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ffi.c (FFI_INIT_TRAMPOLINE): Clear icache. 

2011-07-11  Andrew Haley  <aph@redhat.com>

        * src/arm/ffi.c (FFI_INIT_TRAMPOLINE): Clear icache.

From-SVN: r176172
This commit is contained in:
Andrew Haley 2011-07-11 17:50:04 +00:00 committed by Andrew Haley
parent 0f509bb7d5
commit 4d4a9b72be
2 changed files with 9 additions and 1 deletions
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4
libffi/ChangeLog
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@ -1,3 +1,7 @@
2011-07-11 Andrew Haley <aph@redhat.com>
* src/arm/ffi.c (FFI_INIT_TRAMPOLINE): Clear icache.
2011-06-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 2011-06-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* testsuite/libffi.call/cls_double_va.c: Move PR number to comment. * testsuite/libffi.call/cls_double_va.c: Move PR number to comment.

6
libffi/src/arm/ffi.c
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@ -341,12 +341,16 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
({ unsigned char *__tramp = (unsigned char*)(TRAMP); \ ({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
unsigned int __fun = (unsigned int)(FUN); \ unsigned int __fun = (unsigned int)(FUN); \
unsigned int __ctx = (unsigned int)(CTX); \ unsigned int __ctx = (unsigned int)(CTX); \
unsigned char *insns = (unsigned char *)(CTX); \
*(unsigned int*) &__tramp[0] = 0xe92d000f; /* stmfd sp!, {r0-r3} */ \ *(unsigned int*) &__tramp[0] = 0xe92d000f; /* stmfd sp!, {r0-r3} */ \
*(unsigned int*) &__tramp[4] = 0xe59f0000; /* ldr r0, [pc] */ \ *(unsigned int*) &__tramp[4] = 0xe59f0000; /* ldr r0, [pc] */ \
*(unsigned int*) &__tramp[8] = 0xe59ff000; /* ldr pc, [pc] */ \ *(unsigned int*) &__tramp[8] = 0xe59ff000; /* ldr pc, [pc] */ \
*(unsigned int*) &__tramp[12] = __ctx; \ *(unsigned int*) &__tramp[12] = __ctx; \
*(unsigned int*) &__tramp[16] = __fun; \ *(unsigned int*) &__tramp[16] = __fun; \
__clear_cache((&__tramp[0]), (&__tramp[19])); \ __clear_cache((&__tramp[0]), (&__tramp[19])); /* Clear data mapping. */ \
__clear_cache(insns, insns + 3 * sizeof (unsigned int)); \
/* Clear instruction \
mapping. */ \
}) })