diff options
Diffstat (limited to 'plugins/MirLua/Modules/ffi/src/call_x86.h')
| -rw-r--r-- | plugins/MirLua/Modules/ffi/src/call_x86.h | 1179 |
1 files changed, 0 insertions, 1179 deletions
diff --git a/plugins/MirLua/Modules/ffi/src/call_x86.h b/plugins/MirLua/Modules/ffi/src/call_x86.h deleted file mode 100644 index 40bad83147..0000000000 --- a/plugins/MirLua/Modules/ffi/src/call_x86.h +++ /dev/null @@ -1,1179 +0,0 @@ -/*
-** 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[1800] = {
- 248,10,184,1,0,0,0,139,117,252,248,139,125,252,252,137,252,236,93,195,255,
- 248,11,232,251,1,0,185,237,137,1,184,0,0,0,0,139,117,252,248,139,125,252,
- 252,137,252,236,93,195,255,248,12,221,92,36,4,232,251,1,0,185,237,137,1,137,
- 60,36,232,251,1,1,252,233,244,10,255,248,13,15,182,192,137,68,36,32,232,251,
- 1,0,185,237,137,1,139,68,36,32,137,68,36,4,137,60,36,232,251,1,2,252,233,
- 244,10,255,248,14,137,68,36,32,232,251,1,0,185,237,137,1,139,68,36,32,137,
- 68,36,4,137,60,36,232,251,1,3,252,233,244,10,255,248,15,137,68,36,32,232,
- 251,1,0,185,237,137,1,139,68,36,32,137,68,36,4,137,60,36,232,251,1,4,252,
- 233,244,10,255,248,16,102,184,0,0,199,68,36,4,237,137,60,36,232,251,1,5,255,
- 248,17,102,184,0,0,199,68,36,4,237,137,60,36,232,251,1,5,255,248,18,137,77,
- 252,248,137,85,252,244,195,255,139,141,233,255,139,141,233,139,149,233,255,
- 137,132,253,36,233,255,137,132,253,36,233,137,148,253,36,233,255,221,133,
- 233,255,217,133,233,255,252,243,15,126,133,233,255,252,243,15,90,133,233,
- 255,221,156,253,36,233,255,217,156,253,36,233,255,102,15,214,132,253,36,233,
- 255,252,242,15,90,192,102,15,214,132,253,36,233,255,252,242,15,90,192,102,
- 15,126,132,253,36,233,255,85,137,229,87,129,252,236,239,255,232,244,18,255,
- 191,237,255,199,68,36,8,237,199,68,36,4,237,137,60,36,232,251,1,6,255,199,
- 68,36,8,237,199,68,36,4,252,255,252,255,252,255,252,255,137,60,36,232,251,
- 1,6,255,199,68,36,8,237,199,68,36,4,237,137,60,36,232,251,1,6,199,68,36,8,
- 237,199,68,36,4,252,255,252,255,252,255,252,255,137,60,36,232,251,1,7,255,
- 137,8,199,68,36,4,252,254,252,255,252,255,252,255,137,60,36,232,251,1,8,255,
- 199,68,36,8,237,199,68,36,4,0,0,0,0,137,60,36,232,251,1,7,255,137,8,137,80,
- 4,255,137,8,255,102,15,214,0,255,217,24,255,217,88,4,255,221,24,255,221,88,
- 8,255,221,92,36,4,137,60,36,232,251,1,1,255,15,182,201,137,76,36,4,137,60,
- 36,232,251,1,2,255,15,182,201,255,15,190,201,255,137,76,36,4,137,60,36,232,
- 251,1,3,255,15,183,201,255,15,191,201,255,137,76,36,4,137,60,36,232,251,1,
- 4,255,199,68,36,12,0,0,0,0,199,68,36,8,237,199,68,36,4,237,137,60,36,232,
- 251,1,9,255,199,68,36,8,237,199,68,36,4,252,254,252,255,252,255,252,255,137,
- 60,36,232,251,1,6,199,68,36,12,237,199,68,36,8,252,255,252,255,252,255,252,
- 255,199,68,36,4,252,254,252,255,252,255,252,255,137,60,36,232,251,1,10,137,
- 68,36,32,199,68,36,4,252,252,252,255,252,255,252,255,137,60,36,232,251,1,
- 11,139,68,36,32,255,199,68,36,8,237,199,68,36,4,252,254,252,255,252,255,252,
- 255,137,60,36,232,251,1,6,199,68,36,12,237,199,68,36,8,252,255,252,255,252,
- 255,252,255,199,68,36,4,252,254,252,255,252,255,252,255,137,60,36,232,251,
- 1,12,137,68,36,32,199,68,36,4,252,252,252,255,252,255,252,255,137,60,36,232,
