Mercurial > hg > CbC > CbC_gcc
comparison gcc/vmsdbgout.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 855418dad1a3 |
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1 /* Output VMS debug format symbol table information from GCC. | |
2 Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 | |
4 Free Software Foundation, Inc. | |
5 Contributed by Douglas B. Rupp (rupp@gnat.com). | |
6 Updated by Bernard W. Giroud (bgiroud@users.sourceforge.net). | |
7 | |
8 This file is part of GCC. | |
9 | |
10 GCC is free software; you can redistribute it and/or modify it under | |
11 the terms of the GNU General Public License as published by the Free | |
12 Software Foundation; either version 3, or (at your option) any later | |
13 version. | |
14 | |
15 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
16 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
18 for more details. | |
19 | |
20 You should have received a copy of the GNU General Public License | |
21 along with GCC; see the file COPYING3. If not see | |
22 <http://www.gnu.org/licenses/>. */ | |
23 | |
24 #include "config.h" | |
25 #include "system.h" | |
26 #include "coretypes.h" | |
27 #include "tm.h" | |
28 | |
29 #ifdef VMS_DEBUGGING_INFO | |
30 #include "tree.h" | |
31 #include "version.h" | |
32 #include "flags.h" | |
33 #include "rtl.h" | |
34 #include "output.h" | |
35 #include "vmsdbg.h" | |
36 #include "debug.h" | |
37 #include "langhooks.h" | |
38 #include "function.h" | |
39 #include "target.h" | |
40 | |
41 /* Difference in seconds between the VMS Epoch and the Unix Epoch */ | |
42 static const long long vms_epoch_offset = 3506716800ll; | |
43 | |
44 /* NOTE: In the comments in this file, many references are made to "Debug | |
45 Symbol Table". This term is abbreviated as `DST' throughout the remainder | |
46 of this file. */ | |
47 | |
48 typedef struct dst_line_info_struct *dst_line_info_ref; | |
49 | |
50 /* Each entry in the line_info_table maintains the file and | |
51 line number associated with the label generated for that | |
52 entry. The label gives the PC value associated with | |
53 the line number entry. */ | |
54 typedef struct dst_line_info_struct | |
55 { | |
56 unsigned long dst_file_num; | |
57 unsigned long dst_line_num; | |
58 } | |
59 dst_line_info_entry; | |
60 | |
61 typedef struct dst_file_info_struct *dst_file_info_ref; | |
62 | |
63 typedef struct dst_file_info_struct | |
64 { | |
65 char *file_name; | |
66 unsigned int max_line; | |
67 unsigned int listing_line_start; | |
68 long long cdt; | |
69 long ebk; | |
70 short ffb; | |
71 char rfo; | |
72 char flen; | |
73 } | |
74 dst_file_info_entry; | |
75 | |
76 /* How to start an assembler comment. */ | |
77 #ifndef ASM_COMMENT_START | |
78 #define ASM_COMMENT_START ";#" | |
79 #endif | |
80 | |
81 /* Maximum size (in bytes) of an artificially generated label. */ | |
82 #define MAX_ARTIFICIAL_LABEL_BYTES 30 | |
83 | |
84 /* Make sure we know the sizes of the various types debug can describe. These | |
85 are only defaults. If the sizes are different for your target, you should | |
86 override these values by defining the appropriate symbols in your tm.h | |
87 file. */ | |
88 #ifndef PTR_SIZE | |
89 #define PTR_SIZE 4 /* Must be 32 bits for VMS debug info */ | |
90 #endif | |
91 | |
92 /* Pointer to a structure of filenames referenced by this compilation unit. */ | |
93 static dst_file_info_ref file_info_table; | |
94 | |
95 /* Total number of entries in the table (i.e. array) pointed to by | |
96 `file_info_table'. This is the *total* and includes both used and unused | |
97 slots. */ | |
98 static unsigned int file_info_table_allocated; | |
99 | |
100 /* Number of entries in the file_info_table which are actually in use. */ | |
101 static unsigned int file_info_table_in_use; | |
102 | |
103 /* Size (in elements) of increments by which we may expand the filename | |
104 table. */ | |
105 #define FILE_TABLE_INCREMENT 64 | |
106 | |
107 /* A structure to hold basic information for the VMS end | |
108 routine. */ | |
109 | |
110 typedef struct vms_func_struct | |
111 { | |
112 const char *vms_func_name; | |
113 unsigned funcdef_number; | |
114 } | |
115 vms_func_node; | |
116 | |
117 typedef struct vms_func_struct *vms_func_ref; | |
118 | |
119 static unsigned int func_table_allocated; | |
120 static unsigned int func_table_in_use; | |
