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Commit | Line | Data |
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54a7b573 | 1 | /* Output VMS debug format symbol table information from GCC. |
487c9b1a | 2 | Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
2e1eedd6 | 3 | 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
7a0c8d71 DR |
4 | Contributed by Douglas B. Rupp (rupp@gnat.com). |
5 | ||
54a7b573 | 6 | This file is part of GCC. |
7a0c8d71 | 7 | |
487c9b1a RK |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
7a0c8d71 | 12 | |
487c9b1a RK |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
7a0c8d71 DR |
17 | |
18 | You should have received a copy of the GNU General Public License | |
487c9b1a RK |
19 | along with GCC; see the file COPYING. If not, write to the Free |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
7a0c8d71 DR |
22 | |
23 | #include "config.h" | |
4977bab6 ZW |
24 | #include "system.h" |
25 | #include "coretypes.h" | |
26 | #include "tm.h" | |
7a0c8d71 DR |
27 | |
28 | #ifdef VMS_DEBUGGING_INFO | |
7a0c8d71 DR |
29 | #include "tree.h" |
30 | #include "flags.h" | |
31 | #include "rtl.h" | |
32 | #include "output.h" | |
33 | #include "vmsdbg.h" | |
34 | #include "debug.h" | |
35 | #include "langhooks.h" | |
dd86aabf | 36 | #include "function.h" |
4977bab6 | 37 | #include "target.h" |
7a0c8d71 DR |
38 | |
39 | /* Difference in seconds between the VMS Epoch and the Unix Epoch */ | |
40 | static const long long vms_epoch_offset = 3506716800ll; | |
41 | ||
42 | /* NOTE: In the comments in this file, many references are made to "Debug | |
43 | Symbol Table". This term is abbreviated as `DST' throughout the remainder | |
44 | of this file. */ | |
45 | ||
46 | typedef struct dst_line_info_struct *dst_line_info_ref; | |
47 | ||
48 | /* Each entry in the line_info_table maintains the file and | |
49 | line number associated with the label generated for that | |
50 | entry. The label gives the PC value associated with | |
51 | the line number entry. */ | |
52 | typedef struct dst_line_info_struct | |
53 | { | |
54 | unsigned long dst_file_num; | |
55 | unsigned long dst_line_num; | |
56 | } | |
57 | dst_line_info_entry; | |
58 | ||
59 | typedef struct dst_file_info_struct *dst_file_info_ref; | |
60 | ||
61 | typedef struct dst_file_info_struct | |
62 | { | |
63 | char *file_name; | |
64 | unsigned int max_line; | |
65 | unsigned int listing_line_start; | |
66 | long long cdt; | |
67 | long ebk; | |
68 | short ffb; | |
69 | char rfo; | |
70 | char flen; | |
71 | } | |
72 | dst_file_info_entry; | |
73 | ||
74 | /* How to start an assembler comment. */ | |
75 | #ifndef ASM_COMMENT_START | |
76 | #define ASM_COMMENT_START ";#" | |
77 | #endif | |
78 | ||
3ef42a0c | 79 | /* Maximum size (in bytes) of an artificially generated label. */ |
7a0c8d71 DR |
80 | #define MAX_ARTIFICIAL_LABEL_BYTES 30 |
81 | ||
82 | /* Make sure we know the sizes of the various types debug can describe. These | |
83 | are only defaults. If the sizes are different for your target, you should | |
84 | override these values by defining the appropriate symbols in your tm.h | |
85 | file. */ | |
7a0c8d71 DR |
86 | #ifndef PTR_SIZE |
87 | #define PTR_SIZE 4 /* Must be 32 bits for VMS debug info */ | |
88 | #endif | |
89 | ||
09da1532 | 90 | /* Pointer to a structure of filenames referenced by this compilation unit. */ |
7a0c8d71 DR |
91 | static dst_file_info_ref file_info_table; |
92 | ||
93 | /* Total number of entries in the table (i.e. array) pointed to by | |
94 | `file_info_table'. This is the *total* and includes both used and unused | |
95 | slots. */ | |
96 | static unsigned int file_info_table_allocated; | |
97 | ||
98 | /* Number of entries in the file_info_table which are actually in use. */ | |
99 | static unsigned int file_info_table_in_use; | |
100 | ||
101 | /* Size (in elements) of increments by which we may expand the filename | |
102 | table. */ | |
103 | #define FILE_TABLE_INCREMENT 64 | |
104 | ||
105 | static char **func_table; | |
106 | static unsigned int func_table_allocated; | |
107 | static unsigned int func_table_in_use; | |
108 | #define FUNC_TABLE_INCREMENT 256 | |
109 | ||
110 | /* Local pointer to the name of the main input file. Initialized in | |
111 | avmdbgout_init. */ | |
112 | static const char *primary_filename; | |
113 | ||
114 | static char *module_producer; | |
115 | static unsigned int module_language; | |
116 | ||
117 | /* A pointer to the base of a table that contains line information | |
118 | for each source code line in .text in the compilation unit. */ | |
119 | static dst_line_info_ref line_info_table; | |
120 | ||
121 | /* Number of elements currently allocated for line_info_table. */ | |
122 | static unsigned int line_info_table_allocated; | |
123 | ||
124 | /* Number of elements in line_info_table currently in use. */ | |
125 | static unsigned int line_info_table_in_use; | |
126 | ||
127 | /* Size (in elements) of increments by which we may expand line_info_table. */ | |
128 | #define LINE_INFO_TABLE_INCREMENT 1024 | |
129 | ||
7a0c8d71 | 130 | /* Forward declarations for functions defined in this file. */ |
2e1eedd6 AJ |
131 | static char *full_name (const char *); |
132 | static unsigned int lookup_filename (const char *); | |
133 | static void addr_const_to_string (char *, rtx); | |
134 | static int write_debug_header (DST_HEADER *, const char *, int); | |
135 | static int write_debug_addr (char *, const char *, int); | |
136 | static int write_debug_data1 (unsigned int, const char *, int); | |
137 | static int write_debug_data2 (unsigned int, const char *, int); | |
138 | static int write_debug_data4 (unsigned long, const char *, int); | |
139 | static int write_debug_data8 (unsigned long long, const char *, int); | |
140 | static int write_debug_delta4 (char *, char *, const char *, int); | |
141 | static int write_debug_string (char *, const char *, int); | |
142 | static int write_modbeg (int); | |
143 | static int write_modend (int); | |
144 | static int write_rtnbeg (int, int); | |
145 | static int write_rtnend (int, int); | |
146 | static int write_pclines (int); | |
147 | static int write_srccorr (int, dst_file_info_entry, int); | |
148 | static int write_srccorrs (int); | |
149 | ||
150 | static void vmsdbgout_init (const char *); | |
151 | static void vmsdbgout_finish (const char *); | |
152 | static void vmsdbgout_define (unsigned int, const char *); | |
153 | static void vmsdbgout_undef (unsigned int, const char *); | |
154 | static void vmsdbgout_start_source_file (unsigned int, const char *); | |
155 | static void vmsdbgout_end_source_file (unsigned int); | |
156 | static void vmsdbgout_begin_block (unsigned int, unsigned int); | |
157 | static void vmsdbgout_end_block (unsigned int, unsigned int); | |
158 | static bool vmsdbgout_ignore_block (tree); | |
159 | static void vmsdbgout_source_line (unsigned int, const char *); | |
160 | static void vmsdbgout_begin_prologue (unsigned int, const char *); | |
161 | static void vmsdbgout_end_prologue (unsigned int, const char *); | |
162 | static void vmsdbgout_end_function (unsigned int); | |
163 | static void vmsdbgout_end_epilogue (unsigned int, const char *); | |
164 | static void vmsdbgout_begin_function (tree); | |
165 | static void vmsdbgout_decl (tree); | |
166 | static void vmsdbgout_global_decl (tree); | |
167 | static void vmsdbgout_abstract_function (tree); | |
7a0c8d71 | 168 | |
7a0c8d71 DR |
169 | /* The debug hooks structure. */ |
170 | ||
54b6670a | 171 | const struct gcc_debug_hooks vmsdbg_debug_hooks |
7a0c8d71 DR |
172 | = {vmsdbgout_init, |
173 | vmsdbgout_finish, | |
174 | vmsdbgout_define, | |
175 | vmsdbgout_undef, | |
176 | vmsdbgout_start_source_file, | |
177 | vmsdbgout_end_source_file, | |
178 | vmsdbgout_begin_block, | |
179 | vmsdbgout_end_block, | |
180 | vmsdbgout_ignore_block, | |
181 | vmsdbgout_source_line, | |
182 | vmsdbgout_begin_prologue, | |
702ada3d DR |
183 | vmsdbgout_end_prologue, |
184 | vmsdbgout_end_epilogue, | |
185 | vmsdbgout_begin_function, | |
186 | vmsdbgout_end_function, | |
7a0c8d71 DR |
187 | vmsdbgout_decl, |
188 | vmsdbgout_global_decl, | |
189 | debug_nothing_tree, /* deferred_inline_function */ | |
190 | vmsdbgout_abstract_function, | |
33b49800 GK |
191 | debug_nothing_rtx, /* label */ |
192 | debug_nothing_int /* handle_pch */ | |
7a0c8d71 DR |
193 | }; |
194 | ||
195 | /* Definitions of defaults for assembler-dependent names of various | |
196 | pseudo-ops and section names. | |