- 251,1,11,139,68,36,32,255,199,68,36,4,252,254,252,255,252,255,252,255,137,
- 60,36,232,251,1,11,255,199,68,36,4,252,255,252,255,252,255,252,255,137,60,
- 36,232,251,1,13,255,199,68,36,4,252,255,252,255,252,255,252,255,137,60,36,
- 232,251,1,14,255,137,68,36,32,199,68,36,4,252,253,252,255,252,255,252,255,
- 137,60,36,232,251,1,11,139,68,36,32,255,199,68,36,4,252,255,252,255,252,255,
- 252,255,137,60,36,232,251,1,15,255,199,68,36,4,252,255,252,255,252,255,252,
- 255,137,60,36,232,251,1,16,255,137,68,36,32,137,84,36,36,199,68,36,4,252,
- 253,252,255,252,255,252,255,137,60,36,232,251,1,11,139,68,36,32,139,84,36,
- 36,255,199,68,36,4,252,255,252,255,252,255,252,255,137,60,36,232,251,1,17,
- 137,68,36,32,199,68,36,4,252,253,252,255,252,255,252,255,137,60,36,232,251,
- 1,11,139,68,36,32,255,199,68,36,4,252,255,252,255,252,255,252,255,137,60,
- 36,232,251,1,18,255,221,92,36,32,199,68,36,4,252,253,252,255,252,255,252,
- 255,137,60,36,232,251,1,11,221,68,36,32,255,199,68,36,4,252,255,252,255,252,
- 255,252,255,137,60,36,232,251,1,19,137,68,36,32,137,84,36,36,199,68,36,4,
- 252,253,252,255,252,255,252,255,137,60,36,232,251,1,11,139,68,36,32,139,84,
- 36,36,255,199,68,36,4,252,255,252,255,252,255,252,255,137,60,36,232,251,1,
- 20,102,15,214,68,36,32,102,15,214,76,36,40,199,68,36,4,252,253,252,255,252,
- 255,252,255,137,60,36,232,251,1,11,252,243,15,126,68,36,32,252,243,15,126,
- 76,36,40,255,139,141,233,199,68,36,8,252,255,252,255,252,255,252,255,137,
- 124,36,4,137,12,36,232,251,1,20,131,252,236,4,199,68,36,4,252,253,252,255,
- 252,255,252,255,137,60,36,232,251,1,11,255,139,125,252,252,137,252,236,93,
- 194,236,255,85,137,229,87,86,139,189,233,131,252,236,16,137,60,36,232,251,
- 1,21,137,198,129,252,248,239,15,140,244,16,255,15,143,244,17,255,193,224,
- 4,41,196,129,252,236,239,255,199,68,36,8,237,199,68,36,4,0,0,0,0,137,60,36,
- 232,251,1,7,131,252,236,16,255,199,68,36,12,237,199,68,36,8,237,199,68,36,
- 4,237,137,60,36,232,251,1,10,255,199,68,36,12,237,199,68,36,8,237,199,68,
- 36,4,237,137,60,36,232,251,1,22,255,199,68,36,12,237,199,68,36,8,237,199,
- 68,36,4,237,137,60,36,232,251,1,12,255,199,68,36,4,237,137,60,36,232,251,
- 1,14,255,15,182,192,255,15,190,192,255,15,183,192,255,15,191,192,255,199,
- 68,36,4,237,137,60,36,232,251,1,14,131,252,248,0,15,149,208,15,182,192,255,
- 199,68,36,4,237,137,60,36,232,251,1,13,255,199,68,36,4,237,137,60,36,232,
- 251,1,17,255,199,68,36,4,237,137,60,36,232,251,1,15,255,199,68,36,4,237,137,
- 60,36,232,251,1,16,255,199,68,36,4,237,137,60,36,232,251,1,18,255,199,68,
- 36,4,237,137,60,36,232,251,1,20,255,252,243,15,126,193,255,141,132,253,36,
- 233,131,252,236,4,199,68,36,8,237,137,124,36,4,137,4,36,232,251,1,20,255,
- 199,68,36,4,237,137,60,36,232,251,1,19,255,199,68,36,4,237,137,60,36,232,
- 251,1,19,137,4,36,217,4,36,255,137,20,36,217,4,36,255,137,224,129,192,239,
- 137,68,36,12,137,116,36,8,199,68,36,4,237,137,60,36,232,251,1,23,255,185,
- 237,139,1,137,4,36,232,251,1,24,255,131,196,32,255,139,148,253,36,233,255,
- 139,12,36,255,129,196,239,255,232,251,1,25,131,252,236,48,255,137,68,36,32,
- 232,251,1,0,185,237,137,1,199,68,36,8,237,199,68,36,4,237,137,60,36,232,251,