121 #define FUNC_TABLE_INCREMENT 256 | |
122 | |
123 /* A pointer to the base of a table that contains frame description | |
124 information for each routine. */ | |
125 static vms_func_ref func_table; | |
126 | |
127 /* Local pointer to the name of the main input file. Initialized in | |
128 vmsdbgout_init. */ | |
129 static const char *primary_filename; | |
130 | |
131 static char *module_producer; | |
132 static unsigned int module_language; | |
133 | |
134 /* A pointer to the base of a table that contains line information | |
135 for each source code line in .text in the compilation unit. */ | |
136 static dst_line_info_ref line_info_table; | |
137 | |
138 /* Number of elements currently allocated for line_info_table. */ | |
139 static unsigned int line_info_table_allocated; | |
140 | |
141 /* Number of elements in line_info_table currently in use. */ | |
142 static unsigned int line_info_table_in_use; | |
143 | |
144 /* Size (in elements) of increments by which we may expand line_info_table. */ | |
145 #define LINE_INFO_TABLE_INCREMENT 1024 | |
146 | |
147 /* Forward declarations for functions defined in this file. */ | |
148 static char *full_name (const char *); | |
149 static unsigned int lookup_filename (const char *); | |
150 static void addr_const_to_string (char *, rtx); | |
151 static int write_debug_header (DST_HEADER *, const char *, int); | |
152 static int write_debug_addr (const char *, const char *, int); | |
153 static int write_debug_data1 (unsigned int, const char *, int); | |
154 static int write_debug_data2 (unsigned int, const char *, int); | |
155 static int write_debug_data4 (unsigned long, const char *, int); | |
156 static int write_debug_data8 (unsigned long long, const char *, int); | |
157 static int write_debug_delta4 (const char *, const char *, const char *, int); | |
158 static int write_debug_string (const char *, const char *, int); | |
159 static int write_modbeg (int); | |
160 static int write_modend (int); | |
161 static int write_rtnbeg (int, int); | |
162 static int write_rtnend (int, int); | |
163 static int write_pclines (int); | |
164 static int write_srccorr (int, dst_file_info_entry, int); | |
165 static int write_srccorrs (int); | |
166 | |
167 static void vmsdbgout_init (const char *); | |
168 static void vmsdbgout_finish (const char *); | |
169 static void vmsdbgout_define (unsigned int, const char *); | |
170 static void vmsdbgout_undef (unsigned int, const char *); | |
171 static void vmsdbgout_start_source_file (unsigned int, const char *); | |
172 static void vmsdbgout_end_source_file (unsigned int); | |
173 static void vmsdbgout_begin_block (unsigned int, unsigned int); | |
174 static void vmsdbgout_end_block (unsigned int, unsigned int); | |
175 static bool vmsdbgout_ignore_block (const_tree); | |
176 static void vmsdbgout_source_line (unsigned int, const char *); | |
177 static void vmsdbgout_begin_prologue (unsigned int, const char *); | |
178 static void vmsdbgout_end_prologue (unsigned int, const char *); | |
179 static void vmsdbgout_end_function (unsigned int); | |
180 static void vmsdbgout_end_epilogue (unsigned int, const char *); | |
181 static void vmsdbgout_begin_function (tree); | |
182 static void vmsdbgout_decl (tree); | |
183 static void vmsdbgout_global_decl (tree); | |
184 static void vmsdbgout_abstract_function (tree); | |
185 | |
186 /* The debug hooks structure. */ | |
187 | |
188 const struct gcc_debug_hooks vmsdbg_debug_hooks | |
189 = {vmsdbgout_init, | |
190 vmsdbgout_finish, | |
191 vmsdbgout_define, | |
192 vmsdbgout_undef, | |
193 vmsdbgout_start_source_file, | |
194 vmsdbgout_end_source_file, | |
195 vmsdbgout_begin_block, | |
196 vmsdbgout_end_block, | |
197 vmsdbgout_ignore_block, | |
198 vmsdbgout_source_line, | |
199 vmsdbgout_begin_prologue, | |
200 vmsdbgout_end_prologue, | |
201 vmsdbgout_end_epilogue, | |
202 vmsdbgout_begin_function, | |
203 vmsdbgout_end_function, | |
204 vmsdbgout_decl, | |
205 vmsdbgout_global_decl, | |
206 debug_nothing_tree_int, /* type_decl */ | |
207 debug_nothing_tree_tree_tree_bool, /* imported_module_or_decl */ | |
208 debug_nothing_tree, /* deferred_inline_function */ | |
209 vmsdbgout_abstract_function, | |
210 debug_nothing_rtx, /* label */ | |
211 debug_nothing_int, /* handle_pch */ | |
212 debug_nothing_rtx, /* var_location */ | |