197 | Theses may be overridden in the tm.h file (if necessary) for a particular | |
198 | assembler. */ | |
199 | #ifdef UNALIGNED_SHORT_ASM_OP | |
200 | #undef UNALIGNED_SHORT_ASM_OP | |
201 | #endif | |
202 | #define UNALIGNED_SHORT_ASM_OP ".word" | |
203 | ||
204 | #ifdef UNALIGNED_INT_ASM_OP | |
205 | #undef UNALIGNED_INT_ASM_OP | |
206 | #endif | |
207 | #define UNALIGNED_INT_ASM_OP ".long" | |
208 | ||
209 | #ifdef UNALIGNED_LONG_ASM_OP | |
210 | #undef UNALIGNED_LONG_ASM_OP | |
211 | #endif | |
212 | #define UNALIGNED_LONG_ASM_OP ".long" | |
213 | ||
214 | #ifdef UNALIGNED_DOUBLE_INT_ASM_OP | |
215 | #undef UNALIGNED_DOUBLE_INT_ASM_OP | |
216 | #endif | |
217 | #define UNALIGNED_DOUBLE_INT_ASM_OP ".quad" | |
218 | ||
219 | #ifdef ASM_BYTE_OP | |
220 | #undef ASM_BYTE_OP | |
221 | #endif | |
222 | #define ASM_BYTE_OP ".byte" | |
223 | ||
224 | #define NUMBYTES(I) ((I) < 256 ? 1 : (I) < 65536 ? 2 : 4) | |
225 | ||
226 | #define NUMBYTES0(I) ((I) < 128 ? 0 : (I) < 65536 ? 2 : 4) | |
227 | ||
228 | #ifndef UNALIGNED_PTR_ASM_OP | |
229 | #define UNALIGNED_PTR_ASM_OP \ | |
230 | (PTR_SIZE == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP : UNALIGNED_INT_ASM_OP) | |
231 | #endif | |
232 | ||
233 | #ifndef UNALIGNED_OFFSET_ASM_OP | |
234 | #define UNALIGNED_OFFSET_ASM_OP(OFFSET) \ | |
235 | (NUMBYTES(OFFSET) == 4 \ | |
236 | ? UNALIGNED_LONG_ASM_OP \ | |
237 | : (NUMBYTES(OFFSET) == 2 ? UNALIGNED_SHORT_ASM_OP : ASM_BYTE_OP)) | |
238 | #endif | |
239 | ||
7a0c8d71 DR |
240 | /* Definitions of defaults for formats and names of various special |
241 | (artificial) labels which may be generated within this file (when the -g | |
242 | options is used and VMS_DEBUGGING_INFO is in effect. If necessary, these | |
243 | may be overridden from within the tm.h file, but typically, overriding these | |
244 | defaults is unnecessary. */ | |
245 | ||
246 | static char text_end_label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
247 | ||
248 | #ifndef TEXT_END_LABEL | |
249 | #define TEXT_END_LABEL "Lvetext" | |
250 | #endif | |
251 | #ifndef FUNC_BEGIN_LABEL | |
252 | #define FUNC_BEGIN_LABEL "LVFB" | |
253 | #endif | |
254 | #ifndef FUNC_PROLOG_LABEL | |
255 | #define FUNC_PROLOG_LABEL "LVFP" | |
256 | #endif | |
257 | #ifndef FUNC_END_LABEL | |
258 | #define FUNC_END_LABEL "LVFE" | |
259 | #endif | |
260 | #ifndef BLOCK_BEGIN_LABEL | |
261 | #define BLOCK_BEGIN_LABEL "LVBB" | |
262 | #endif | |
263 | #ifndef BLOCK_END_LABEL | |
264 | #define BLOCK_END_LABEL "LVBE" | |
265 | #endif | |
266 | #ifndef LINE_CODE_LABEL | |
267 | #define LINE_CODE_LABEL "LVM" | |
268 | #endif | |
269 | ||
270 | #ifndef ASM_OUTPUT_DEBUG_DELTA2 | |
c203e7fe KH |
271 | #define ASM_OUTPUT_DEBUG_DELTA2(FILE,LABEL1,LABEL2) \ |
272 | do \ | |
273 | { \ | |
274 | fprintf ((FILE), "\t%s\t", UNALIGNED_SHORT_ASM_OP); \ | |
275 | assemble_name (FILE, LABEL1); \ | |
276 | fprintf (FILE, "-"); \ | |
277 | assemble_name (FILE, LABEL2); \ | |
278 | } \ | |
279 | while (0) | |
7a0c8d71 DR |
280 | #endif |
281 | ||
282 | #ifndef ASM_OUTPUT_DEBUG_DELTA4 | |
c203e7fe KH |
283 | #define ASM_OUTPUT_DEBUG_DELTA4(FILE,LABEL1,LABEL2) \ |
284 | do \ | |
285 | { \ | |
286 | fprintf ((FILE), "\t%s\t", UNALIGNED_INT_ASM_OP); \ | |
287 | assemble_name (FILE, LABEL1); \ | |
288 | fprintf (FILE, "-"); \ | |
289 | assemble_name (FILE, LABEL2); \ | |
290 | } \ | |
291 | while (0) | |
7a0c8d71 DR |
292 | #endif |
293 | ||
294 | #ifndef ASM_OUTPUT_DEBUG_ADDR_DELTA | |
c203e7fe KH |
295 | #define ASM_OUTPUT_DEBUG_ADDR_DELTA(FILE,LABEL1,LABEL2) \ |
296 | do \ | |
297 | { \ | |
298 | fprintf ((FILE), "\t%s\t", UNALIGNED_PTR_ASM_OP); \ | |
299 | assemble_name (FILE, LABEL1); \ | |
300 | fprintf (FILE, "-"); \ | |
301 | assemble_name (FILE, LABEL2); \ | |
302 | } \ | |
303 | while (0) | |
7a0c8d71 DR |
304 | #endif |
305 | ||
306 | #ifndef ASM_OUTPUT_DEBUG_ADDR | |
c203e7fe KH |
307 | #define ASM_OUTPUT_DEBUG_ADDR(FILE,LABEL) \ |
308 | do \ | |
309 | { \ | |
310 | fprintf ((FILE), "\t%s\t", UNALIGNED_PTR_ASM_OP); \ | |
311 | assemble_name (FILE, LABEL); \ | |
312 | } \ | |
313 | while (0) | |
7a0c8d71 DR |
314 | #endif |
315 | ||
316 | #ifndef ASM_OUTPUT_DEBUG_ADDR_CONST | |
317 | #define ASM_OUTPUT_DEBUG_ADDR_CONST(FILE,ADDR) \ | |
318 | fprintf ((FILE), "\t%s\t%s", UNALIGNED_PTR_ASM_OP, (ADDR)) | |
319 | #endif | |
320 | ||
321 | #ifndef ASM_OUTPUT_DEBUG_DATA1 | |
322 | #define ASM_OUTPUT_DEBUG_DATA1(FILE,VALUE) \ | |
323 | fprintf ((FILE), "\t%s\t0x%x", ASM_BYTE_OP, (unsigned char) VALUE) | |
324 | #endif | |
325 | ||
326 | #ifndef ASM_OUTPUT_DEBUG_DATA2 | |
327 | #define ASM_OUTPUT_DEBUG_DATA2(FILE,VALUE) \ | |
328 | fprintf ((FILE), "\t%s\t0x%x", UNALIGNED_SHORT_ASM_OP, \ | |
329 | (unsigned short) VALUE) | |
330 | #endif | |
331 | ||
332 | #ifndef ASM_OUTPUT_DEBUG_DATA4 | |
333 | #define ASM_OUTPUT_DEBUG_DATA4(FILE,VALUE) \ | |
334 | fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_INT_ASM_OP, (unsigned long) VALUE) | |
335 | #endif | |
336 | ||
337 | #ifndef ASM_OUTPUT_DEBUG_DATA | |
338 | #define ASM_OUTPUT_DEBUG_DATA(FILE,VALUE) \ | |
339 | fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_OFFSET_ASM_OP(VALUE), VALUE) | |
340 | #endif | |
341 | ||
342 | #ifndef ASM_OUTPUT_DEBUG_ADDR_DATA | |
343 | #define ASM_OUTPUT_DEBUG_ADDR_DATA(FILE,VALUE) \ | |
344 | fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_PTR_ASM_OP, \ | |
345 | (unsigned long) VALUE) | |
346 | #endif | |
347 | ||
348 | #ifndef ASM_OUTPUT_DEBUG_DATA8 | |
349 | #define ASM_OUTPUT_DEBUG_DATA8(FILE,VALUE) \ | |
350 | fprintf ((FILE), "\t%s\t0x%llx", UNALIGNED_DOUBLE_INT_ASM_OP, \ | |
351 | (unsigned long long) VALUE) | |
352 | #endif | |
353 | ||
354 | /* This is similar to the default ASM_OUTPUT_ASCII, except that no trailing | |
3d042e77 | 355 | newline is produced. When flag_verbose_asm is asserted, we add commentary |
7a0c8d71 DR |
356 | at the end of the line, so we must avoid output of a newline here. */ |
357 | #ifndef ASM_OUTPUT_DEBUG_STRING | |
c203e7fe KH |
358 | #define ASM_OUTPUT_DEBUG_STRING(FILE,P) \ |
359 | do \ | |
360 | { \ | |
361 | register int slen = strlen(P); \ | |
362 | register char *p = (P); \ | |
363 | register int i; \ | |
364 | fprintf (FILE, "\t.ascii \""); \ | |
365 | for (i = 0; i < slen; i++) \ | |
366 | { \ | |
367 | register int c = p[i]; \ | |
368 | if (c == '\"' || c == '\\') \ | |
369 | putc ('\\', FILE); \ | |
370 | if (c >= ' ' && c < 0177) \ | |
371 | putc (c, FILE); \ | |
372 | else \ | |
373 | fprintf (FILE, "\\%o", c); \ | |
374 | } \ | |
375 | fprintf (FILE, "\""); \ | |
376 | } \ | |
7a0c8d71 DR |
377 | while (0) |
378 | #endif | |
379 | ||
380 | /* Convert a reference to the assembler name of a C-level name. This | |
381 | macro has the same effect as ASM_OUTPUT_LABELREF, but copies to | |
382 | a string rather than writing to a file. */ | |
383 | #ifndef ASM_NAME_TO_STRING | |
2e1eedd6 | 384 | #define ASM_NAME_TO_STRING(STR, NAME) \ |
c203e7fe KH |
385 | do \ |
386 | { \ | |
387 | if ((NAME)[0] == '*') \ | |
388 | strcpy (STR, NAME+1); \ | |
389 | else \ | |
390 | strcpy (STR, NAME); \ | |
391 | } \ | |
7a0c8d71 DR |
392 | while (0) |
393 | #endif | |
394 | ||
395 | \f | |
396 | /* General utility functions. */ | |
397 | ||
398 | /* Convert an integer constant expression into assembler syntax. Addition and | |
399 | subtraction are the only arithmetic that may appear in these expressions. | |
400 | This is an adaptation of output_addr_const in final.c. Here, the target | |
401 | of the conversion is a string buffer. We can't use output_addr_const | |
402 | directly, because it writes to a file. */ | |
403 | ||
404 | static void | |
2e1eedd6 | 405 | addr_const_to_string (char *str, rtx x) |
7a0c8d71 DR |
406 | { |
407 | char buf1[256]; | |
408 | char buf2[256]; | |
409 | ||
410 | restart: | |
411 | str[0] = '\0'; | |
412 | switch (GET_CODE (x)) | |
413 | { | |
414 | case PC: | |
415 | if (flag_pic) | |
416 | strcat (str, ","); | |
417 | else | |
418 | abort (); | |
419 | break; | |
420 | ||
421 | case SYMBOL_REF: | |
422 | ASM_NAME_TO_STRING (buf1, XSTR (x, 0)); | |
423 | strcat (str, buf1); | |
424 | break; | |
425 | ||
426 | case LABEL_REF: | |
427 | ASM_GENERATE_INTERNAL_LABEL (buf1, "L", CODE_LABEL_NUMBER (XEXP (x, 0))); | |
428 | ASM_NAME_TO_STRING (buf2, buf1); | |
429 | strcat (str, buf2); | |
430 | break; | |
431 | ||
432 | case CODE_LABEL: | |
433 | ASM_GENERATE_INTERNAL_LABEL (buf1, "L", CODE_LABEL_NUMBER (x)); | |
434 | ASM_NAME_TO_STRING (buf2, buf1); | |
435 | strcat (str, buf2); | |
436 | break; | |
437 | ||
438 | case CONST_INT: | |