- 1,7,139,76,36,32,137,8,252,233,244,10,255,137,84,36,36,137,68,36,32,232,251,
- 1,0,185,237,137,1,199,68,36,8,237,199,68,36,4,0,0,0,0,137,60,36,232,251,1,
- 7,139,76,36,36,139,84,36,32,137,72,4,137,16,252,233,244,10,255,137,68,36,
- 32,137,84,36,36,232,251,1,0,185,237,137,1,199,68,36,8,237,199,68,36,4,237,
- 137,60,36,232,251,1,7,139,76,36,32,137,8,139,76,36,36,137,72,4,252,233,244,
- 10,255,131,252,236,4,232,251,1,0,185,237,137,1,252,233,244,10,255,252,233,
- 244,11,255,252,233,244,13,255,252,233,244,14,255,252,233,244,15,255,252,233,
- 244,12,255
-};
-
-static const char *const globnames[] = {
- "lua_return_arg",
- "lua_return_void",
- "lua_return_double",
- "lua_return_bool",
- "lua_return_int",
- "lua_return_uint",
- "too_few_arguments",
- "too_many_arguments",
- "save_registers",
- (const char *)0
-};
-static const char *const extnames[] = {
- "GetLastError",
- "lua_pushnumber",
- "lua_pushboolean",
- "push_int",
- "push_uint",
- "luaL_error",
- "lua_rawgeti",
- "push_cdata",
- "lua_remove",
- "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",
- "check_typed_cfunction",
- "unpack_varargs_stack",
- "SetLastError",
- "FUNCTION",
- (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
- */
-
-
-
-
- /* the general idea for the return functions is:
- * 1) Save return value on stack
- * 2) Call get_errno (this trashes the registers hence #1)
- * 3) Unpack return value from stack
- * 4) Call lua push function
- * 5) Set eax to number of returned args (0 or 1)
- * 6) Call return which pops our stack frame
- */
-
- dasm_put(Dst, 0);
-
- dasm_put(Dst, 21, perr);
-
- dasm_put(Dst, 50, perr);
-
- dasm_put(Dst, 76, perr);
-
- dasm_put(Dst, 113, perr);
-
- dasm_put(Dst, 147, perr);
-
- dasm_put(Dst, 181, (ptrdiff_t)("too few arguments"));
-
- dasm_put(Dst, 200, (ptrdiff_t)("too many arguments"));
-
- dasm_put(Dst, 219);
-
- 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, 231, 16 + 8*reg->regs);
- reg->regs++;
- }
-#elif __amd64__
- if (reg->ints < MAX_INT_REGISTERS(ct)) {
- dasm_put(Dst, 231, - 80 - 8*reg->ints);
- reg->ints++;
- }
-#else
- if (!is_int64 && reg->ints < MAX_INT_REGISTERS(ct)) {
- dasm_put(Dst, 231, - 8 - 4*reg->ints);
- reg->ints++;
- }
-#endif
- else if (is_int64) {
- dasm_put(Dst, 235, reg->off, reg->off + 4);
- reg->off += 8;
- } else {
- dasm_put(Dst, 231, reg->off);
- reg->off += 4;
- }
-}
-
-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, 242, 32 + 8*(reg->regs));
- reg->is_int[reg->regs++] = 1;
- }
-#elif __amd64__
- if (reg->ints < MAX_INT_REGISTERS(ct)) {
- dasm_put(Dst, 242, 32 + 8*reg->ints);
- reg->ints++;
- }
-#else
- if (!is_int64 && reg->ints < MAX_INT_REGISTERS(ct)) {
- dasm_put(Dst, 242, 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, 248, reg->off, reg->off + 4);
- reg->off += 8;
- } else {
- dasm_put(Dst, 242, 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, 259, reg->off);
- reg->off += 8;
- } else {
- dasm_put(Dst, 263, 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, 267, off);
- } else {
- dasm_put(Dst, 274, 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, 281, reg->off);
- reg->off += 8;
- } else {
- dasm_put(Dst, 287, reg->off);
