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sysv.S (ffi_closure_SYSV): Add UNWIND to .pad directive.

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2010-12-03  Chung-Lin Tang  <cltang@codesourcery.com>

	* src/arm/sysv.S (ffi_closure_SYSV): Add UNWIND to .pad directive.
	(ffi_closure_VFP): Same.
	(ffi_call_VFP): Move down to before ffi_closure_VFP. Add '.fpu vfp'
	directive.

From-SVN: r167434
This commit is contained in:
Chung-Lin Tang 2010-12-03 16:15:26 +00:00 committed by Chung-Lin Tang
parent 892f61197b
commit fac6806566
2 changed files with 85 additions and 74 deletions
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7
libffi/ChangeLog
View File

@ -1,3 +1,10 @@
2010-12-03 Chung-Lin Tang <cltang@codesourcery.com>
* src/arm/sysv.S (ffi_closure_SYSV): Add UNWIND to .pad directive.
(ffi_closure_VFP): Same.
(ffi_call_VFP): Move down to before ffi_closure_VFP. Add '.fpu vfp'
directive.
2010-12-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* testsuite/libffi.call/ffitest.h [__sgi] (PRId64, PRIu64): Define.

152
libffi/src/arm/sysv.S
View File

@ -229,6 +229,83 @@ LSYM(Lepilogue):
.size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV)
/*
unsigned int FFI_HIDDEN
ffi_closure_SYSV_inner (closure, respp, args)
ffi_closure *closure;
void **respp;
void *args;
*/
ARM_FUNC_START ffi_closure_SYSV
UNWIND .pad #16
add ip, sp, #16
stmfd sp!, {ip, lr}
UNWIND .save {r0, lr}
add r2, sp, #8
UNWIND .pad #16
sub sp, sp, #16
str sp, [sp, #8]
add r1, sp, #8
bl ffi_closure_SYSV_inner
cmp r0, #FFI_TYPE_INT
beq .Lretint
cmp r0, #FFI_TYPE_FLOAT
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
beq .Lretint
#else
beq .Lretfloat
#endif
cmp r0, #FFI_TYPE_DOUBLE
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
beq .Lretlonglong
#else
beq .Lretdouble
#endif
cmp r0, #FFI_TYPE_LONGDOUBLE
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
beq .Lretlonglong
#else
beq .Lretlongdouble
#endif
cmp r0, #FFI_TYPE_SINT64
beq .Lretlonglong
.Lclosure_epilogue:
add sp, sp, #16
ldmfd sp, {sp, pc}
.Lretint:
ldr r0, [sp]
b .Lclosure_epilogue
.Lretlonglong:
ldr r0, [sp]
ldr r1, [sp, #4]
b .Lclosure_epilogue
#if !defined(__SOFTFP__) && !defined(__ARM_EABI__)
.Lretfloat:
ldfs f0, [sp]
b .Lclosure_epilogue
.Lretdouble:
ldfd f0, [sp]
b .Lclosure_epilogue
.Lretlongdouble:
ldfd f0, [sp]
b .Lclosure_epilogue
#endif
.ffi_closure_SYSV_end:
UNWIND .fnend
.size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV)
/* Below are VFP hard-float ABI call and closure implementations.
Add VFP FPU directive here. */
.fpu vfp
@ r0: fn
@ r1: &ecif
@ r2: cif->bytes
@ -321,79 +398,6 @@ LSYM(Lepilogue_vfp):
.ffi_call_VFP_end:
UNWIND .fnend
.size CNAME(ffi_call_VFP),.ffi_call_VFP_end-CNAME(ffi_call_VFP)
/*
unsigned int FFI_HIDDEN
ffi_closure_SYSV_inner (closure, respp, args)
ffi_closure *closure;
void **respp;
void *args;
*/
ARM_FUNC_START ffi_closure_SYSV
UNWIND .pad #16
add ip, sp, #16
stmfd sp!, {ip, lr}
UNWIND .save {r0, lr}
add r2, sp, #8
.pad #16
sub sp, sp, #16
str sp, [sp, #8]
add r1, sp, #8
bl ffi_closure_SYSV_inner
cmp r0, #FFI_TYPE_INT
beq .Lretint
cmp r0, #FFI_TYPE_FLOAT
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
beq .Lretint
#else
beq .Lretfloat
#endif
cmp r0, #FFI_TYPE_DOUBLE
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
beq .Lretlonglong
#else
beq .Lretdouble
#endif
cmp r0, #FFI_TYPE_LONGDOUBLE
#if defined(__SOFTFP__) || defined(__ARM_EABI__)
beq .Lretlonglong
#else
beq .Lretlongdouble
#endif
cmp r0, #FFI_TYPE_SINT64
beq .Lretlonglong
.Lclosure_epilogue:
add sp, sp, #16
ldmfd sp, {sp, pc}
.Lretint:
ldr r0, [sp]
b .Lclosure_epilogue
.Lretlonglong:
ldr r0, [sp]
ldr r1, [sp, #4]
b .Lclosure_epilogue
#if !defined(__SOFTFP__) && !defined(__ARM_EABI__)
.Lretfloat:
ldfs f0, [sp]
b .Lclosure_epilogue
.Lretdouble:
ldfd f0, [sp]
b .Lclosure_epilogue
.Lretlongdouble:
ldfd f0, [sp]
b .Lclosure_epilogue
#endif
.ffi_closure_SYSV_end:
UNWIND .fnend
.size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV)
ARM_FUNC_START ffi_closure_VFP
@ -405,7 +409,7 @@ ARM_FUNC_START ffi_closure_VFP
UNWIND .save {r0, lr}
add r2, sp, #72
add r3, sp, #8
.pad #72
UNWIND .pad #72
sub sp, sp, #72
str sp, [sp, #64]
add r1, sp, #64