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
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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 prog_section_statement *code_statements;
28 prog_section_def *code_defs;
29 prog_section_field *code_fields;
30 prog_section_function *code_functions;
35 uint32_t code_entfields;
37 void code_push_statement(prog_section_statement *stmt, int linenum)
39 vec_push(code_statements, *stmt);
40 vec_push(code_linenums, linenum);
44 prog_section_function empty_function = {0,0,0,0,0,0,0,{0}};
45 prog_section_statement empty_statement = {0,{0},{0},{0}};
46 prog_section_def empty_def = {0, 0, 0};
51 /* omit creation of null code */
52 if (OPTS_FLAG(OMIT_NULL_BYTES))
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);
64 code_push_statement(&empty_statement, 0);
65 vec_push(code_defs, empty_def);
66 vec_push(code_fields, empty_def);
69 uint32_t code_genstring(const char *str)
71 uint32_t off = vec_size(code_chars);
73 vec_push(code_chars, *str);
76 vec_push(code_chars, 0);
80 uint32_t code_cachedstring(const char *str)
83 /* We could implement knuth-morris-pratt or something
84 * and also take substrings, but I'm uncomfortable with
85 * pointing to subparts of strings for the sake of clarity...
87 while (s < vec_size(code_chars)) {
88 if (!strcmp(str, code_chars + s))
90 while (code_chars[s]) ++s;
93 return code_genstring(str);
97 prog_section_def d1 = { TYPE_VOID, 28, 1 };
98 prog_section_def d2 = { TYPE_FUNCTION, 29, 8 };
99 prog_section_def d3 = { TYPE_STRING, 30, 14};
100 prog_section_function f1 = { 1, 0, 0, 0, 1, 0,0, {0}};
101 prog_section_function f2 = {-4, 0, 0, 0, 8, 0,0, {0}};
102 prog_section_function f3 = { 0, 0, 0, 0, 14+13, 0,0, {0}};
103 prog_section_function f4 = { 0, 0, 0, 0, 14+13+10, 0,0, {0}};
104 prog_section_function f5 = { 0, 0, 0, 0, 14+13+10+7, 0,0, {0}};
105 prog_section_function f6 = { 0, 0, 0, 0, 14+13+10+7+9, 0,0, {0}};
106 prog_section_statement s1 = { INSTR_STORE_F, {30}, {OFS_PARM0}, {0}};
107 prog_section_statement s2 = { INSTR_CALL1, {29}, {0}, {0}};
108 prog_section_statement s3 = { INSTR_RETURN, {0}, {0}, {0}};
110 strcpy(vec_add(code_chars, 0x7), "m_init");
111 strcpy(vec_add(code_chars, 0x6), "print");
112 strcpy(vec_add(code_chars, 0xD), "hello world\n");
113 strcpy(vec_add(code_chars, 0xA), "m_keydown");
114 strcpy(vec_add(code_chars, 0x7), "m_draw");
115 strcpy(vec_add(code_chars, 0x9), "m_toggle");
116 strcpy(vec_add(code_chars, 0xB), "m_shutdown");
118 vec_push(code_globals, 1); /* m_init */
119 vec_push(code_globals, 2); /* print */
120 vec_push(code_globals, 14); /* hello world in string table */
123 vec_push(code_defs, d1); /* m_init */
124 vec_push(code_defs, d2); /* print */
125 vec_push(code_defs, d3); /*hello_world*/
126 vec_push(code_functions, f1); /* m_init */
127 vec_push(code_functions, f2); /* print */
128 vec_push(code_functions, f3); /* m_keydown */
129 vec_push(code_functions, f4);
130 vec_push(code_functions, f5);
131 vec_push(code_functions, f6);
132 vec_push(code_statements, s1);
133 vec_push(code_statements, s2);
134 vec_push(code_statements, s3);
137 qcint code_alloc_field (size_t qcsize)
139 qcint pos = (qcint)code_entfields;
140 code_entfields += qcsize;
144 bool code_write(const char *filename, const char *lnofile) {
145 prog_header code_header;
149 /* see proposal.txt */
150 if (OPTS_FLAG(OMIT_NULL_BYTES)) {}
151 code_header.statements.offset = sizeof(prog_header);
152 code_header.statements.length = vec_size(code_statements);
153 code_header.defs.offset = code_header.statements.offset + (sizeof(prog_section_statement) * vec_size(code_statements));
154 code_header.defs.length = vec_size(code_defs);
155 code_header.fields.offset = code_header.defs.offset + (sizeof(prog_section_def) * vec_size(code_defs));
156 code_header.fields.length = vec_size(code_fields);
157 code_header.functions.offset = code_header.fields.offset + (sizeof(prog_section_field) * vec_size(code_fields));
158 code_header.functions.length = vec_size(code_functions);
159 code_header.globals.offset = code_header.functions.offset + (sizeof(prog_section_function) * vec_size(code_functions));
160 code_header.globals.length = vec_size(code_globals);
161 code_header.strings.offset = code_header.globals.offset + (sizeof(int32_t) * vec_size(code_globals));
162 code_header.strings.length = vec_size(code_chars);
163 code_header.version = 6;
165 code_header.crc16 = opts_forced_crc;
167 code_header.crc16 = code_crc;
168 code_header.entfield = code_entfields;
170 if (OPTS_FLAG(DARKPLACES_STRING_TABLE_BUG)) {
171 util_debug("GEN", "Patching stringtable for -fdarkplaces-stringtablebug\n");
174 vec_push(code_chars, '\0'); /* > */
175 vec_push(code_chars, '\0'); /* = */
