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author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-03-19 19:16:00 +0000 |
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committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-03-19 19:16:00 +0000 |
commit | 9bb234b3b170299c39c9e88cfe7da5434a92d99d (patch) | |
tree | 2415a3ecd043d9d76b00927e665b81182fbafcde /target-sparc | |
parent | 290a0933c0488a5072bed5458b1b9fe4dc84cba4 (diff) | |
download | hqemu-9bb234b3b170299c39c9e88cfe7da5434a92d99d.zip hqemu-9bb234b3b170299c39c9e88cfe7da5434a92d99d.tar.gz |
Fix qemu crash due to sparc division-by-zero, by Aurelien Jarno.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2510 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc')
-rw-r--r-- | target-sparc/op.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target-sparc/op.c b/target-sparc/op.c index fd30e90..9e16a29 100644 --- a/target-sparc/op.c +++ b/target-sparc/op.c @@ -671,6 +671,11 @@ void OPPROTO op_udiv_T1_T0(void) x0 = T0 | ((uint64_t) (env->y) << 32); x1 = T1; + + if (x1 == 0) { + raise_exception(TT_DIV_ZERO); + } + x0 = x0 / x1; if (x0 > 0xffffffff) { T0 = 0xffffffff; @@ -689,6 +694,11 @@ void OPPROTO op_sdiv_T1_T0(void) x0 = T0 | ((int64_t) (env->y) << 32); x1 = T1; + + if (x1 == 0) { + raise_exception(TT_DIV_ZERO); + } + x0 = x0 / x1; if ((int32_t) x0 != x0) { T0 = x0 < 0? 0x80000000: 0x7fffffff; |