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author | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-11 19:35:45 +0000 |
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committer | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-11 19:35:45 +0000 |
commit | d07bde88a52bf293c3f8846cfd162e0a57e1557c (patch) | |
tree | 7208f959405bab8a90da93dd175e2ff5161760ed /translate-all.c | |
parent | 52df269ca821e8bed49ae2d46fe67486f3ef88de (diff) | |
download | qemu-d07bde88a52bf293c3f8846cfd162e0a57e1557c.zip qemu-d07bde88a52bf293c3f8846cfd162e0a57e1557c.tar.gz qemu-d07bde88a52bf293c3f8846cfd162e0a57e1557c.tar.bz2 |
Fix code generation buffer overflow reported by TeLeMan
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3805 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'translate-all.c')
-rw-r--r-- | translate-all.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/translate-all.c b/translate-all.c index f4944c0..d8b9102 100644 --- a/translate-all.c +++ b/translate-all.c @@ -132,14 +132,27 @@ static void dyngen_labels(long *gen_labels, int nb_gen_labels, } } +unsigned long code_gen_max_block_size(void) +{ + static unsigned long max; + + if (max == 0) { +#define DEF(s, n, copy_size) max = copy_size > max? copy_size : max; +#include "opc.h" +#undef DEF + max *= OPC_MAX_SIZE; + } + + return max; +} + /* return non zero if the very first instruction is invalid so that the virtual CPU can trigger an exception. '*gen_code_size_ptr' contains the size of the generated code (host code). */ -int cpu_gen_code(CPUState *env, TranslationBlock *tb, - int max_code_size, int *gen_code_size_ptr) +int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr) { uint8_t *gen_code_buf; int gen_code_size; |