- reg->off += 4;
- }
-#else
-
-#ifdef _WIN64
- if (reg->regs < MAX_REGISTERS(ct)) {
- if (is_double) {
- dasm_put(Dst, 293, 32 + 8*(reg->regs));
- } else {
- dasm_put(Dst, 301, 32 + 8*(reg->regs));
- }
- reg->is_float[reg->regs++] = 1;
- }
-#else
- if (reg->floats < MAX_FLOAT_REGISTERS(ct)) {
- if (is_double) {
- dasm_put(Dst, 293, 32 + 8*(MAX_INT_REGISTERS(ct) + reg->floats));
- } else {
- dasm_put(Dst, 301, 32 + 8*(MAX_INT_REGISTERS(ct) + reg->floats));
- }
- reg->floats++;
- }
-#endif
-
- else if (is_double) {
- dasm_put(Dst, 293, reg->off);
- reg->off += 8;
- } else {
- dasm_put(Dst, 314, 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, 327, 4 + 16 + 32 + REGISTER_STACK_SPACE(ct));
- if (ct->calling_convention == FAST_CALL) {
- dasm_put(Dst, 336);
- }
-
- // hardcode the lua_State* value into the assembly
- dasm_put(Dst, 340, L);
-
- /* get the upval table */
- dasm_put(Dst, 343, 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, 361, 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, 386, num_upvals-1, -i-1, mt);
- get_pointer(Dst, ct, ®);
- dasm_put(Dst, 428);
- } 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, 450, mt);
- get_int(Dst, ct, ®, 1);
- dasm_put(Dst, 471);
- break;
-
- case INTPTR_TYPE:
- lua_getuservalue(L, -1);
- lua_rawseti(L, -3, ++num_upvals); /* mt */
- lua_pop(L, 1);
- dasm_put(Dst, 450, mt);
- get_pointer(Dst, ct, ®);
- dasm_put(Dst, 477);
- 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, 450, mt);
- get_float(Dst, ct, ®, 1);
- dasm_put(Dst, 480);
-#else
- /* complex floats are real followed by imag on the stack */
- dasm_put(Dst, 450, mt);
- get_float(Dst, ct, ®, 0);
- dasm_put(Dst, 485);
- get_float(Dst, ct, ®, 0);
- dasm_put(Dst, 488);
-#endif
- break;
-
- case COMPLEX_DOUBLE_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 450, mt);
- /* real */
- get_float(Dst, ct, ®, 1);
- dasm_put(Dst, 492);
- /* imag */
- get_float(Dst, ct, ®, 1);
- dasm_put(Dst, 495);
- break;
-
- case FLOAT_TYPE:
- case DOUBLE_TYPE:
- lua_pop(L, 1);
- get_float(Dst, ct, ®, mt->type == DOUBLE_TYPE);
- dasm_put(Dst, 499);
- break;
-
- case BOOL_TYPE:
- lua_pop(L, 1);
- get_int(Dst, ct, ®, 0);
- dasm_put(Dst, 511);
- break;
-
- case INT8_TYPE:
- lua_pop(L, 1);
- get_int(Dst, ct, ®, 0);
- if (mt->is_unsigned) {
- dasm_put(Dst, 526);
- } else {
- dasm_put(Dst, 530);
- }
- dasm_put(Dst, 534);
- break;
-
- case INT16_TYPE:
- lua_pop(L, 1);
- get_int(Dst, ct, ®, 0);
- if (mt->is_unsigned) {
- dasm_put(Dst, 546);
- } else {
- dasm_put(Dst, 550);
- }
- dasm_put(Dst, 534);
- break;
-
- case ENUM_TYPE:
- case INT32_TYPE:
- lua_pop(L, 1);
- get_int(Dst, ct, ®, 0);
- if (mt->is_unsigned) {
- dasm_put(Dst, 554);
- } else {
- dasm_put(Dst, 534);
- }
- 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, 566, (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, 592, 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, 680, num_upvals-1, mt);
- break;
-
- case VOID_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 768);
- break;
-
- case BOOL_TYPE:
- case INT8_TYPE:
- case INT16_TYPE:
- case INT32_TYPE:
- lua_pop(L, 1);
- if (mt->is_unsigned) {
- dasm_put(Dst, 788);
- } else {