213 debug_nothing_void, /* switch_text_section */ | |
214 0 /* start_end_main_source_file */ | |
215 }; | |
216 | |
217 /* Definitions of defaults for assembler-dependent names of various | |
218 pseudo-ops and section names. | |
219 Theses may be overridden in the tm.h file (if necessary) for a particular | |
220 assembler. */ | |
221 #ifdef UNALIGNED_SHORT_ASM_OP | |
222 #undef UNALIGNED_SHORT_ASM_OP | |
223 #endif | |
224 #define UNALIGNED_SHORT_ASM_OP ".word" | |
225 | |
226 #ifdef UNALIGNED_INT_ASM_OP | |
227 #undef UNALIGNED_INT_ASM_OP | |
228 #endif | |
229 #define UNALIGNED_INT_ASM_OP ".long" | |
230 | |
231 #ifdef UNALIGNED_LONG_ASM_OP | |
232 #undef UNALIGNED_LONG_ASM_OP | |
233 #endif | |
234 #define UNALIGNED_LONG_ASM_OP ".long" | |
235 | |
236 #ifdef UNALIGNED_DOUBLE_INT_ASM_OP | |
237 #undef UNALIGNED_DOUBLE_INT_ASM_OP | |
238 #endif | |
239 #define UNALIGNED_DOUBLE_INT_ASM_OP ".quad" | |
240 | |
241 #ifdef ASM_BYTE_OP | |
242 #undef ASM_BYTE_OP | |
243 #endif | |
244 #define ASM_BYTE_OP ".byte" | |
245 | |
246 #define NUMBYTES(I) ((I) < 256 ? 1 : (I) < 65536 ? 2 : 4) | |
247 | |
248 #define NUMBYTES0(I) ((I) < 128 ? 0 : (I) < 65536 ? 2 : 4) | |
249 | |
250 #ifndef UNALIGNED_PTR_ASM_OP | |
251 #define UNALIGNED_PTR_ASM_OP \ | |
252 (PTR_SIZE == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP : UNALIGNED_INT_ASM_OP) | |
253 #endif | |
254 | |
255 #ifndef UNALIGNED_OFFSET_ASM_OP | |
256 #define UNALIGNED_OFFSET_ASM_OP(OFFSET) \ | |
257 (NUMBYTES(OFFSET) == 4 \ | |
258 ? UNALIGNED_LONG_ASM_OP \ | |
259 : (NUMBYTES(OFFSET) == 2 ? UNALIGNED_SHORT_ASM_OP : ASM_BYTE_OP)) | |
260 #endif | |
261 | |
262 /* Definitions of defaults for formats and names of various special | |
263 (artificial) labels which may be generated within this file (when the -g | |
264 options is used and VMS_DEBUGGING_INFO is in effect. If necessary, these | |
265 may be overridden from within the tm.h file, but typically, overriding these | |
266 defaults is unnecessary. */ | |
267 | |
268 static char text_end_label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
269 | |
270 #ifndef TEXT_END_LABEL | |
271 #define TEXT_END_LABEL "Lvetext" | |
272 #endif | |
273 #ifndef FUNC_BEGIN_LABEL | |
274 #define FUNC_BEGIN_LABEL "LVFB" | |
275 #endif | |
276 #ifndef FUNC_PROLOG_LABEL | |
277 #define FUNC_PROLOG_LABEL "LVFP" | |
278 #endif | |
279 #ifndef FUNC_END_LABEL | |
280 #define FUNC_END_LABEL "LVFE" | |
281 #endif | |
282 #ifndef BLOCK_BEGIN_LABEL | |
283 #define BLOCK_BEGIN_LABEL "LVBB" | |
284 #endif | |
285 #ifndef BLOCK_END_LABEL | |
286 #define BLOCK_END_LABEL "LVBE" | |
287 #endif | |
288 #ifndef LINE_CODE_LABEL | |
289 #define LINE_CODE_LABEL "LVM" | |
290 #endif | |
291 | |
292 #ifndef ASM_OUTPUT_DEBUG_DELTA2 | |
293 #define ASM_OUTPUT_DEBUG_DELTA2(FILE,LABEL1,LABEL2) \ | |
294 do \ | |
295 { \ | |
296 fprintf ((FILE), "\t%s\t", UNALIGNED_SHORT_ASM_OP); \ | |
297 assemble_name (FILE, LABEL1); \ | |
298 fprintf (FILE, "-"); \ | |
299 assemble_name (FILE, LABEL2); \ | |
300 } \ | |
301 while (0) | |
302 #endif | |
303 | |
304 #ifndef ASM_OUTPUT_DEBUG_DELTA4 | |
305 #define ASM_OUTPUT_DEBUG_DELTA4(FILE,LABEL1,LABEL2) \ | |
306 do \ | |
307 { \ | |
308 fprintf ((FILE), "\t%s\t", UNALIGNED_INT_ASM_OP); \ | |
309 assemble_name (FILE, LABEL1); \ | |
310 fprintf (FILE, "-"); \ | |
311 assemble_name (FILE, LABEL2); \ | |
312 } \ | |
313 while (0) | |
314 #endif | |
315 | |
316 #ifndef ASM_OUTPUT_DEBUG_ADDR_DELTA | |
317 #define ASM_OUTPUT_DEBUG_ADDR_DELTA(FILE,LABEL1,LABEL2) \ | |
318 do \ | |
319 { \ | |
320 fprintf ((FILE), "\t%s\t", UNALIGNED_PTR_ASM_OP); \ | |
321 assemble_name (FILE, LABEL1); \ | |
322 fprintf (FILE, "-"); \ | |
323 assemble_name (FILE, LABEL2); \ | |
324 } \ | |
325 while (0) | |
326 #endif | |
327 | |
328 #ifndef ASM_OUTPUT_DEBUG_ADDR | |
329 #define ASM_OUTPUT_DEBUG_ADDR(FILE,LABEL) \ | |
330 do \ | |
331 { \ | |
332 fprintf ((FILE), "\t%s\t", UNALIGNED_PTR_ASM_OP); \ | |
333 assemble_name (FILE, LABEL); \ | |
334 } \ | |
335 while (0) | |
336 #endif | |
337 | |
338 #ifndef ASM_OUTPUT_DEBUG_ADDR_CONST | |
339 #define ASM_OUTPUT_DEBUG_ADDR_CONST(FILE,ADDR) \ | |
340 fprintf ((FILE), "\t%s\t%s", UNALIGNED_PTR_ASM_OP, (ADDR)) | |
341 #endif | |
342 | |
343 #ifndef ASM_OUTPUT_DEBUG_DATA1 | |
344 #define ASM_OUTPUT_DEBUG_DATA1(FILE,VALUE) \ | |
