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call_x86.h
executable file
·1186 lines (1036 loc) · 36.3 KB
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call_x86.h
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/*
** This file has been pre-processed with DynASM.
** http://luajit.org/dynasm.html
** DynASM version 1.3.0, DynASM x86 version 1.3.0
** DO NOT EDIT! The original file is in "call_x86.dasc".
*/
#if DASM_VERSION != 10300
#error "Version mismatch between DynASM and included encoding engine"
#endif
/* vim: ts=4 sw=4 sts=4 et tw=78
* Portions copyright (c) 2015-present, Facebook, Inc. All rights reserved.
* Portions copyright (c) 2011 James R. McKaskill.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
static const unsigned char build_actionlist[1915] = {
139,141,233,255,139,141,233,139,149,233,255,137,132,253,36,233,255,137,132,
253,36,233,137,148,253,36,233,255,221.0,133,233,255,217.0,133,233,255,252,
243.0,15.0,126,133,233,255,252,243.0,15.0,90,133,233,255,221.0,156,253,36,
233,255,217.0,156,253,36,233,255,102.0,15.0,214,132,253,36,233,255,252,242.0,
15.0,90,192,102.0,15.0,214,132,253,36,233,255,252,242.0,15.0,90,192,102.0,
15.0,126,132,253,36,233,255,85,137,229,87,129.0,252,236,239,255,137,77,252,
248,137,85,252,244,255,191,237,255,199.0,68,36,8,237,199.0,68,36,4,237,137,
60,36,232,251,1,0,255,199.0,68,36,8,237,199.0,68,36,4,252,255,252,255.0,252,
255.0,252,255.0,137,60,36,232,251,1,0,255,199.0,68,36,8,237,199.0,68,36,4,
237,137,60,36,232,251,1,0,199.0,68,36,8,237,199.0,68,36,4,252,255,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,1,255,137,8,199.0,68,36,4,252,254,
252,255.0,252,255.0,252,255.0,137,60,36,232,251,1,2,255,199.0,68,36,8,237,
199.0,68,36,4,0,0.0,0.0,0.0,137,60,36,232,251,1,1,255,137,8,137,80,4,255,
137,8,255,102.0,15.0,214,0,255,217.0,24,255,217.0,88,4,255,221.0,24,255,221.0,
88,8,255,221.0,92,36,4,137,60,36,232,251,1,3,255,15.0,182,201,137,76,36,4,
137,60,36,232,251,1,4,255,15.0,182,201,255,15.0,190,201,255,137,76,36,4,137,
60,36,232,251,1,5,255,15.0,183,201,255,15.0,191,201,255,137,76,36,4,137,60,
36,232,251,1,6,255,199.0,68,36,12,0,0.0,0.0,0.0,199.0,68,36,8,237,199.0,68,
36,4,237,137,60,36,232,251,1,7,255,199.0,68,36,8,237,199.0,68,36,4,252,254,
252,255.0,252,255.0,252,255.0,137,60,36,232,251,1,0,199.0,68,36,12,237,199.0,
68,36,8,252,255,252,255.0,252,255.0,252,255.0,199.0,68,36,4,252,254,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,8,137,68,36,32,199.0,68,36,4,252,
252,252,255.0,252,255.0,252,255.0,137,60,36,232,251,1,9,139,68,36,32,255,
199.0,68,36,8,237,199.0,68,36,4,252,254,252,255.0,252,255.0,252,255.0,137,
60,36,232,251,1,0,199.0,68,36,12,237,199.0,68,36,8,252,255,252,255.0,252,
255.0,252,255.0,199.0,68,36,4,252,254,252,255.0,252,255.0,252,255.0,137,60,
36,232,251,1,10,137,68,36,32,199.0,68,36,4,252,252,252,255.0,252,255.0,252,
255.0,137,60,36,232,251,1,9,139,68,36,32,255,199.0,68,36,4,252,254,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,9,255,199.0,68,36,4,252,255,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,11,255,199.0,68,36,4,252,255,252,
255.0,252,255.0,252,255.0,137,60,36,232,251,1,12,255,137,68,36,32,199.0,68,
36,4,252,253,252,255.0,252,255.0,252,255.0,137,60,36,232,251,1,9,139,68,36,
32,255,199.0,68,36,4,252,255,252,255.0,252,255.0,252,255.0,137,60,36,232,
