/* * Copyright (C) 2012, 2013 * Dale Weiler * Wolfgang Bumiller * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "gmqcc.h" prog_section_statement *code_statements; int *code_linenums; prog_section_def *code_defs; prog_section_field *code_fields; prog_section_function *code_functions; int *code_globals; char *code_chars; uint16_t code_crc; uint32_t code_entfields; /* This is outrageous! */ #define QCINT_ENTRY void* #define QCINT_TO_HASH_ENTRY(q) ((void*)(uintptr_t)(q)) #define HASH_ENTRY_TO_QCINT(h) ((qcint)(uintptr_t)(h)) static ht code_string_cache; static qcint code_string_cached_empty; void code_push_statement(prog_section_statement *stmt, int linenum) { vec_push(code_statements, *stmt); vec_push(code_linenums, linenum); } void code_pop_statement() { vec_pop(code_statements); vec_pop(code_linenums); } void code_init() { prog_section_function empty_function = {0,0,0,0,0,0,0,{0,0,0,0,0,0,0,0}}; prog_section_statement empty_statement = {0,{0},{0},{0}}; prog_section_def empty_def = {0, 0, 0}; int i = 0; code_entfields = 0; code_string_cache = util_htnew(OPTS_OPTIMIZATION(OPTIM_OVERLAP_STRINGS) ? 0x100 : 1024); /* * The way progs.dat is suppose to work is odd, there needs to be * some null (empty) statements, functions, and 28 globals */ for(; i < 28; i++) vec_push(code_globals, 0); vec_push(code_chars, '\0'); vec_push(code_functions, empty_function); code_push_statement(&empty_statement, 0); vec_push(code_defs, empty_def); vec_push(code_fields, empty_def); } void *code_util_str_htgeth(hash_table_t *ht, const char *key, size_t bin); uint32_t code_genstring(const char *str) { uint32_t off; size_t hash; QCINT_ENTRY existing; if (!str) return 0; if (!*str) { if (!code_string_cached_empty) { code_string_cached_empty = vec_size(code_chars); vec_push(code_chars, 0); } return code_string_cached_empty; } if (OPTS_OPTIMIZATION(OPTIM_OVERLAP_STRINGS)) { hash = ((unsigned char*)str)[strlen(str)-1]; existing = code_util_str_htgeth(code_string_cache, str, hash); } else { hash = util_hthash(code_string_cache, str); existing = util_htgeth(code_string_cache, str, hash); } if (existing) return HASH_ENTRY_TO_QCINT(existing); off = vec_size(code_chars); vec_upload(code_chars, str, strlen(str)+1); util_htseth(code_string_cache, str, hash, QCINT_TO_HASH_ENTRY(off)); return off; } qcint code_alloc_field (size_t qcsize) { qcint pos = (qcint)code_entfields; code_entfields += qcsize; return pos; } bool code_write(const char *filename, const char *lnofile) { prog_header code_header; FILE *fp = NULL; size_t it = 2; code_header.statements.offset = sizeof(prog_header); code_header.statements.length = vec_size(code_statements); code_header.defs.offset = code_header.statements.offset + (sizeof(prog_section_statement) * vec_size(code_statements)); code_header.defs.length = vec_size(code_defs); code_header.fields.offset = code_header.defs.offset + (sizeof(prog_section_def) * vec_size(code_defs)); code_header.fields.length = vec_size(code_fields); code_header.functions.offset = code_header.fields.offset + (sizeof(prog_section_field) * vec_size(code_fields)); code_header.functions.length = vec_size(code_functions); code_header.globals.offset = code_header.functions.offset + (sizeof(prog_section_function) * vec_size(code_functions)); code_header.globals.length = vec_size(code_globals); code_header.strings.offset = code_header.globals.offset + (sizeof(int32_t) * vec_size(code_globals)); code_header.strings.length = vec_size(code_chars); code_header.version = 6; if (OPTS_OPTION_BOOL(OPTION_FORCECRC)) code_header.crc16 = OPTS_OPTION_U16(OPTION_FORCED_CRC); else code_header.crc16 = code_crc; code_header.entfield = code_entfields; if (OPTS_FLAG(DARKPLACES_STRING_TABLE_BUG)) { util_debug("GEN", "Patching stringtable for -fdarkplaces-stringtablebug\n"); /* >= + P */ vec_push(code_chars, '\0'); /* > */ vec_push(code_chars, '\0'); /* = */ vec_push(code_chars, '\0'); /* P */ } /* ensure all data is in LE format */ util_endianswap(&code_header.version, 1, sizeof(code_header.version)); util_endianswap(&code_header.crc16, 1, sizeof(code_header.crc16)); util_endianswap(&code_header.statements, 2, sizeof(code_header.statements.offset)); util_endianswap(&code_header.defs, 2, sizeof(code_header.statements.offset)); util_endianswap(&code_header.fields, 2, sizeof(code_header.statements.offset)); util_endianswap(&code_header.functions, 2, sizeof(code_header.statements.offset)); util_endianswap(&code_header.strings, 2, sizeof(code_header.statements.offset)); util_endianswap(&code_header.globals, 