345 fprintf ((FILE), "\t%s\t0x%x", ASM_BYTE_OP, (unsigned char) VALUE) | |
346 #endif | |
347 | |
348 #ifndef ASM_OUTPUT_DEBUG_DATA2 | |
349 #define ASM_OUTPUT_DEBUG_DATA2(FILE,VALUE) \ | |
350 fprintf ((FILE), "\t%s\t0x%x", UNALIGNED_SHORT_ASM_OP, \ | |
351 (unsigned short) VALUE) | |
352 #endif | |
353 | |
354 #ifndef ASM_OUTPUT_DEBUG_DATA4 | |
355 #define ASM_OUTPUT_DEBUG_DATA4(FILE,VALUE) \ | |
356 fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_INT_ASM_OP, (unsigned long) VALUE) | |
357 #endif | |
358 | |
359 #ifndef ASM_OUTPUT_DEBUG_DATA | |
360 #define ASM_OUTPUT_DEBUG_DATA(FILE,VALUE) \ | |
361 fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_OFFSET_ASM_OP(VALUE), VALUE) | |
362 #endif | |
363 | |
364 #ifndef ASM_OUTPUT_DEBUG_ADDR_DATA | |
365 #define ASM_OUTPUT_DEBUG_ADDR_DATA(FILE,VALUE) \ | |
366 fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_PTR_ASM_OP, \ | |
367 (unsigned long) VALUE) | |
368 #endif | |
369 | |
370 #ifndef ASM_OUTPUT_DEBUG_DATA8 | |
371 #define ASM_OUTPUT_DEBUG_DATA8(FILE,VALUE) \ | |
372 fprintf ((FILE), "\t%s\t0x%llx", UNALIGNED_DOUBLE_INT_ASM_OP, \ | |
373 (unsigned long long) VALUE) | |
374 #endif | |
375 | |
376 /* This is similar to the default ASM_OUTPUT_ASCII, except that no trailing | |
377 newline is produced. When flag_verbose_asm is asserted, we add commentary | |
378 at the end of the line, so we must avoid output of a newline here. */ | |
379 #ifndef ASM_OUTPUT_DEBUG_STRING | |
380 #define ASM_OUTPUT_DEBUG_STRING(FILE,P) \ | |
381 do \ | |
382 { \ | |
383 register int slen = strlen(P); \ | |
384 register const char *p = (P); \ | |
385 register int i; \ | |
386 fprintf (FILE, "\t.ascii \""); \ | |
387 for (i = 0; i < slen; i++) \ | |
388 { \ | |
389 register int c = p[i]; \ | |
390 if (c == '\"' || c == '\\') \ | |
391 putc ('\\', FILE); \ | |
392 if (c >= ' ' && c < 0177) \ | |
393 putc (c, FILE); \ | |
394 else \ | |
395 fprintf (FILE, "\\%o", c); \ | |
396 } \ | |
397 fprintf (FILE, "\""); \ | |
398 } \ | |
399 while (0) | |
400 #endif | |
401 | |
402 /* Convert a reference to the assembler name of a C-level name. This | |
403 macro has the same effect as ASM_OUTPUT_LABELREF, but copies to | |
404 a string rather than writing to a file. */ | |
405 #ifndef ASM_NAME_TO_STRING | |
406 #define ASM_NAME_TO_STRING(STR, NAME) \ | |
407 do \ | |
408 { \ | |
409 if ((NAME)[0] == '*') \ | |
410 strcpy (STR, NAME+1); \ | |
411 else \ | |
412 strcpy (STR, NAME); \ | |
413 } \ | |
414 while (0) | |
415 #endif | |
416 | |
417 | |
418 /* General utility functions. */ | |
419 | |
420 /* Convert an integer constant expression into assembler syntax. Addition and | |
421 subtraction are the only arithmetic that may appear in these expressions. | |
422 This is an adaptation of output_addr_const in final.c. Here, the target | |
423 of the conversion is a string buffer. We can't use output_addr_const | |
424 directly, because it writes to a file. */ | |
425 | |
426 static void | |
427 addr_const_to_string (char *str, rtx x) | |
428 { | |
429 char buf1[256]; | |
430 char buf2[256]; | |
431 | |
432 restart: | |
433 str[0] = '\0'; | |
434 switch (GET_CODE (x)) | |
435 { | |
436 case PC: | |
437 gcc_assert (flag_pic); | |
438 strcat (str, ","); | |
439 break; | |
440 | |
441 case SYMBOL_REF: | |
442 ASM_NAME_TO_STRING (buf1, XSTR (x, 0)); | |
443 strcat (str, buf1); | |
444 break; | |
445 | |
446 case LABEL_REF: | |
447 ASM_GENERATE_INTERNAL_LABEL (buf1, "L", CODE_LABEL_NUMBER (XEXP (x, 0))); | |
448 ASM_NAME_TO_STRING (buf2, buf1); | |
449 strcat (str, buf2); | |
450 break; | |
451 | |
452 case CODE_LABEL: | |
453 ASM_GENERATE_INTERNAL_LABEL (buf1, "L", CODE_LABEL_NUMBER (x)); | |
454 ASM_NAME_TO_STRING (buf2, buf1); | |
455 strcat (str, buf2); | |
456 break; | |
457 | |
458 case CONST_INT: | |
459 sprintf (buf1, HOST_WIDE_INT_PRINT_DEC, INTVAL (x)); | |
460 strcat (str, buf1); | |
461 break; | |
462 | |
463 case CONST: | |
464 /* This used to output parentheses around the expression, but that does | |
465 not work on the 386 (either ATT or BSD assembler). */ | |
466 addr_const_to_string (buf1, XEXP (x, 0)); | |
467 strcat (str, buf1); | |
468 break; | |
469 | |
470 case CONST_DOUBLE: | |
471 if (GET_MODE (x) == VOIDmode) | |
472 { | |
473 /* We can use %d if the number is one word and positive. */ | |
474 if (CONST_DOUBLE_HIGH (x)) | |
