37 lines
1016 B
C
37 lines
1016 B
C
# Description: Fix abort() on ARM related to __clear_cache(). This is an issue
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# for anything !apple that is using the libcompiler_rt provided by clang on ARM
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# PR: ports/149167 ports/184517
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# Patch by: cognet@ (to be upstreamed @ LLVM)
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--- src/arm/ffi.c.orig 2014-11-08 12:47:24 UTC
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+++ src/arm/ffi.c
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@@ -33,6 +33,11 @@
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#include <stdlib.h>
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+#if defined(__FreeBSD__) && defined(__arm__)
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+#include <sys/types.h>
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+#include <machine/sysarch.h>
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+#endif
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+
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/* Forward declares. */
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static int vfp_type_p (ffi_type *);
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static void layout_vfp_args (ffi_cif *);
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@@ -750,6 +755,16 @@ ffi_closure_free (void *ptr)
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}
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#else
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+
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+#if defined(__FreeBSD__) && defined(__arm__)
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+#define __clear_cache(start, end) do { \
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+ struct arm_sync_icache_args ua; \
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+ \
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+ ua.addr = (uintptr_t)(start); \
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+ ua.len = (char *)(end) - (char *)start; \
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+ sysarch(ARM_SYNC_ICACHE, &ua); \
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+ } while (0);
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+#endif
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#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
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({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
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