251,1,13,255,199.0,68,36,4,252,255,252,255.0,252,255.0,252,255.0,137,60,36,
232,251,1,14,255,137,68,36,32,137,84,36,36,199.0,68,36,4,252,253,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,9,139,68,36,32,139,84,36,36,255,199.0,
68,36,4,252,255,252,255.0,252,255.0,252,255.0,137,60,36,232,251,1,15,137,
68,36,32,199.0,68,36,4,252,253,252,255.0,252,255.0,252,255.0,137,60,36,232,
251,1,9,139,68,36,32,255,199.0,68,36,4,252,255,252,255.0,252,255.0,252,255.0,
137,60,36,232,251,1,16,255,221.0,92,36,32,199.0,68,36,4,252,253,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,9,221.0,68,36,32,255,199.0,68,36,
4,252,255,252,255.0,252,255.0,252,255.0,137,60,36,232,251,1,17,137,68,36,
32,137,84,36,36,199.0,68,36,4,252,253,252,255.0,252,255.0,252,255.0,137,60,
36,232,251,1,9,139,68,36,32,139,84,36,36,255,199.0,68,36,4,252,255,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,18,102.0,15.0,214,68,36,32,102.0,
15.0,214,76,36,40,199.0,68,36,4,252,253,252,255.0,252,255.0,252,255.0,137,
60,36,232,251,1,9,252,243.0,15.0,126,68,36,32,252,243.0,15.0,126,76,36,40,
255,139,141,233,199.0,68,36,8,252,255,252,255.0,252,255.0,252,255.0,137,124,
36,4,137,12,36,232,251,1,18,131.0,252,236,4,199.0,68,36,4,252,253,252,255.0,
252,255.0,252,255.0,137,60,36,232,251,1,9,255,139,125,252,252,137,252,236,
93,194,236,255,85,137,229,87,86,139,189,233,131.0,252,236,16,137,60,36,232,
251,1,19,137,198,129.0,252,248,239,255,15.0,141,244,248.0,102,184,0,0.0,199.0,
68,36,4,237,137,60,36,232,251,1,20,248,2,15.0,142,244,247.0,102,184,0,0.0,
199.0,68,36,4,237,137,60,36,232,251,1,20,255,15.0,141,244,247.0,102,184,0,
0.0,199.0,68,36,4,237,137,60,36,232,251,1,20,255,248,1,255,193.0,224,4,41,
196,129.0,252,236,239,255,199.0,68,36,8,237,199.0,68,36,4,0,0.0,0.0,0.0,137,
60,36,232,251,1,1,131.0,252,236,16,255,199.0,68,36,12,237,199.0,68,36,8,237,
199.0,68,36,4,237,137,60,36,232,251,1,8,255,199.0,68,36,12,237,199.0,68,36,
8,237,199.0,68,36,4,237,137,60,36,232,251,1,21,255,199.0,68,36,12,237,199.0,
68,36,8,237,199.0,68,36,4,237,137,60,36,232,251,1,10,255,199.0,68,36,4,237,
137,60,36,232,251,1,12,255,15.0,182,192,255,15.0,190,192,255,15.0,183,192,
255,15.0,191,192,255,199.0,68,36,4,237,137,60,36,232,251,1,12,131.0,252,248,
0,15.0,149.0,208,15.0,182,192,255,199.0,68,36,4,237,137,60,36,232,251,1,11,
255,199.0,68,36,4,237,137,60,36,232,251,1,15,255,199.0,68,36,4,237,137,60,
36,232,251,1,13,255,199.0,68,36,4,237,137,60,36,232,251,1,14,255,199.0,68,
36,4,237,137,60,36,232,251,1,16,255,199.0,68,36,4,237,137,60,36,232,251,1,
18,255,252,243.0,15.0,126,193,255,141,132,253,36,233,131.0,252,236,4,199.0,
68,36,8,237,137,124,36,4,137,4,36,232,251,1,18,255,199.0,68,36,4,237,137,
60,36,232,251,1,17,255,199.0,68,36,4,237,137,60,36,232,251,1,17,137,4,36,
217.0,4,36,255,137,20,36,217.0,4,36,255,137,224,129.0,192,239,137,68,36,12,
137,116,36,8,199.0,68,36,4,237,137,60,36,232,251,1,22,255,185,237,139,1,137,
4,36,232,251,1,23,255,131.0,196,32,255,139,148,253,36,233,255,139,12,36,255,
129.0,196,239,255,232,251,1,24,131.0,252,236,48,255,137,68,36,32,232,251,
1,25,185,237,137,1,199.0,68,36,8,237,199.0,68,36,4,237,137,60,36,232,251,
1,1,139,76,36,32,137,8,184,1,0.0,0.0,0.0,139,117,252,248,139,125,252,252,
137,252,236,93,195,255,137,68,36,32,232,251,1,25,185,237,137,1,139,68,36,
