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957f31fc71
This is a compat port needed mainly for binaries downloaded by devel/stack. See the commit message for devel/libffi321 and the linked PR for detailed explanation.
36 lines
1.1 KiB
C
36 lines
1.1 KiB
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 2019-10-31 14:49:54 UTC
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+++ src/arm/ffi.c
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@@ -55,6 +55,11 @@ extern unsigned int ffi_arm_trampoline[3] FFI_HIDDEN;
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#endif
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#endif
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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 (const ffi_type *);
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static void layout_vfp_args (ffi_cif *);
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@@ -568,6 +573,16 @@ void ffi_go_closure_SYSV (void) FFI_HIDDEN;
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void ffi_go_closure_VFP (void) FFI_HIDDEN;
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/* the cif must already be prep'ed */
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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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ffi_status
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ffi_prep_closure_loc (ffi_closure * closure,
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