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#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
#define stringify(s) tostring(s)
#define tostring(s) #s
#define CC_C 0x0001
#define CC_P 0x0004
#define CC_A 0x0010
#define CC_Z 0x0040
#define CC_S 0x0080
#define CC_O 0x0800
/* XXX: currently no A flag */
#define CC_MASK (CC_C | CC_P | CC_Z | CC_S | CC_O)
#define __init_call __attribute__ ((unused,__section__ (".initcall.init")))
static void *call_start __init_call = NULL;
#define OP add
#include "test-i386.h"
#define OP sub
#include "test-i386.h"
#define OP xor
#include "test-i386.h"
#define OP and
#include "test-i386.h"
#define OP or
#include "test-i386.h"
#define OP cmp
#include "test-i386.h"
#define OP adc
#define OP_CC
#include "test-i386.h"
#define OP sbb
#define OP_CC
#include "test-i386.h"
#define OP inc
#define OP_CC
#define OP1
#include "test-i386.h"
#define OP dec
#define OP_CC
#define OP1
#include "test-i386.h"
#define OP neg
#define OP_CC
#define OP1
#include "test-i386.h"
#define OP not
#define OP_CC
#define OP1
#include "test-i386.h"
/* lea test (modrm support) */
#define TEST_LEA(STR)\
{\
asm("leal " STR ", %0"\
: "=r" (res)\
: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
printf("lea %s = %08x\n", STR, res);\
}
#define TEST_LEA16(STR)\
{\
asm(".code16 ; .byte 0x67 ; leal " STR ", %0 ; .code32"\
: "=wq" (res)\
: "a" (eax), "b" (ebx), "c" (ecx), "d" (edx), "S" (esi), "D" (edi));\
printf("lea %s = %08x\n", STR, res);\
}
void test_lea(void)
{
int eax, ebx, ecx, edx, esi, edi, res;
eax = 0x0001;
ebx = 0x0002;
ecx = 0x0004;
edx = 0x0008;
esi = 0x0010;
edi = 0x0020;
TEST_LEA("0x4000");
TEST_LEA("(%%eax)");
TEST_LEA("(%%ebx)");
TEST_LEA("(%%ecx)");
TEST_LEA("(%%edx)");
TEST_LEA("(%%esi)");
TEST_LEA("(%%edi)");
TEST_LEA("0x40(%%eax)");
TEST_LEA("0x40(%%ebx)");
TEST_LEA("0x40(%%ecx)");
TEST_LEA("0x40(%%edx)");
TEST_LEA("0x40(%%esi)");
TEST_LEA("0x40(%%edi)");
TEST_LEA("0x4000(%%eax)");
TEST_LEA("0x4000(%%ebx)");
TEST_LEA("0x4000(%%ecx)");
TEST_LEA("0x4000(%%edx)");
TEST_LEA("0x4000(%%esi)");
TEST_LEA("0x4000(%%edi)");
TEST_LEA("(%%eax, %%ecx)");
TEST_LEA("(%%ebx, %%edx)");
TEST_LEA("(%%ecx, %%ecx)");
TEST_LEA("(%%edx, %%ecx)");
TEST_LEA("(%%esi, %%ecx)");
TEST_LEA("(%%edi, %%ecx)");
TEST_LEA("0x40(%%eax, %%ecx)");
TEST_LEA("0x4000(%%ebx, %%edx)");
TEST_LEA("(%%ecx, %%ecx, 2)");
TEST_LEA("(%%edx, %%ecx, 4)");
