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Be more paranoid when dumping qfo type encodings.

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This commit is contained in:
Bill Currie 2012-11-13 21:24:48 +09:00
parent f002f3ad7a
commit d782622e74
1 changed files with 11 additions and 0 deletions
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11
tools/qfcc/source/dump_globals.c
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@ -432,6 +432,17 @@ qfo_types (qfo_t *qfo)
for (type_ptr = 4; type_ptr < qfo->spaces[qfo_type_space].data_size;
type_ptr += type->size) {
if (qfo->spaces[qfo_type_space].data_size - type_ptr < 2) {
printf ("%-5x overflow, can't check size. %x\n", type_ptr,
qfo->spaces[qfo_type_space].data_size);
}
if (type_ptr + type->size > qfo->spaces[qfo_type_space].data_size) {
printf ("%-5x overflow by %d words. %x\n", type_ptr,
(type_ptr + type->size
- qfo->spaces[qfo_type_space].data_size),
qfo->spaces[qfo_type_space].data_size);
continue;
}
type = &QFO_STRUCT (qfo, qfo_type_space, qfot_type_t, type_ptr);
if (type->ty < 0 || type->ty >= NUM_META)
meta = "invalid";