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288 lines
9.1 KiB
288 lines
9.1 KiB
/******************************************************************************
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* Copyright (C) 2015-2020 Dibyendu Majumdar
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************************/
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#include "ravi_jit.h"
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#include "ravi_jitshared.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define LUA_CORE
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#include "lapi.h"
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#include "lauxlib.h"
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#include "lfunc.h"
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#include "lobject.h"
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#include "lopcodes.h"
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#include "lstate.h"
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#include "lua.h"
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#include <string.h>
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// Test if the given function is compiled
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static int ravi_is_compiled(lua_State *L) {
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int n = lua_gettop(L);
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luaL_argcheck(L, n == 1, 1, "1 argument expected");
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1,
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"argument must be a Lua function");
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void *p = (void *)lua_topointer(L, 1);
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LClosure *l = (LClosure *)(p);
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lua_pushboolean(L, l->p->ravi_jit.jit_status == RAVI_JIT_COMPILED);
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return 1;
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}
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// Utility to extract a integer field from a table
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static bool l_table_get_integer(lua_State *L, int tab, const char *key,
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lua_Integer *result,
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lua_Integer default_value) {
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bool rc = false;
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lua_pushstring(L, key);
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lua_gettable(L, tab); /* get table[key] */
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if (!lua_isnumber(L, -1))
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*result = default_value;
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else {
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*result = lua_tointeger(L, -1);
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rc = true;
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}
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lua_pop(L, 1); /* remove number */
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return rc;
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}
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static int ravi_compile_n(lua_State *L) {
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enum { MAX_COMPILES = 100 };
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Proto *functions[MAX_COMPILES];
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int n = 0;
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if (lua_istable(L, 1)) {
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lua_pushnil(L); // push first key
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while (lua_next(L, 1)) {
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if (n < MAX_COMPILES && lua_isfunction(L, -1) &&
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!lua_iscfunction(L, -1)) {
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void *p = (void *)lua_topointer(L, -1);
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LClosure *l = (LClosure *)(p);
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if (!l->p->ravi_jit.jit_function) functions[n++] = l->p;
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}
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lua_pop(L, 1); // pop value, but keep key
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}
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}
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else {
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1,
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"argument must be a Lua function");
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void *p = (void *)lua_topointer(L, 1);
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LClosure *l = (LClosure *)(p);
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functions[n++] = l->p;
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}
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ravi_compile_options_t options = {0, 0, 0, RAVI_CODEGEN_NONE};
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options.manual_request = 1;
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options.inline_lua_arithmetic_operators = 1;
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options.omit_array_get_range_check = 1;
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if (lua_istable(L, 2)) {
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lua_Integer ival;
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l_table_get_integer(L, 2, "omitArrayGetRangeCheck",
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&ival, 0);
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options.omit_array_get_range_check = (int)ival ? 1 : 0;
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l_table_get_integer(L, 2, "inlineLuaArithmeticOperators",
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&ival, 0);
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options.inline_lua_arithmetic_operators = (int)ival ? 1 : 0;
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}
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int result = 0;
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if (n > 0) { result = raviV_compile_n(L, functions, n, &options); }
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lua_pushboolean(L, result);
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return 1;
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}
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// Dump Lua bytecode of the supplied function
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static int ravi_dump_luacode(lua_State *L) {
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int n = lua_gettop(L);
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luaL_argcheck(L, n == 1, 1, "1 argument expected");
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1,
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"argument must be a Lua function");
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ravi_dump_function(L);
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return 0;
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}
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// Dump LLVM IR of the supplied function
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// if it has been compiled
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static int ravi_dump_ir(lua_State *L) {
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int n = lua_gettop(L);
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luaL_argcheck(L, n == 1, 1, "1 argument expected");
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1,
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"argument must be a Lua function");
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void *p = (void *)lua_topointer(L, 1);
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LClosure *l = (LClosure *)(p);
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raviV_dumpIR(L, l->p);
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return 0;
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}
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// Dump LLVM ASM of the supplied function
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// if it has been compiled
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static int ravi_dump_asm(lua_State *L) {
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int n = lua_gettop(L);
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luaL_argcheck(L, n == 1, 1, "1 argument expected");
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1,
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"argument must be a Lua function");
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void *p = (void *)lua_topointer(L, 1);
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LClosure *l = (LClosure *)(p);
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raviV_dumpASM(L, l->p);
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return 0;
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}
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// Turn on/off auto JIT compilation
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static int ravi_auto(lua_State *L) {
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int n = lua_gettop(L);
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lua_pushboolean(L, raviV_getauto(L));