475 sprintf (buf1, HOST_WIDE_INT_PRINT_DOUBLE_HEX, | |
476 CONST_DOUBLE_HIGH (x), CONST_DOUBLE_LOW (x)); | |
477 else if (CONST_DOUBLE_LOW (x) < 0) | |
478 sprintf (buf1, HOST_WIDE_INT_PRINT_HEX, CONST_DOUBLE_LOW (x)); | |
479 else | |
480 sprintf (buf1, HOST_WIDE_INT_PRINT_DEC, | |
481 CONST_DOUBLE_LOW (x)); | |
482 strcat (str, buf1); | |
483 } | |
484 else | |
485 /* We can't handle floating point constants; PRINT_OPERAND must | |
486 handle them. */ | |
487 output_operand_lossage ("floating constant misused"); | |
488 break; | |
489 | |
490 case PLUS: | |
491 /* Some assemblers need integer constants to appear last (eg masm). */ | |
492 if (GET_CODE (XEXP (x, 0)) == CONST_INT) | |
493 { | |
494 addr_const_to_string (buf1, XEXP (x, 1)); | |
495 strcat (str, buf1); | |
496 if (INTVAL (XEXP (x, 0)) >= 0) | |
497 strcat (str, "+"); | |
498 addr_const_to_string (buf1, XEXP (x, 0)); | |
499 strcat (str, buf1); | |
500 } | |
501 else | |
502 { | |
503 addr_const_to_string (buf1, XEXP (x, 0)); | |
504 strcat (str, buf1); | |
505 if (INTVAL (XEXP (x, 1)) >= 0) | |
506 strcat (str, "+"); | |
507 addr_const_to_string (buf1, XEXP (x, 1)); | |
508 strcat (str, buf1); | |
509 } | |
510 break; | |
511 | |
512 case MINUS: | |
513 /* Avoid outputting things like x-x or x+5-x, since some assemblers | |
514 can't handle that. */ | |
515 x = simplify_subtraction (x); | |
516 if (GET_CODE (x) != MINUS) | |
517 goto restart; | |
518 | |
519 addr_const_to_string (buf1, XEXP (x, 0)); | |
520 strcat (str, buf1); | |
521 strcat (str, "-"); | |
522 if (GET_CODE (XEXP (x, 1)) == CONST_INT | |
523 && INTVAL (XEXP (x, 1)) < 0) | |
524 { | |
525 strcat (str, "("); | |
526 addr_const_to_string (buf1, XEXP (x, 1)); | |
527 strcat (str, buf1); | |
528 strcat (str, ")"); | |
529 } | |
530 else | |
531 { | |
532 addr_const_to_string (buf1, XEXP (x, 1)); | |
533 strcat (str, buf1); | |
534 } | |
535 break; | |
536 | |
537 case ZERO_EXTEND: | |
538 case SIGN_EXTEND: | |
539 addr_const_to_string (buf1, XEXP (x, 0)); | |
540 strcat (str, buf1); | |
541 break; | |
542 | |
543 default: | |
544 output_operand_lossage ("invalid expression as operand"); | |
545 } | |
546 } | |
547 | |
548 /* Output the debug header HEADER. Also output COMMENT if flag_verbose_asm is | |
549 set. Return the header size. Just return the size if DOSIZEONLY is | |
550 nonzero. */ | |
551 | |
552 static int | |
553 write_debug_header (DST_HEADER *header, const char *comment, int dosizeonly) | |
554 { | |
555 if (!dosizeonly) | |
556 { | |
557 ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, | |
558 header->dst__header_length.dst_w_length); | |
559 | |
560 if (flag_verbose_asm) | |
561 fprintf (asm_out_file, "\t%s record length", ASM_COMMENT_START); | |
562 fputc ('\n', asm_out_file); | |
563 | |
564 ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, | |
565 header->dst__header_type.dst_w_type); | |
566 | |
567 if (flag_verbose_asm) | |
568 fprintf (asm_out_file, "\t%s record type (%s)", ASM_COMMENT_START, | |
569 comment); | |
570 | |
571 fputc ('\n', asm_out_file); | |
572 } | |
573 | |
574 return 4; | |
575 } | |
576 | |
577 /* Output the address of SYMBOL. Also output COMMENT if flag_verbose_asm is | |
578 set. Return the address size. Just return the size if DOSIZEONLY is | |
579 nonzero. */ | |
580 | |
581 static int | |
582 write_debug_addr (const char *symbol, const char *comment, int dosizeonly) | |
583 { | |
584 if (!dosizeonly) | |
585 { | |
586 ASM_OUTPUT_DEBUG_ADDR (asm_out_file, symbol); | |
587 if (flag_verbose_asm) | |
588 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
589 fputc ('\n', asm_out_file); | |
590 } | |
591 | |
592 return PTR_SIZE; | |
593 } | |
594 | |
595 /* Output the single byte DATA1. Also output COMMENT if flag_verbose_asm is | |
596 set. Return the data size. Just return the size if DOSIZEONLY is | |
597 nonzero. */ | |
598 | |
599 static int | |
600 write_debug_data1 (unsigned int data1, const char *comment, int dosizeonly) | |
601 { | |
602 if (!dosizeonly) | |
603 { | |
604 ASM_OUTPUT_DEBUG_DATA1 (asm_out_file, data1); | |
605 if (flag_verbose_asm) | |
606 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
607 fputc ('\n', asm_out_file); | |
608 } | |
609 | |
610 return 1; | |
611 } | |
612 | |
613 /* Output the single word DATA2. Also output COMMENT if flag_verbose_asm is | |