439 | sprintf (buf1, HOST_WIDE_INT_PRINT_DEC, INTVAL (x)); | |
440 | strcat (str, buf1); | |
441 | break; | |
442 | ||
443 | case CONST: | |
41077ce4 | 444 | /* This used to output parentheses around the expression, but that does |
7a0c8d71 DR |
445 | not work on the 386 (either ATT or BSD assembler). */ |
446 | addr_const_to_string (buf1, XEXP (x, 0)); | |
447 | strcat (str, buf1); | |
448 | break; | |
449 | ||
450 | case CONST_DOUBLE: | |
451 | if (GET_MODE (x) == VOIDmode) | |
452 | { | |
453 | /* We can use %d if the number is one word and positive. */ | |
454 | if (CONST_DOUBLE_HIGH (x)) | |
455 | sprintf (buf1, HOST_WIDE_INT_PRINT_DOUBLE_HEX, | |
456 | CONST_DOUBLE_HIGH (x), CONST_DOUBLE_LOW (x)); | |
457 | else if (CONST_DOUBLE_LOW (x) < 0) | |
458 | sprintf (buf1, HOST_WIDE_INT_PRINT_HEX, CONST_DOUBLE_LOW (x)); | |
459 | else | |
460 | sprintf (buf1, HOST_WIDE_INT_PRINT_DEC, | |
461 | CONST_DOUBLE_LOW (x)); | |
462 | strcat (str, buf1); | |
463 | } | |
464 | else | |
465 | /* We can't handle floating point constants; PRINT_OPERAND must | |
466 | handle them. */ | |
467 | output_operand_lossage ("floating constant misused"); | |
468 | break; | |
469 | ||
470 | case PLUS: | |
471 | /* Some assemblers need integer constants to appear last (eg masm). */ | |
472 | if (GET_CODE (XEXP (x, 0)) == CONST_INT) | |
473 | { | |
474 | addr_const_to_string (buf1, XEXP (x, 1)); | |
475 | strcat (str, buf1); | |
476 | if (INTVAL (XEXP (x, 0)) >= 0) | |
477 | strcat (str, "+"); | |
478 | addr_const_to_string (buf1, XEXP (x, 0)); | |
479 | strcat (str, buf1); | |
480 | } | |
481 | else | |
482 | { | |
483 | addr_const_to_string (buf1, XEXP (x, 0)); | |
484 | strcat (str, buf1); | |
485 | if (INTVAL (XEXP (x, 1)) >= 0) | |
486 | strcat (str, "+"); | |
487 | addr_const_to_string (buf1, XEXP (x, 1)); | |
488 | strcat (str, buf1); | |
489 | } | |
490 | break; | |
491 | ||
492 | case MINUS: | |
493 | /* Avoid outputting things like x-x or x+5-x, since some assemblers | |
494 | can't handle that. */ | |
495 | x = simplify_subtraction (x); | |
496 | if (GET_CODE (x) != MINUS) | |
497 | goto restart; | |
498 | ||
499 | addr_const_to_string (buf1, XEXP (x, 0)); | |
500 | strcat (str, buf1); | |
501 | strcat (str, "-"); | |
502 | if (GET_CODE (XEXP (x, 1)) == CONST_INT | |
503 | && INTVAL (XEXP (x, 1)) < 0) | |
504 | { | |
505 | strcat (str, "("); | |
506 | addr_const_to_string (buf1, XEXP (x, 1)); | |
507 | strcat (str, buf1); | |
508 | strcat (str, ")"); | |
509 | } | |
510 | else | |
511 | { | |
512 | addr_const_to_string (buf1, XEXP (x, 1)); | |
513 | strcat (str, buf1); | |
514 | } | |
515 | break; | |
516 | ||
517 | case ZERO_EXTEND: | |
518 | case SIGN_EXTEND: | |
519 | addr_const_to_string (buf1, XEXP (x, 0)); | |
520 | strcat (str, buf1); | |
521 | break; | |
522 | ||
523 | default: | |
524 | output_operand_lossage ("invalid expression as operand"); | |
525 | } | |
526 | } | |
527 | ||
5f98259a RK |
528 | /* Output the debug header HEADER. Also output COMMENT if flag_verbose_asm is |
529 | set. Return the header size. Just return the size if DOSIZEONLY is | |
0e9e1e0a | 530 | nonzero. */ |
5f98259a | 531 | |
7a0c8d71 | 532 | static int |
2e1eedd6 | 533 | write_debug_header (DST_HEADER *header, const char *comment, int dosizeonly) |
7a0c8d71 | 534 | { |
5f98259a RK |
535 | if (!dosizeonly) |
536 | { | |
537 | ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, | |
538 | header->dst__header_length.dst_w_length); | |
539 | ||
540 | if (flag_verbose_asm) | |
541 | fprintf (asm_out_file, "\t%s record length", ASM_COMMENT_START); | |
542 | fputc ('\n', asm_out_file); | |
7a0c8d71 | 543 | |
5f98259a RK |
544 | ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, |
545 | header->dst__header_type.dst_w_type); | |
7a0c8d71 | 546 | |
5f98259a RK |
547 | if (flag_verbose_asm) |
548 | fprintf (asm_out_file, "\t%s record type (%s)", ASM_COMMENT_START, | |
549 | comment); | |
7a0c8d71 | 550 | |
5f98259a RK |
551 | fputc ('\n', asm_out_file); |
552 | } | |
7a0c8d71 DR |
553 | |
554 | return 4; | |
555 | } | |
556 | ||
5f98259a RK |
557 | /* Output the address of SYMBOL. Also output COMMENT if flag_verbose_asm is |
558 | set. Return the address size. Just return the size if DOSIZEONLY is | |
0e9e1e0a | 559 | nonzero. */ |
5f98259a | 560 | |
7a0c8d71 | 561 | static int |
2e1eedd6 | 562 | write_debug_addr (char *symbol, const char *comment, int dosizeonly) |
7a0c8d71 | 563 | { |
5f98259a RK |
564 | if (!dosizeonly) |
565 | { | |
566 | ASM_OUTPUT_DEBUG_ADDR (asm_out_file, symbol); | |
567 | if (flag_verbose_asm) | |
568 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
569 | fputc ('\n', asm_out_file); | |
570 | } | |
7a0c8d71 | 571 | |
7a0c8d71 DR |
572 | return PTR_SIZE; |
573 | } | |
574 | ||
5f98259a RK |
575 | /* Output the single byte DATA1. Also output COMMENT if flag_verbose_asm is |
576 | set. Return the data size. Just return the size if DOSIZEONLY is | |
0e9e1e0a | 577 | nonzero. */ |
5f98259a | 578 | |
7a0c8d71 | 579 | static int |
2e1eedd6 | 580 | write_debug_data1 (unsigned int data1, const char *comment, int dosizeonly) |
7a0c8d71 | 581 | { |
5f98259a RK |
582 | if (!dosizeonly) |
583 | { | |
584 | ASM_OUTPUT_DEBUG_DATA1 (asm_out_file, data1); | |
585 | if (flag_verbose_asm) | |
586 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
587 | fputc ('\n', asm_out_file); | |
588 | } | |
7a0c8d71 | 589 | |
7a0c8d71 DR |
590 | return 1; |
591 | } | |
592 | ||
5f98259a RK |
593 | /* Output the single word DATA2. Also output COMMENT if flag_verbose_asm is |
594 | set. Return the data size. Just return the size if DOSIZEONLY is | |
0e9e1e0a | 595 | nonzero. */ |
5f98259a | 596 | |
7a0c8d71 | 597 | static int |
2e1eedd6 | 598 | write_debug_data2 (unsigned int data2, const char *comment, int dosizeonly) |
7a0c8d71 | 599 | { |
5f98259a RK |
600 | if (!dosizeonly) |
601 | { | |
602 | ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, data2); | |
603 | if (flag_verbose_asm) | |
604 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
605 | fputc ('\n', asm_out_file); | |
606 | } | |
7a0c8d71 | 607 | |
7a0c8d71 DR |
608 | return 2; |
609 | } | |
610 | ||
5f98259a | 611 | /* Output double word DATA4. Also output COMMENT if flag_verbose_asm is set. |
0e9e1e0a | 612 | Return the data size. Just return the size if DOSIZEONLY is nonzero. */ |
5f98259a | 613 | |
7a0c8d71 | 614 | static int |
2e1eedd6 | 615 | write_debug_data4 (unsigned long data4, const char *comment, int dosizeonly) |
7a0c8d71 | 616 | { |
5f98259a RK |
617 | if (!dosizeonly) |
618 | { | |
619 | ASM_OUTPUT_DEBUG_DATA4 (asm_out_file, data4); | |
620 | if (flag_verbose_asm) | |
621 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
622 | fputc ('\n', asm_out_file); | |
623 | } | |
41077ce4 | 624 | |
7a0c8d71 DR |
625 | return 4; |
626 | } | |
627 | ||
5f98259a | 628 | /* Output quad word DATA8. Also output COMMENT if flag_verbose_asm is set. |
0e9e1e0a | 629 | Return the data size. Just return the size if DOSIZEONLY is nonzero. */ |
5f98259a | 630 | |
7a0c8d71 | 631 | static int |
2e1eedd6 AJ |
632 | write_debug_data8 (unsigned long long data8, const char *comment, |
633 | int dosizeonly) | |
7a0c8d71 | 634 | { |
5f98259a RK |
635 | if (!dosizeonly) |
636 | { | |
637 | ASM_OUTPUT_DEBUG_DATA8 (asm_out_file, data8); | |
638 | if (flag_verbose_asm) | |
639 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
640 | fputc ('\n', asm_out_file); | |
641 | } | |
7a0c8d71 | 642 | |
7a0c8d71 DR |
643 | return 8; |
644 | } | |
645 | ||
5f98259a RK |
646 | /* Output the difference between LABEL1 and LABEL2. Also output COMMENT if |
647 | flag_verbose_asm is set. Return the data size. Just return the size if | |
0e9e1e0a | 648 | DOSIZEONLY is nonzero. */ |
5f98259a | 649 | |
7a0c8d71 | 650 | static int |
2e1eedd6 AJ |
651 | write_debug_delta4 (char *label1, char *label2, const char *comment, |
652 | int dosizeonly) | |
7a0c8d71 | 653 | { |
5f98259a RK |
654 | if (!dosizeonly) |
655 | { | |
656 | ASM_OUTPUT_DEBUG_DELTA4 (asm_out_file, label1, label2); | |
657 | if (flag_verbose_asm) | |
658 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
659 | fputc ('\n', asm_out_file); | |
660 | } | |
7a0c8d71 | 661 | |
7a0c8d71 DR |
662 | return 4; |
663 | } | |
664 | ||
5f98259a RK |
665 | /* Output a character string STRING. Also write COMMENT if flag_verbose_asm is |
666 | set. Return the string length. Just return the length if DOSIZEONLY is | |
0e9e1e0a | 667 | nonzero. */ |
5f98259a | 668 | |
7a0c8d71 | 669 | static int |