32,137,68,36,4,137,60,36,232,251,1,26,184,1,0.0,0.0,0.0,139,117,252,248,139,
125,252,252,137,252,236,93,195,255,137,84,36,36,137,68,36,32,232,251,1,25,
185,237,137,1,199.0,68,36,8,237,199.0,68,36,4,0,0.0,0.0,0.0,137,60,36,232,
251,1,1,139,76,36,36,139,84,36,32,137,72,4,137,16,184,1,0.0,0.0,0.0,139,117,
252,248,139,125,252,252,137,252,236,93,195,255,137,68,36,32,137,84,36,36,
232,251,1,25,185,237,137,1,199.0,68,36,8,237,199.0,68,36,4,237,137,60,36,
232,251,1,1,139,76,36,32,137,8,139,76,36,36,137,72,4,184,1,0.0,0.0,0.0,139,
117,252,248,139,125,252,252,137,252,236,93,195,255,131.0,252,236,4,232,251,
1,25,185,237,137,1,184,1,0.0,0.0,0.0,139,117,252,248,139,125,252,252,137,
252,236,93,195,255,232,251,1,25,185,237,137,1,184,0,0.0,0.0,0.0,139,117,252,
248,139,125,252,252,137,252,236,93,195,255,15.0,182,192,137,68,36,32,232,
251,1,25,185,237,137,1,139,68,36,32,137,68,36,4,137,60,36,232,251,1,4,184,
1,0.0,0.0,0.0,139,117,252,248,139,125,252,252,137,252,236,93,195,255,137,
68,36,32,232,251,1,25,185,237,137,1,139,68,36,32,137,68,36,4,137,60,36,232,
251,1,5,184,1,0.0,0.0,0.0,139,117,252,248,139,125,252,252,137,252,236,93,
195,255,137,68,36,32,232,251,1,25,185,237,137,1,139,68,36,32,137,68,36,4,
137,60,36,232,251,1,6,184,1,0.0,0.0,0.0,139,117,252,248,139,125,252,252,137,
252,236,93,195,255,221.0,92,36,4,232,251,1,25,185,237,137,1,137,60,36,232,
251,1,3,184,1,0.0,0.0,0.0,139,117,252,248,139,125,252,252,137,252,236,93,
195,255
};
static const char *const globnames[] = {
(const char *)0
};
static const char *const extnames[] = {
"lua_rawgeti",
"push_cdata",
"lua_remove",
"lua_pushnumber",
"lua_pushboolean",
"push_int",
"push_uint",
"lua_callk",
"check_typed_pointer",
"lua_settop",
"check_enum",
"check_uint32",
"check_int32",
"check_uint64",
"check_int64",
"check_uintptr",
"check_double",
"check_complex_float",
"check_complex_double",
"lua_gettop",
"luaL_error",
"check_typed_cfunction",
"unpack_varargs_stack",
"SetLastError",
"FUNCTION",
"GetLastError",
"lua_pushinteger",
(const char *)0
};
#if defined _WIN64 || defined __amd64__
#define JUMP_SIZE 14
#else
#define JUMP_SIZE 4
#endif
#define MIN_BRANCH INT32_MIN
#define MAX_BRANCH INT32_MAX
#define BRANCH_OFF 4
static void compile_extern_jump(struct jit* jit, lua_State* L, cfunction func, uint8_t* code)
{
/* The jump code is the function pointer followed by a stub to call the
* function pointer. The stub exists in 64 bit so we can jump to functions
* with an offset greater than 2 GB.
*
* Note we have to manually set this up since there are commands buffered
* in the jit state and dynasm doesn't support rip relative addressing.
*
* eg on 64 bit:
* 0-8: function ptr
* 8-14: jmp aword [rip-14]
*
* for 32 bit we only set the function ptr as it can always fit in a 32
* bit displacement
*/
#if defined _WIN64 || defined __amd64__
*(cfunction*) code = func;
code[8] = 0xFF; /* FF /4 operand for jmp */
code[9] = 0x25; /* RIP displacement */
*(int32_t*) &code[10] = -14;
#else
*(cfunction*) code = func;
#endif
}
void compile_globals(struct jit* jit, lua_State* L)
{
struct jit* Dst = jit;
int* perr = &jit->last_errno;
dasm_setup(Dst, build_actionlist);
/* Note: since the return code uses EBP to reset the stack pointer, we
* don't have to track the amount of stack space used. It also means we
* can handle stdcall and cdecl with the same code.