614 set. Return the data size. Just return the size if DOSIZEONLY is | |
615 nonzero. */ | |
616 | |
617 static int | |
618 write_debug_data2 (unsigned int data2, const char *comment, int dosizeonly) | |
619 { | |
620 if (!dosizeonly) | |
621 { | |
622 ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, data2); | |
623 if (flag_verbose_asm) | |
624 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
625 fputc ('\n', asm_out_file); | |
626 } | |
627 | |
628 return 2; | |
629 } | |
630 | |
631 /* Output double word DATA4. Also output COMMENT if flag_verbose_asm is set. | |
632 Return the data size. Just return the size if DOSIZEONLY is nonzero. */ | |
633 | |
634 static int | |
635 write_debug_data4 (unsigned long data4, const char *comment, int dosizeonly) | |
636 { | |
637 if (!dosizeonly) | |
638 { | |
639 ASM_OUTPUT_DEBUG_DATA4 (asm_out_file, data4); | |
640 if (flag_verbose_asm) | |
641 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
642 fputc ('\n', asm_out_file); | |
643 } | |
644 | |
645 return 4; | |
646 } | |
647 | |
648 /* Output quad word DATA8. Also output COMMENT if flag_verbose_asm is set. | |
649 Return the data size. Just return the size if DOSIZEONLY is nonzero. */ | |
650 | |
651 static int | |
652 write_debug_data8 (unsigned long long data8, const char *comment, | |
653 int dosizeonly) | |
654 { | |
655 if (!dosizeonly) | |
656 { | |
657 ASM_OUTPUT_DEBUG_DATA8 (asm_out_file, data8); | |
658 if (flag_verbose_asm) | |
659 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
660 fputc ('\n', asm_out_file); | |
661 } | |
662 | |
663 return 8; | |
664 } | |
665 | |
666 /* Output the difference between LABEL1 and LABEL2. Also output COMMENT if | |
667 flag_verbose_asm is set. Return the data size. Just return the size if | |
668 DOSIZEONLY is nonzero. */ | |
669 | |
670 static int | |
671 write_debug_delta4 (const char *label1, const char *label2, | |
672 const char *comment, int dosizeonly) | |
673 { | |
674 if (!dosizeonly) | |
675 { | |
676 ASM_OUTPUT_DEBUG_DELTA4 (asm_out_file, label1, label2); | |
677 if (flag_verbose_asm) | |
678 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
679 fputc ('\n', asm_out_file); | |
680 } | |
681 | |
682 return 4; | |
683 } | |
684 | |
685 /* Output a character string STRING. Also write COMMENT if flag_verbose_asm is | |
686 set. Return the string length. Just return the length if DOSIZEONLY is | |
687 nonzero. */ | |
688 | |
689 static int | |
690 write_debug_string (const char *string, const char *comment, int dosizeonly) | |
691 { | |
692 if (!dosizeonly) | |
693 { | |
694 ASM_OUTPUT_DEBUG_STRING (asm_out_file, string); | |
695 if (flag_verbose_asm) | |
696 fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); | |
697 fputc ('\n', asm_out_file); | |
698 } | |
699 | |
700 return strlen (string); | |
701 } | |
702 | |
703 /* Output a module begin header and return the header size. Just return the | |
704 size if DOSIZEONLY is nonzero. */ | |
705 | |
706 static int | |
707 write_modbeg (int dosizeonly) | |
708 { | |
709 DST_MODULE_BEGIN modbeg; | |
710 DST_MB_TRLR mb_trlr; | |
711 int i; | |
712 char *module_name, *m; | |
713 int modnamelen; | |
714 int prodnamelen; | |
715 int totsize = 0; | |
716 | |
717 /* Assumes primary filename has Unix syntax file spec. */ | |
718 module_name = xstrdup (lbasename (primary_filename)); | |
719 | |
720 m = strrchr (module_name, '.'); | |
721 if (m) | |
722 *m = 0; | |
723 | |
724 modnamelen = strlen (module_name); | |
725 for (i = 0; i < modnamelen; i++) | |
726 module_name[i] = TOUPPER (module_name[i]); | |
727 | |
728 prodnamelen = strlen (module_producer); | |
729 | |
730 modbeg.dst_a_modbeg_header.dst__header_length.dst_w_length | |
731 = DST_K_MODBEG_SIZE + modnamelen + DST_K_MB_TRLR_SIZE + prodnamelen - 1; | |
732 modbeg.dst_a_modbeg_header.dst__header_type.dst_w_type = DST_K_MODBEG; | |
733 modbeg.dst_b_modbeg_flags.dst_v_modbeg_hide = 0; | |
734 modbeg.dst_b_modbeg_flags.dst_v_modbeg_version = 1; | |
735 modbeg.dst_b_modbeg_flags.dst_v_modbeg_unused = 0; | |
736 modbeg.dst_b_modbeg_unused = 0; | |
737 modbeg.dst_l_modbeg_language = module_language; | |
738 modbeg.dst_w_version_major = DST_K_VERSION_MAJOR; | |
739 modbeg.dst_w_version_minor = DST_K_VERSION_MINOR; | |
740 modbeg.dst_b_modbeg_name = strlen (module_name); | |
741 | |
