/* * Copyright (C) 2012 * Dale Weiler * * 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" typedef struct { uint32_t offset; /* Offset in file of where data begins */ uint32_t length; /* Length of section (how many of) */ } prog_section; typedef struct { uint32_t version; /* Program version (6) */ uint32_t crc16; /* What is this? */ prog_section statements; /* prog_section_statement */ prog_section defs; /* prog_section_def */ prog_section fields; /* prog_section_field */ prog_section functions; /* prog_section_function */ prog_section strings; /* What is this? */ prog_section globals; /* What is this? */ uint32_t entfield; /* Number of entity fields */ } prog_header; /* * The macros below expand to a typesafe vector implementation, which * can be viewed in gmqcc.h * * code_statements_data -- raw prog_section_statement array * code_statements_elements -- number of elements * code_statements_allocated -- size of the array allocated * code_statements_add(T) -- add element (returns -1 on error) * * code_vars_data -- raw prog_section_var array * code_vars_elements -- number of elements * code_vars_allocated -- size of the array allocated * code_vars_add(T) -- add element (returns -1 on error) * * code_fields_data -- raw prog_section_field array * code_fields_elements -- number of elements * code_fields_allocated -- size of the array allocated * code_fields_add(T) -- add element (returns -1 on error) * * code_functions_data -- raw prog_section_function array * code_functions_elements -- number of elements * code_functions_allocated -- size of the array allocated * code_functions_add(T) -- add element (returns -1 on error) * * code_globals_data -- raw prog_section_def array * code_globals_elements -- number of elements * code_globals_allocated -- size of the array allocated * code_globals_add(T) -- add element (returns -1 on error) * * code_chars_data -- raw char* array * code_chars_elements -- number of elements * code_chars_allocated -- size of the array allocated * code_chars_add(T) -- add element (returns -1 on error) */ VECTOR_MAKE(prog_section_statement, code_statements); VECTOR_MAKE(prog_section_def, code_defs ); VECTOR_MAKE(prog_section_field, code_fields ); VECTOR_MAKE(prog_section_function, code_functions ); VECTOR_MAKE(int, code_globals ); VECTOR_MAKE(char, code_chars ); int code_strings_add(const char *src) { size_t size = strlen(src); size_t iter = 0; while (iter < size) code_chars_add(src[iter++]); code_chars_add('\0'); return code_chars_elements; } void code_init() { /* * The way progs.dat is suppose to work is odd, there needs to be * some null (empty) statements, functions, and 28 globals */ prog_section_function empty_function = {0,0,0,0,0,0,0,{0}}; prog_section_statement empty_statement = {0,{0},{0},{0}}; int i; for(i = 0; i < 28; i++) code_globals_add(0); code_chars_add ('\0'); code_functions_add (empty_function); code_statements_add(empty_statement); } void code_test() { code_strings_add("m_init"); code_strings_add("print"); code_strings_add("hello world\n"); code_strings_add("m_keydown"); code_strings_add("m_draw"); code_strings_add("m_toggle"); code_strings_add("m_shutdown"); code_globals_add(1); /* m_init */ code_globals_add(2); /* print */ code_globals_add(14); /* hello world in string table */ /* now the defs */ code_defs_add((prog_section_def){.type=TYPE_VOID, .offset=28/*globals[28]*/, .name=1 }); /* m_init */ code_defs_add((prog_section_def){.type=TYPE_FUNCTION,.offset=29/*globals[29]*/, .name=8 }); /* print */ code_defs_add((prog_section_def){.type=TYPE_STRING, .offset=30/*globals[30]*/, .name=14}); /*hello_world*/ code_functions_add((prog_section_function){1, 0, 0, 0, .name=1, 0, 0, {0}}); /* m_init */ code_functions_add((prog_section_function){-4, 0, 0, 0, .name=8, 0, 0, {0}}); /* print */ code_functions_add((prog_section_function){0, 0, 0, 0, .name=14+13, 0,0, {0}}); /* m_keydown */ code_functions_add((prog_section_function){0, 0, 0, 0, .name=14+13+10, 0,0, {0}}); code_functions_add((prog_section_function){0, 0, 0, 0, .name=14+13+10+7, 0,0, {0}}); code_functions_add((prog_section_function){0, 0, 0, 0, .name=14+13+10+7+9, 0,0, {0}}); code_statements_add((prog_section_statement){INSTR_STORE_F, {30}/*30 is hello_world */, {OFS_PARM0}, {0}}); code_statements_add((prog_section_statement){INSTR_CALL1, {29}/*29 is print */, {0}, {0}}); code_statements_add((prog_section_statement){INSTR_RETURN, {0}, {0}, {0}}); } void code_write() { prog_header code_header={0}; code_header.version = 6; code_header.crc16 = 0; /* TODO: */ code_header.statements = (prog_section){sizeof(prog_header), code_statements_elements }; code_header.defs = (prog_section){code_header.statements.offset + sizeof(prog_section_statement)*code_statements_elements, code_defs_elements }; code_header.fields = (prog_section){code_header.defs.offset + sizeof(prog_section_def) *code_defs_elements, code_fields_elements }; code_header.functions = (prog_section){code_header.fields.offset + sizeof(prog_section_field) *code_fields_elements, code_functions_elements }; code_header.globals = (prog_section){code_header.functions.offset + sizeof(prog_section_function) *code_functions_elements, code_globals_elements }; code_header.strings = (prog_section){code_header.globals.offset + sizeof(int) *code_globals_elements, code_chars_elements }; code_header.entfield = 0; /* TODO: */ /* ensure all data is in LE format */ util_endianswap(&code_header, sizeof(prog_header), 1); util_endianswap(code_statements_data, sizeof(prog_section_statement), code_statements_elements); util_endianswap(code_defs_data, sizeof(prog_section_def), code_defs_elements); util_endianswap(code_fields_data, sizeof(prog_section_field), code_fields_elements); util_endianswap(code_functions_data, sizeof(prog_section_function), code_functions_elements); util_endianswap(code_globals_data, sizeof(int), code_globals_elements); FILE *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); 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"); size_t i = 1; for (; i < code_functions_elements; i++) { size_t j = code_functions_data[i].entry; util_debug("GEN", " {.entry =% 5d, .firstlocal =% 5d, .locals =% 5d, .profile =% 5d, .name =% 5d, .file =% 5d, .nargs =% 5d, .argsize =%0X }\n", code_functions_data[i].entry, code_functions_data[i].firstlocal, code_functions_data[i].locals, code_functions_data[i].profile, code_functions_data[i].name, code_functions_data[i].file, code_functions_data[i].nargs, *((int32_t*)&code_functions_data[i].argsize) ); util_debug("GEN", " NAME: %s\n", &code_chars_data[code_functions_data[i].name]); 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", asm_instr[code_statements_data[j].opcode].m, code_statements_data[j].s1, code_statements_data[j].s2, code_statements_data[j].s3 ); else break; j++; } } mem_d(code_statements_data); mem_d(code_defs_data); mem_d(code_fields_data); mem_d(code_functions_data); mem_d(code_globals_data); mem_d(code_chars_data); fclose(fp); }