2, sizeof(code_header.statements.offset)); util_endianswap(&code_header.entfield, 1, sizeof(code_header.entfield)); util_endianswap(code_statements, vec_size(code_statements), sizeof(prog_section_statement)); util_endianswap(code_defs, vec_size(code_defs), sizeof(prog_section_def)); util_endianswap(code_fields, vec_size(code_fields), sizeof(prog_section_field)); util_endianswap(code_functions, vec_size(code_functions), sizeof(prog_section_function)); util_endianswap(code_globals, vec_size(code_globals), sizeof(int32_t)); if (lnofile) { uint32_t version = 1; fp = file_open(lnofile, "wb"); if (!fp) return false; util_endianswap(&version, 1, sizeof(version)); util_endianswap(code_linenums, vec_size(code_linenums), sizeof(code_linenums[0])); if (file_write("LNOF", 4, 1, fp) != 1 || file_write(&version, sizeof(version), 1, fp) != 1 || file_write(&code_header.defs.length, sizeof(code_header.defs.length), 1, fp) != 1 || file_write(&code_header.globals.length, sizeof(code_header.globals.length), 1, fp) != 1 || file_write(&code_header.fields.length, sizeof(code_header.fields.length), 1, fp) != 1 || file_write(&code_header.statements.length, sizeof(code_header.statements.length), 1, fp) != 1 || file_write(code_linenums, sizeof(code_linenums[0]), vec_size(code_linenums), fp) != vec_size(code_linenums)) { con_err("failed to write lno file\n"); } file_close(fp); fp = NULL; } fp = file_open(filename, "wb"); if (!fp) return false; if (1 != file_write(&code_header, sizeof(prog_header) , 1 , fp) || vec_size(code_statements) != file_write(code_statements, sizeof(prog_section_statement), vec_size(code_statements), fp) || vec_size(code_defs) != file_write(code_defs, sizeof(prog_section_def) , vec_size(code_defs) , fp) || vec_size(code_fields) != file_write(code_fields, sizeof(prog_section_field) , vec_size(code_fields) , fp) || vec_size(code_functions) != file_write(code_functions, sizeof(prog_section_function) , vec_size(code_functions) , fp) || vec_size(code_globals) != file_write(code_globals, sizeof(int32_t) , vec_size(code_globals) , fp) || vec_size(code_chars) != file_write(code_chars, 1 , vec_size(code_chars) , fp)) { file_close(fp); return false; } util_debug("GEN","HEADER:\n"); util_debug("GEN"," version: = %d\n", code_header.version ); util_debug("GEN"," crc16: = %d\n", code_header.crc16 ); util_debug("GEN"," entfield: = %d\n", code_header.entfield); util_debug("GEN"," statements = {.offset = % 8d, .length = % 8d}\n", code_header.statements.offset, code_header.statements.length); util_debug("GEN"," defs = {.offset = % 8d, .length = % 8d}\n", code_header.defs .offset, code_header.defs .length); util_debug("GEN"," fields = {.offset = % 8d, .length = % 8d}\n", code_header.fields .offset, code_header.fields .length); util_debug("GEN"," functions = {.offset = % 8d, .length = % 8d}\n", code_header.functions .offset, code_header.functions .length); util_debug("GEN"," globals = {.offset = % 8d, .length = % 8d}\n", code_header.globals .offset, code_header.globals .length); util_debug("GEN"," strings = {.offset = % 8d, .length = % 8d}\n", code_header.strings .offset, code_header.strings .length); /* FUNCTIONS */ util_debug("GEN", "FUNCTIONS:\n"); for (; it < vec_size(code_functions); it++) { size_t j = code_functions[it].entry; util_debug("GEN", " {.entry =% 5d, .firstlocal =% 5d, .locals =% 5d, .profile =% 5d, .name =% 5d, .file =% 5d, .nargs =% 5d, .argsize ={%d,%d,%d,%d,%d,%d,%d,%d} }\n", code_functions[it].entry, code_functions[it].firstlocal, code_functions[it].locals, code_functions[it].profile, code_functions[it].name, code_functions[it].file, code_functions[it].nargs, code_functions[it].argsize[0], code_functions[it].argsize[1], code_functions[it].argsize[2], code_functions[it].argsize[3], code_functions[it].argsize[4], code_functions[it].argsize[5], code_functions[it].argsize[6], code_functions[it].argsize[7] ); util_debug("GEN", " NAME: %s\n", &code_chars[code_functions[it].name]); /* Internal functions have no code */ if (code_functions[it].entry >= 0) { util_debug("GEN", " CODE:\n"); for (;;) { if (code_statements[j].opcode != INSTR_DONE) util_debug("GEN", " %-12s {% 5i,% 5i,% 5i}\n", asm_instr[code_statements[j].opcode].m, code_statements[j].o1.s1, code_statements[j].o2.s1, code_statements[j].o3.s1 ); else { util_debug("GEN", " DONE {0x00000,0x00000,0x00000}\n"); break; } j++; } } } vec_free(code_statements); vec_free(code_linenums); vec_free(code_defs); vec_free(code_fields); vec_free(code_functions); vec_free(code_globals); vec_free(code_chars); util_htdel(code_string_cache); file_close(fp); return true; }