*/
/* Note the various call_* functions want 32 bytes of 16 byte aligned
* stack
*/
compile(Dst, L, NULL, LUA_NOREF);
}
int x86_return_size(lua_State* L, int usr, const struct ctype* ct)
{
int ret = 0;
const struct ctype* mt;
if (ct->calling_convention != C_CALL) {
size_t i;
size_t argn = lua_rawlen(L, usr);
for (i = 1; i <= argn; i++) {
lua_rawgeti(L, usr, (int) i);
mt = (const struct ctype*) lua_touserdata(L, -1);
if (mt->pointers || mt->is_reference) {
ret += sizeof(void*);
} else {
switch (mt->type) {
case DOUBLE_TYPE:
case COMPLEX_FLOAT_TYPE:
case INT64_TYPE:
ret += 8;
break;
case COMPLEX_DOUBLE_TYPE:
ret += 16;
break;
case INTPTR_TYPE:
ret += sizeof(intptr_t);
break;
case FUNCTION_PTR_TYPE:
ret += sizeof(cfunction);
break;
case BOOL_TYPE:
case FLOAT_TYPE:
case INT8_TYPE:
case INT16_TYPE:
case INT32_TYPE:
case ENUM_TYPE:
ret += 4;
break;
default:
return luaL_error(L, "NYI - argument type");
}
}
lua_pop(L, 1);
}
}
#if !defined _WIN64 && !defined __amd64__
lua_rawgeti(L, usr, 0);
mt = (const struct ctype*) lua_touserdata(L, -1);
if (!mt->pointers && !mt->is_reference && mt->type == COMPLEX_DOUBLE_TYPE) {
ret += sizeof(void*);
}
lua_pop(L, 1);
#endif
return ret;
}
#ifdef _WIN64
#define MAX_REGISTERS(ct) 4 /* rcx, rdx, r8, r9 */
#elif defined __amd64__
#define MAX_INT_REGISTERS(ct) 6 /* rdi, rsi, rdx, rcx, r8, r9 */
#define MAX_FLOAT_REGISTERS(ct) 8 /* xmm0-7 */
#else
#define MAX_INT_REGISTERS(ct) ((ct)->calling_convention == FAST_CALL ? 2 /* ecx, edx */ : 0)
#define MAX_FLOAT_REGISTERS(ct) 0
#endif
struct reg_alloc {
#ifdef _WIN64
int regs;
int is_float[4];
int is_int[4];
#else
int floats;
int ints;
#endif
int off;
};
#ifdef _WIN64
#define REGISTER_STACK_SPACE(ct) (4*8)
#elif defined __amd64__
#define REGISTER_STACK_SPACE(ct) (14*8)
#else
#define REGISTER_STACK_SPACE(ct) ALIGN_UP(((ct)->calling_convention == FAST_CALL ? 2*4 : 0), 15)
#endif
/* Fastcall:
* Uses ecx, edx as first two int registers
* Everything else on stack (include 64bit ints)
* No overflow stack space
* Pops the stack before returning
* Returns int in eax, float in ST0
* We use the same register allocation logic as posix x64 with 2 int regs and 0 float regs
*/
static void get_int(Dst_DECL, const struct ctype* ct, struct reg_alloc* reg, int is_int64)
{
/* grab the register from the shadow space */
#ifdef _WIN64
if (reg->regs < MAX_REGISTERS(ct)) {
dasm_put(Dst, 0, 16 + 8*reg->regs);
reg->regs++;
}
#elif __amd64__
if (reg->ints < MAX_INT_REGISTERS(ct)) {
dasm_put(Dst, 0, - 80 - 8*reg->ints);
reg->ints++;
}
#else
if (!is_int64 && reg->ints < MAX_INT_REGISTERS(ct)) {
dasm_put(Dst, 0, - 8 - 4*reg->ints);
reg->ints++;
}
#endif
else if (is_int64) {
dasm_put(Dst, 4, reg->off, reg->off + 4);
reg->off += 8;
} else {
dasm_put(Dst, 0, reg->off);
#if defined __amd64__ || defined _WIN64
/* The parameters to a function on stack are always 8 byte aligned. */
reg->off += 8;
#else
reg->off += 4;
#endif
}
}
static void add_int(Dst_DECL, const struct ctype* ct, struct reg_alloc* reg, int is_int64)
{
#ifdef _WIN64
if (reg->regs < MAX_REGISTERS(ct)) {
dasm_put(Dst, 11, 32 + 8*(reg->regs));
reg->is_int[reg->regs++] = 1;
}
#elif __amd64__
if (reg->ints < MAX_INT_REGISTERS(ct)) {
dasm_put(Dst, 11, 32 + 8*reg->ints);
