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diff --git a/js/src/assembler/jit/ExecutableAllocator.h b/js/src/assembler/jit/ExecutableAllocator.h
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f9ffef |
index c071c33..90764c3 100644
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--- a/js/src/assembler/jit/ExecutableAllocator.h
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+++ b/js/src/assembler/jit/ExecutableAllocator.h
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@@ -382,6 +382,12 @@ public:
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{
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reprotectRegion(start, size, Executable);
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}
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+#elif WTF_CPU_AARCH64 && WTF_PLATFORM_LINUX
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+ static void cacheFlush(void* code, size_t size)
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+ {
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+ intptr_t end = reinterpret_cast<intptr_t>(code) + size;
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+ __builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(end));
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+ }
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#else
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static void makeWritable(void*, size_t) {}
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static void makeExecutable(void*, size_t) {}
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diff --git a/js/src/assembler/wtf/Platform.h b/js/src/assembler/wtf/Platform.h
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f9ffef |
index 0c84896..e8763a7 100644
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f9ffef |
--- a/js/src/assembler/wtf/Platform.h
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+++ b/js/src/assembler/wtf/Platform.h
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f9ffef |
@@ -325,6 +325,10 @@
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#define WTF_THUMB_ARCH_VERSION 0
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#endif
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f9ffef |
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+/* CPU(AArch64) - 64-bit ARM */
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+#if defined(__aarch64__)
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+#define WTF_CPU_AARCH64 1
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+#endif
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f9ffef |
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/* WTF_CPU_ARMV5_OR_LOWER - ARM instruction set v5 or earlier */
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f9ffef |
/* On ARMv5 and below the natural alignment is required.
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f9ffef |
diff --git a/js/src/configure.in b/js/src/configure.in
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f9ffef |
index 15605b2..19fd704 100644
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f9ffef |
--- a/js/src/configure.in
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f9ffef |
+++ b/js/src/configure.in
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f9ffef |
@@ -1121,6 +1121,10 @@ arm*)
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f9ffef |
CPU_ARCH=arm
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f9ffef |
;;
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f9ffef |
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f9ffef |
+aarch64)
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f9ffef |
+ CPU_ARCH=aarch64
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f9ffef |
+ ;;
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f9ffef |
+
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f9ffef |
mips|mipsel)
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f9ffef |
CPU_ARCH="mips"
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f9ffef |
;;
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f9ffef |
diff --git a/mfbt/double-conversion/utils.h b/mfbt/double-conversion/utils.h
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f9ffef |
index 0eec2d9..fe26dab 100644
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f9ffef |
--- a/mfbt/double-conversion/utils.h
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|
f9ffef |
+++ b/mfbt/double-conversion/utils.h
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f9ffef |
@@ -58,6 +58,7 @@
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|
f9ffef |
defined(__mips__) || defined(__powerpc__) || \
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|
f9ffef |
defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
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|
f9ffef |
defined(__SH4__) || defined(__alpha__) || \
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|
f9ffef |
+ defined(__aarch64__) || \
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|
f9ffef |
defined(_MIPS_ARCH_MIPS32R2)
|
|
|
f9ffef |
#define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
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|
f9ffef |
#elif defined(_M_IX86) || defined(__i386__) || defined(__i386)
|