when v6-M is selected (1)
# source: pr12198-1.s
# as:
# readelf: -A
# This test is only valid on EABI based ports.
# target: *-*-*eabi
Attribute Section: aeabi
File Attributes
Tag_CPU_arch: v4T
Tag_THUMB_ISA_use: Thumb-1
Tag_DIV_use: Not allowed

7
gas/testsuite/gas/arm/pr12198-1.s Normal file
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@ -0,0 +1,7 @@
.thumb
.global f
.type f, %function
f:
svc 0xab
bx lr

13
gas/testsuite/gas/arm/pr12198-2.d Normal file
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@ -0,0 +1,13 @@
# name: PR12198 - Only select v6S-M when v6-M is selected (2)
# source: pr12198-2.s
# as:
# readelf: -A
# This test is only valid on EABI based ports.
# target: *-*-*eabi
Attribute Section: aeabi
File Attributes
Tag_CPU_arch: v6S-M
Tag_CPU_arch_profile: Microcontroller
Tag_THUMB_ISA_use: Thumb-1
Tag_DIV_use: Not allowed

8
gas/testsuite/gas/arm/pr12198-2.s Normal file
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@ -0,0 +1,8 @@
.thumb
.global f
.type f, %function
f:
svc 0xab
dsb
bx lr

7
include/opcode/ChangeLog
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@ -1,3 +1,10 @@
2010-11-15 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
PR gas/12198
* arm.h (ARM_AEXT_V6M_ONLY): New define.
(ARM_AEXT_V6M): Rewrite in terms of ARM_AEXT_V6M_ONLY.
(ARM_ARCH_V6M_ONLY): New define.
2010-11-11 Mingming Sun <mingm.sun@gmail.com>
* mips.h (INSN_LOONGSON_3A): Defined.

7
include/opcode/arm.h
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@ -115,9 +115,10 @@
#define ARM_AEXT_NOTM \
(ARM_AEXT_V4 | ARM_EXT_V5ExP | ARM_EXT_V5J | ARM_EXT_V6_NOTM \
| ARM_EXT_V6_DSP )
#define ARM_AEXT_V6M_ONLY \
((ARM_EXT_BARRIER | ARM_EXT_V6M | ARM_EXT_THUMB_MSR) & ~(ARM_AEXT_NOTM))
#define ARM_AEXT_V6M \
((ARM_AEXT_V6K | ARM_EXT_BARRIER | ARM_EXT_V6M | ARM_EXT_THUMB_MSR) \
& ~(ARM_AEXT_NOTM))
((ARM_AEXT_V6K | ARM_AEXT_V6M_ONLY) & ~(ARM_AEXT_NOTM))
#define ARM_AEXT_V6SM (ARM_AEXT_V6M | ARM_EXT_OS)
#define ARM_AEXT_V7M \
((ARM_AEXT_V7_ARM | ARM_EXT_V6M | ARM_EXT_V7M | ARM_EXT_DIV) \
@ -228,6 +229,8 @@
ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC \
| ARM_EXT_DIV | ARM_EXT_ADIV \
| ARM_EXT_VIRT, 0)
/* Features that are present in v6M and v6S-M but not other v6 cores. */
#define ARM_ARCH_V6M_ONLY ARM_FEATURE (ARM_AEXT_V6M_ONLY, 0)
/* There are too many feature bits to fit in a single word, so use a
structure. For simplicity we put all core features in one word and