3 * Dale Weiler, Wolfgang Bumiller
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * The macros below expand to a typesafe vector implementation, which
27 * can be viewed in gmqcc.h
29 * code_statements_data -- raw prog_section_statement array
30 * code_statements_elements -- number of elements
31 * code_statements_allocated -- size of the array allocated
32 * code_statements_add(T) -- add element (returns -1 on error)
34 * code_vars_data -- raw prog_section_var array
35 * code_vars_elements -- number of elements
36 * code_vars_allocated -- size of the array allocated
37 * code_vars_add(T) -- add element (returns -1 on error)
39 * code_fields_data -- raw prog_section_field array
40 * code_fields_elements -- number of elements
41 * code_fields_allocated -- size of the array allocated
42 * code_fields_add(T) -- add element (returns -1 on error)
44 * code_functions_data -- raw prog_section_function array
45 * code_functions_elements -- number of elements
46 * code_functions_allocated -- size of the array allocated
47 * code_functions_add(T) -- add element (returns -1 on error)
49 * code_globals_data -- raw prog_section_def array
50 * code_globals_elements -- number of elements
51 * code_globals_allocated -- size of the array allocated
52 * code_globals_add(T) -- add element (returns -1 on error)
54 * code_chars_data -- raw char* array
55 * code_chars_elements -- number of elements
56 * code_chars_allocated -- size of the array allocated
57 * code_chars_add(T) -- add element (returns -1 on error)
59 VECTOR_MAKE(prog_section_statement, code_statements);
60 VECTOR_MAKE(prog_section_def, code_defs );
61 VECTOR_MAKE(prog_section_field, code_fields );
62 VECTOR_MAKE(prog_section_function, code_functions );
63 VECTOR_MAKE(int, code_globals );
64 VECTOR_MAKE(char, code_chars );
66 uint32_t code_entfields;
69 prog_section_function empty_function = {0,0,0,0,0,0,0,{0}};
70 prog_section_statement empty_statement = {0,{0},{0},{0}};
73 /* omit creation of null code */
74 if (OPTS_FLAG(OMIT_NULL_BYTES))
78 * The way progs.dat is suppose to work is odd, there needs to be
79 * some null (empty) statements, functions, and 28 globals
84 code_chars_add ('\0');
85 code_functions_add (empty_function);
86 code_statements_add(empty_statement);
91 uint32_t code_genstring(const char *str)
93 uint32_t off = code_chars_elements;
102 uint32_t code_cachedstring(const char *str)
105 /* We could implement knuth-morris-pratt or something
106 * and also take substrings, but I'm uncomfortable with
107 * pointing to subparts of strings for the sake of clarity...
109 while (s < code_chars_elements) {
110 if (!strcmp(str, code_chars_data + s))
112 while (code_chars_data[s]) ++s;
115 return code_genstring(str);
119 prog_section_def d1 = { TYPE_VOID, 28, 1 };
120 prog_section_def d2 = { TYPE_FUNCTION, 29, 8 };
121 prog_section_def d3 = { TYPE_STRING, 30, 14};
122 prog_section_function f1 = { 1, 0, 0, 0, 1, 0,0, {0}};
123 prog_section_function f2 = {-4, 0, 0, 0, 8, 0,0, {0}};
124 prog_section_function f3 = { 0, 0, 0, 0, 14+13, 0,0, {0}};
125 prog_section_function f4 = { 0, 0, 0, 0, 14+13+10, 0,0, {0}};
126 prog_section_function f5 = { 0, 0, 0, 0, 14+13+10+7, 0,0, {0}};
127 prog_section_function f6 = { 0, 0, 0, 0, 14+13+10+7+9, 0,0, {0}};
128 prog_section_statement s1 = { INSTR_STORE_F, {30}, {OFS_PARM0}, {0}};
129 prog_section_statement s2 = { INSTR_CALL1, {29}, {0}, {0}};
130 prog_section_statement s3 = { INSTR_RETURN, {0}, {0}, {0}};
132 code_chars_put("m_init", 0x6);
133 code_chars_put("print", 0x5);
134 code_chars_put("hello world\n", 0xC);
135 code_chars_put("m_keydown", 0x9);
136 code_chars_put("m_draw", 0x6);
137 code_chars_put("m_toggle", 0x8);
138 code_chars_put("m_shutdown", 0xA);
140 code_globals_add(1); /* m_init */
141 code_globals_add(2); /* print */
142 code_globals_add(14); /* hello world in string table */
145 code_defs_add (d1); /* m_init */
146 code_defs_add (d2); /* print */
147 code_defs_add (d3); /*hello_world*/
148 code_functions_add (f1); /* m_init */
149 code_functions_add (f2); /* print */
150 code_functions_add (f3); /* m_keydown */
151 code_functions_add (f4);
152 code_functions_add (f5);
153 code_functions_add (f6);
154 code_statements_add(s1);
155 code_statements_add(s2);
156 code_statements_add(s3);
159 qcint code_alloc_field (size_t qcsize)
161 qcint pos = (qcint)code_entfields;
162 code_entfields += qcsize;
166 bool code_write(const char *filename) {
167 prog_header code_header;
171 /* see proposal.txt */
172 if (OPTS_FLAG(OMIT_NULL_BYTES)) {}
173 code_header.statements.offset = sizeof(prog_header);
174 code_header.statements.length = code_statements_elements;
175 code_header.defs.offset = code_header.statements.offset + (sizeof(prog_section_statement) * code_statements_elements);
176 code_header.defs.length = code_defs_elements;