reg->ints++;
}
#else
if (!is_int64 && reg->ints < MAX_INT_REGISTERS(ct)) {
dasm_put(Dst, 11, 32 + 4*reg->ints);
reg->ints++;
}
#endif
else {
#if defined _WIN64 || defined __amd64__
if (reg->off % 8 != 0) {
reg->off += 8 - (reg->off % 8);
}
#endif
if (is_int64) {
dasm_put(Dst, 17, reg->off, reg->off + 4);
reg->off += 8;
} else {
dasm_put(Dst, 11, reg->off);
reg->off += 4;
}
}
}
static void get_float(Dst_DECL, const struct ctype* ct, struct reg_alloc* reg, int is_double)
{
#if !defined _WIN64 && !defined __amd64__
assert(MAX_FLOAT_REGISTERS(ct) == 0);
if (is_double) {
dasm_put(Dst, 28, reg->off);
reg->off += 8;
} else {
dasm_put(Dst, 32, reg->off);
reg->off += 4;
}
#else
int off;
#ifdef _WIN64
if (reg->regs < MAX_REGISTERS(ct)) {
off = -16 - 8*reg->regs;
reg->regs++;
}
#else
if (reg->floats < MAX_FLOAT_REGISTERS(ct)) {
off = -16 - 8*reg->floats;
reg->floats++;
}
#endif
else {
off = reg->off;
reg->off += is_double ? 8 : 4;
}
if (is_double) {
dasm_put(Dst, 36, off);
} else {
dasm_put(Dst, 43, off);
}
#endif
}
static void add_float(Dst_DECL, const struct ctype* ct, struct reg_alloc* reg, int is_double)
{
#if !defined _WIN64 && !defined __amd64__
assert(MAX_FLOAT_REGISTERS(ct) == 0);
if (is_double) {
dasm_put(Dst, 50, reg->off);
reg->off += 8;
} else {
dasm_put(Dst, 56, reg->off);
reg->off += 4;
}
#else
#ifdef _WIN64
if (reg->regs < MAX_REGISTERS(ct)) {
if (is_double) {
dasm_put(Dst, 62, 32 + 8*(reg->regs));
} else {
dasm_put(Dst, 70, 32 + 8*(reg->regs));
}
reg->is_float[reg->regs++] = 1;
}
#else
if (reg->floats < MAX_FLOAT_REGISTERS(ct)) {
if (is_double) {
dasm_put(Dst, 62, 32 + 8*(MAX_INT_REGISTERS(ct) + reg->floats));
} else {
dasm_put(Dst, 70, 32 + 8*(MAX_INT_REGISTERS(ct) + reg->floats));
}
reg->floats++;
}
#endif
else if (is_double) {
dasm_put(Dst, 62, reg->off);
reg->off += 8;
} else {
dasm_put(Dst, 83, reg->off);
reg->off += 4;
}
#endif
}
#if defined _WIN64 || defined __amd64__
#define add_pointer(jit, ct, reg) add_int(jit, ct, reg, 1)
#define get_pointer(jit, ct, reg) get_int(jit, ct, reg, 1)
#else
#define add_pointer(jit, ct, reg) add_int(jit, ct, reg, 0)
#define get_pointer(jit, ct, reg) get_int(jit, ct, reg, 0)
#endif
cfunction compile_callback(lua_State* L, int fidx, int ct_usr, const struct ctype* ct)
{
int i, nargs;
cfunction* pf;
struct ctype ct2 = *ct;
const struct ctype* mt;
struct reg_alloc reg;
int num_upvals = 0;
int top = lua_gettop(L);
struct jit* Dst = get_jit(L);
int ref;
int hidden_arg_off = 0;
ct_usr = lua_absindex(L, ct_usr);
fidx = lua_absindex(L, fidx);
assert(lua_isnil(L, fidx) || lua_isfunction(L, fidx));
memset(®, 0, sizeof(reg));
#ifdef _WIN64
reg.off = 16 + REGISTER_STACK_SPACE(ct); /* stack registers are above the shadow space */
#elif __amd64__
reg.off = 16;
#else
reg.off = 8;
#endif
dasm_setup(Dst, build_actionlist);
// add a table to store ctype and function upvalues
// callback_set assumes the first value is the lua function
nargs = (int) lua_rawlen(L, ct_usr);
lua_newtable(L);
lua_pushvalue(L, -1);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
if (ct->has_var_arg) {
luaL_error(L, "can't create callbacks with varargs");
}
// setup a stack frame to hold args for the call into lua_call
