mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-08 04:55:52 +00:00
7c542ccd39
seem to be simply duplication of the x86 instruction set tests into the addrcheck and helgrind trees. I'm not sure what this duplication achieves. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3264
93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
#define _GNU_SOURCE
|
|
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
#include <sys/ucontext.h>
|
|
#include <asm/unistd.h>
|
|
|
|
#define VAL1 0x11223344
|
|
#define VAL2 0x44332211
|
|
|
|
static void handler1(int sig, siginfo_t *si, ucontext_t *uc)
|
|
{
|
|
/* Since the handler will be called as kill leaves the kernel,
|
|
this is replacing the kill syscall's return value. */
|
|
if (uc->uc_mcontext.gregs[REG_EAX] != 0)
|
|
printf("FAILED: handler2 expected eax == 0, not %d\n", uc->uc_mcontext.gregs[REG_EAX]);
|
|
uc->uc_mcontext.gregs[REG_EAX] = VAL1;
|
|
|
|
asm volatile (
|
|
"movl $0, %%edx\n"
|
|
"movl $0, %%esi\n"
|
|
"movl $0, %%edi\n"
|
|
: : : "edx", "esi", "edi");
|
|
}
|
|
|
|
static void handler2(int sig, struct sigcontext sc)
|
|
{
|
|
/* Since the handler will be called as kill leaves the kernel,
|
|
this is replacing the kill syscall's return value. */
|
|
if (sc.eax != 0)
|
|
printf("FAILED: handler2 expected eax == 0, not %d\n", sc.eax);
|
|
|
|
sc.eax = VAL2;
|
|
|
|
asm volatile (
|
|
"movl $0, %%edx\n"
|
|
"movl $0, %%esi\n"
|
|
"movl $0, %%edi\n"
|
|
: : : "edx", "esi", "edi");
|
|
}
|
|
|
|
int main()
|
|
{
|
|
struct sigaction sa;
|
|
int ret;
|
|
int v1, v2, v3, v4;
|
|
|
|
sa.sa_handler = handler1;
|
|
sa.sa_flags = SA_SIGINFO;
|
|
sigfillset(&sa.sa_mask);
|
|
|
|
sigaction(SIGUSR1, &sa, NULL);
|
|
|
|
sa.sa_handler = handler2;
|
|
sa.sa_flags = 0;
|
|
sigfillset(&sa.sa_mask);
|
|
|
|
sigaction(SIGUSR2, &sa, NULL);
|
|
|
|
asm volatile (
|
|
//"movl $0x11111111, %%ebp\n"
|
|
"movl $0x22222222, %%edx\n"
|
|
"movl $0x33333333, %%esi\n"
|
|
"movl $0x44444444, %%edi\n"
|
|
"int $0x80"
|
|
: "=a" (ret), "=d" (v2), "=S" (v3), "=D" (v4)
|
|
: "0" (__NR_kill), "b" (getpid()), "c" (SIGUSR1));
|
|
printf("v2=%x v3=%x v4=%x\n", v2, v3, v4);
|
|
|
|
if (ret == VAL1)
|
|
printf("PASS %x\n", ret);
|
|
else
|
|
printf("FAIL ret=%x not %x\n", ret, VAL1);
|
|
|
|
asm volatile (
|
|
//"movl $0x11111111, %%ebp\n"
|
|
"movl $0x22222222, %%edx\n"
|
|
"movl $0x33333333, %%esi\n"
|
|
"movl $0x44444444, %%edi\n"
|
|
"int $0x80"
|
|
: "=a" (ret), "=d" (v2), "=S" (v3), "=D" (v4)
|
|
: "0" (__NR_kill), "b" (getpid()), "c" (SIGUSR2));
|
|
printf("v2=%x v3=%x v4=%x\n", v2, v3, v4);
|
|
|
|
if (ret == VAL2)
|
|
printf("PASS %x\n", ret);
|
|
else
|
|
printf("FAIL ret=%x not %x\n", ret, VAL2);
|
|
|
|
return 0;
|
|
}
|