176 vec_push(code_chars, '\0'); /* P */
180 uint32_t lnotype = *(unsigned int*)"LNOF";
181 uint32_t version = 1;
183 fp = util_fopen(lnofile, "wb");
187 if (fwrite(&lnotype, sizeof(lnotype), 1, fp) != 1 ||
188 fwrite(&version, sizeof(version), 1, fp) != 1 ||
189 fwrite(&code_header.defs.length, sizeof(code_header.defs.length), 1, fp) != 1 ||
190 fwrite(&code_header.globals.length, sizeof(code_header.globals.length), 1, fp) != 1 ||
191 fwrite(&code_header.fields.length, sizeof(code_header.fields.length), 1, fp) != 1 ||
192 fwrite(&code_header.statements.length, sizeof(code_header.statements.length), 1, fp) != 1 ||
193 fwrite(code_linenums, sizeof(code_linenums[0]), vec_size(code_linenums), fp) != vec_size(code_linenums))
195 con_err("failed to write lno file\n");
198 h = SafeOpenWrite (destfile, 2*1024*1024);
199 SafeWrite (h, &lnotype, sizeof(int));
200 SafeWrite (h, &version, sizeof(int));
201 SafeWrite (h, &numglobaldefs, sizeof(int));
202 SafeWrite (h, &numpr_globals, sizeof(int));
203 SafeWrite (h, &numfielddefs, sizeof(int));
204 SafeWrite (h, &numstatements, sizeof(int));
205 SafeWrite (h, statement_linenums, numstatements*sizeof(int));
213 /* ensure all data is in LE format */
214 util_endianswap(&code_header, 1, sizeof(prog_header));
215 util_endianswap(code_statements, vec_size(code_statements), sizeof(prog_section_statement));
216 util_endianswap(code_defs, vec_size(code_defs), sizeof(prog_section_def));
217 util_endianswap(code_fields, vec_size(code_fields), sizeof(prog_section_field));
218 util_endianswap(code_functions, vec_size(code_functions), sizeof(prog_section_function));
219 util_endianswap(code_globals, vec_size(code_globals), sizeof(int32_t));
221 fp = util_fopen(filename, "wb");
225 if (1 != fwrite(&code_header, sizeof(prog_header) , 1 , fp) ||
226 vec_size(code_statements) != fwrite(code_statements, sizeof(prog_section_statement), vec_size(code_statements), fp) ||
227 vec_size(code_defs) != fwrite(code_defs, sizeof(prog_section_def) , vec_size(code_defs) , fp) ||
228 vec_size(code_fields) != fwrite(code_fields, sizeof(prog_section_field) , vec_size(code_fields) , fp) ||
229 vec_size(code_functions) != fwrite(code_functions, sizeof(prog_section_function) , vec_size(code_functions) , fp) ||
230 vec_size(code_globals) != fwrite(code_globals, sizeof(int32_t) , vec_size(code_globals) , fp) ||
231 vec_size(code_chars) != fwrite(code_chars, 1 , vec_size(code_chars) , fp))
237 util_debug("GEN","HEADER:\n");
238 util_debug("GEN"," version: = %d\n", code_header.version );
239 util_debug("GEN"," crc16: = %d\n", code_header.crc16 );
240 util_debug("GEN"," entfield: = %d\n", code_header.entfield);
241 util_debug("GEN"," statements = {.offset = % 8d, .length = % 8d}\n", code_header.statements.offset, code_header.statements.length);
242 util_debug("GEN"," defs = {.offset = % 8d, .length = % 8d}\n", code_header.defs .offset, code_header.defs .length);
243 util_debug("GEN"," fields = {.offset = % 8d, .length = % 8d}\n", code_header.fields .offset, code_header.fields .length);
244 util_debug("GEN"," functions = {.offset = % 8d, .length = % 8d}\n", code_header.functions .offset, code_header.functions .length);
245 util_debug("GEN"," globals = {.offset = % 8d, .length = % 8d}\n", code_header.globals .offset, code_header.globals .length);
246 util_debug("GEN"," strings = {.offset = % 8d, .length = % 8d}\n", code_header.strings .offset, code_header.strings .length);
249 util_debug("GEN", "FUNCTIONS:\n");
250 for (; it < vec_size(code_functions); it++) {
251 size_t j = code_functions[it].entry;
252 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",
253 code_functions[it].entry,
254 code_functions[it].firstlocal,
255 code_functions[it].locals,
256 code_functions[it].profile,
257 code_functions[it].name,
258 code_functions[it].file,
259 code_functions[it].nargs,
260 code_functions[it].argsize[0],
261 code_functions[it].argsize[1],
262 code_functions[it].argsize[2],
263 code_functions[it].argsize[3],
264 code_functions[it].argsize[4],
265 code_functions[it].argsize[5],
266 code_functions[it].argsize[6],
267 code_functions[it].argsize[7]
270 util_debug("GEN", " NAME: %s\n", &code_chars[code_functions[it].name]);
271 /* Internal functions have no code */
272 if (code_functions[it].entry >= 0) {
273 util_debug("GEN", " CODE:\n");
275 if (code_statements[j].opcode != AINSTR_END)
276 util_debug("GEN", " %-12s {% 5i,% 5i,% 5i}\n",
277 asm_instr[code_statements[j].opcode].m,
278 code_statements[j].o1.s1,
279 code_statements[j].o2.s1,
280 code_statements[j].o3.s1
283 util_debug("GEN", " DONE {0x00000,0x00000,0x00000}\n");
291 vec_free(code_statements);
293 vec_free(code_fields);
294 vec_free(code_functions);
295 vec_free(code_globals);
296 vec_free(code_chars);