742 mb_trlr.dst_b_compiler = strlen (module_producer); | |
743 | |
744 totsize += write_debug_header (&modbeg.dst_a_modbeg_header, | |
745 "modbeg", dosizeonly); | |
746 totsize += write_debug_data1 (*((char *) &modbeg.dst_b_modbeg_flags), | |
747 "flags", dosizeonly); | |
748 totsize += write_debug_data1 (modbeg.dst_b_modbeg_unused, | |
749 "unused", dosizeonly); | |
750 totsize += write_debug_data4 (modbeg.dst_l_modbeg_language, | |
751 "language", dosizeonly); | |
752 totsize += write_debug_data2 (modbeg.dst_w_version_major, | |
753 "DST major version", dosizeonly); | |
754 totsize += write_debug_data2 (modbeg.dst_w_version_minor, | |
755 "DST minor version", dosizeonly); | |
756 totsize += write_debug_data1 (modbeg.dst_b_modbeg_name, | |
757 "length of module name", dosizeonly); | |
758 totsize += write_debug_string (module_name, "module name", dosizeonly); | |
759 totsize += write_debug_data1 (mb_trlr.dst_b_compiler, | |
760 "length of compiler name", dosizeonly); | |
761 totsize += write_debug_string (module_producer, "compiler name", dosizeonly); | |
762 | |
763 return totsize; | |
764 } | |
765 | |
766 /* Output a module end trailer and return the trailer size. Just return | |
767 the size if DOSIZEONLY is nonzero. */ | |
768 | |
769 static int | |
770 write_modend (int dosizeonly) | |
771 { | |
772 DST_MODULE_END modend; | |
773 int totsize = 0; | |
774 | |
775 modend.dst_a_modend_header.dst__header_length.dst_w_length | |
776 = DST_K_MODEND_SIZE - 1; | |
777 modend.dst_a_modend_header.dst__header_type.dst_w_type = DST_K_MODEND; | |
778 | |
779 totsize += write_debug_header (&modend.dst_a_modend_header, "modend", | |
780 dosizeonly); | |
781 | |
782 return totsize; | |
783 } | |
784 | |
785 /* Output a routine begin header routine RTNNUM and return the header size. | |
786 Just return the size if DOSIZEONLY is nonzero. */ | |
787 | |
788 static int | |
789 write_rtnbeg (int rtnnum, int dosizeonly) | |
790 { | |
791 const char *rtnname; | |
792 int rtnnamelen; | |
793 char *rtnentryname; | |
794 int totsize = 0; | |
795 char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
796 DST_ROUTINE_BEGIN rtnbeg; | |
797 DST_PROLOG prolog; | |
798 vms_func_ref fde = &func_table[rtnnum]; | |
799 | |
800 rtnname = fde->vms_func_name; | |
801 rtnnamelen = strlen (rtnname); | |
802 rtnentryname = concat (rtnname, "..en", NULL); | |
803 | |
804 if (!strcmp (rtnname, "main")) | |
805 { | |
806 DST_HEADER header; | |
807 const char *go = "TRANSFER$BREAK$GO"; | |
808 | |
809 /* This command isn't documented in DSTRECORDS, so it's made to | |
810 look like what DEC C does */ | |
811 | |
812 /* header size - 1st byte + flag byte + STO_LW size | |
813 + string count byte + string length */ | |
814 header.dst__header_length.dst_w_length | |
815 = DST_K_DST_HEADER_SIZE - 1 + 1 + 4 + 1 + strlen (go); | |
816 header.dst__header_type.dst_w_type = 0x17; | |
817 | |
818 totsize += write_debug_header (&header, "transfer", dosizeonly); | |
819 | |
820 /* I think this is a flag byte, but I don't know what this flag means */ | |
821 totsize += write_debug_data1 (0x1, "flags ???", dosizeonly); | |
822 | |
823 /* Routine Begin PD Address */ | |
824 totsize += write_debug_addr (rtnname, "main procedure descriptor", | |
825 dosizeonly); | |
826 totsize += write_debug_data1 (strlen (go), "length of main_name", | |
827 dosizeonly); | |
828 totsize += write_debug_string (go, "main name", dosizeonly); | |
829 } | |
830 | |
831 /* The header length never includes the length byte. */ | |
832 rtnbeg.dst_a_rtnbeg_header.dst__header_length.dst_w_length | |
833 = DST_K_RTNBEG_SIZE + rtnnamelen - 1; | |
834 rtnbeg.dst_a_rtnbeg_header.dst__header_type.dst_w_type = DST_K_RTNBEG; | |
835 rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_unused = 0; | |
836 rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_unalloc = 0; | |
837 rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_prototype = 0; | |
838 rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_inlined = 0; | |
839 rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_no_call = 1; | |
840 rtnbeg.dst_b_rtnbeg_name = rtnnamelen; | |
841 | |
842 totsize += write_debug_header (&rtnbeg.dst_a_rtnbeg_header, "rtnbeg", | |
843 dosizeonly); | |
844 totsize += write_debug_data1 (*((char *) &rtnbeg.dst_b_rtnbeg_flags), | |
845 "flags", dosizeonly); | |
846 | |