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lua_pushinteger(L, raviV_getmincodesize(L));
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lua_pushinteger(L, raviV_getminexeccount(L));
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if (n >= 1) raviV_setauto(L, lua_toboolean(L, 1));
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int min_code_size = (n >= 2) ? (int)(lua_tointeger(L, 2)) : -1;
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int min_exec_count = (n == 3) ? (int)(lua_tointeger(L, 3)) : -1;
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if (min_code_size >= 1) raviV_setmincodesize(L, min_code_size);
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if (min_exec_count >= 1) raviV_setminexeccount(L, min_exec_count);
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return 3;
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}
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// Turn on/off the JIT compiler
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static int ravi_jitenable(lua_State *L) {
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int n = lua_gettop(L);
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int oldvalue = raviV_getjitenabled(L);
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if (n == 1) {
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int value = lua_toboolean(L, 1);
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raviV_setjitenabled(L, value);
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}
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lua_pushboolean(L, oldvalue != 0);
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return 1;
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}
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// Set JIT optimizaton level
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static int ravi_optlevel(lua_State *L) {
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int n = lua_gettop(L);
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int oldvalue = raviV_getoptlevel(L);
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if (n == 1) {
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int value = lua_tointeger(L, 1);
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raviV_setoptlevel(L, value);
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}
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lua_pushinteger(L, oldvalue);
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return 1;
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}
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// Set JIT code size level
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static int ravi_sizelevel(lua_State *L) {
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int n = lua_gettop(L);
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int oldvalue = raviV_getsizelevel(L);
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if (n == 1) {
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int value = lua_tointeger(L, 1);
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raviV_setsizelevel(L, value);
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}
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lua_pushinteger(L, oldvalue);
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return 1;
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}
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// Set validation when JIT compiling
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static int ravi_validation(lua_State *L) {
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int n = lua_gettop(L);
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int oldvalue = raviV_getvalidation(L);
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if (n == 1) {
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int value = lua_toboolean(L, 1);
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raviV_setvalidation(L, value);
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}
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lua_pushboolean(L, oldvalue);
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return 1;
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}
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// Turn on/off the trace hook
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static int ravi_traceenable(lua_State *L) {
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int n = lua_gettop(L);
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int oldvalue = raviV_gettraceenabled(L);
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if (n == 1) {
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int value = lua_toboolean(L, 1);
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raviV_settraceenabled(L, value);
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}
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lua_pushboolean(L, oldvalue != 0);
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return 1;
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}
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// Set verbosity
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static int ravi_verbosity(lua_State *L) {
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int n = lua_gettop(L);
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int oldvalue = raviV_getverbosity(L);
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if (n == 1) {
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int value = lua_tointeger(L, 1);
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raviV_setverbosity(L, value);
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}
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lua_pushinteger(L, oldvalue);
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return 1;
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}
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static int ravi_listcode(lua_State *L) {
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), 1,
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"Lua function expected");
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return ravi_list_code(L);
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}
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static int ravi_get_jit_id(lua_State *L) {
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const char *id = raviV_jit_id(L);
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lua_pushstring(L, id);
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return 1;
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}
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static int ravi_get_options(lua_State *L) {
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const char *options = raviV_options(L);
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lua_pushstring(L, options);
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return 1;
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}
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static const luaL_Reg ravilib[] = {{"iscompiled", ravi_is_compiled},
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{"compile", ravi_compile_n},
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{"dumplua", ravi_dump_luacode},
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{"dumpllvm", ravi_dump_ir},
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{"dumpir", ravi_dump_ir},
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{"dumpllvmasm", ravi_dump_asm},
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{"dumpasm", ravi_dump_asm},
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{"auto", ravi_auto},
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{"jit", ravi_jitenable},
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{"optlevel", ravi_optlevel},
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{"sizelevel", ravi_sizelevel},
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{"verbosity", ravi_verbosity},
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{"validation", ravi_validation},
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{"tracehook", ravi_traceenable},
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{"listcode", ravi_listcode},
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{"limits", ravi_get_limits},
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{"jitname", ravi_get_jit_id},
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{"options", ravi_get_options},
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{NULL, NULL}};
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#include <math.h>
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LUAMOD_API int raviopen_jit(lua_State *L) {
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luaL_newlib(L, ravilib);
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/* faster calls some maths functions */
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ravi_pushcfastcall(L, NULL, RAVI_TFCF_EXP);
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lua_setfield(L, -2, "exp");
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ravi_pushcfastcall(L, NULL, RAVI_TFCF_LOG);
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lua_setfield(L, -2, "ln");
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return 1;
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}
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#ifdef __cplusplus
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}
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#endif
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