2e1eedd6 | 670 | write_debug_string (char *string, const char *comment, int dosizeonly) |
7a0c8d71 | 671 | { |
5f98259a RK |
672 | if (!dosizeonly) |
673 | { | |
674 | ASM_OUTPUT_DEBUG_STRING (asm_out_file, string); | |
675 | if (flag_verbose_asm) | |
676 | fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
677 | fputc ('\n', asm_out_file); | |
678 | } | |
41077ce4 | 679 | |
7a0c8d71 DR |
680 | return strlen (string); |
681 | } | |
682 | ||
5f98259a | 683 | /* Output a module begin header and return the header size. Just return the |
0e9e1e0a | 684 | size if DOSIZEONLY is nonzero. */ |
5f98259a | 685 | |
cadf4f29 | 686 | static int |
2e1eedd6 | 687 | write_modbeg (int dosizeonly) |
7a0c8d71 | 688 | { |
7a0c8d71 DR |
689 | DST_MODULE_BEGIN modbeg; |
690 | DST_MB_TRLR mb_trlr; | |
691 | int i; | |
692 | char *module_name, *m; | |
693 | int modnamelen; | |
694 | int prodnamelen; | |
695 | int totsize = 0; | |
696 | ||
23d1aac4 | 697 | /* Assumes primary filename has Unix syntax file spec. */ |
7a0c8d71 DR |
698 | module_name = xstrdup (basename ((char *) primary_filename)); |
699 | ||
700 | m = strrchr (module_name, '.'); | |
701 | if (m) | |
702 | *m = 0; | |
703 | ||
704 | modnamelen = strlen (module_name); | |
705 | for (i = 0; i < modnamelen; i++) | |
706 | module_name[i] = TOUPPER (module_name[i]); | |
707 | ||
708 | prodnamelen = strlen (module_producer); | |
709 | ||
710 | modbeg.dst_a_modbeg_header.dst__header_length.dst_w_length | |
711 | = DST_K_MODBEG_SIZE + modnamelen + DST_K_MB_TRLR_SIZE + prodnamelen - 1; | |
712 | modbeg.dst_a_modbeg_header.dst__header_type.dst_w_type = DST_K_MODBEG; | |
713 | modbeg.dst_b_modbeg_flags.dst_v_modbeg_hide = 0; | |
714 | modbeg.dst_b_modbeg_flags.dst_v_modbeg_version = 1; | |
715 | modbeg.dst_b_modbeg_flags.dst_v_modbeg_unused = 0; | |
716 | modbeg.dst_b_modbeg_unused = 0; | |
717 | modbeg.dst_l_modbeg_language = module_language; | |
718 | modbeg.dst_w_version_major = DST_K_VERSION_MAJOR; | |
719 | modbeg.dst_w_version_minor = DST_K_VERSION_MINOR; | |
720 | modbeg.dst_b_modbeg_name = strlen (module_name); | |
721 | ||
722 | mb_trlr.dst_b_compiler = strlen (module_producer); | |
723 | ||
724 | totsize += write_debug_header (&modbeg.dst_a_modbeg_header, | |
725 | "modbeg", dosizeonly); | |
726 | totsize += write_debug_data1 (*((char *) &modbeg.dst_b_modbeg_flags), | |
727 | "flags", dosizeonly); | |
728 | totsize += write_debug_data1 (modbeg.dst_b_modbeg_unused, | |
729 | "unused", dosizeonly); | |
730 | totsize += write_debug_data4 (modbeg.dst_l_modbeg_language, | |
731 | "language", dosizeonly); | |
732 | totsize += write_debug_data2 (modbeg.dst_w_version_major, | |
733 | "DST major version", dosizeonly); | |
734 | totsize += write_debug_data2 (modbeg.dst_w_version_minor, | |
735 | "DST minor version", dosizeonly); | |
736 | totsize += write_debug_data1 (modbeg.dst_b_modbeg_name, | |
737 | "length of module name", dosizeonly); | |
738 | totsize += write_debug_string (module_name, "module name", dosizeonly); | |
739 | totsize += write_debug_data1 (mb_trlr.dst_b_compiler, | |
740 | "length of compiler name", dosizeonly); | |
741 | totsize += write_debug_string (module_producer, "compiler name", dosizeonly); | |
742 | ||
743 | return totsize; | |
744 | } | |
745 | ||
5f98259a | 746 | /* Output a module end trailer and return the trailer size. Just return |
0e9e1e0a | 747 | the size if DOSIZEONLY is nonzero. */ |
5f98259a | 748 | |
7a0c8d71 | 749 | static int |
2e1eedd6 | 750 | write_modend (int dosizeonly) |
7a0c8d71 DR |
751 | { |
752 | DST_MODULE_END modend; | |
753 | int totsize = 0; | |
754 | ||
755 | modend.dst_a_modend_header.dst__header_length.dst_w_length | |
756 | = DST_K_MODEND_SIZE - 1; | |
757 | modend.dst_a_modend_header.dst__header_type.dst_w_type = DST_K_MODEND; | |
758 | ||
759 | totsize += write_debug_header (&modend.dst_a_modend_header, "modend", | |
760 | dosizeonly); | |
761 | ||
762 | return totsize; | |
763 | } | |
764 | ||
5f98259a | 765 | /* Output a routine begin header routine RTNNUM and return the header size. |
0e9e1e0a | 766 | Just return the size if DOSIZEONLY is nonzero. */ |
5f98259a | 767 | |
7a0c8d71 | 768 | static int |
2e1eedd6 | 769 | write_rtnbeg (int rtnnum, int dosizeonly) |
7a0c8d71 DR |
770 | { |
771 | char *rtnname; | |
1dcd444b | 772 | int rtnnamelen; |
7a0c8d71 DR |
773 | char *rtnentryname; |
774 | int totsize = 0; | |
775 | char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
776 | DST_ROUTINE_BEGIN rtnbeg; | |
777 | DST_PROLOG prolog; | |
778 | ||
779 | rtnname = func_table[rtnnum]; | |
780 | rtnnamelen = strlen (rtnname); | |
1dcd444b | 781 | rtnentryname = concat (rtnname, "..en", NULL); |
7a0c8d71 DR |
782 | |
783 | if (!strcmp (rtnname, "main")) | |
784 | { | |
785 | DST_HEADER header; | |
786 | const char *go = "TRANSFER$BREAK$GO"; | |
787 | ||
788 | /* This command isn't documented in DSTRECORDS, so it's made to | |
789 | look like what DEC C does */ | |
790 | ||
791 | /* header size - 1st byte + flag byte + STO_LW size | |
792 | + string count byte + string length */ | |
793 | header.dst__header_length.dst_w_length | |
41077ce4 | 794 | = DST_K_DST_HEADER_SIZE - 1 + 1 + 4 + 1 + strlen (go); |
7a0c8d71 DR |
795 | header.dst__header_type.dst_w_type = 0x17; |
796 | ||
797 | totsize += write_debug_header (&header, "transfer", dosizeonly); | |
798 | ||
799 | /* I think this is a flag byte, but I don't know what this flag means */ | |
800 | totsize += write_debug_data1 (0x1, "flags ???", dosizeonly); | |
801 | ||
802 | /* Routine Begin PD Address */ | |
803 | totsize += write_debug_addr (rtnname, "main procedure descriptor", | |
804 | dosizeonly); | |
805 | totsize += write_debug_data1 (strlen (go), "length of main_name", | |
806 | dosizeonly); | |
807 | totsize += write_debug_string ((char *) go, "main name", dosizeonly); | |
808 | } | |
809 | ||
f9da5064 | 810 | /* The header length never includes the length byte. */ |
7a0c8d71 DR |
811 | rtnbeg.dst_a_rtnbeg_header.dst__header_length.dst_w_length |
812 | = DST_K_RTNBEG_SIZE + rtnnamelen - 1; | |
813 | rtnbeg.dst_a_rtnbeg_header.dst__header_type.dst_w_type = DST_K_RTNBEG; | |
814 | rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_unused = 0; | |
815 | rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_unalloc = 0; | |
816 | rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_prototype = 0; | |
817 | rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_inlined = 0; | |
818 | rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_no_call = 1; | |
819 | rtnbeg.dst_b_rtnbeg_name = rtnnamelen; | |
820 | ||
821 | totsize += write_debug_header (&rtnbeg.dst_a_rtnbeg_header, "rtnbeg", | |
822 | dosizeonly); | |
823 | totsize += write_debug_data1 (*((char *) &rtnbeg.dst_b_rtnbeg_flags), | |
824 | "flags", dosizeonly); | |
825 | ||
826 | /* Routine Begin Address */ | |
827 | totsize += write_debug_addr (rtnentryname, "routine entry name", dosizeonly); | |
828 | ||
829 | /* Routine Begin PD Address */ | |
830 | totsize += write_debug_addr (rtnname, "routine procedure descriptor", | |
831 | dosizeonly); | |
832 | ||
833 | /* Routine Begin Name */ | |
834 | totsize += write_debug_data1 (rtnbeg.dst_b_rtnbeg_name, | |
835 | "length of routine name", dosizeonly); | |
836 | ||
837 | totsize += write_debug_string (rtnname, "routine name", dosizeonly); | |
838 | ||
839 | free (rtnentryname); | |
840 | ||
841 | if (debug_info_level > DINFO_LEVEL_TERSE) | |
842 | { | |
843 | prolog.dst_a_prolog_header.dst__header_length.dst_w_length | |
844 | = DST_K_PROLOG_SIZE - 1; | |
845 | prolog.dst_a_prolog_header.dst__header_type.dst_w_type = DST_K_PROLOG; | |
846 | ||
847 | totsize += write_debug_header (&prolog.dst_a_prolog_header, "prolog", | |
848 | dosizeonly); | |
849 | ||
850 | ASM_GENERATE_INTERNAL_LABEL (label, FUNC_PROLOG_LABEL, rtnnum); | |
851 | totsize += write_debug_addr (label, "prolog breakpoint addr", | |
852 | dosizeonly); | |
853 | } | |
854 | ||
855 | return totsize; | |
856 | } | |
857 | ||
5f98259a | 858 | /* Output a routine end trailer for routine RTNNUM and return the header size. |
0e9e1e0a | 859 | Just return the size if DOSIZEONLY is nonzero. */ |
5f98259a | 860 | |
7a0c8d71 | 861 | static int |
2e1eedd6 | 862 | write_rtnend (int rtnnum, int dosizeonly) |
7a0c8d71 DR |
863 | { |
864 | DST_ROUTINE_END rtnend; | |
865 | char label1[MAX_ARTIFICIAL_LABEL_BYTES]; | |
866 | char label2[MAX_ARTIFICIAL_LABEL_BYTES]; | |
867 | int totsize; | |
868 | ||
869 | totsize = 0; | |
870 | ||
871 | rtnend.dst_a_rtnend_header.dst__header_length.dst_w_length | |
