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-rw-r--r--contrib/llvm/patches/patch-r243830-arm-disable-clear-cache.diff19
1 files changed, 19 insertions, 0 deletions
diff --git a/contrib/llvm/patches/patch-r243830-arm-disable-clear-cache.diff b/contrib/llvm/patches/patch-r243830-arm-disable-clear-cache.diff
new file mode 100644
index 0000000..b5a4342
--- /dev/null
+++ b/contrib/llvm/patches/patch-r243830-arm-disable-clear-cache.diff
@@ -0,0 +1,19 @@
+This patch ensures __clear_cache is not called on arm. In earlier versions of
+clang, this special builtin was emitted as a function call, leading to link
+errors.
+
+Introduced here: http://svn.freebsd.org/changeset/base/243830
+
+Index: lib/Support/Unix/Memory.inc
+===================================================================
+--- lib/Support/Unix/Memory.inc
++++ lib/Support/Unix/Memory.inc
+@@ -332,7 +332,7 @@ void Memory::InvalidateInstructionCache(const void
+ for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize)
+ asm volatile("icbi 0, %0" : : "r"(Line));
+ asm volatile("isync");
+-# elif (defined(__arm__) || defined(__aarch64__)) && defined(__GNUC__)
++# elif (defined(__arm__) || defined(__aarch64__)) && defined(__GNUC__) && !defined(__FreeBSD__)
+ // FIXME: Can we safely always call this for __GNUC__ everywhere?
+ const char *Start = static_cast<const char *>(Addr);
+ const char *End = Start + Len;
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