Commit 6eff9ff9e72463b9783be2514f944b6f05692054
2013-12-30T17:48:10
Darwin/iOS: Improve unified syntax use for LLVM
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diff --git a/src/arm/sysv.S b/src/arm/sysv.S
index 454dfc9..595ea33 100644
--- a/src/arm/sysv.S
+++ b/src/arm/sysv.S
@@ -109,42 +109,27 @@
#define UNWIND @
#endif
-
+.syntax unified
+
#if defined(__thumb__) && !defined(__THUMB_INTERWORK__)
-.macro ARM_FUNC_START name
- .text
- .align 0
- .thumb
- .thumb_func
-#ifdef __APPLE__
- ENTRY($0)
+#define ARM_FUNC_START(name) \
+ .text; \
+ .align 2; \
+ .thumb; \
+ .thumb_func; \
+ ENTRY(name); \
+ bx pc; \
+ nop; \
+ .arm; \
+ UNWIND .fnstart; \
+_L__##name:
#else
- ENTRY(\name)
-#endif
- bx pc
- nop
- .arm
+#define ARM_FUNC_START(name) \
+ .text; \
+ .align 2; \
+ .arm; \
+ ENTRY(name); \
UNWIND .fnstart
-/* A hook to tell gdb that we've switched to ARM mode. Also used to call
- directly from other local arm routines. */
-#ifdef __APPLE__
-_L__$0:
-#else
-_L__\name:
-#endif
-.endm
-#else
-.macro ARM_FUNC_START name
- .text
- .align 0
- .arm
-#ifdef __APPLE__
- ENTRY($0)
-#else
- ENTRY(\name)
-#endif
- UNWIND .fnstart
-.endm
#endif
.macro RETLDM regs=, cond=, dirn=ia
@@ -171,7 +156,7 @@ _L__\name:
@ sp+0: ecif.rvalue
@ This assumes we are using gas.
-ARM_FUNC_START ffi_call_SYSV
+ARM_FUNC_START(ffi_call_SYSV)
@ Save registers
stmfd sp!, {r0-r3, fp, lr}
UNWIND .save {r0-r3, fp, lr}
@@ -228,7 +213,7 @@ ARM_FUNC_START ffi_call_SYSV
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
cmpne r3, #FFI_TYPE_DOUBLE
#endif
- stmeqia r2, {r0, r1}
+ stmiaeq r2, {r0, r1}
#if !defined(__SOFTFP__) && !defined(__ARM_EABI__)
beq LSYM(Lepilogue)
@@ -266,7 +251,7 @@ LSYM(Lepilogue):
void *args;
*/
-ARM_FUNC_START ffi_closure_SYSV
+ARM_FUNC_START(ffi_closure_SYSV)
UNWIND .pad #16
add ip, sp, #16
stmfd sp!, {ip, lr}
@@ -345,7 +330,7 @@ ARM_FUNC_START ffi_closure_SYSV
@ r3: fig->flags
@ sp+0: ecif.rvalue
-ARM_FUNC_START ffi_call_VFP
+ARM_FUNC_START(ffi_call_VFP)
@ Save registers
stmfd sp!, {r0-r3, fp, lr}
UNWIND .save {r0-r3, fp, lr}
@@ -433,7 +418,7 @@ LSYM(Lepilogue_vfp):
.size CNAME(ffi_call_VFP),.ffi_call_VFP_end-CNAME(ffi_call_VFP)
-ARM_FUNC_START ffi_closure_VFP
+ARM_FUNC_START(ffi_closure_VFP)
fstmfdd sp!, {d0-d7}
@ r0-r3, then d0-d7
UNWIND .pad #80