X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=code.c;h=caeab883b8ada2edb099e2113b9f4cc2ff02357a;hb=aa08a2da683ae6138e9207328cd41fbf680a7c1e;hp=a744f1cae2d0ca9a1aed4a0e8193d280b61e8dcb;hpb=3e7a8c0e78468a18933bccd3af9c338986556d7a;p=xonotic%2Fgmqcc.git diff --git a/code.c b/code.c index a744f1c..caeab88 100644 --- a/code.c +++ b/code.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 - * Dale Weiler + * 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 @@ -28,8 +28,7 @@ typedef struct { } prog_section; typedef struct { - uint16_t version; /* Program version (6) */ - uint16_t flags; /* see propsal.txt */ + uint32_t version; /* Program version (6) */ uint16_t crc16; /* What is this? */ uint16_t skip; /* see propsal.txt */ @@ -87,7 +86,7 @@ void code_init() { prog_section_function empty_function = {0,0,0,0,0,0,0,{0}}; prog_section_statement empty_statement = {0,{0},{0},{0}}; int i = 0; - + /* omit creation of null code */ if (opts_omit_nullcode) return; @@ -104,6 +103,33 @@ void code_init() { code_statements_add(empty_statement); } +uint32_t code_genstring(const char *str) +{ + uint32_t off = code_chars_elements; + while (*str) { + code_chars_add(*str); + ++str; + } + code_chars_add(0); + return off; +} + +uint32_t code_cachedstring(const char *str) +{ + size_t s = 0; + /* We could implement knuth-morris-pratt or something + * and also take substrings, but I'm uncomfortable with + * pointing to subparts of strings for the sake of clarity... + */ + while (s < code_chars_elements) { + if (!strcmp(str, code_chars_data + s)) + return s; + while (code_chars_data[s]) ++s; + ++s; + } + return code_genstring(str); +} + void code_test() { prog_section_def d1 = { TYPE_VOID, 28, 1 }; prog_section_def d2 = { TYPE_FUNCTION, 29, 8 }; @@ -117,7 +143,7 @@ void code_test() { prog_section_statement s1 = { INSTR_STORE_F, {30}, {OFS_PARM0}, {0}}; prog_section_statement s2 = { INSTR_CALL1, {29}, {0}, {0}}; prog_section_statement s3 = { INSTR_RETURN, {0}, {0}, {0}}; - + code_chars_put("m_init", 0x6); code_chars_put("print", 0x5); code_chars_put("hello world\n", 0xC); @@ -145,45 +171,28 @@ void code_test() { code_statements_add(s3); } -void code_write() { - prog_header code_header = {0}; - prog_section statements; - prog_section defs; - prog_section fields; - prog_section functions; - prog_section globals; - prog_section strings; - FILE *fp = NULL; - size_t it = 1; +bool code_write(const char *filename) { + prog_header code_header; + FILE *fp = NULL; + size_t it = 2; /* see proposal.txt */ - if (opts_omit_nullcode) { - code_header.skip = 28; - code_header.flags = 1; - } - - statements.offset = sizeof(prog_header); - statements.length = code_statements_elements; - defs.offset = code_header.statements.offset + sizeof(prog_section_statement) * code_statements_elements; - defs.length = code_defs_elements; - fields.offset = code_header.defs.offset + sizeof(prog_section_def) * code_defs_elements; - fields.length = code_fields_elements; - functions.offset = code_header.fields.offset + sizeof(prog_section_field) * code_fields_elements; - functions.length = code_functions_elements; - globals.offset = code_header.functions.offset + sizeof(prog_section_function) * code_functions_elements; - globals.length = code_globals_elements; - strings.offset = code_header.globals.offset + sizeof(int) * code_globals_elements; - strings.length = code_chars_elements; - - code_header.version = 6; - code_header.crc16 = 0; /* TODO: */ - code_header.statements = statements; - code_header.defs = defs; - code_header.fields = fields; - code_header.functions = functions; - code_header.globals = globals; - code_header.strings = strings; - code_header.entfield = 0; /* TODO: */ + if (opts_omit_nullcode) {} + code_header.statements.offset = sizeof(prog_header); + code_header.statements.length = code_statements_elements; + code_header.defs.offset = code_header.statements.offset + (sizeof(prog_section_statement) * code_statements_elements); + code_header.defs.length = code_defs_elements; + code_header.fields.offset = code_header.defs.offset + (sizeof(prog_section_def) * code_defs_elements); + code_header.fields.length = code_fields_elements; + code_header.functions.offset = code_header.fields.offset + (sizeof(prog_section_field) * code_fields_elements); + code_header.functions.length = code_functions_elements; + code_header.globals.offset = code_header.functions.offset + (sizeof(prog_section_function) * code_functions_elements); + code_header.globals.length = code_globals_elements; + code_header.strings.offset = code_header.globals.offset + (sizeof(int32_t) * code_globals_elements); + code_header.strings.length = code_chars_elements; + code_header.version = 6; + code_header.crc16 = 0; /* TODO: */ + code_header.entfield = 0; /* TODO: */ if (opts_darkplaces_stringtablebug) { util_debug("GEN", "Patching stringtable for -fdarkplaces-stringtablebug\n"); @@ -195,21 +204,28 @@ void code_write() { } /* ensure all data is in LE format */ - util_endianswap(&code_header, 1, sizeof(prog_header)); - util_endianswap (code_statements_data, code_statements_elements, sizeof(prog_section_statement)); - util_endianswap (code_defs_data, code_defs_elements, sizeof(prog_section_def)); - util_endianswap (code_fields_data, code_fields_elements, sizeof(prog_section_field)); - util_endianswap (code_functions_data, code_functions_elements, sizeof(prog_section_function)); - util_endianswap (code_globals_data, code_globals_elements, sizeof(int)); + util_endianswap(&code_header, 1, sizeof(prog_header)); + util_endianswap(code_statements_data, code_statements_elements, sizeof(prog_section_statement)); + util_endianswap(code_defs_data, code_defs_elements, sizeof(prog_section_def)); + util_endianswap(code_fields_data, code_fields_elements, sizeof(prog_section_field)); + util_endianswap(code_functions_data, code_functions_elements, sizeof(prog_section_function)); + util_endianswap(code_globals_data, code_globals_elements, sizeof(int32_t)); - fp = fopen("program.dat", "wb"); - fwrite(&code_header, 1, sizeof(prog_header), fp); - fwrite (code_statements_data, 1, sizeof(prog_section_statement)*code_statements_elements, fp); - fwrite (code_defs_data, 1, sizeof(prog_section_def) *code_defs_elements, fp); - fwrite (code_fields_data, 1, sizeof(prog_section_field) *code_fields_elements, fp); - fwrite (code_functions_data, 1, sizeof(prog_section_function) *code_functions_elements, fp); - fwrite (code_globals_data, 1, sizeof(int) *code_globals_elements, fp); - fwrite (code_chars_data, 1, 1 *code_chars_elements, fp); + fp = fopen(filename, "wb"); + if (!fp) + return false; + + if (1 != fwrite(&code_header, sizeof(prog_header), 1, fp) || + code_statements_elements != fwrite(code_statements_data, sizeof(prog_section_statement), code_statements_elements, fp) || + code_defs_elements != fwrite(code_defs_data, sizeof(prog_section_def) , code_defs_elements , fp) || + code_fields_elements != fwrite(code_fields_data, sizeof(prog_section_field) , code_fields_elements , fp) || + code_functions_elements != fwrite(code_functions_data, sizeof(prog_section_function) , code_functions_elements , fp) || + code_globals_elements != fwrite(code_globals_data, sizeof(int32_t) , code_globals_elements , fp) || + code_chars_elements != fwrite(code_chars_data, 1 , code_chars_elements , fp)) + { + fclose(fp); + return false; + } util_debug("GEN","HEADER:\n"); util_debug("GEN"," version: = %d\n", code_header.version ); @@ -226,7 +242,7 @@ void code_write() { util_debug("GEN", "FUNCTIONS:\n"); for (; it < code_functions_elements; it++) { size_t j = code_functions_data[it].entry; - util_debug("GEN", " {.entry =% 5d, .firstlocal =% 5d, .locals =% 5d, .profile =% 5d, .name =% 5d, .file =% 5d, .nargs =% 5d, .argsize =%0X }\n", + 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_data[it].entry, code_functions_data[it].firstlocal, code_functions_data[it].locals, @@ -234,22 +250,32 @@ void code_write() { code_functions_data[it].name, code_functions_data[it].file, code_functions_data[it].nargs, - *((int32_t*)&code_functions_data[it].argsize) + code_functions_data[it].argsize[0], + code_functions_data[it].argsize[1], + code_functions_data[it].argsize[2], + code_functions_data[it].argsize[3], + code_functions_data[it].argsize[4], + code_functions_data[it].argsize[5], + code_functions_data[it].argsize[6], + code_functions_data[it].argsize[7] + ); util_debug("GEN", " NAME: %s\n", &code_chars_data[code_functions_data[it].name]); /* Internal functions have no code */ if (code_functions_data[it].entry >= 0) { util_debug("GEN", " CODE:\n"); for (;;) { - if (code_statements_data[j].opcode != INSTR_DONE && - code_statements_data[j].opcode != INSTR_RETURN) - util_debug("GEN", " %s {0x%05d,0x%05d,0x%05d}\n", + if (code_statements_data[j].opcode != AINSTR_END) + util_debug("GEN", " %s {0x%05x,0x%05x,0x%05x}\n", asm_instr[code_statements_data[j].opcode].m, code_statements_data[j].o1.s1, - code_statements_data[j].o2.s2, - code_statements_data[j].o3.s3 + code_statements_data[j].o2.s1, + code_statements_data[j].o3.s1 ); - else break; + else { + util_debug("GEN", " DONE {0x00000,0x00000,0x00000}\n"); + break; + } j++; } } @@ -262,4 +288,5 @@ void code_write() { mem_d(code_globals_data); mem_d(code_chars_data); fclose(fp); + return true; }