dasm_put(Dst, 96, 4 + 16 + 32 + REGISTER_STACK_SPACE(ct));
if (ct->calling_convention == FAST_CALL) {
dasm_put(Dst, 105);
}
// hardcode the lua_State* value into the assembly
dasm_put(Dst, 114, L);
/* get the upval table */
dasm_put(Dst, 117, ref, LUA_REGISTRYINDEX);
/* get the lua function */
lua_pushvalue(L, fidx);
lua_rawseti(L, -2, ++num_upvals);
assert(num_upvals == CALLBACK_FUNC_USR_IDX);
dasm_put(Dst, 135, num_upvals);
#if !defined _WIN64 && !defined __amd64__
lua_rawgeti(L, ct_usr, 0);
mt = (const struct ctype*) lua_touserdata(L, -1);
if (!mt->pointers && !mt->is_reference && mt->type == COMPLEX_DOUBLE_TYPE) {
hidden_arg_off = reg.off;
reg.off += sizeof(void*);
}
lua_pop(L, 1);
#else
(void) hidden_arg_off;
#endif
for (i = 1; i <= nargs; i++) {
lua_rawgeti(L, ct_usr, i);
mt = (const struct ctype*) lua_touserdata(L, -1);
if (mt->pointers || mt->is_reference) {
lua_getuservalue(L, -1);
lua_rawseti(L, -3, ++num_upvals); /* usr value */
lua_rawseti(L, -2, ++num_upvals); /* mt */
/* on the lua stack in the callback:
* upval tbl, lua func, i-1 args
*/
dasm_put(Dst, 160, num_upvals-1, -i-1, mt);
get_pointer(Dst, ct, ®);
dasm_put(Dst, 202);
} else {
switch (mt->type) {
case INT64_TYPE:
lua_getuservalue(L, -1);
lua_rawseti(L, -3, ++num_upvals); /* mt */
lua_pop(L, 1);
dasm_put(Dst, 224, mt);
get_int(Dst, ct, ®, 1);
dasm_put(Dst, 245);
break;
case INTPTR_TYPE:
lua_getuservalue(L, -1);
lua_rawseti(L, -3, ++num_upvals); /* mt */
lua_pop(L, 1);
dasm_put(Dst, 224, mt);
get_pointer(Dst, ct, ®);
dasm_put(Dst, 251);
break;
case COMPLEX_FLOAT_TYPE:
lua_pop(L, 1);
#if defined _WIN64 || defined __amd64__
/* complex floats are two floats packed into a double */
dasm_put(Dst, 224, mt);
get_float(Dst, ct, ®, 1);
dasm_put(Dst, 254);
#else
/* complex floats are real followed by imag on the stack */
dasm_put(Dst, 224, mt);
get_float(Dst, ct, ®, 0);
dasm_put(Dst, 259);
get_float(Dst, ct, ®, 0);
dasm_put(Dst, 262);
#endif
break;
case COMPLEX_DOUBLE_TYPE:
lua_pop(L, 1);
dasm_put(Dst, 224, mt);
/* real */
get_float(Dst, ct, ®, 1);
dasm_put(Dst, 266);
/* imag */
get_float(Dst, ct, ®, 1);
dasm_put(Dst, 269);
break;
case FLOAT_TYPE:
case DOUBLE_TYPE:
lua_pop(L, 1);
get_float(Dst, ct, ®, mt->type == DOUBLE_TYPE);
dasm_put(Dst, 273);
break;
case BOOL_TYPE:
lua_pop(L, 1);
get_int(Dst, ct, ®, 0);
dasm_put(Dst, 285);
break;
case INT8_TYPE:
lua_pop(L, 1);
get_int(Dst, ct, ®, 0);
if (mt->is_unsigned) {
dasm_put(Dst, 300);
} else {
dasm_put(Dst, 304);
}
dasm_put(Dst, 308);
break;
case INT16_TYPE:
lua_pop(L, 1);
get_int(Dst, ct, ®, 0);
if (mt->is_unsigned) {
dasm_put(Dst, 320);
} else {
dasm_put(Dst, 324);
}
dasm_put(Dst, 308);
break;
case ENUM_TYPE:
case INT32_TYPE:
lua_pop(L, 1);
get_int(Dst, ct, ®, 0);
if (mt->is_unsigned) {
dasm_put(Dst, 328);
} else {
dasm_put(Dst, 308);
}
break;
default:
luaL_error(L, "NYI: callback arg type");
}
}
}
lua_rawgeti(L, ct_usr, 0);
mt = (const struct ctype*) lua_touserdata(L, -1);
dasm_put(Dst, 340, (mt->pointers || mt->is_reference || mt->type != VOID_TYPE) ? 1 : 0, nargs);
// Unpack the return argument if not "void", also clean-up the lua stack
// to remove the return argument and bind table. Use lua_settop rather
// than lua_pop as lua_pop is implemented as a macro.