872 | = DST_K_RTNEND_SIZE - 1; | |
873 | rtnend.dst_a_rtnend_header.dst__header_type.dst_w_type = DST_K_RTNEND; | |
874 | rtnend.dst_b_rtnend_unused = 0; | |
875 | rtnend.dst_l_rtnend_size = 0; /* Calculated below. */ | |
876 | ||
877 | totsize += write_debug_header (&rtnend.dst_a_rtnend_header, "rtnend", | |
878 | dosizeonly); | |
879 | totsize += write_debug_data1 (rtnend.dst_b_rtnend_unused, "unused", | |
880 | dosizeonly); | |
881 | ||
882 | ASM_GENERATE_INTERNAL_LABEL (label1, FUNC_BEGIN_LABEL, rtnnum); | |
883 | ASM_GENERATE_INTERNAL_LABEL (label2, FUNC_END_LABEL, rtnnum); | |
884 | totsize += write_debug_delta4 (label2, label1, "routine size", dosizeonly); | |
885 | ||
886 | return totsize; | |
887 | } | |
888 | ||
889 | #define K_DELTA_PC(I) \ | |
890 | ((I) < 128 ? -(I) : (I) < 65536 ? DST_K_DELTA_PC_W : DST_K_DELTA_PC_L) | |
891 | ||
892 | #define K_SET_LINUM(I) \ | |
893 | ((I) < 256 ? DST_K_SET_LINUM_B \ | |
894 | : (I) < 65536 ? DST_K_SET_LINUM : DST_K_SET_LINUM_L) | |
895 | ||
896 | #define K_INCR_LINUM(I) \ | |
897 | ((I) < 256 ? DST_K_INCR_LINUM \ | |
898 | : (I) < 65536 ? DST_K_INCR_LINUM_W : DST_K_INCR_LINUM_L) | |
899 | ||
5f98259a | 900 | /* Output the PC to line number correlations and return the size. Just return |
0e9e1e0a | 901 | the size if DOSIZEONLY is nonzero */ |
5f98259a | 902 | |
7a0c8d71 | 903 | static int |
2e1eedd6 | 904 | write_pclines (int dosizeonly) |
7a0c8d71 DR |
905 | { |
906 | unsigned i; | |
907 | int fn; | |
908 | int ln, lastln; | |
909 | int linestart = 0; | |
910 | int max_line; | |
911 | DST_LINE_NUM_HEADER line_num; | |
912 | DST_PCLINE_COMMANDS pcline; | |
913 | char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
914 | char lastlabel[MAX_ARTIFICIAL_LABEL_BYTES]; | |
915 | int totsize = 0; | |
916 | char buff[256]; | |
917 | ||
918 | max_line = file_info_table[1].max_line; | |
919 | file_info_table[1].listing_line_start = linestart; | |
920 | linestart = linestart + ((max_line / 100000) + 1) * 100000; | |
921 | ||
922 | for (i = 2; i < file_info_table_in_use; i++) | |
923 | { | |
924 | max_line = file_info_table[i].max_line; | |
925 | file_info_table[i].listing_line_start = linestart; | |
926 | linestart = linestart + ((max_line / 10000) + 1) * 10000; | |
927 | } | |
928 | ||
f9da5064 | 929 | /* Set starting address to beginning of text section. */ |
7a0c8d71 DR |
930 | line_num.dst_a_line_num_header.dst__header_length.dst_w_length = 8; |
931 | line_num.dst_a_line_num_header.dst__header_type.dst_w_type = DST_K_LINE_NUM; | |
932 | pcline.dst_b_pcline_command = DST_K_SET_ABS_PC; | |
933 | ||
934 | totsize += write_debug_header (&line_num.dst_a_line_num_header, | |
935 | "line_num", dosizeonly); | |
936 | totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
937 | "line_num (SET ABS PC)", dosizeonly); | |
938 | ||
939 | if (dosizeonly) | |
940 | totsize += 4; | |
941 | else | |
942 | { | |
943 | ASM_OUTPUT_DEBUG_ADDR (asm_out_file, TEXT_SECTION_ASM_OP); | |
944 | if (flag_verbose_asm) | |
945 | fprintf (asm_out_file, "\t%s line_num", ASM_COMMENT_START); | |
946 | fputc ('\n', asm_out_file); | |
947 | } | |
948 | ||
949 | fn = line_info_table[1].dst_file_num; | |
950 | ln = (file_info_table[fn].listing_line_start | |
951 | + line_info_table[1].dst_line_num); | |
952 | line_num.dst_a_line_num_header.dst__header_length.dst_w_length = 4 + 4; | |
953 | pcline.dst_b_pcline_command = DST_K_SET_LINUM_L; | |
954 | ||
955 | totsize += write_debug_header (&line_num.dst_a_line_num_header, | |
956 | "line_num", dosizeonly); | |
957 | totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
958 | "line_num (SET LINUM LONG)", dosizeonly); | |
959 | ||
702ada3d DR |
960 | sprintf (buff, "line_num (%d)", ln ? ln - 1 : 0); |
961 | totsize += write_debug_data4 (ln ? ln - 1 : 0, buff, dosizeonly); | |
7a0c8d71 DR |
962 | |
963 | lastln = ln; | |
964 | strcpy (lastlabel, TEXT_SECTION_ASM_OP); | |
965 | for (i = 1; i < line_info_table_in_use; i++) | |
966 | { | |
967 | int extrabytes; | |
968 | ||
969 | fn = line_info_table[i].dst_file_num; | |
970 | ln = (file_info_table[fn].listing_line_start | |
971 | + line_info_table[i].dst_line_num); | |
972 | ||
973 | if (ln - lastln > 1) | |
974 | extrabytes = 5; /* NUMBYTES (ln - lastln - 1) + 1; */ | |
975 | else if (ln <= lastln) | |
976 | extrabytes = 5; /* NUMBYTES (ln - 1) + 1; */ | |
977 | else | |
978 | extrabytes = 0; | |
979 | ||
980 | line_num.dst_a_line_num_header.dst__header_length.dst_w_length | |
981 | = 8 + extrabytes; | |
982 | ||
983 | totsize += write_debug_header | |
984 | (&line_num.dst_a_line_num_header, "line_num", dosizeonly); | |
985 | ||
986 | if (ln - lastln > 1) | |
987 | { | |
988 | int lndif = ln - lastln - 1; | |
989 | ||
990 | /* K_INCR_LINUM (lndif); */ | |
991 | pcline.dst_b_pcline_command = DST_K_INCR_LINUM_L; | |
992 | ||
993 | totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
994 | "line_num (INCR LINUM LONG)", | |
995 | dosizeonly); | |
996 | ||
997 | sprintf (buff, "line_num (%d)", lndif); | |
998 | totsize += write_debug_data4 (lndif, buff, dosizeonly); | |
999 | } | |
1000 | else if (ln <= lastln) | |
1001 | { | |
1002 | /* K_SET_LINUM (ln-1); */ | |
1003 | pcline.dst_b_pcline_command = DST_K_SET_LINUM_L; | |
1004 | ||
1005 | totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
1006 | "line_num (SET LINUM LONG)", | |
1007 | dosizeonly); | |
1008 | ||
1009 | sprintf (buff, "line_num (%d)", ln - 1); | |
1010 | totsize += write_debug_data4 (ln - 1, buff, dosizeonly); | |
1011 | } | |
1012 | ||
1013 | pcline.dst_b_pcline_command = DST_K_DELTA_PC_L; | |
1014 | ||
1015 | totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
1016 | "line_num (DELTA PC LONG)", dosizeonly); | |
1017 | ||
1018 | ASM_GENERATE_INTERNAL_LABEL (label, LINE_CODE_LABEL, i); | |
1019 | totsize += write_debug_delta4 (label, lastlabel, "increment line_num", | |
1020 | dosizeonly); | |
1021 | ||
1022 | lastln = ln; | |
1023 | strcpy (lastlabel, label); | |
1024 | } | |
1025 | ||
1026 | return totsize; | |
1027 | } | |
1028 | ||
5f98259a RK |
1029 | /* Output a source correlation for file FILEID using information saved in |
1030 | FILE_INFO_ENTRY and return the size. Just return the size if DOSIZEONLY is | |
0e9e1e0a | 1031 | nonzero. */ |
5f98259a | 1032 | |
7a0c8d71 | 1033 | static int |
2e1eedd6 AJ |
1034 | write_srccorr (int fileid, dst_file_info_entry file_info_entry, |
1035 | int dosizeonly) | |
7a0c8d71 DR |
1036 | { |
1037 | int src_command_size; | |
1038 | int linesleft = file_info_entry.max_line; | |
1039 | int linestart = file_info_entry.listing_line_start; | |
1040 | int flen = file_info_entry.flen; | |
1041 | int linestodo = 0; | |
1042 | DST_SOURCE_CORR src_header; | |
1043 | DST_SRC_COMMAND src_command; | |
1044 | DST_SRC_COMMAND src_command_sf; | |
1045 | DST_SRC_COMMAND src_command_sl; | |
1046 | DST_SRC_COMMAND src_command_sr; | |
1047 | DST_SRC_COMMAND src_command_dl; | |
1048 | DST_SRC_CMDTRLR src_cmdtrlr; | |
1049 | char buff[256]; | |
1050 | int totsize = 0; | |
1051 | ||
1052 | if (fileid == 1) | |
1053 | { | |
1054 | src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1055 | = DST_K_SOURCE_CORR_HEADER_SIZE + 1 - 1; | |
1056 | src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1057 | = DST_K_SOURCE; | |
1058 | src_command.dst_b_src_command = DST_K_SRC_FORMFEED; | |
1059 | ||
1060 | totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1061 | "source corr", dosizeonly); | |
1062 | ||
1063 | totsize += write_debug_data1 (src_command.dst_b_src_command, | |
1064 | "source_corr (SRC FORMFEED)", | |
1065 | dosizeonly); | |
1066 | } | |
1067 | ||
1068 | src_command_size | |
1069 | = DST_K_SRC_COMMAND_SIZE + flen + DST_K_SRC_CMDTRLR_SIZE; | |
1070 | src_command.dst_b_src_command = DST_K_SRC_DECLFILE; | |
1071 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_length | |
1072 | = src_command_size - 2; | |
1073 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_flags = 0; | |
1074 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_fileid | |
1075 | = fileid; | |
1076 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_q_src_df_rms_cdt | |
1077 | = file_info_entry.cdt; | |
1078 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_l_src_df_rms_ebk | |
1079 | = file_info_entry.ebk; | |
1080 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_rms_ffb | |
1081 | = file_info_entry.ffb; | |
1082 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_rms_rfo | |
1083 | = file_info_entry.rfo; | |
1084 | src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_filename | |
