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- Porting of address santizer patch for ARM in gcc-4.8.1 from gcc-4.9 - Taken from...
[platform/upstream/gcc48.git]
/
gcc
/
config
/
arm
/
arm.c
diff --git
a/gcc/config/arm/arm.c
b/gcc/config/arm/arm.c
index
d787a6e
..
9124da8
100644
(file)
--- a/
gcc/config/arm/arm.c
+++ b/
gcc/config/arm/arm.c
@@
-280,6
+280,7
@@
static unsigned arm_add_stmt_cost (void *data, int count,
static void arm_canonicalize_comparison (int *code, rtx *op0, rtx *op1,
bool op0_preserve_value);
static void arm_canonicalize_comparison (int *code, rtx *op0, rtx *op1,
bool op0_preserve_value);
+static unsigned HOST_WIDE_INT arm_asan_shadow_offset (void);
\f
/* Table of machine attributes. */
static const struct attribute_spec arm_attribute_table[] =
\f
/* Table of machine attributes. */
static const struct attribute_spec arm_attribute_table[] =
@@
-649,6
+650,9
@@
static const struct attribute_spec arm_attribute_table[] =
#define TARGET_CANONICALIZE_COMPARISON \
arm_canonicalize_comparison
#define TARGET_CANONICALIZE_COMPARISON \
arm_canonicalize_comparison
+#undef TARGET_ASAN_SHADOW_OFFSET
+#define TARGET_ASAN_SHADOW_OFFSET arm_asan_shadow_offset
+
struct gcc_target targetm = TARGET_INITIALIZER;
\f
/* Obstack for minipool constant handling. */
struct gcc_target targetm = TARGET_INITIALIZER;
\f
/* Obstack for minipool constant handling. */
@@
-27435,4
+27439,12
@@
arm_validize_comparison (rtx *comparison, rtx * op1, rtx * op2)
}
}
+/* Implement the TARGET_ASAN_SHADOW_OFFSET hook. */
+
+static unsigned HOST_WIDE_INT
+arm_asan_shadow_offset (void)
+{
+ return (unsigned HOST_WIDE_INT) 1 << 29;
+}
+
#include "gt-arm.h"
#include "gt-arm.h"