2 * Copyright (C) 2012, 2013
6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 /* This is outrageous! */
27 #define QCINT_ENTRY void*
28 #define QCINT_TO_HASH_ENTRY(q) ((void*)(uintptr_t)(q))
29 #define HASH_ENTRY_TO_QCINT(h) ((qcint)(uintptr_t)(h))
31 void code_push_statement(code_t *code, prog_section_statement *stmt, int linenum)
33 vec_push(code->statements, *stmt);
34 vec_push(code->linenums, linenum);
37 void code_pop_statement(code_t *code)
39 vec_pop(code->statements);
40 vec_pop(code->linenums);
44 static prog_section_function empty_function = {0,0,0,0,0,0,0,{0,0,0,0,0,0,0,0}};
45 static prog_section_statement empty_statement = {0,{0},{0},{0}};
46 static prog_section_def empty_def = {0, 0, 0};
48 code_t *code = (code_t*)mem_a(sizeof(code_t));
51 memset(code, 0, sizeof(code_t));
53 code->string_cache = util_htnew(OPTS_OPTIMIZATION(OPTIM_OVERLAP_STRINGS) ? 0x100 : 1024);
56 * The way progs.dat is suppose to work is odd, there needs to be
57 * some null (empty) statements, functions, and 28 globals
60 vec_push(code->globals, 0);
62 vec_push(code->chars, '\0');
63 vec_push(code->functions, empty_function);
65 code_push_statement(code, &empty_statement, 0);
67 vec_push(code->defs, empty_def);
68 vec_push(code->fields, empty_def);
73 void *code_util_str_htgeth(hash_table_t *ht, const char *key, size_t bin);
75 uint32_t code_genstring(code_t *code, const char *str)
85 if (!code->string_cached_empty) {
86 code->string_cached_empty = vec_size(code->chars);
87 vec_push(code->chars, 0);
89 return code->string_cached_empty;
92 if (OPTS_OPTIMIZATION(OPTIM_OVERLAP_STRINGS)) {
93 hash = ((unsigned char*)str)[strlen(str)-1];
94 existing = code_util_str_htgeth(code->string_cache, str, hash);
96 hash = util_hthash(code->string_cache, str);
97 existing = util_htgeth(code->string_cache, str, hash);
101 return HASH_ENTRY_TO_QCINT(existing);
103 off = vec_size(code->chars);
104 vec_upload(code->chars, str, strlen(str)+1);
106 util_htseth(code->string_cache, str, hash, QCINT_TO_HASH_ENTRY(off));
110 qcint code_alloc_field (code_t *code, size_t qcsize)
112 qcint pos = (qcint)code->entfields;
113 code->entfields += qcsize;
117 bool code_write(code_t *code, const char *filename, const char *lnofile) {
118 prog_header code_header;
122 code_header.statements.offset = sizeof(prog_header);
123 code_header.statements.length = vec_size(code->statements);
124 code_header.defs.offset = code_header.statements.offset + (sizeof(prog_section_statement) * vec_size(code->statements));
125 code_header.defs.length = vec_size(code->defs);
126 code_header.fields.offset = code_header.defs.offset + (sizeof(prog_section_def) * vec_size(code->defs));
127 code_header.fields.length = vec_size(code->fields);
128 code_header.functions.offset = code_header.fields.offset + (sizeof(prog_section_field) * vec_size(code->fields));
129 code_header.functions.length = vec_size(code->functions);
130 code_header.globals.offset = code_header.functions.offset + (sizeof(prog_section_function) * vec_size(code->functions));
131 code_header.globals.length = vec_size(code->globals);
132 code_header.strings.offset = code_header.globals.offset + (sizeof(int32_t) * vec_size(code->globals));
133 code_header.strings.length = vec_size(code->chars);
134 code_header.version = 6;
136 if (OPTS_OPTION_BOOL(OPTION_FORCECRC))
137 code_header.crc16 = OPTS_OPTION_U16(OPTION_FORCED_CRC);
139 code_header.crc16 = code->crc;
140 code_header.entfield = code->entfields;
142 if (OPTS_FLAG(DARKPLACES_STRING_TABLE_BUG)) {
143 util_debug("GEN", "Patching stringtable for -fdarkplaces-stringtablebug\n");
146 vec_push(code->chars, '\0'); /* > */
147 vec_push(code->chars, '\0'); /* = */
148 vec_push(code->chars, '\0'); /* P */
151 /* ensure all data is in LE format */
152 util_endianswap(&code_header.version, 1, sizeof(code_header.version));
153 util_endianswap(&code_header.crc16, 1, sizeof(code_header.crc16));
154 util_endianswap(&code_header.statements, 2, sizeof(code_header.statements.offset));
155 util_endianswap(&code_header.defs, 2, sizeof(code_header.statements.offset));
156 util_endianswap(&code_header.fields, 2, sizeof(code_header.statements.offset));
157 util_endianswap(&code_header.functions, 2, sizeof(code_header.statements.offset));
158 util_endianswap(&code_header.strings, 2, sizeof(code_header.statements.offset));
159 util_endianswap(&code_header.globals, 2, sizeof(code_header.statements.offset));
160 util_endianswap(&code_header.entfield, 1, sizeof(code_header.entfield));
