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 uint32_t offset; /* Offset in file of where data begins */
27 uint32_t length; /* Length of section (how many of) */
31 uint16_t version; /* Program version (6) */
32 uint16_t flags; /* see propsal.txt */
33 uint16_t crc16; /* What is this? */
34 uint16_t skip; /* see propsal.txt */
36 prog_section statements; /* prog_section_statement */
37 prog_section defs; /* prog_section_def */
38 prog_section fields; /* prog_section_field */
39 prog_section functions; /* prog_section_function */
40 prog_section strings; /* What is this? */
41 prog_section globals; /* What is this? */
42 uint32_t entfield; /* Number of entity fields */
46 * The macros below expand to a typesafe vector implementation, which
47 * can be viewed in gmqcc.h
49 * code_statements_data -- raw prog_section_statement array
50 * code_statements_elements -- number of elements
51 * code_statements_allocated -- size of the array allocated
52 * code_statements_add(T) -- add element (returns -1 on error)
54 * code_vars_data -- raw prog_section_var array
55 * code_vars_elements -- number of elements
56 * code_vars_allocated -- size of the array allocated
57 * code_vars_add(T) -- add element (returns -1 on error)
59 * code_fields_data -- raw prog_section_field array
60 * code_fields_elements -- number of elements
61 * code_fields_allocated -- size of the array allocated
62 * code_fields_add(T) -- add element (returns -1 on error)
64 * code_functions_data -- raw prog_section_function array
65 * code_functions_elements -- number of elements
66 * code_functions_allocated -- size of the array allocated
67 * code_functions_add(T) -- add element (returns -1 on error)
69 * code_globals_data -- raw prog_section_def array
70 * code_globals_elements -- number of elements
71 * code_globals_allocated -- size of the array allocated
72 * code_globals_add(T) -- add element (returns -1 on error)
74 * code_chars_data -- raw char* array
75 * code_chars_elements -- number of elements
76 * code_chars_allocated -- size of the array allocated
77 * code_chars_add(T) -- add element (returns -1 on error)
79 VECTOR_MAKE(prog_section_statement, code_statements);
80 VECTOR_MAKE(prog_section_def, code_defs );
81 VECTOR_MAKE(prog_section_field, code_fields );
82 VECTOR_MAKE(prog_section_function, code_functions );
83 VECTOR_MAKE(int, code_globals );
84 VECTOR_MAKE(char, code_chars );
87 prog_section_function empty_function = {0,0,0,0,0,0,0,{0}};
88 prog_section_statement empty_statement = {0,{0},{0},{0}};
91 /* omit creation of null code */
92 if (opts_omit_nullcode)
96 * The way progs.dat is suppose to work is odd, there needs to be
97 * some null (empty) statements, functions, and 28 globals
102 code_chars_add ('\0');
103 code_functions_add (empty_function);
104 code_statements_add(empty_statement);
108 prog_section_def d1 = { TYPE_VOID, 28, 1 };
109 prog_section_def d2 = { TYPE_FUNCTION, 29, 8 };
110 prog_section_def d3 = { TYPE_STRING, 30, 14};
111 prog_section_function f1 = { 1, 0, 0, 0, 1, 0,0, {0}};
112 prog_section_function f2 = {-4, 0, 0, 0, 8, 0,0, {0}};
113 prog_section_function f3 = { 0, 0, 0, 0, 14+13, 0,0, {0}};
114 prog_section_function f4 = { 0, 0, 0, 0, 14+13+10, 0,0, {0}};
115 prog_section_function f5 = { 0, 0, 0, 0, 14+13+10+7, 0,0, {0}};
116 prog_section_function f6 = { 0, 0, 0, 0, 14+13+10+7+9, 0,0, {0}};
117 prog_section_statement s1 = { INSTR_STORE_F, {30}, {OFS_PARM0}, {0}};
118 prog_section_statement s2 = { INSTR_CALL1, {29}, {0}, {0}};
119 prog_section_statement s3 = { INSTR_RETURN, {0}, {0}, {0}};
121 code_chars_put("m_init", 0x6);
122 code_chars_put("print", 0x5);
123 code_chars_put("hello world\n", 0xC);
124 code_chars_put("m_keydown", 0x9);
125 code_chars_put("m_draw", 0x6);
126 code_chars_put("m_toggle", 0x8);
127 code_chars_put("m_shutdown", 0xA);
129 code_globals_add(1); /* m_init */
130 code_globals_add(2); /* print */
131 code_globals_add(14); /* hello world in string table */
134 code_defs_add (d1); /* m_init */
135 code_defs_add (d2); /* print */
136 code_defs_add (d3); /*hello_world*/
137 code_functions_add (f1); /* m_init */
138 code_functions_add (f2); /* print */
139 code_functions_add (f3); /* m_keydown */
140 code_functions_add (f4);
141 code_functions_add (f5);
142 code_functions_add (f6);
143 code_statements_add(s1);
144 code_statements_add(s2);
145 code_statements_add(s3);
149 prog_header code_header = {0};
150 prog_section statements = {0};
151 prog_section defs = {0};
152 prog_section fields = {0};
153 prog_section functions = {0};
154 prog_section globals = {0};
155 prog_section strings = {0};
159 /* see proposal.txt */
160 if (opts_omit_nullcode) {
161 code_header.skip = 28;
162 code_header.flags = 1;
165 statements.offset = sizeof(prog_header);
