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x86: don't forget to initialise guest %es from the host %es when

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constructing the initial guest register state.  Fixes #291253.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12394
This commit is contained in:
Julian Seward 2012-02-21 08:38:04 +00:00
parent 5786c979e6
commit 6b43662deb
1 changed files with 2 additions and 1 deletions
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coregrind/m_initimg/initimg-linux.c
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@ -986,10 +986,11 @@ void VG_(ii_finalise_image)( IIFinaliseImageInfo iifii )
arch->vex.guest_EIP = iifii.initial_client_IP;
/* initialise %cs, %ds and %ss to point at the operating systems
default code, data and stack segments */
default code, data and stack segments. Also %es (see #291253). */
asm volatile("movw %%cs, %0" : : "m" (arch->vex.guest_CS));
asm volatile("movw %%ds, %0" : : "m" (arch->vex.guest_DS));
asm volatile("movw %%ss, %0" : : "m" (arch->vex.guest_SS));
asm volatile("movw %%es, %0" : : "m" (arch->vex.guest_ES));
# elif defined(VGP_amd64_linux)
vg_assert(0 == sizeof(VexGuestAMD64State) % 16);