if (mt->pointers || mt->is_reference) {
lua_getuservalue(L, -1);
lua_rawseti(L, -3, ++num_upvals); /* usr value */
lua_rawseti(L, -2, ++num_upvals); /* mt */
dasm_put(Dst, 366, num_upvals-1, mt);
} else {
switch (mt->type) {
case ENUM_TYPE:
lua_getuservalue(L, -1);
lua_rawseti(L, -3, ++num_upvals); /* usr value */
lua_rawseti(L, -2, ++num_upvals); /* mt */
dasm_put(Dst, 454, num_upvals-1, mt);
break;
case VOID_TYPE:
lua_pop(L, 1);
dasm_put(Dst, 542);
break;
case BOOL_TYPE:
case INT8_TYPE:
case INT16_TYPE:
case INT32_TYPE:
lua_pop(L, 1);
if (mt->is_unsigned) {
dasm_put(Dst, 562);
} else {
dasm_put(Dst, 582);
}
dasm_put(Dst, 602);
break;
case INT64_TYPE:
lua_pop(L, 1);
if (mt->is_unsigned) {
dasm_put(Dst, 630);
} else {
dasm_put(Dst, 650);
}
dasm_put(Dst, 670);
break;
case INTPTR_TYPE:
lua_pop(L, 1);
dasm_put(Dst, 706);
break;
case FLOAT_TYPE:
case DOUBLE_TYPE:
lua_pop(L, 1);
dasm_put(Dst, 753);
if (mt->type == FLOAT_TYPE) {
} else {
}
dasm_put(Dst, 773);
break;
case COMPLEX_FLOAT_TYPE:
lua_pop(L, 1);
#if !defined HAVE_COMPLEX
luaL_error(L, "ffi lib compiled without complex number support");
#endif
/* on 64 bit complex floats are two floats packed into a double,
* on 32 bit returned complex floats use eax and edx */
dasm_put(Dst, 801);
break;
case COMPLEX_DOUBLE_TYPE:
lua_pop(L, 1);
#if !defined HAVE_COMPLEX
luaL_error(L, "ffi lib compiled without complex number support");
#endif
/* on 64 bit, returned complex doubles use xmm0, xmm1, on 32 bit
* there is a hidden first parameter that points to 16 bytes where
* the returned arg is stored which is popped by the called
* function */
#if defined _WIN64 || defined __amd64__
dasm_put(Dst, 856);
#else
dasm_put(Dst, 921, hidden_arg_off);
#endif
break;
default:
luaL_error(L, "NYI: callback return type");
}
}
dasm_put(Dst, 971, x86_return_size(L, ct_usr, ct));
lua_pop(L, 1); /* upval table - already in registry */
assert(lua_gettop(L) == top);
ct2.is_jitted = 1;
pf = (cfunction*) push_cdata(L, ct_usr, &ct2);
*pf = compile(Dst, L, NULL, ref);
assert(lua_gettop(L) == top + 1);
return *pf;
}
void compile_function(lua_State* L, cfunction func, int ct_usr, const struct ctype* ct)
{
size_t i, nargs;
int num_upvals;
const struct ctype* mbr_ct;
struct jit* Dst = get_jit(L);
struct reg_alloc reg;
void* p;
int top = lua_gettop(L);
int* perr = &Dst->last_errno;
ct_usr = lua_absindex(L, ct_usr);
memset(®, 0, sizeof(reg));
reg.off = 32 + REGISTER_STACK_SPACE(ct);
dasm_setup(Dst, build_actionlist);
p = push_cdata(L, ct_usr, ct);
*(cfunction*) p = func;
num_upvals = 1;
nargs = lua_rawlen(L, ct_usr);
if (ct->calling_convention != C_CALL && ct->has_var_arg) {
luaL_error(L, "vararg is only allowed with the c calling convention");
}
dasm_put(Dst, 982, 8, nargs);
if (!ct->has_var_arg) {
dasm_put(Dst, 1008, (ptrdiff_t)("too few arguments"), (ptrdiff_t)("too many arguments"));
} else {
dasm_put(Dst, 1051, (ptrdiff_t)("too few arguments"));
}
dasm_put(Dst, 1072);
/* no need to zero extend eax returned by lua_gettop to rax as x86-64
* preguarentees that the upper 32 bits will be zero */
dasm_put(Dst, 1075, 32 + REGISTER_STACK_SPACE(ct));
#if !defined _WIN64 && !defined __amd64__
/* Returned complex doubles require a hidden first parameter where the
* data is stored, which is popped by the calling code. */
lua_rawgeti(L, ct_usr, 0);
mbr_ct = (const struct ctype*) lua_touserdata(L, -1);