166 statements.length = code_statements_elements;
167 defs.offset = code_header.statements.offset + sizeof(prog_section_statement) * code_statements_elements;
168 defs.length = code_defs_elements;
169 fields.offset = code_header.defs.offset + sizeof(prog_section_def) * code_defs_elements;
170 fields.length = code_fields_elements;
171 functions.offset = code_header.fields.offset + sizeof(prog_section_field) * code_fields_elements;
172 functions.length = code_functions_elements;
173 globals.offset = code_header.functions.offset + sizeof(prog_section_function) * code_functions_elements;
174 globals.length = code_globals_elements;
175 strings.offset = code_header.globals.offset + sizeof(int) * code_globals_elements;
176 strings.length = code_chars_elements;
178 code_header.version = 6;
179 code_header.crc16 = 0; /* TODO: */
180 code_header.statements = statements;
181 code_header.defs = defs;
182 code_header.fields = fields;
183 code_header.functions = functions;
184 code_header.globals = globals;
185 code_header.strings = strings;
186 code_header.entfield = 0; /* TODO: */
188 if (opts_darkplaces_stringtablebug) {
189 util_debug("GEN", "Patching stringtable for -fdarkplaces-stringtablebug\n");
192 code_chars_add('\0'); /* > */
193 code_chars_add('\0'); /* = */
194 code_chars_add('\0'); /* P */
197 /* ensure all data is in LE format */
198 util_endianswap(&code_header, 1, sizeof(prog_header));
199 util_endianswap (code_statements_data, code_statements_elements, sizeof(prog_section_statement));
200 util_endianswap (code_defs_data, code_defs_elements, sizeof(prog_section_def));
201 util_endianswap (code_fields_data, code_fields_elements, sizeof(prog_section_field));
202 util_endianswap (code_functions_data, code_functions_elements, sizeof(prog_section_function));
203 util_endianswap (code_globals_data, code_globals_elements, sizeof(int));
205 fp = fopen("program.dat", "wb");
206 fwrite(&code_header, 1, sizeof(prog_header), fp);
207 fwrite (code_statements_data, 1, sizeof(prog_section_statement)*code_statements_elements, fp);
208 fwrite (code_defs_data, 1, sizeof(prog_section_def) *code_defs_elements, fp);
209 fwrite (code_fields_data, 1, sizeof(prog_section_field) *code_fields_elements, fp);
210 fwrite (code_functions_data, 1, sizeof(prog_section_function) *code_functions_elements, fp);
211 fwrite (code_globals_data, 1, sizeof(int) *code_globals_elements, fp);
212 fwrite (code_chars_data, 1, 1 *code_chars_elements, fp);
214 util_debug("GEN","HEADER:\n");
215 util_debug("GEN"," version: = %d\n", code_header.version );
216 util_debug("GEN"," crc16: = %d\n", code_header.crc16 );
217 util_debug("GEN"," entfield: = %d\n", code_header.entfield);
218 util_debug("GEN"," statements = {.offset = % 8d, .length = % 8d}\n", code_header.statements.offset, code_header.statements.length);
219 util_debug("GEN"," defs = {.offset = % 8d, .length = % 8d}\n", code_header.defs .offset, code_header.defs .length);
220 util_debug("GEN"," fields = {.offset = % 8d, .length = % 8d}\n", code_header.fields .offset, code_header.fields .length);
221 util_debug("GEN"," functions = {.offset = % 8d, .length = % 8d}\n", code_header.functions .offset, code_header.functions .length);
222 util_debug("GEN"," globals = {.offset = % 8d, .length = % 8d}\n", code_header.globals .offset, code_header.globals .length);
223 util_debug("GEN"," strings = {.offset = % 8d, .length = % 8d}\n", code_header.strings .offset, code_header.strings .length);
226 util_debug("GEN", "FUNCTIONS:\n");
227 for (; it < code_functions_elements; it++) {
228 size_t j = code_functions_data[it].entry;
229 util_debug("GEN", " {.entry =% 5d, .firstlocal =% 5d, .locals =% 5d, .profile =% 5d, .name =% 5d, .file =% 5d, .nargs =% 5d, .argsize =%0X }\n",
230 code_functions_data[it].entry,
231 code_functions_data[it].firstlocal,
232 code_functions_data[it].locals,
233 code_functions_data[it].profile,
234 code_functions_data[it].name,
235 code_functions_data[it].file,
236 code_functions_data[it].nargs,
237 *((int32_t*)&code_functions_data[it].argsize)
239 util_debug("GEN", " NAME: %s\n", &code_chars_data[code_functions_data[it].name]);
240 /* Internal functions have no code */
241 if (code_functions_data[it].entry >= 0) {
242 util_debug("GEN", " CODE:\n");
244 if (code_statements_data[j].opcode != INSTR_DONE &&
245 code_statements_data[j].opcode != INSTR_RETURN)
246 util_debug("GEN", " %s {0x%05d,0x%05d,0x%05d}\n",
247 asm_instr[code_statements_data[j].opcode].m,
248 code_statements_data[j].o1.s1,
249 code_statements_data[j].o2.s2,
250 code_statements_data[j].o3.s3
258 mem_d(code_statements_data);
259 mem_d(code_defs_data);
260 mem_d(code_fields_data);
261 mem_d(code_functions_data);
262 mem_d(code_globals_data);
263 mem_d(code_chars_data);