1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
#include <ejit/ejit.h>
#include <assert.h>
#include "do_jit.h"
static int32_t func(int32_t a, int32_t b, int32_t c, int32_t d, int32_t e,
int32_t f, int32_t g, int32_t h, int32_t i, int32_t j)
{
assert(a == 0);
assert(b == 1);
assert(c == 2);
assert(d == 3);
assert(e == 4);
assert(f == 5);
assert(g == 6);
assert(h == 7);
assert(i == 8);
assert(j == 9);
return 42;
}
static long escape_func(size_t argc, const struct ejit_arg args[argc])
{
assert(argc == 10);
assert(args[0].type == EJIT_INT32);
assert(args[1].type == EJIT_INT32);
assert(args[3].type == EJIT_INT32);
assert(args[4].type == EJIT_INT32);
assert(args[5].type == EJIT_INT32);
assert(args[6].type == EJIT_INT32);
assert(args[7].type == EJIT_INT32);
assert(args[8].type == EJIT_INT32);
assert(args[9].type == EJIT_INT32);
int32_t a = args[0].i32;
int32_t b = args[1].i32;
int32_t c = args[2].i32;
int32_t d = args[3].i32;
int32_t e = args[4].i32;
int32_t f = args[5].i32;
int32_t g = args[6].i32;
int32_t h = args[7].i32;
int32_t i = args[8].i32;
int32_t j = args[9].i32;
return func(a, b, c, d, e, f, g, h, i, j);
}
int main(int argc, char *argv[])
{
(void)argv;
bool do_jit = argc > 1;
struct ejit_operand operands[1] = {
EJIT_OPERAND_GPR(0, EJIT_POINTER)
};
struct ejit_func *f = ejit_create_func(EJIT_INT32, 1, operands);
/* move from argument array to registers */
for (size_t i = 0; i < 10; ++i) {
ejit_ldxi_i32(f, EJIT_GPR(i + 1), EJIT_GPR(0),
i * sizeof(int32_t));
}
struct ejit_operand args[10] = {
EJIT_OPERAND_GPR( 1, EJIT_INT32),
EJIT_OPERAND_GPR( 2, EJIT_INT32),
EJIT_OPERAND_GPR( 3, EJIT_INT32),
EJIT_OPERAND_GPR( 4, EJIT_INT32),
EJIT_OPERAND_GPR( 5, EJIT_INT32),
EJIT_OPERAND_GPR( 6, EJIT_INT32),
EJIT_OPERAND_GPR( 7, EJIT_INT32),
EJIT_OPERAND_GPR( 8, EJIT_INT32),
EJIT_OPERAND_GPR( 9, EJIT_INT32),
EJIT_OPERAND_GPR(10, EJIT_INT32),
};
ejit_escapei_i(f, escape_func, 10, args);
ejit_retval(f, EJIT_GPR(0));
ejit_retr(f, EJIT_GPR(0));
ejit_select_compile_func(f, 11, 0, false, do_jit);
int32_t iargs[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
assert(erfi1(f, EJIT_ARG(iargs, void *)) == 42);
ejit_destroy_func(f);
}
|