- dasm_put(Dst, 808);
- }
- dasm_put(Dst, 828);
- break;
-
- case INT64_TYPE:
- lua_pop(L, 1);
-
- if (mt->is_unsigned) {
- dasm_put(Dst, 856);
- } else {
- dasm_put(Dst, 876);
- }
-
- dasm_put(Dst, 896);
- break;
-
- case INTPTR_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 932);
- break;
-
- case FLOAT_TYPE:
- case DOUBLE_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 979);
- if (mt->type == FLOAT_TYPE) {
- } else {
- }
- dasm_put(Dst, 999);
- 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, 1027);
- 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, 1082);
-#else
- dasm_put(Dst, 1147, hidden_arg_off);
-#endif
- break;
-
- default:
- luaL_error(L, "NYI: callback return type");
- }
- }
-
- dasm_put(Dst, 1197, 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, 1208, 8, nargs);
-
- if (!ct->has_var_arg) {
- dasm_put(Dst, 1238);
- }
-
- /* 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, 1243, 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, 1253, 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, 1278, 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, 1301, 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, 1324, mbr_ct, lua_upvalueindex(num_upvals), i);
- add_int(Dst, ct, ®, 0);
- break;
-
- case INT8_TYPE:
- dasm_put(Dst, 1347, i);
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1360);
- } else {
- dasm_put(Dst, 1364);
- }
- add_int(Dst, ct, ®, 0);
- lua_pop(L, 1);
- break;
-
- case INT16_TYPE:
- dasm_put(Dst, 1347, i);
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1368);
- } else {
- dasm_put(Dst, 1372);
- }
- add_int(Dst, ct, ®, 0);
- lua_pop(L, 1);
- break;
-
- case BOOL_TYPE:
- dasm_put(Dst, 1376, i);
- add_int(Dst, ct, ®, 0);
- lua_pop(L, 1);
- break;
-
- case INT32_TYPE:
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1399, i);
- } else {
- dasm_put(Dst, 1347, i);
- }
- add_int(Dst, ct, ®, 0);
- lua_pop(L, 1);
- break;
-
- case INTPTR_TYPE:
- dasm_put(Dst, 1412, i);
- add_pointer(Dst, ct, ®);
- lua_pop(L, 1);
- break;
-
- case INT64_TYPE:
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1425, i);
- } else {
- dasm_put(Dst, 1438, i);
- }
- add_int(Dst, ct, ®, 1);
- lua_pop(L, 1);
- break;
-
- case DOUBLE_TYPE:
- dasm_put(Dst, 1451, 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, 1464, i);
- add_float(Dst, ct, ®, 1);
- dasm_put(Dst, 1477);
- add_float(Dst, ct, ®, 1);
-#else
- dasm_put(Dst, 1483, reg.off, i);
- reg.off += 16;
-#endif
- lua_pop(L, 1);
- break;
-
- case FLOAT_TYPE:
- dasm_put(Dst, 1451, i);
- add_float(Dst, ct, ®, 0);
- lua_pop(L, 1);
- break;
-
- case COMPLEX_FLOAT_TYPE:
-#if defined _WIN64 || defined __amd64__
- dasm_put(Dst, 1509, 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, 1522, i);
- add_float(Dst, ct, ®, 0);
- dasm_put(Dst, 1541);
- 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, 1548, reg.off, nargs+1);
-#endif
- }
-
- dasm_put(Dst, 1574, perr);
-
- /* remove the stack space to call local functions */
- dasm_put(Dst, 1586);
-
-#ifdef _WIN64
- switch (reg.regs) {
- case 4:
- if (reg.is_float[3]) {
- }
- if (reg.is_int[3]) {
- }
- case 3:
- if (reg.is_float[2]) {
- }
- if (reg.is_int[2]) {
- }
