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Diffstat (limited to 'ports/sysdeps/tile/stackguard-macros.h')
-rw-r--r--ports/sysdeps/tile/stackguard-macros.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/ports/sysdeps/tile/stackguard-macros.h b/ports/sysdeps/tile/stackguard-macros.h
new file mode 100644
index 0000000000..589ea2b0d8
--- /dev/null
+++ b/ports/sysdeps/tile/stackguard-macros.h
@@ -0,0 +1,14 @@
+#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; })
+# else
+# define STACK_CHK_GUARD \
+ ({ uintptr_t x; asm ("addi %0, tp, -8; 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; })
+#endif