Index: b/src/moz-sdk/prcpucfg.h
===================================================================
--- a/src/moz-sdk/prcpucfg.h
+++ b/src/moz-sdk/prcpucfg.h
@@ -288,6 +288,52 @@
#define PR_BYTES_PER_WORD_LOG2 3
#define PR_BYTES_PER_DWORD_LOG2 3
+#elif defined(__aarch64__)
+
+#define IS_LITTLE_ENDIAN 1
+#undef IS_BIG_ENDIAN
+#define IS_64
+
+#define PR_BYTES_PER_BYTE 1
+#define PR_BYTES_PER_SHORT 2
+#define PR_BYTES_PER_INT 4
+#define PR_BYTES_PER_INT64 8
+#define PR_BYTES_PER_LONG 8
+#define PR_BYTES_PER_FLOAT 4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD 8
+#define PR_BYTES_PER_DWORD 8
+
+#define PR_BITS_PER_BYTE 8
+#define PR_BITS_PER_SHORT 16
+#define PR_BITS_PER_INT 32
+#define PR_BITS_PER_INT64 64
+#define PR_BITS_PER_LONG 64
+#define PR_BITS_PER_FLOAT 32
+#define PR_BITS_PER_DOUBLE 64
+#define PR_BITS_PER_WORD 64
+
+#define PR_BITS_PER_BYTE_LOG2 3
+#define PR_BITS_PER_SHORT_LOG2 4
+#define PR_BITS_PER_INT_LOG2 5
+#define PR_BITS_PER_INT64_LOG2 6
+#define PR_BITS_PER_LONG_LOG2 6
+#define PR_BITS_PER_FLOAT_LOG2 5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2 6
+
+#define PR_ALIGN_OF_SHORT 2
+#define PR_ALIGN_OF_INT 4
+#define PR_ALIGN_OF_LONG 8
+#define PR_ALIGN_OF_INT64 8
+#define PR_ALIGN_OF_FLOAT 4
+#define PR_ALIGN_OF_DOUBLE 8
+#define PR_ALIGN_OF_POINTER 8
+#define PR_ALIGN_OF_WORD 8
+
+#define PR_BYTES_PER_WORD_LOG2 3
+#define PR_BYTES_PER_DWORD_LOG2 3
+
#elif defined(__mc68000__)
#undef IS_LITTLE_ENDIAN
f|
|