- case 2:
- if (reg.is_float[1]) {
- }
- if (reg.is_int[1]) {
- }
- case 1:
- if (reg.is_float[0]) {
- }
- if (reg.is_int[0]) {
- }
- case 0:
- break;
- }
-
- /* don't remove the space for the registers as we need 32 bytes of register overflow space */
- assert(REGISTER_STACK_SPACE(ct) == 32);
-
-#elif defined __amd64__
- switch (reg.floats) {
- case 8:
- case 7:
- case 6:
- case 5:
- case 4:
- case 3:
- case 2:
- case 1:
- case 0:
- break;
- }
-
- switch (reg.ints) {
- case 6:
- case 5:
- case 4:
- case 3:
- case 2:
- case 1:
- case 0:
- break;
- }
-
-#else
- if (ct->calling_convention == FAST_CALL) {
- switch (reg.ints) {
- case 2:
- dasm_put(Dst, 1590, 4);
- case 1:
- dasm_put(Dst, 1596);
- case 0:
- break;
- }
-
- dasm_put(Dst, 1600, REGISTER_STACK_SPACE(ct));
- }
-#endif
-
-#ifdef __amd64__
- if (ct->has_var_arg) {
- /* al stores an upper limit on the number of float register, note that
- * its allowed to be more than the actual number of float registers used as
- * long as its 0-8 */
- }
-#endif
-
- dasm_put(Dst, 1604);
-
- /* note on windows X86 the stack may be only aligned to 4 (stdcall will
- * have popped a multiple of 4 bytes), but we don't need 16 byte alignment on
- * that platform
- */
-
- 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 == INTPTR_TYPE) {
- lua_getuservalue(L, -1);
- num_upvals += 2;
- dasm_put(Dst, 1613, perr, mbr_ct, lua_upvalueindex(num_upvals));
-
- } else {
- switch (mbr_ct->type) {
- case FUNCTION_PTR_TYPE:
- lua_getuservalue(L, -1);
- num_upvals += 2;
- dasm_put(Dst, 1613, perr, mbr_ct, lua_upvalueindex(num_upvals));
- break;
-
- case INT64_TYPE:
- num_upvals++;
- dasm_put(Dst, 1653, perr, mbr_ct);
- break;
-
- case COMPLEX_FLOAT_TYPE:
- lua_getuservalue(L, -1);
- num_upvals += 2;
- dasm_put(Dst, 1707, perr, mbr_ct, lua_upvalueindex(num_upvals));
- break;
-
- case COMPLEX_DOUBLE_TYPE:
- lua_getuservalue(L, -1);
- num_upvals += 2;
- dasm_put(Dst, 1758, perr);
- break;
-
- case VOID_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 1775);
- break;
-
- case BOOL_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 1780);
- break;
-
- case INT8_TYPE:
- lua_pop(L, 1);
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1360);
- } else {
- dasm_put(Dst, 1364);
- }
- dasm_put(Dst, 1785);
- break;
-
- case INT16_TYPE:
- lua_pop(L, 1);
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1368);
- } else {
- dasm_put(Dst, 1372);
- }
- dasm_put(Dst, 1785);
- break;
-
- case INT32_TYPE:
- case ENUM_TYPE:
- lua_pop(L, 1);
- if (mbr_ct->is_unsigned) {
- dasm_put(Dst, 1790);
- } else {
- dasm_put(Dst, 1785);
- }
- break;
-
- case FLOAT_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 1795);
- break;
-
- case DOUBLE_TYPE:
- lua_pop(L, 1);
- dasm_put(Dst, 1795);
- break;
-
- default:
- luaL_error(L, "NYI: call return type");
- }
- }
-
- assert(lua_gettop(L) == top + num_upvals);
- {
- cfunction f = compile(Dst, L, func, LUA_NOREF);
- /* add a callback as an upval so that the jitted code gets cleaned up when
- * the function gets gc'd */
- push_callback(L, f, func);
- lua_pushcclosure(L, (lua_CFunction) f, num_upvals+1);
- }
-}
-
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