Add a regtest for #125959.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6351

diff --git a/none/tests/x86/Makefile.am b/none/tests/x86/Makefile.am
index a8c5ec7518cce5d681c75a0d528aa9c91a4f441e..dd9ea2c7f470a07d1c598d5fc7ad774fb2259365 100644 (file)
--- a/none/tests/x86/Makefile.am
+++ b/none/tests/x86/Makefile.am
@@ -8,6 +8,7 @@ EXTRA_DIST = $(noinst_SCRIPTS) \
        badseg.stderr.exp badseg.stdout.exp badseg.vgtest \
        bt_everything.stderr.exp bt_everything.stdout.exp bt_everything.vgtest \
        bt_literal.stderr.exp bt_literal.stdout.exp bt_literal.vgtest \
+       bug125959-x86.stderr.exp bug125959-x86.stdout.exp bug125959-x86.vgtest \
        bug132813-x86.stderr.exp bug132813-x86.stdout.exp bug132813-x86.vgtest \
        cpuid.stderr.exp cpuid.stdout.exp cpuid.vgtest \
        cmpxchg8b.stderr.exp cmpxchg8b.stdout.exp cmpxchg8b.vgtest \
@@ -34,6 +35,7 @@ EXTRA_DIST = $(noinst_SCRIPTS) \
 
 check_PROGRAMS = \
        badseg bt_everything bt_literal \
+       bug125959-x86 \
        bug132813-x86 \
        cmpxchg8b cpuid \
        faultstatus fcmovnu fpu_lazy_eflags fxtract \

diff --git a/none/tests/x86/bug125959-x86.c b/none/tests/x86/bug125959-x86.c
new file mode 100644 (file)
index 0000000..96a04e2
--- /dev/null
+++ b/none/tests/x86/bug125959-x86.c
@@ -0,0 +1,36 @@
+
+#include <stdio.h>
+
+unsigned char buf[256]; 
+
+static int lookup ( int i )
+{
+  int block[3];
+  block[0] = (int)&buf[0];
+  block[1] = i;
+  block[2] = 0;
+  __asm__ __volatile__(
+     "movl %0,%%esi\n\t"
+     "movl 0(%%esi),%%ebx\n\t"
+     "movl 4(%%esi),%%eax\n\t"
+     "xlat\n\t"
+     "movl %%eax,8(%%esi)\n\t"
+     : : /*in*/"r"(block) : "esi", "ebx", "eax", "memory", "cc"
+  );
+  return block[2];
+}
+
+int main(void) 
+{ 
+  int i, j;
+   for (i = 0; i < 256; i++) 
+    buf[i] = (unsigned char) i;
+
+   j = 0;
+   for (i = 0; i < 130; i++) {
+     printf("%08x\n", lookup(j));
+     j += 0x01000001;
+   }
+
+   return 0; 
+}

diff --git a/none/tests/x86/bug125959-x86.stderr.exp b/none/tests/x86/bug125959-x86.stderr.exp
new file mode 100644 (file)
index 0000000..139597f
--- /dev/null
+++ b/none/tests/x86/bug125959-x86.stderr.exp
@@ -0,0 +1,2 @@
+
+

diff --git a/none/tests/x86/bug125959-x86.stdout.exp b/none/tests/x86/bug125959-x86.stdout.exp
new file mode 100644 (file)
index 0000000..da1702c
--- /dev/null
+++ b/none/tests/x86/bug125959-x86.stdout.exp
@@ -0,0 +1,130 @@
+00000000
+01000001
+02000002
+03000003
+04000004
+05000005
+06000006
+07000007
+08000008
+09000009
+0a00000a
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+7a00007a
+7b00007b
+7c00007c
+7d00007d
+7e00007e
+7f00007f
+80000080
+81000081

diff --git a/none/tests/x86/bug125959-x86.vgtest b/none/tests/x86/bug125959-x86.vgtest
new file mode 100644 (file)
index 0000000..9de071e
--- /dev/null
+++ b/none/tests/x86/bug125959-x86.vgtest
@@ -0,0 +1 @@
+prog: bug125959-x86