if (!mbr_ct->pointers && !mbr_ct->is_reference && mbr_ct->type == COMPLEX_DOUBLE_TYPE) {
/* we can allocate more space for arguments as long as no add_*
* function has been called yet, mbr_ct will be added as an upvalue in
* the return processing later */
dasm_put(Dst, 1085, mbr_ct);
add_pointer(Dst, ct, ®);
}
lua_pop(L, 1);
#endif
for (i = 1; i <= nargs; i++) {
lua_rawgeti(L, ct_usr, (int) i);
mbr_ct = (const struct ctype*) lua_touserdata(L, -1);
if (mbr_ct->pointers || mbr_ct->is_reference) {
lua_getuservalue(L, -1);
num_upvals += 2;
dasm_put(Dst, 1110, mbr_ct, lua_upvalueindex(num_upvals), i);
add_pointer(Dst, ct, ®);
} else {
switch (mbr_ct->type) {
case FUNCTION_PTR_TYPE:
lua_getuservalue(L, -1);
num_upvals += 2;
dasm_put(Dst, 1133, mbr_ct, lua_upvalueindex(num_upvals), i);
add_pointer(Dst, ct, ®);
break;
case ENUM_TYPE:
lua_getuservalue(L, -1);
num_upvals += 2;
dasm_put(Dst, 1156, mbr_ct, lua_upvalueindex(num_upvals), i);
add_int(Dst, ct, ®, 0);
break;
case INT8_TYPE:
dasm_put(Dst, 1179, i);
if (mbr_ct->is_unsigned) {
dasm_put(Dst, 1192);
} else {
dasm_put(Dst, 1196);
}
add_int(Dst, ct, ®, 0);
lua_pop(L, 1);
break;
case INT16_TYPE:
dasm_put(Dst, 1179, i);
if (mbr_ct->is_unsigned) {
dasm_put(Dst, 1200);
} else {
dasm_put(Dst, 1204);
}
add_int(Dst, ct, ®, 0);
lua_pop(L, 1);
break;
case BOOL_TYPE:
dasm_put(Dst, 1208, i);
add_int(Dst, ct, ®, 0);
lua_pop(L, 1);
break;
case INT32_TYPE:
if (mbr_ct->is_unsigned) {
dasm_put(Dst, 1231, i);
} else {
dasm_put(Dst, 1179, i);
}
add_int(Dst, ct, ®, 0);
lua_pop(L, 1);
break;
case INTPTR_TYPE:
dasm_put(Dst, 1244, i);
add_pointer(Dst, ct, ®);
lua_pop(L, 1);
break;
case INT64_TYPE:
if (mbr_ct->is_unsigned) {
dasm_put(Dst, 1257, i);
} else {
dasm_put(Dst, 1270, i);
}
add_int(Dst, ct, ®, 1);
lua_pop(L, 1);
break;
case DOUBLE_TYPE:
dasm_put(Dst, 1283, i);
add_float(Dst, ct, ®, 1);
lua_pop(L, 1);
break;
case COMPLEX_DOUBLE_TYPE:
/* on 64 bit, returned complex doubles use xmm0, xmm1, on 32 bit
* there is a hidden first parameter that points to 16 bytes where
* the returned arg is stored (this is popped by the called
* function) */
#if defined _WIN64 || defined __amd64__
dasm_put(Dst, 1296, i);
add_float(Dst, ct, ®, 1);
dasm_put(Dst, 1309);
add_float(Dst, ct, ®, 1);
#else
dasm_put(Dst, 1315, reg.off, i);
reg.off += 16;
#endif
lua_pop(L, 1);
break;
case FLOAT_TYPE:
dasm_put(Dst, 1283, i);
add_float(Dst, ct, ®, 0);
lua_pop(L, 1);
break;
case COMPLEX_FLOAT_TYPE:
#if defined _WIN64 || defined __amd64__
dasm_put(Dst, 1341, i);
/* complex floats are two floats packed into a double */
add_float(Dst, ct, ®, 1);
#else
/* returned complex floats use eax and edx */
dasm_put(Dst, 1354, i);
add_float(Dst, ct, ®, 0);
dasm_put(Dst, 1373);
add_float(Dst, ct, ®, 0);
#endif
lua_pop(L, 1);
break;
default:
luaL_error(L, "NYI: call arg type");
}
}
}
if (ct->has_var_arg) {
#ifdef _WIN64
if (reg.regs < MAX_REGISTERS(ct)) {
assert(reg.regs == nargs);
} else {
}
for (i = nargs; i < MAX_REGISTERS(ct); i++) {
reg.is_int[i] = reg.is_float[i] = 1;
}
reg.regs = MAX_REGISTERS(ct);
#elif defined __amd64__
if (reg.floats < MAX_FLOAT_REGISTERS(ct)) {
}
if (reg.ints < MAX_INT_REGISTERS(ct)) {
}
reg.floats = MAX_FLOAT_REGISTERS(ct);
reg.ints = MAX_INT_REGISTERS(ct);
#else
dasm_put(Dst, 1380, reg.off, nargs+1);
#endif
}
dasm_put(Dst, 1406, perr);
/* remove the stack space to call local functions */
dasm_put(Dst, 1418);
#ifdef _WIN64
switch (reg.regs) {
case 4:
if (reg.is_float[3]) {
}