Account for MacOS X ABI reserved space in linkage area (Andreas Faerber)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4985 c046a42c-6fe2-441c-8c8c-71466251a162

tcg/ppc/tcg-target.c

@@ -25,7 +25,7 @@
 static uint8_t *tb_ret_addr;
 
 #ifdef __APPLE__
-#define LINKAGE_AREA_SIZE 12
+#define LINKAGE_AREA_SIZE 24
 #define BACK_CHAIN_OFFSET 8
 #else
 #define LINKAGE_AREA_SIZE 8

tcg/ppc/tcg-target.h

@@ -66,7 +66,7 @@ enum {
 #define TCG_REG_CALL_STACK TCG_REG_R1
 #define TCG_TARGET_STACK_ALIGN 16
 #ifdef __APPLE__
-#define TCG_TARGET_CALL_STACK_OFFSET 12
+#define TCG_TARGET_CALL_STACK_OFFSET 24
 #else
 #define TCG_TARGET_CALL_ALIGN_ARGS 1
 #define TCG_TARGET_CALL_STACK_OFFSET 8