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-rw-r--r--gas/ChangeLog13
-rw-r--r--gas/config/tc-arm.c37
-rw-r--r--include/ChangeLog8
-rw-r--r--include/opcode/arm.h12
4 files changed, 39 insertions, 31 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index e5130e7..84dd4bf 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,16 @@
+2017-06-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * config/tc-arm.c (arm_ext_v6m): Delete.
+ (arm_ext_v7m): Delete.
+ (arm_ext_m): Remove ARM_EXT_OS from the set of feature defined M
+ profile.
+ (arm_arch_v6m_only): Delete.
+ (do_t_swi): Remove special case for ARMv6S-M.
+ (md_assemble): Display error message previously in do_t_swi when
+ SVC is not available.
+ (insns): Guard swi and svc by arm_ext_os for Thumb mode.
+ (aeabi_set_public_attributes): Remove special case for ARMv6S-M.
+
2017-05-11 Andrew Waterman <andrew@sifive.com>
* config/tc-riscv.c (riscv_ip): Changes as_warn to as_bad for improper
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 18d3a20..5eb088c 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -189,7 +189,6 @@ static const arm_feature_set arm_ext_v5j = ARM_FEATURE_CORE_LOW (ARM_EXT_V5J);
static const arm_feature_set arm_ext_v6 = ARM_FEATURE_CORE_LOW (ARM_EXT_V6);
static const arm_feature_set arm_ext_v6k = ARM_FEATURE_CORE_LOW (ARM_EXT_V6K);
static const arm_feature_set arm_ext_v6t2 = ARM_FEATURE_CORE_LOW (ARM_EXT_V6T2);
-static const arm_feature_set arm_ext_v6m = ARM_FEATURE_CORE_LOW (ARM_EXT_V6M);
static const arm_feature_set arm_ext_v6_notm =
ARM_FEATURE_CORE_LOW (ARM_EXT_V6_NOTM);
static const arm_feature_set arm_ext_v6_dsp =
@@ -207,7 +206,7 @@ static const arm_feature_set ATTRIBUTE_UNUSED arm_ext_v7m = ARM_FEATURE_CORE_LOW
#endif
static const arm_feature_set arm_ext_v8 = ARM_FEATURE_CORE_LOW (ARM_EXT_V8);
static const arm_feature_set arm_ext_m =
- ARM_FEATURE_CORE (ARM_EXT_V6M | ARM_EXT_OS | ARM_EXT_V7M,
+ ARM_FEATURE_CORE (ARM_EXT_V6M | ARM_EXT_V7M,
ARM_EXT2_V8M | ARM_EXT2_V8M_MAIN);
static const arm_feature_set arm_ext_mp = ARM_FEATURE_CORE_LOW (ARM_EXT_MP);
static const arm_feature_set arm_ext_sec = ARM_FEATURE_CORE_LOW (ARM_EXT_SEC);
@@ -244,9 +243,6 @@ static const arm_feature_set fpu_any = FPU_ANY;
static const arm_feature_set arm_arch_full ATTRIBUTE_UNUSED = ARM_FEATURE (-1, -1, -1);
static const arm_feature_set arm_arch_t2 = ARM_ARCH_THUMB2;
static const arm_feature_set arm_arch_none = ARM_ARCH_NONE;
-#ifdef OBJ_ELF
-static const arm_feature_set arm_arch_v6m_only = ARM_ARCH_V6M_ONLY;
-#endif
static const arm_feature_set arm_cext_iwmmxt2 =
ARM_FEATURE_COPROC (ARM_CEXT_IWMMXT2);
@@ -13120,17 +13116,6 @@ do_t_sxth (void)
static void
do_t_swi (void)
{
- /* We have to do the following check manually as ARM_EXT_OS only applies
- to ARM_EXT_V6M. */
- if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6m))
- {
- if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_os)
- /* This only applies to the v6m however, not later architectures. */
- && ! ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v7))
- as_bad (_("SVC is not permitted on this architecture"));
- ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used, arm_ext_os);
- }
-
inst.reloc.type = BFD_RELOC_ARM_SWI;
}
@@ -18471,7 +18456,10 @@ md_assemble (char *str)
|| (thumb_mode == 1
&& !ARM_CPU_HAS_FEATURE (variant, *opcode->tvariant)))
{
- as_bad (_("selected processor does not support `%s' in Thumb mode"), str);