1085 | = file_info_entry.flen; | |
1086 | ||
1087 | src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1088 | = DST_K_SOURCE_CORR_HEADER_SIZE + src_command_size - 1; | |
1089 | src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1090 | = DST_K_SOURCE; | |
1091 | ||
1092 | src_cmdtrlr.dst_b_src_df_libmodname = 0; | |
41077ce4 | 1093 | |
7a0c8d71 DR |
1094 | totsize += write_debug_header (&src_header.dst_a_source_corr_header, |
1095 | "source corr", dosizeonly); | |
1096 | totsize += write_debug_data1 (src_command.dst_b_src_command, | |
1097 | "source_corr (DECL SRC FILE)", dosizeonly); | |
1098 | totsize += write_debug_data1 | |
1099 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_length, | |
1100 | "source_corr (length)", dosizeonly); | |
1101 | ||
1102 | totsize += write_debug_data1 | |
1103 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_flags, | |
1104 | "source_corr (flags)", dosizeonly); | |
1105 | ||
1106 | totsize += write_debug_data2 | |
1107 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_fileid, | |
1108 | "source_corr (fileid)", dosizeonly); | |
1109 | ||
1110 | totsize += write_debug_data8 | |
1111 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_q_src_df_rms_cdt, | |
1112 | "source_corr (creation date)", dosizeonly); | |
41077ce4 | 1113 | |
7a0c8d71 DR |
1114 | totsize += write_debug_data4 |
1115 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_l_src_df_rms_ebk, | |
1116 | "source_corr (EOF block number)", dosizeonly); | |
1117 | ||
1118 | totsize += write_debug_data2 | |
1119 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_rms_ffb, | |
1120 | "source_corr (first free byte)", dosizeonly); | |
1121 | ||
1122 | totsize += write_debug_data1 | |
1123 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_rms_rfo, | |
1124 | "source_corr (record and file organization)", dosizeonly); | |
1125 | ||
1126 | totsize += write_debug_data1 | |
1127 | (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_filename, | |
1128 | "source_corr (filename length)", dosizeonly); | |
1129 | ||
1130 | totsize += write_debug_string (file_info_entry.file_name, | |
1131 | "source file name", dosizeonly); | |
1132 | totsize += write_debug_data1 (src_cmdtrlr.dst_b_src_df_libmodname, | |
1133 | "source_corr (libmodname)", dosizeonly); | |
1134 | ||
1135 | src_command_sf.dst_b_src_command = DST_K_SRC_SETFILE; | |
1136 | src_command_sf.dst_a_src_cmd_fields.dst_w_src_unsword = fileid; | |
1137 | ||
1138 | src_command_sr.dst_b_src_command = DST_K_SRC_SETREC_W; | |
1139 | src_command_sr.dst_a_src_cmd_fields.dst_w_src_unsword = 1; | |
1140 | ||
1141 | src_command_sl.dst_b_src_command = DST_K_SRC_SETLNUM_L; | |
1142 | src_command_sl.dst_a_src_cmd_fields.dst_l_src_unslong = linestart + 1; | |
1143 | ||
1144 | src_command_dl.dst_b_src_command = DST_K_SRC_DEFLINES_W; | |
1145 | ||
1146 | if (linesleft > 65534) | |
1147 | linesleft = linesleft - 65534, linestodo = 65534; | |
1148 | else | |
1149 | linestodo = linesleft, linesleft = 0; | |
1150 | ||
1151 | src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword = linestodo; | |
1152 | ||
1153 | src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1154 | = DST_K_SOURCE_CORR_HEADER_SIZE + 3 + 3 + 5 + 3 - 1; | |
1155 | src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1156 | = DST_K_SOURCE; | |
1157 | ||
702ada3d DR |
1158 | if (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword) |
1159 | { | |
1160 | totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1161 | "source corr", dosizeonly); | |
7a0c8d71 | 1162 | |
702ada3d DR |
1163 | totsize += write_debug_data1 (src_command_sf.dst_b_src_command, |
1164 | "source_corr (src setfile)", dosizeonly); | |
7a0c8d71 | 1165 | |
702ada3d DR |
1166 | totsize += write_debug_data2 |
1167 | (src_command_sf.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1168 | "source_corr (fileid)", dosizeonly); | |
7a0c8d71 | 1169 | |
702ada3d DR |
1170 | totsize += write_debug_data1 (src_command_sr.dst_b_src_command, |
1171 | "source_corr (setrec)", dosizeonly); | |
7a0c8d71 | 1172 | |
702ada3d DR |
1173 | totsize += write_debug_data2 |
1174 | (src_command_sr.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1175 | "source_corr (recnum)", dosizeonly); | |
7a0c8d71 | 1176 | |
702ada3d DR |
1177 | totsize += write_debug_data1 (src_command_sl.dst_b_src_command, |
1178 | "source_corr (setlnum)", dosizeonly); | |
7a0c8d71 | 1179 | |
702ada3d DR |
1180 | totsize += write_debug_data4 |
1181 | (src_command_sl.dst_a_src_cmd_fields.dst_l_src_unslong, | |
1182 | "source_corr (linenum)", dosizeonly); | |
7a0c8d71 | 1183 | |
7a0c8d71 DR |
1184 | totsize += write_debug_data1 (src_command_dl.dst_b_src_command, |
1185 | "source_corr (deflines)", dosizeonly); | |
702ada3d | 1186 | |
7a0c8d71 DR |
1187 | sprintf (buff, "source_corr (%d)", |
1188 | src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword); | |
1189 | totsize += write_debug_data2 | |
1190 | (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1191 | buff, dosizeonly); | |
702ada3d DR |
1192 | |
1193 | while (linesleft > 0) | |
1194 | { | |
1195 | src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1196 | = DST_K_SOURCE_CORR_HEADER_SIZE + 3 - 1; | |
1197 | src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1198 | = DST_K_SOURCE; | |
1199 | src_command_dl.dst_b_src_command = DST_K_SRC_DEFLINES_W; | |
1200 | ||
1201 | if (linesleft > 65534) | |
1202 | linesleft = linesleft - 65534, linestodo = 65534; | |
1203 | else | |
1204 | linestodo = linesleft, linesleft = 0; | |
1205 | ||
1206 | src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword = linestodo; | |
1207 | ||
1208 | totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1209 | "source corr", dosizeonly); | |
1210 | totsize += write_debug_data1 (src_command_dl.dst_b_src_command, | |
1211 | "source_corr (deflines)", dosizeonly); | |
1212 | sprintf (buff, "source_corr (%d)", | |
1213 | src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword); | |
1214 | totsize += write_debug_data2 | |
1215 | (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1216 | buff, dosizeonly); | |
1217 | } | |
7a0c8d71 DR |
1218 | } |
1219 | ||
1220 | return totsize; | |
1221 | } | |
1222 | ||
5f98259a | 1223 | /* Output all the source correlation entries and return the size. Just return |
0e9e1e0a | 1224 | the size if DOSIZEONLY is nonzero. */ |
5f98259a | 1225 | |
7a0c8d71 | 1226 | static int |
2e1eedd6 | 1227 | write_srccorrs (int dosizeonly) |
7a0c8d71 DR |
1228 | { |
1229 | unsigned int i; | |
1230 | int totsize = 0; | |
1231 | ||
1232 | for (i = 1; i < file_info_table_in_use; i++) | |
1233 | totsize += write_srccorr (i, file_info_table[i], dosizeonly); | |
1234 | ||
1235 | return totsize; | |
41077ce4 | 1236 | } |
7a0c8d71 DR |
1237 | \f |
1238 | /* Output a marker (i.e. a label) for the beginning of a function, before | |
1239 | the prologue. */ | |
1240 | ||
1241 | static void | |
2e1eedd6 | 1242 | vmsdbgout_begin_prologue (unsigned int line, const char *file) |
7a0c8d71 DR |
1243 | { |
1244 | char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
1245 | ||
1246 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1247 | (*dwarf2_debug_hooks.begin_prologue) (line, file); | |
1248 | ||
1249 | if (debug_info_level > DINFO_LEVEL_NONE) | |
1250 | { | |
7a0c8d71 | 1251 | ASM_GENERATE_INTERNAL_LABEL (label, FUNC_BEGIN_LABEL, |
df696a75 | 1252 | current_function_funcdef_no); |
7a0c8d71 DR |
1253 | ASM_OUTPUT_LABEL (asm_out_file, label); |
1254 | } | |
1255 | } | |
1256 | ||
1257 | /* Output a marker (i.e. a label) for the beginning of a function, after | |
1258 | the prologue. */ | |
1259 | ||
702ada3d | 1260 | static void |
2e1eedd6 | 1261 | vmsdbgout_end_prologue (unsigned int line, const char *file) |
7a0c8d71 DR |
1262 | { |
1263 | char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
1264 | ||
702ada3d DR |
1265 | if (write_symbols == VMS_AND_DWARF2_DEBUG) |
1266 | (*dwarf2_debug_hooks.end_prologue) (line, file); | |
1267 | ||
7a0c8d71 DR |
1268 | if (debug_info_level > DINFO_LEVEL_TERSE) |
1269 | { | |
1270 | ASM_GENERATE_INTERNAL_LABEL (label, FUNC_PROLOG_LABEL, | |
df696a75 | 1271 | current_function_funcdef_no); |
7a0c8d71 | 1272 | ASM_OUTPUT_LABEL (asm_out_file, label); |
702ada3d | 1273 | |
f9da5064 | 1274 | /* VMS PCA expects every PC range to correlate to some line and file. */ |
702ada3d | 1275 | vmsdbgout_source_line (line, file); |
7a0c8d71 DR |
1276 | } |
1277 | } | |
1278 | ||
702ada3d DR |
1279 | /* No output for VMS debug, but make obligatory call to Dwarf2 debug */ |
