[llvm-commits] [compiler-rt] r163301 - /compiler-rt/trunk/lib/interception/mach_override/mach_override.c

[Alexander Potapenko]

Author: glider
Date: Thu Sep  6 04:38:27 2012
New Revision: 163301

URL: http://llvm.org/viewvc/llvm-project?rev=163301&view=rev
Log:
Add "movsbl %dh, %ecx" and "testb %r8, %r8" to mach_override.
This should fix http://code.google.com/p/address-sanitizer/issues/detail?id=105


Modified:
    compiler-rt/trunk/lib/interception/mach_override/mach_override.c

Modified: compiler-rt/trunk/lib/interception/mach_override/mach_override.c
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/interception/mach_override/mach_override.c?rev=163301&r1=163300&r2=163301&view=diff
==============================================================================
--- compiler-rt/trunk/lib/interception/mach_override/mach_override.c (original)
+++ compiler-rt/trunk/lib/interception/mach_override/mach_override.c Thu Sep  6 04:38:27 2012
@@ -701,6 +701,7 @@
 	{ 0x3, {0xFB, 0xFF, 0x00}, {0x48, 0x89, 0x00} },	                            // mov %reg, %reg
 	{ 0x3, {0xFB, 0xFF, 0x00}, {0x49, 0x89, 0x00} },	                            // mov %reg, %reg (REX.WB)
 	{ 0x2, {0xFF, 0x00}, {0x41, 0x00} },						// push %rXX
+	{ 0x2, {0xFF, 0x00}, {0x84, 0x00} },						// test %rX8,%rX8
 	{ 0x2, {0xFF, 0x00}, {0x85, 0x00} },						// test %rX,%rX
 	{ 0x2, {0xFF, 0x00}, {0x77, 0x00} },						// ja $i8
 	{ 0x2, {0xFF, 0x00}, {0x74, 0x00} },						// je $i8
@@ -724,6 +725,7 @@
         { 0x2, {0xFF, 0x00}, {0x89, 0x00} },                               // mov r/m32,r32 or r/m16,r16
         { 0x3, {0xFF, 0xFF, 0xFF}, {0x49, 0x89, 0xF8} },                   // mov %rdi,%r8
         { 0x4, {0xFF, 0xFF, 0xFF, 0xFF}, {0x40, 0x0F, 0xBE, 0xCE} },       // movsbl %sil,%ecx
+        { 0x3, {0xFF, 0xFF, 0xFF}, {0x0F, 0xBE, 0xCE} },  // movsbl, %dh, %ecx
         { 0x3, {0xFF, 0xFF, 0x00}, {0xFF, 0x77, 0x00} },  // pushq $imm(%rdi)
         { 0x2, {0xFF, 0xFF}, {0xDB, 0xE3} }, // fninit
         { 0x3, {0xFF, 0xFF, 0xFF}, {0x48, 0x85, 0xD2} },  // test %rdx,%rdx