about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/tile/stackguard-macros.h
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/tile/stackguard-macros.h')
-rw-r--r--REORG.TODO/sysdeps/tile/stackguard-macros.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/tile/stackguard-macros.h b/REORG.TODO/sysdeps/tile/stackguard-macros.h
new file mode 100644
index 0000000000..f2e041b99b
--- /dev/null
+++ b/REORG.TODO/sysdeps/tile/stackguard-macros.h
@@ -0,0 +1,20 @@
+#include <bits/wordsize.h>
+
+#ifdef __tilegx__
+# if __WORDSIZE == 64
+#  define STACK_CHK_GUARD \
+  ({ uintptr_t x; asm ("addi %0, tp, -16; ld %0, %0" : "=r" (x)); x; })
+#  define POINTER_CHK_GUARD \
+  ({ uintptr_t x; asm ("addi %0, tp, -24; ld %0, %0" : "=r" (x)); x; })
+# else
+#  define STACK_CHK_GUARD \
+  ({ uintptr_t x; asm ("addi %0, tp, -8; ld4s %0, %0" : "=r" (x)); x; })
+#  define POINTER_CHK_GUARD \
+  ({ uintptr_t x; asm ("addi %0, tp, -12; ld4s %0, %0" : "=r" (x)); x; })
+# endif
+#else
+# define STACK_CHK_GUARD \
+  ({ uintptr_t x; asm ("addi %0, tp, -8; lw %0, %0" : "=r" (x)); x; })
+# define POINTER_CHK_GUARD \
+  ({ uintptr_t x; asm ("addi %0, tp, -12; lw %0, %0" : "=r" (x)); x; })
+#endif