161 util_endianswap(code->statements, vec_size(code->statements), sizeof(prog_section_statement));
162 util_endianswap(code->defs, vec_size(code->defs), sizeof(prog_section_def));
163 util_endianswap(code->fields, vec_size(code->fields), sizeof(prog_section_field));
164 util_endianswap(code->functions, vec_size(code->functions), sizeof(prog_section_function));
165 util_endianswap(code->globals, vec_size(code->globals), sizeof(int32_t));
168 uint32_t version = 1;
170 fp = fs_file_open(lnofile, "wb");
174 util_endianswap(&version, 1, sizeof(version));
175 util_endianswap(code->linenums, vec_size(code->linenums), sizeof(code->linenums[0]));
178 if (fs_file_write("LNOF", 4, 1, fp) != 1 ||
179 fs_file_write(&version, sizeof(version), 1, fp) != 1 ||
180 fs_file_write(&code_header.defs.length, sizeof(code_header.defs.length), 1, fp) != 1 ||
181 fs_file_write(&code_header.globals.length, sizeof(code_header.globals.length), 1, fp) != 1 ||
182 fs_file_write(&code_header.fields.length, sizeof(code_header.fields.length), 1, fp) != 1 ||
183 fs_file_write(&code_header.statements.length, sizeof(code_header.statements.length), 1, fp) != 1 ||
184 fs_file_write(code->linenums, sizeof(code->linenums[0]), vec_size(code->linenums), fp) != vec_size(code->linenums))
186 con_err("failed to write lno file\n");
193 fp = fs_file_open(filename, "wb");
197 if (1 != fs_file_write(&code_header, sizeof(prog_header) , 1 , fp) ||
198 vec_size(code->statements) != fs_file_write(code->statements, sizeof(prog_section_statement), vec_size(code->statements), fp) ||
199 vec_size(code->defs) != fs_file_write(code->defs, sizeof(prog_section_def) , vec_size(code->defs) , fp) ||
200 vec_size(code->fields) != fs_file_write(code->fields, sizeof(prog_section_field) , vec_size(code->fields) , fp) ||
201 vec_size(code->functions) != fs_file_write(code->functions, sizeof(prog_section_function) , vec_size(code->functions) , fp) ||
202 vec_size(code->globals) != fs_file_write(code->globals, sizeof(int32_t) , vec_size(code->globals) , fp) ||
203 vec_size(code->chars) != fs_file_write(code->chars, 1 , vec_size(code->chars) , fp))
209 util_debug("GEN","HEADER:\n");
210 util_debug("GEN"," version: = %d\n", code_header.version );
211 util_debug("GEN"," crc16: = %d\n", code_header.crc16 );
212 util_debug("GEN"," entfield: = %d\n", code_header.entfield);
213 util_debug("GEN"," statements = {.offset = % 8d, .length = % 8d}\n", code_header.statements.offset, code_header.statements.length);
214 util_debug("GEN"," defs = {.offset = % 8d, .length = % 8d}\n", code_header.defs .offset, code_header.defs .length);
215 util_debug("GEN"," fields = {.offset = % 8d, .length = % 8d}\n", code_header.fields .offset, code_header.fields .length);
216 util_debug("GEN"," functions = {.offset = % 8d, .length = % 8d}\n", code_header.functions .offset, code_header.functions .length);
217 util_debug("GEN"," globals = {.offset = % 8d, .length = % 8d}\n", code_header.globals .offset, code_header.globals .length);
218 util_debug("GEN"," strings = {.offset = % 8d, .length = % 8d}\n", code_header.strings .offset, code_header.strings .length);
221 util_debug("GEN", "FUNCTIONS:\n");
222 for (; it < vec_size(code->functions); it++) {
223 size_t j = code->functions[it].entry;
224 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",
225 code->functions[it].entry,
226 code->functions[it].firstlocal,
227 code->functions[it].locals,
228 code->functions[it].profile,
229 code->functions[it].name,
230 code->functions[it].file,
231 code->functions[it].nargs,
232 code->functions[it].argsize[0],
233 code->functions[it].argsize[1],
234 code->functions[it].argsize[2],
235 code->functions[it].argsize[3],
236 code->functions[it].argsize[4],
237 code->functions[it].argsize[5],
238 code->functions[it].argsize[6],
239 code->functions[it].argsize[7]
242 util_debug("GEN", " NAME: %s\n", &code->chars[code->functions[it].name]);
243 /* Internal functions have no code */
244 if (code->functions[it].entry >= 0) {
245 util_debug("GEN", " CODE:\n");
247 if (code->statements[j].opcode != INSTR_DONE)
248 util_debug("GEN", " %-12s {% 5i,% 5i,% 5i}\n",
249 asm_instr[code->statements[j].opcode].m,
250 code->statements[j].o1.s1,
251 code->statements[j].o2.s1,
252 code->statements[j].o3.s1
255 util_debug("GEN", " DONE {0x00000,0x00000,0x00000}\n");
263 vec_free(code->statements);
264 vec_free(code->linenums);
265 vec_free(code->defs);
266 vec_free(code->fields);
267 vec_free(code->functions);
268 vec_free(code->globals);
269 vec_free(code->chars);
271 util_htdel(code->string_cache);