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# Description: Fix abort() on ARM related to __clear_cache(). This is an issue
# for anything !apple that is using the libcompiler_rt provided by clang on ARM
# PR: ports/149167 ports/184517
# Patch by: cognet@ (to be upstreamed @ LLVM)
--- ./src/arm/ffi.c.orig 2013-03-16 22:19:39.000000000 +1100
+++ ./src/arm/ffi.c 2013-12-03 19:30:58.440924300 +1100
@@ -33,6 +33,11 @@
#include <stdlib.h>
+#if defined(__FreeBSD__) && defined(__arm__)
+#include <sys/types.h>
+#include <machine/sysarch.h>
+#endif
+
/* Forward declares. */
static int vfp_type_p (ffi_type *);
static void layout_vfp_args (ffi_cif *);
@@ -582,6 +587,16 @@
#else
+#if defined(__FreeBSD__) && defined(__arm__)
+#define __clear_cache(start, end) do { \
+ struct arm_sync_icache_args ua; \
+ \
+ ua.addr = (uintptr_t)(start); \
+ ua.len = (char *)(end) - (char *)start; \
+ sysarch(ARM_SYNC_ICACHE, &ua); \
+ } while (0);
+#endif
+
#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
unsigned int __fun = (unsigned int)(FUN); \
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