From 9bb234b3b170299c39c9e88cfe7da5434a92d99d Mon Sep 17 00:00:00 2001 From: ths Date: Mon, 19 Mar 2007 19:16:00 +0000 Subject: [PATCH] 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 --- target-sparc/op.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/target-sparc/op.c b/target-sparc/op.c index fd30e90e1f..9e16a29a43 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;