repository: /home/avi/kvm
branch: master
commit b0137bceca1e25f47f5fc83796d639f3fc6ab75c
Author: Avi Kivity <[EMAIL PROTECTED]>
Date: Thu Dec 6 19:03:11 2007 +0200
kvm: testsuite: test push instruction emulation
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/user/test/x86/emulator.c b/user/test/x86/emulator.c
index 830e7dc..626e02b 100644
--- a/user/test/x86/emulator.c
+++ b/user/test/x86/emulator.c
@@ -2,6 +2,8 @@
#include "vm.h"
#include "printf.h"
+#define memset __builtin_memset
+
int fails, tests;
void report(const char *name, int result)
@@ -90,6 +92,32 @@ void test_cmps(void *mem)
}
+void test_push(void *mem)
+{
+ unsigned long tmp;
+ unsigned long *stack_top = mem + 4096;
+ unsigned long *new_stack_top;
+ unsigned long memw = 0x123456789abcdeful;
+
+ memset(mem, 0x55, (void *)stack_top - mem);
+
+ asm volatile("mov %%rsp, %[tmp] \n\t"
+ "mov %[stack_top], %%rsp \n\t"
+ "pushq $-7 \n\t"
+ "pushq %[reg] \n\t"
+ "pushq (%[mem]) \n\t"
+ "mov %%rsp, %[new_stack_top] \n\t"
+ "mov %[tmp], %%rsp"
+ : [new_stack_top]"=r"(new_stack_top)
+ : [tmp]"r"(tmp), [stack_top]"r"(stack_top),
+ [reg]"r"(-17l), [mem]"r"(&memw)
+ : "memory");
+
+ report("push $imm8", stack_top[-1] == -7ul);
+ report("push %reg", stack_top[-2] == -17ul);
+ report("push mem", stack_top[-3] == 0x123456789abcdeful);
+}
+
int main()
{
void *mem;
@@ -109,6 +137,8 @@ int main()
test_cmps(mem);
+ test_push(mem);
+
printf("\nSUMMARY: %d tests, %d failures\n", tests, fails);
return fails ? 1 : 0;
}
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