+ if (opcode->tencode == do_t_swi)
+ as_bad (_("SVC is not permitted on this architecture"));
+ else
+ as_bad (_("selected processor does not support `%s' in Thumb mode"), str);
return;
}
if (inst.cond != COND_ALWAYS && !unified_syntax
@@ -19295,8 +19283,6 @@ static const struct asm_opcode insns[] =
tC3("ldmia", 8900000, _ldmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
tC3("ldmfd", 8900000, _ldmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
- TCE("swi", f000000, df00, 1, (EXPi), swi, t_swi),
- TCE("svc", f000000, df00, 1, (EXPi), swi, t_swi),
tCE("b", a000000, _b, 1, (EXPr), branch, t_branch),
TCE("bl", b000000, f000f800, 1, (EXPr), bl, t_branch23),
@@ -19324,6 +19310,12 @@ static const struct asm_opcode insns[] =
TCE("rsb", 0600000, ebc00000, 3, (RR, oRR, SH), arit, t_rsb),
TC3("rsbs", 0700000, ebd00000, 3, (RR, oRR, SH), arit, t_rsb),
+#undef THUMB_VARIANT
+#define THUMB_VARIANT & arm_ext_os
+
+ TCE("swi", f000000, df00, 1, (EXPi), swi, t_swi),
+ TCE("svc", f000000, df00, 1, (EXPi), swi, t_swi),
+
#undef THUMB_VARIANT
#define THUMB_VARIANT & arm_ext_v6
@@ -26804,13 +26796,6 @@ aeabi_set_public_attributes (void)
if (ARM_CPU_HAS_FEATURE (thumb_arch_used, arm_arch_any))
ARM_MERGE_FEATURE_SETS (flags, flags, arm_ext_v4t);
- /* 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);
-
/* Code run during relaxation relies on selected_cpu being set. */
selected_cpu = flags;
}
diff --git a/include/ChangeLog b/include/ChangeLog
index d8730de..ec910a3 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,11 @@
+2017-06-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * opcode/arm.h (ARM_AEXT_V4TxM): Add ARM_EXT_OS bit to the set.
+ (ARM_AEXT_V4T): Likewise.
+ (ARM_AEXT_V5TxM): Likewise.
+ (ARM_AEXT_V5T): Likewise.
+ (ARM_AEXT_V6M): Mask off ARM_EXT_OS bit.
+
2017-06-22 H.J. Lu <hongjiu.lu@intel.com>
* bfdlink.h (bfd_link_info): Add shstk.
diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index 5691a85..62683a3 100644
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -106,12 +106,14 @@
#define ARM_AEXT_V3M (ARM_AEXT_V3 | ARM_EXT_V3M)
#define ARM_AEXT_V4xM (ARM_AEXT_V3 | ARM_EXT_V4)
#define ARM_AEXT_V4 (ARM_AEXT_V3M | ARM_EXT_V4)
-#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM | ARM_EXT_V4T)
-#define ARM_AEXT_V4T (ARM_AEXT_V4 | ARM_EXT_V4T)
+#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM | ARM_EXT_V4T | ARM_EXT_OS)
+#define ARM_AEXT_V4T (ARM_AEXT_V4 | ARM_EXT_V4T | ARM_EXT_OS)
#define ARM_AEXT_V5xM (ARM_AEXT_V4xM | ARM_EXT_V5)
#define ARM_AEXT_V5 (ARM_AEXT_V4 | ARM_EXT_V5)
-#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM | ARM_EXT_V4T | ARM_EXT_V5T)
-#define ARM_AEXT_V5T (ARM_AEXT_V5 | ARM_EXT_V4T | ARM_EXT_V5T)
+#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM | ARM_EXT_V4T | ARM_EXT_V5T \
+ | ARM_EXT_OS)
+#define ARM_AEXT_V5T (ARM_AEXT_V5 | ARM_EXT_V4T | ARM_EXT_V5T \
+ | ARM_EXT_OS)
#define ARM_AEXT_V5TExP (ARM_AEXT_V5T | ARM_EXT_V5ExP)
#define ARM_AEXT_V5TE (ARM_AEXT_V5TExP | ARM_EXT_V5E)
#define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE | ARM_EXT_V5J)
@@ -136,7 +138,7 @@
#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_AEXT_V6M_ONLY) & ~(ARM_AEXT_NOTM))
+ ((ARM_AEXT_V6K | ARM_AEXT_V6M_ONLY) & ~(ARM_AEXT_NOTM | ARM_EXT_OS))
#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) \
generated by cgit v1.1 at 2024-12-26 12:35:20 +0000