mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-12 06:11:37 +00:00
83 lines
1.7 KiB
C
83 lines
1.7 KiB
C
|
|
#include <stdio.h>
|
|
|
|
typedef unsigned long long int ULong;
|
|
typedef unsigned int UInt;
|
|
|
|
ULong m64;
|
|
|
|
UInt eax;
|
|
UInt ebx;
|
|
UInt ecx;
|
|
UInt edx;
|
|
UInt zout;
|
|
|
|
extern void foo ( void );
|
|
asm("\n"
|
|
"foo:\n"
|
|
"\tpushl %eax\n"
|
|
"\tpushl %ebx\n"
|
|
"\tpushl %ecx\n"
|
|
"\tpushl %edx\n"
|
|
|
|
"\txorl %eax, %eax\n" // get eflags in a known state
|
|
|
|
"\tmovl eax,%eax\n"
|
|
"\tmovl ebx,%ebx\n"
|
|
"\tmovl ecx,%ecx\n"
|
|
"\tmovl edx,%edx\n"
|
|
"\tcmpxchg8b m64\n"
|
|
"\tmovl %eax,eax\n"
|
|
"\tmovl %ebx,ebx\n"
|
|
"\tmovl %ecx,ecx\n"
|
|
"\tmovl %edx,edx\n"
|
|
"\tpushfl\n"
|
|
"\tpopl %eax\n"
|
|
"\tmovl %eax,zout\n"
|
|
|
|
"\tpopl %edx\n"
|
|
"\tpopl %ecx\n"
|
|
"\tpopl %ebx\n"
|
|
"\tpopl %eax\n"
|
|
"\tret\n"
|
|
);
|
|
|
|
int main ( void )
|
|
{
|
|
edx = 0x11111111; eax = 0x22222222;
|
|
ecx = 0x33333333; ebx = 0x44444444;
|
|
zout = 0x55555555;
|
|
m64 = 0x1111111122222222ULL;
|
|
foo();
|
|
printf("0x%x 0x%x 0x%x 0x%x 0x%x 0x%llx\n",
|
|
eax, ebx, ecx, edx, zout & 0xFFFF, m64 );
|
|
|
|
edx = 0x11111111; eax = 0x22222222;
|
|
ecx = 0x33333333; ebx = 0x44444444;
|
|
zout = 0x55555555;
|
|
m64 = 0x1111111122222222ULL;
|
|
m64 += 0x1ULL;
|
|
foo();
|
|
printf("0x%x 0x%x 0x%x 0x%x 0x%x 0x%llx\n",
|
|
eax, ebx, ecx, edx, zout & 0xFFFF, m64 );
|
|
|
|
edx = 0x11111111; eax = 0x22222222;
|
|
ecx = 0x33333333; ebx = 0x44444444;
|
|
zout = 0x55555555;
|
|
m64 = 0x1111111122222222ULL;
|
|
m64 += 0x100000000ULL;
|
|
foo();
|
|
printf("0x%x 0x%x 0x%x 0x%x 0x%x 0x%llx\n",
|
|
eax, ebx, ecx, edx, zout & 0xFFFF, m64 );
|
|
|
|
edx = 0x11111111; eax = 0x22222222;
|
|
ecx = 0x33333333; ebx = 0x44444444;
|
|
zout = 0x55555555;
|
|
m64 = 0x6666666677777777ULL;
|
|
foo();
|
|
printf("0x%x 0x%x 0x%x 0x%x 0x%x 0x%llx\n",
|
|
eax, ebx, ecx, edx, zout & 0xFFFF, m64 );
|
|
|
|
return 0;
|
|
}
|