#define DEBUG_TYPE "msan"
+// VMA size definition for architecture that support multiple sizes.
+// AArch64 has 3 VMA sizes: 39, 42 and 48.
+#ifndef SANITIZER_AARCH64_VMA
+# define SANITIZER_AARCH64_VMA 39
+#else
+# if SANITIZER_AARCH64_VMA != 39 && SANITIZER_AARCH64_VMA != 42
+# error "invalid SANITIZER_AARCH64_VMA size"
+# endif
+#endif
+
static const unsigned kOriginSize = 4;
static const unsigned kMinOriginAlignment = 4;
static const unsigned kShadowTLSAlignment = 8;
0x1C0000000000, // OriginBase
};
+// aarch64 Linux
+static const MemoryMapParams Linux_AArch64_MemoryMapParams = {
+#if SANITIZER_AARCH64_VMA == 39
+ 0x007C00000000, // AndMask
+ 0x000100000000, // XorMask
+ 0x004000000000, // ShadowBase
+ 0x004300000000, // OriginBase
+#elif SANITIZER_AARCH64_VMA == 42
+ 0x03E000000000, // AndMask
+ 0x001000000000, // XorMask
+ 0x010000000000, // ShadowBase
+ 0x012000000000, // OriginBase
+#endif
+};
+
// i386 FreeBSD
static const MemoryMapParams FreeBSD_I386_MemoryMapParams = {
0x000180000000, // AndMask
&Linux_PowerPC64_MemoryMapParams,
};
+static const PlatformMemoryMapParams Linux_ARM_MemoryMapParams = {
+ NULL,
+ &Linux_AArch64_MemoryMapParams,
+};
+
static const PlatformMemoryMapParams FreeBSD_X86_MemoryMapParams = {
&FreeBSD_I386_MemoryMapParams,
&FreeBSD_X86_64_MemoryMapParams,
case Triple::ppc64le:
MapParams = Linux_PowerPC_MemoryMapParams.bits64;
break;
+ case Triple::aarch64:
+ case Triple::aarch64_be:
+ MapParams = Linux_ARM_MemoryMapParams.bits64;
+ break;
default:
report_fatal_error("unsupported architecture");
}