diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-12-01 14:26:46 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2014-12-01 14:31:34 +0000 |
| commit | 9c2c485df9fd39ae36779f765a892e36835a8001 (patch) | |
| tree | d97d55b91504b59aa19a27d6497984c60aab9a96 /src | |
| parent | 263d10998617ba935179942d2440a1607cd3c21c (diff) | |
sna: Validate that the reg/insn size is well defined
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src')
| -rw-r--r-- | src/sna/brw/brw_eu_emit.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/sna/brw/brw_eu_emit.c b/src/sna/brw/brw_eu_emit.c index 5c0b3065..00c984d9 100644 --- a/src/sna/brw/brw_eu_emit.c +++ b/src/sna/brw/brw_eu_emit.c @@ -34,6 +34,8 @@ #include <string.h> #include <stdlib.h> +#define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0])) + /*********************************************************************** * Internal helper for constructing instructions */ @@ -179,6 +181,11 @@ validate_reg(struct brw_instruction *insn, struct brw_reg reg) reg.file == BRW_ARF_NULL) return; + assert(reg.hstride >= 0 && reg.hstride < ARRAY_SIZE(hstride_for_reg)); + assert(reg.vstride >= 0 && reg.vstride < ARRAY_SIZE(vstride_for_reg)); + assert(reg.width >= 0 && reg.width < ARRAY_SIZE(width_for_reg)); + assert(insn->header.execution_size >= 0 && insn->header.execution_size < ARRAY_SIZE(execsize_for_reg)); + hstride = hstride_for_reg[reg.hstride]; if (reg.vstride == 0xf) { |