177 code_header.fields.offset = code_header.defs.offset + (sizeof(prog_section_def) * code_defs_elements);
178 code_header.fields.length = code_fields_elements;
179 code_header.functions.offset = code_header.fields.offset + (sizeof(prog_section_field) * code_fields_elements);
180 code_header.functions.length = code_functions_elements;
181 code_header.globals.offset = code_header.functions.offset + (sizeof(prog_section_function) * code_functions_elements);
182 code_header.globals.length = code_globals_elements;
183 code_header.strings.offset = code_header.globals.offset + (sizeof(int32_t) * code_globals_elements);
184 code_header.strings.length = code_chars_elements;
185 code_header.version = 6;
187 code_header.crc16 = opts_forced_crc;
189 code_header.crc16 = 0; /* TODO: */
190 code_header.entfield = code_entfields;
192 if (OPTS_FLAG(DARKPLACES_STRING_TABLE_BUG)) {
193 util_debug("GEN", "Patching stringtable for -fdarkplaces-stringtablebug\n");
196 code_chars_add('\0'); /* > */
197 code_chars_add('\0'); /* = */
198 code_chars_add('\0'); /* P */
201 /* ensure all data is in LE format */
202 util_endianswap(&code_header, 1, sizeof(prog_header));
203 util_endianswap(code_statements_data, code_statements_elements, sizeof(prog_section_statement));
204 util_endianswap(code_defs_data, code_defs_elements, sizeof(prog_section_def));
205 util_endianswap(code_fields_data, code_fields_elements, sizeof(prog_section_field));
206 util_endianswap(code_functions_data, code_functions_elements, sizeof(prog_section_function));
207 util_endianswap(code_globals_data, code_globals_elements, sizeof(int32_t));
209 fp = util_fopen(filename, "wb");
213 if (1 != fwrite(&code_header, sizeof(prog_header), 1, fp) ||
214 code_statements_elements != fwrite(code_statements_data, sizeof(prog_section_statement), code_statements_elements, fp) ||
215 code_defs_elements != fwrite(code_defs_data, sizeof(prog_section_def) , code_defs_elements , fp) ||
216 code_fields_elements != fwrite(code_fields_data, sizeof(prog_section_field) , code_fields_elements , fp) ||
217 code_functions_elements != fwrite(code_functions_data, sizeof(prog_section_function) , code_functions_elements , fp) ||
218 code_globals_elements != fwrite(code_globals_data, sizeof(int32_t) , code_globals_elements , fp) ||
219 code_chars_elements != fwrite(code_chars_data, 1 , code_chars_elements , fp))
225 util_debug("GEN","HEADER:\n");
226 util_debug("GEN"," version: = %d\n", code_header.version );
227 util_debug("GEN"," crc16: = %d\n", code_header.crc16 );
228 util_debug("GEN"," entfield: = %d\n", code_header.entfield);
229 util_debug("GEN"," statements = {.offset = % 8d, .length = % 8d}\n", code_header.statements.offset, code_header.statements.length);
230 util_debug("GEN"," defs = {.offset = % 8d, .length = % 8d}\n", code_header.defs .offset, code_header.defs .length);
231 util_debug("GEN"," fields = {.offset = % 8d, .length = % 8d}\n", code_header.fields .offset, code_header.fields .length);
232 util_debug("GEN"," functions = {.offset = % 8d, .length = % 8d}\n", code_header.functions .offset, code_header.functions .length);
233 util_debug("GEN"," globals = {.offset = % 8d, .length = % 8d}\n", code_header.globals .offset, code_header.globals .length);
234 util_debug("GEN"," strings = {.offset = % 8d, .length = % 8d}\n", code_header.strings .offset, code_header.strings .length);
237 util_debug("GEN", "FUNCTIONS:\n");
238 for (; it < code_functions_elements; it++) {
239 size_t j = code_functions_data[it].entry;
240 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",
241 code_functions_data[it].entry,
242 code_functions_data[it].firstlocal,
243 code_functions_data[it].locals,
244 code_functions_data[it].profile,
245 code_functions_data[it].name,
246 code_functions_data[it].file,
247 code_functions_data[it].nargs,
248 code_functions_data[it].argsize[0],
249 code_functions_data[it].argsize[1],
250 code_functions_data[it].argsize[2],
251 code_functions_data[it].argsize[3],
252 code_functions_data[it].argsize[4],
253 code_functions_data[it].argsize[5],
254 code_functions_data[it].argsize[6],
255 code_functions_data[it].argsize[7]
258 util_debug("GEN", " NAME: %s\n", &code_chars_data[code_functions_data[it].name]);
259 /* Internal functions have no code */
260 if (code_functions_data[it].entry >= 0) {
261 util_debug("GEN", " CODE:\n");
263 if (code_statements_data[j].opcode != AINSTR_END)
264 util_debug("GEN", " %s {0x%05x,0x%05x,0x%05x}\n",
265 asm_instr[code_statements_data[j].opcode].m,
266 code_statements_data[j].o1.s1,
267 code_statements_data[j].o2.s1,
268 code_statements_data[j].o3.s1
271 util_debug("GEN", " DONE {0x00000,0x00000,0x00000}\n");
279 mem_d(code_statements_data);
280 mem_d(code_defs_data);
281 mem_d(code_fields_data);
282 mem_d(code_functions_data);
283 mem_d(code_globals_data);
284 mem_d(code_chars_data);