TEST_LEA("(%%esi, %%ecx, 8)");
TEST_LEA("(,%%eax, 2)");
TEST_LEA("(,%%ebx, 4)");
TEST_LEA("(,%%ecx, 8)");
TEST_LEA("0x40(,%%eax, 2)");
TEST_LEA("0x40(,%%ebx, 4)");
TEST_LEA("0x40(,%%ecx, 8)");
TEST_LEA("-10(%%ecx, %%ecx, 2)");
TEST_LEA("-10(%%edx, %%ecx, 4)");
TEST_LEA("-10(%%esi, %%ecx, 8)");
TEST_LEA("0x4000(%%ecx, %%ecx, 2)");
TEST_LEA("0x4000(%%edx, %%ecx, 4)");
TEST_LEA("0x4000(%%esi, %%ecx, 8)");
/* limited 16 bit addressing test */
TEST_LEA16("0x4000");
TEST_LEA16("(%%bx)");
TEST_LEA16("(%%si)");
TEST_LEA16("(%%di)");
TEST_LEA16("0x40(%%bx)");
TEST_LEA16("0x40(%%si)");
TEST_LEA16("0x40(%%di)");
TEST_LEA16("0x4000(%%bx)");
TEST_LEA16("0x4000(%%si)");
TEST_LEA16("(%%bx,%%si)");
TEST_LEA16("(%%bx,%%di)");
TEST_LEA16("0x40(%%bx,%%si)");
TEST_LEA16("0x40(%%bx,%%di)");
TEST_LEA16("0x4000(%%bx,%%si)");
TEST_LEA16("0x4000(%%bx,%%di)");
}
#define TEST_JCC(JCC, v1, v2)\
{\
asm("movl $1, %0\n\t"\
"cmpl %2, %1\n\t"\
JCC " 1f\n\t"\
"movl $0, %0\n\t"\
"1:\n\t"\
: "=r" (res)\
: "r" (v1), "r" (v2));\
printf("%-10s %d\n", JCC, res);\
}
/* various jump tests */
void test_jcc(void)
{
int res;
TEST_JCC("jne", 1, 1);
TEST_JCC("jne", 1, 0);
TEST_JCC("je", 1, 1);
TEST_JCC("je", 1, 0);
TEST_JCC("jl", 1, 1);
TEST_JCC("jl", 1, 0);
TEST_JCC("jl", 1, -1);
TEST_JCC("jle", 1, 1);
TEST_JCC("jle", 1, 0);
TEST_JCC("jle", 1, -1);
TEST_JCC("jge", 1, 1);
TEST_JCC("jge", 1, 0);
TEST_JCC("jge", -1, 1);
TEST_JCC("jg", 1, 1);
TEST_JCC("jg", 1, 0);
TEST_JCC("jg", 1, -1);
TEST_JCC("jb", 1, 1);
TEST_JCC("jb", 1, 0);
TEST_JCC("jb", 1, -1);
TEST_JCC("jbe", 1, 1);
TEST_JCC("jbe", 1, 0);
TEST_JCC("jbe", 1, -1);
TEST_JCC("jae", 1, 1);
TEST_JCC("jae", 1, 0);
TEST_JCC("jae", 1, -1);
TEST_JCC("ja", 1, 1);
TEST_JCC("ja", 1, 0);
TEST_JCC("ja", 1, -1);
TEST_JCC("jp", 1, 1);
TEST_JCC("jp", 1, 0);
TEST_JCC("jnp", 1, 1);
TEST_JCC("jnp", 1, 0);
TEST_JCC("jo", 0x7fffffff, 0);
TEST_JCC("jo", 0x7fffffff, -1);
TEST_JCC("jno", 0x7fffffff, 0);
TEST_JCC("jno", 0x7fffffff, -1);
TEST_JCC("js", 0, 1);
TEST_JCC("js", 0, -1);
TEST_JCC("js", 0, 0);
TEST_JCC("jns", 0, 1);
TEST_JCC("jns", 0, -1);
TEST_JCC("jns", 0, 0);
}
static void *call_end __init_call = NULL;
int main(int argc, char **argv)
{
void **ptr;
void (*func)(void);
ptr = &call_start + 1;
while (*ptr != NULL) {
func = *ptr++;
func();
}
test_lea();
test_jcc();
return 0;
}
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