1280 | ||
1281 | static void | |
2e1eedd6 | 1282 | vmsdbgout_end_function (unsigned int line) |
702ada3d DR |
1283 | { |
1284 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1285 | (*dwarf2_debug_hooks.end_function) (line); | |
1286 | } | |
1287 | ||
7a0c8d71 DR |
1288 | /* Output a marker (i.e. a label) for the absolute end of the generated code |
1289 | for a function definition. This gets called *after* the epilogue code has | |
1290 | been generated. */ | |
1291 | ||
1292 | static void | |
2e1eedd6 | 1293 | vmsdbgout_end_epilogue (unsigned int line, const char *file) |
7a0c8d71 DR |
1294 | { |
1295 | char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
1296 | ||
1297 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
702ada3d | 1298 | (*dwarf2_debug_hooks.end_epilogue) (line, file); |
7a0c8d71 DR |
1299 | |
1300 | if (debug_info_level > DINFO_LEVEL_NONE) | |
1301 | { | |
1302 | /* Output a label to mark the endpoint of the code generated for this | |
3ef42a0c | 1303 | function. */ |
7a0c8d71 | 1304 | ASM_GENERATE_INTERNAL_LABEL (label, FUNC_END_LABEL, |
df696a75 | 1305 | current_function_funcdef_no); |
7a0c8d71 | 1306 | ASM_OUTPUT_LABEL (asm_out_file, label); |
702ada3d | 1307 | |
f9da5064 | 1308 | /* VMS PCA expects every PC range to correlate to some line and file. */ |
702ada3d | 1309 | vmsdbgout_source_line (line, file); |
7a0c8d71 DR |
1310 | } |
1311 | } | |
1312 | ||
1313 | /* Output a marker (i.e. a label) for the beginning of the generated code for | |
1314 | a lexical block. */ | |
1315 | ||
1316 | static void | |
2e1eedd6 | 1317 | vmsdbgout_begin_block (register unsigned line, register unsigned blocknum) |
7a0c8d71 DR |
1318 | { |
1319 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1320 | (*dwarf2_debug_hooks.begin_block) (line, blocknum); | |
1321 | ||
1322 | if (debug_info_level > DINFO_LEVEL_TERSE) | |
4977bab6 | 1323 | (*targetm.asm_out.internal_label) (asm_out_file, BLOCK_BEGIN_LABEL, blocknum); |
7a0c8d71 DR |
1324 | } |
1325 | ||
1326 | /* Output a marker (i.e. a label) for the end of the generated code for a | |
1327 | lexical block. */ | |
1328 | ||
1329 | static void | |
2e1eedd6 | 1330 | vmsdbgout_end_block (register unsigned line, register unsigned blocknum) |
7a0c8d71 DR |
1331 | { |
1332 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1333 | (*dwarf2_debug_hooks.end_block) (line, blocknum); | |
1334 | ||
1335 | if (debug_info_level > DINFO_LEVEL_TERSE) | |
4977bab6 | 1336 | (*targetm.asm_out.internal_label) (asm_out_file, BLOCK_END_LABEL, blocknum); |
7a0c8d71 DR |
1337 | } |
1338 | ||
5f98259a RK |
1339 | /* Not implemented in VMS Debug. */ |
1340 | ||
7a0c8d71 | 1341 | static bool |
2e1eedd6 | 1342 | vmsdbgout_ignore_block (tree block) |
7a0c8d71 DR |
1343 | { |
1344 | bool retval = 0; | |
1345 | ||
1346 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1347 | retval = (*dwarf2_debug_hooks.ignore_block) (block); | |
1348 | ||
1349 | return retval; | |
1350 | } | |
1351 | ||
5f98259a RK |
1352 | /* Add an entry for function DECL into the func_table. */ |
1353 | ||
7a0c8d71 | 1354 | static void |
2e1eedd6 | 1355 | vmsdbgout_begin_function (tree decl) |
7a0c8d71 DR |
1356 | { |
1357 | const char *name = XSTR (XEXP (DECL_RTL (decl), 0), 0); | |
1358 | ||
1359 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1360 | (*dwarf2_debug_hooks.begin_function) (decl); | |
1361 | ||
1362 | if (func_table_in_use == func_table_allocated) | |
1363 | { | |
1364 | func_table_allocated += FUNC_TABLE_INCREMENT; | |
703ad42b KG |
1365 | func_table = xrealloc (func_table, |
1366 | func_table_allocated * sizeof (char *)); | |
7a0c8d71 DR |
1367 | } |
1368 | ||
1369 | /* Add the new entry to the end of the function name table. */ | |
1370 | func_table[func_table_in_use++] = xstrdup (name); | |
1371 | } | |
1372 | ||
1373 | static char fullname_buff [4096]; | |
1374 | ||
5f98259a | 1375 | /* Return the full file specification for FILENAME. The specification must be |
23d1aac4 | 1376 | in VMS syntax in order to be processed by VMS Debug. */ |
5f98259a | 1377 | |
7a0c8d71 | 1378 | static char * |
2e1eedd6 | 1379 | full_name (const char *filename) |
7a0c8d71 DR |
1380 | { |
1381 | #ifdef VMS | |
1382 | FILE *fp = fopen (filename, "r"); | |
1383 | ||
1384 | fgetname (fp, fullname_buff, 1); | |
1385 | fclose (fp); | |
1386 | #else | |
1387 | getcwd (fullname_buff, sizeof (fullname_buff)); | |
1388 | ||
1389 | strcat (fullname_buff, "/"); | |
1390 | strcat (fullname_buff, filename); | |
1391 | ||
1392 | /* ??? Insert hairy code here to translate Unix style file specification | |
1393 | to VMS style. */ | |
1394 | #endif | |
1395 | ||
1396 | return fullname_buff; | |
1397 | } | |
1398 | ||
1399 | /* Lookup a filename (in the list of filenames that we know about here in | |
1400 | vmsdbgout.c) and return its "index". The index of each (known) filename is | |
1401 | just a unique number which is associated with only that one filename. We | |
5f98259a RK |
1402 | need such numbers for the sake of generating labels and references |
1403 | to those files numbers. If the filename given as an argument is not | |
7a0c8d71 DR |
1404 | found in our current list, add it to the list and assign it the next |
1405 | available unique index number. In order to speed up searches, we remember | |
1406 | the index of the filename was looked up last. This handles the majority of | |
1407 | all searches. */ | |
1408 | ||
1409 | static unsigned int | |
2e1eedd6 | 1410 | lookup_filename (const char *file_name) |
7a0c8d71 DR |
1411 | { |
1412 | static unsigned int last_file_lookup_index = 0; | |
1413 | register char *fn; | |
1414 | register unsigned i; | |
1415 | char *fnam; | |
1416 | long long cdt; | |
1417 | long ebk; | |
1418 | short ffb; | |
1419 | char rfo; | |
1420 | char flen; | |
1421 | struct stat statbuf; | |
1422 | ||
1423 | if (stat (file_name, &statbuf) == 0) | |
1424 | { | |
6f1fd286 | 1425 | long gmtoff; |
7a0c8d71 | 1426 | #ifdef VMS |
6f1fd286 DR |
1427 | struct tm *ts; |
1428 | ||
f9da5064 | 1429 | /* Adjust for GMT. */ |
6f1fd286 DR |
1430 | ts = (struct tm *) localtime (&statbuf.st_ctime); |
1431 | gmtoff = ts->tm_gmtoff; | |
1432 | ||
f9da5064 | 1433 | /* VMS has multiple file format types. */ |
7a0c8d71 DR |
1434 | rfo = statbuf.st_fab_rfm; |
1435 | #else | |
6f1fd286 DR |
1436 | /* Is GMT adjustment an issue with a cross-compiler? */ |
1437 | gmtoff = 0; | |
1438 | ||
f9da5064 | 1439 | /* Assume stream LF type file. */ |
7a0c8d71 DR |
1440 | rfo = 2; |
1441 | #endif | |
6f1fd286 DR |
1442 | cdt = 10000000 * (statbuf.st_ctime + gmtoff + vms_epoch_offset); |
1443 | ebk = statbuf.st_size / 512 + 1; | |
1444 | ffb = statbuf.st_size - ((statbuf.st_size / 512) * 512); | |
7a0c8d71 DR |
1445 | fnam = full_name (file_name); |
1446 | flen = strlen (fnam); | |
1447 | } | |
1448 | else | |
1449 | { | |
1450 | cdt = 0; | |
1451 | ebk = 0; | |
1452 | ffb = 0; | |
1453 | rfo = 0; | |
c6bc7526 | 1454 | fnam = (char *) ""; |
7a0c8d71 DR |
1455 | flen = 0; |
1456 | } | |
1457 | ||
1458 | /* Check to see if the file name that was searched on the previous call | |
1459 | matches this file name. If so, return the index. */ | |
1460 | if (last_file_lookup_index != 0) | |
1461 | { | |
1462 | fn = file_info_table[last_file_lookup_index].file_name; | |
1463 | if (strcmp (fnam, fn) == 0) | |
1464 | return last_file_lookup_index; | |
1465 | } | |
1466 | ||
1467 | /* Didn't match the previous lookup, search the table */ | |
1468 | for (i = 1; i < file_info_table_in_use; ++i) | |
1469 | { | |
1470 | fn = file_info_table[i].file_name; | |
1471 | if (strcmp (fnam, fn) == 0) | |
1472 | { | |
1473 | last_file_lookup_index = i; | |
1474 | return i; | |
1475 | } | |
1476 | } | |
1477 | ||
41077ce4 | 1478 | /* Prepare to add a new table entry by making sure there is enough space in |
7a0c8d71 DR |
1479 | the table to do so. If not, expand the current table. */ |
1480 | if (file_info_table_in_use == file_info_table_allocated) | |
1481 | { | |
1482 | ||
1483 | file_info_table_allocated += FILE_TABLE_INCREMENT; | |
703ad42b KG |
1484 | file_info_table = xrealloc (file_info_table, |
1485 | (file_info_table_allocated | |
1486 | * sizeof (dst_file_info_entry))); | |
7a0c8d71 DR |
1487 | } |
1488 | ||
1489 | /* Add the new entry to the end of the filename table. */ | |
1490 | file_info_table[file_info_table_in_use].file_name = xstrdup (fnam); | |
1491 | file_info_table[file_info_table_in_use].max_line = 0; | |
1492 | file_info_table[file_info_table_in_use].cdt = cdt; | |
1493 | file_info_table[file_info_table_in_use].ebk = ebk; | |
1494 | file_info_table[file_info_table_in_use].ffb = ffb; | |
1495 | file_info_table[file_info_table_in_use].rfo = rfo; | |
1496 | file_info_table[file_info_table_in_use].flen = flen; | |
1497 | ||
1498 | last_file_lookup_index = file_info_table_in_use++; | |
1499 | return last_file_lookup_index; | |
1500 | } | |
1501 | ||
1502 | /* Output a label to mark the beginning of a source code line entry | |
1503 | and record information relating to this source line, in | |
1504 | 'line_info_table' for later output of the .debug_line section. */ | |
1505 | ||
1506 | static void | |
2e1eedd6 | 1507 | vmsdbgout_source_line (register unsigned line, register const char *filename) |
7a0c8d71 DR |
1508 | { |
1509 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1510 | (*dwarf2_debug_hooks.source_line) (line, filename); | |
1511 | ||
1512 | if (debug_info_level >= DINFO_LEVEL_TERSE) | |
1513 | { | |
1514 | dst_line_info_ref line_info; | |
1515 | ||
4977bab6 | 1516 | (*targetm.asm_out.internal_label) (asm_out_file, LINE_CODE_LABEL, |
7a0c8d71 DR |
1517 | line_info_table_in_use); |
1518 | ||
1519 | /* Expand the line info table if necessary. */ | |
1520 | if (line_info_table_in_use == line_info_table_allocated) | |
1521 | { | |
1522 | line_info_table_allocated += LINE_INFO_TABLE_INCREMENT; | |
703ad42b KG |
1523 | line_info_table = xrealloc (line_info_table, |
1524 | (line_info_table_allocated | |
1525 | * sizeof (dst_line_info_entry))); | |
41077ce4 | 1526 | } |
7a0c8d71 DR |
1527 | |
1528 | /* Add the new entry at the end of the line_info_table. */ | |
1529 | line_info = &line_info_table[line_info_table_in_use++]; | |
1530 | line_info->dst_file_num = lookup_filename (filename); | |
1531 | line_info->dst_line_num = line; | |
1532 | if (line > file_info_table[line_info->dst_file_num].max_line) | |
1533 | file_info_table[line_info->dst_file_num].max_line = line; | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | /* Record the beginning of a new source file, for later output. | |
1538 | At present, unimplemented. */ | |
1539 | ||
1540 | static void | |
2e1eedd6 | 1541 | vmsdbgout_start_source_file (unsigned int lineno, const char *filename) |
7a0c8d71 DR |
1542 | { |
1543 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1544 | (*dwarf2_debug_hooks.start_source_file) (lineno, filename); | |
1545 | } | |
1546 | ||
1547 | /* Record the end of a source file, for later output. | |
1548 | At present, unimplemented. */ | |
1549 | ||
1550 | static void | |
2e1eedd6 | 1551 | vmsdbgout_end_source_file (unsigned int lineno ATTRIBUTE_UNUSED) |
7a0c8d71 DR |
1552 | { |
1553 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1554 | (*dwarf2_debug_hooks.end_source_file) (lineno); | |
1555 | } | |
1556 | ||
1557 | /* Set up for Debug output at the start of compilation. */ | |
1558 | ||
1559 | static void | |
2e1eedd6 | 1560 | vmsdbgout_init (const char *main_input_filename) |
7a0c8d71 DR |
1561 | { |
1562 | const char *language_string = lang_hooks.name; | |
1563 | ||
1564 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1565 | (*dwarf2_debug_hooks.init) (main_input_filename); | |
1566 | ||
1567 | if (debug_info_level == DINFO_LEVEL_NONE) | |
1568 | return; | |
1569 | ||
1570 | /* Remember the name of the primary input file. */ | |
1571 | primary_filename = main_input_filename; | |
1572 | ||
1573 | /* Allocate the initial hunk of the file_info_table. */ | |
1574 | file_info_table | |
703ad42b | 1575 | = xcalloc (FILE_TABLE_INCREMENT, sizeof (dst_file_info_entry)); |
7a0c8d71 DR |
1576 | file_info_table_allocated = FILE_TABLE_INCREMENT; |
1577 | ||
1578 | /* Skip the first entry - file numbers begin at 1 */ | |
1579 | file_info_table_in_use = 1; | |
1580 | ||
703ad42b | 1581 | func_table = xcalloc (FUNC_TABLE_INCREMENT, sizeof (char *)); |
7a0c8d71 DR |
1582 | func_table_allocated = FUNC_TABLE_INCREMENT; |
1583 | func_table_in_use = 1; | |
1584 | ||
1585 | /* Allocate the initial hunk of the line_info_table. */ | |
1586 | line_info_table | |
703ad42b | 1587 | = xcalloc (LINE_INFO_TABLE_INCREMENT, sizeof (dst_line_info_entry)); |
7a0c8d71 DR |
1588 | line_info_table_allocated = LINE_INFO_TABLE_INCREMENT; |
1589 | /* zero-th entry is allocated, but unused */ | |
1590 | line_info_table_in_use = 1; | |
1591 | ||
1592 | lookup_filename (primary_filename); | |
1593 | ||
1594 | if (!strcmp (language_string, "GNU C")) | |
1595 | module_language = DST_K_C; | |
1596 | else if (!strcmp (language_string, "GNU C++")) | |
1597 | module_language = DST_K_CXX; | |
1598 | else if (!strcmp (language_string, "GNU Ada")) | |
1599 | module_language = DST_K_ADA; | |
1600 | else if (!strcmp (language_string, "GNU F77")) | |
1601 | module_language = DST_K_FORTRAN; | |
1602 | else | |
1603 | module_language = DST_K_UNKNOWN; | |
1604 | ||
1dcd444b | 1605 | module_producer = concat (language_string, " ", version_string, NULL); |
7a0c8d71 DR |
1606 | |
1607 | ASM_GENERATE_INTERNAL_LABEL (text_end_label, TEXT_END_LABEL, 0); | |
1608 | ||
1609 | } | |
1610 | ||
5f98259a RK |
1611 | /* Not implemented in VMS Debug. */ |
1612 | ||
7a0c8d71 | 1613 | static void |
2e1eedd6 | 1614 | vmsdbgout_define (unsigned int lineno, const char *buffer) |
7a0c8d71 DR |
1615 | { |
1616 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1617 | (*dwarf2_debug_hooks.define) (lineno, buffer); | |
1618 | } | |
1619 | ||
5f98259a RK |
1620 | /* Not implemented in VMS Debug. */ |
1621 | ||
7a0c8d71 | 1622 | static void |
2e1eedd6 | 1623 | vmsdbgout_undef (unsigned int lineno, const char *buffer) |
7a0c8d71 DR |
1624 | { |
1625 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1626 | (*dwarf2_debug_hooks.undef) (lineno, buffer); | |
1627 | } | |
1628 | ||
5f98259a RK |
1629 | /* Not implemented in VMS Debug. */ |
1630 | ||
7a0c8d71 | 1631 | static void |
2e1eedd6 | 1632 | vmsdbgout_decl (tree decl) |
7a0c8d71 DR |
1633 | { |
1634 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1635 | (*dwarf2_debug_hooks.function_decl) (decl); | |
1636 | } | |
1637 | ||
5f98259a RK |
1638 | /* Not implemented in VMS Debug. */ |
1639 | ||
7a0c8d71 | 1640 | static void |
2e1eedd6 | 1641 | vmsdbgout_global_decl (tree decl) |
7a0c8d71 DR |
1642 | { |
1643 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1644 | (*dwarf2_debug_hooks.global_decl) (decl); | |
1645 | } | |
1646 | ||
5f98259a RK |
1647 | /* Not implemented in VMS Debug. */ |
1648 | ||
7a0c8d71 | 1649 | static void |
2e1eedd6 | 1650 | vmsdbgout_abstract_function (tree decl) |
7a0c8d71 DR |
1651 | { |
1652 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1653 | (*dwarf2_debug_hooks.outlining_inline_function) (decl); | |
1654 | } | |
1655 | ||
5f98259a RK |
1656 | /* Output stuff that Debug requires at the end of every file and generate the |
1657 | VMS Debug debugging info. */ | |
7a0c8d71 DR |
1658 | |
1659 | static void | |
2e1eedd6 | 1660 | vmsdbgout_finish (const char *main_input_filename ATTRIBUTE_UNUSED) |
7a0c8d71 DR |
1661 | { |
1662 | unsigned int i; | |
1663 | int totsize; | |
1664 | ||
1665 | if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
64c1652c | 1666 | (*dwarf2_debug_hooks.finish) (main_input_filename); |
7a0c8d71 DR |
1667 | |
1668 | if (debug_info_level == DINFO_LEVEL_NONE) | |
1669 | return; | |
1670 | ||
1671 | /* Output a terminator label for the .text section. */ | |
1672 | text_section (); | |
4977bab6 | 1673 | (*targetm.asm_out.internal_label) (asm_out_file, TEXT_END_LABEL, 0); |
7a0c8d71 DR |
1674 | |
1675 | /* Output debugging information. | |
1676 | Warning! Do not change the name of the .vmsdebug section without | |
23d1aac4 | 1677 | changing it in the assembler also. */ |
7a0c8d71 DR |
1678 | named_section (NULL_TREE, ".vmsdebug", 0); |
1679 | ASM_OUTPUT_ALIGN (asm_out_file, 0); | |
1680 | ||
1681 | totsize = write_modbeg (1); | |
1682 | for (i = 1; i < func_table_in_use; i++) | |
1683 | { | |
1684 | totsize += write_rtnbeg (i, 1); | |
1685 | totsize += write_rtnend (i, 1); | |
1686 | } | |
1687 | totsize += write_pclines (1); | |
1688 | ||
1689 | write_modbeg (0); | |
1690 | for (i = 1; i < func_table_in_use; i++) | |
1691 | { | |
1692 | write_rtnbeg (i, 0); | |
1693 | write_rtnend (i, 0); | |
1694 | } | |
1695 | write_pclines (0); | |
1696 | ||
1697 | if (debug_info_level > DINFO_LEVEL_TERSE) | |
1698 | { | |
1699 | totsize = write_srccorrs (1); | |
1700 | write_srccorrs (0); | |
1701 | } | |
1702 | ||
1703 | totsize = write_modend (1); | |
1704 | write_modend (0); | |
1705 | } | |
1706 | #endif /* VMS_DEBUGGING_INFO */ |