847 /* Routine Begin Address */ | |
848 totsize += write_debug_addr (rtnentryname, "routine entry name", dosizeonly); | |
849 | |
850 /* Routine Begin PD Address */ | |
851 totsize += write_debug_addr (rtnname, "routine procedure descriptor", | |
852 dosizeonly); | |
853 | |
854 /* Routine Begin Name */ | |
855 totsize += write_debug_data1 (rtnbeg.dst_b_rtnbeg_name, | |
856 "length of routine name", dosizeonly); | |
857 | |
858 totsize += write_debug_string (rtnname, "routine name", dosizeonly); | |
859 | |
860 free (rtnentryname); | |
861 | |
862 if (debug_info_level > DINFO_LEVEL_TERSE) | |
863 { | |
864 prolog.dst_a_prolog_header.dst__header_length.dst_w_length | |
865 = DST_K_PROLOG_SIZE - 1; | |
866 prolog.dst_a_prolog_header.dst__header_type.dst_w_type = DST_K_PROLOG; | |
867 | |
868 totsize += write_debug_header (&prolog.dst_a_prolog_header, "prolog", | |
869 dosizeonly); | |
870 | |
871 ASM_GENERATE_INTERNAL_LABEL (label, FUNC_PROLOG_LABEL, fde->funcdef_number); | |
872 totsize += write_debug_addr (label, "prolog breakpoint addr", | |
873 dosizeonly); | |
874 } | |
875 | |
876 return totsize; | |
877 } | |
878 | |
879 /* Output a routine end trailer for routine RTNNUM and return the header size. | |
880 Just return the size if DOSIZEONLY is nonzero. */ | |
881 | |
882 static int | |
883 write_rtnend (int rtnnum, int dosizeonly) | |
884 { | |
885 DST_ROUTINE_END rtnend; | |
886 char label1[MAX_ARTIFICIAL_LABEL_BYTES]; | |
887 char label2[MAX_ARTIFICIAL_LABEL_BYTES]; | |
888 int totsize; | |
889 vms_func_ref fde = &func_table[rtnnum]; | |
890 int corrected_rtnnum = fde->funcdef_number; | |
891 | |
892 totsize = 0; | |
893 | |
894 rtnend.dst_a_rtnend_header.dst__header_length.dst_w_length | |
895 = DST_K_RTNEND_SIZE - 1; | |
896 rtnend.dst_a_rtnend_header.dst__header_type.dst_w_type = DST_K_RTNEND; | |
897 rtnend.dst_b_rtnend_unused = 0; | |
898 rtnend.dst_l_rtnend_size = 0; /* Calculated below. */ | |
899 | |
900 totsize += write_debug_header (&rtnend.dst_a_rtnend_header, "rtnend", | |
901 dosizeonly); | |
902 totsize += write_debug_data1 (rtnend.dst_b_rtnend_unused, "unused", | |
903 dosizeonly); | |
904 | |
905 ASM_GENERATE_INTERNAL_LABEL (label1, FUNC_BEGIN_LABEL, corrected_rtnnum); | |
906 ASM_GENERATE_INTERNAL_LABEL (label2, FUNC_END_LABEL, corrected_rtnnum); | |
907 totsize += write_debug_delta4 (label2, label1, "routine size", dosizeonly); | |
908 | |
909 return totsize; | |
910 } | |
911 | |
912 #define K_DELTA_PC(I) \ | |
913 ((I) < 128 ? -(I) : (I) < 65536 ? DST_K_DELTA_PC_W : DST_K_DELTA_PC_L) | |
914 | |
915 #define K_SET_LINUM(I) \ | |
916 ((I) < 256 ? DST_K_SET_LINUM_B \ | |
917 : (I) < 65536 ? DST_K_SET_LINUM : DST_K_SET_LINUM_L) | |
918 | |
919 #define K_INCR_LINUM(I) \ | |
920 ((I) < 256 ? DST_K_INCR_LINUM \ | |
921 : (I) < 65536 ? DST_K_INCR_LINUM_W : DST_K_INCR_LINUM_L) | |
922 | |
923 /* Output the PC to line number correlations and return the size. Just return | |
924 the size if DOSIZEONLY is nonzero */ | |
925 | |
926 static int | |
927 write_pclines (int dosizeonly) | |
928 { | |
929 unsigned i; | |
930 int fn; | |
931 int ln, lastln; | |
932 int linestart = 0; | |
933 int max_line; | |
934 DST_LINE_NUM_HEADER line_num; | |
935 DST_PCLINE_COMMANDS pcline; | |
936 char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
937 char lastlabel[MAX_ARTIFICIAL_LABEL_BYTES]; | |
938 int totsize = 0; | |
939 char buff[256]; | |
940 | |
941 max_line = file_info_table[1].max_line; | |
942 file_info_table[1].listing_line_start = linestart; | |
943 linestart = linestart + ((max_line / 100000) + 1) * 100000; | |
944 | |
945 for (i = 2; i < file_info_table_in_use; i++) | |
946 { | |
947 max_line = file_info_table[i].max_line; | |
948 file_info_table[i].listing_line_start = linestart; | |
949 linestart = linestart + ((max_line / 10000) + 1) * 10000; | |
950 } | |
951 | |
952 /* Set starting address to beginning of text section. */ | |
953 line_num.dst_a_line_num_header.dst__header_length.dst_w_length = 8; | |
954 line_num.dst_a_line_num_header.dst__header_type.dst_w_type = DST_K_LINE_NUM; | |
955 pcline.dst_b_pcline_command = DST_K_SET_ABS_PC; | |
956 | |
957 totsize += write_debug_header (&line_num.dst_a_line_num_header, | |
958 "line_num", dosizeonly); | |
959 totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
960 "line_num (SET ABS PC)", dosizeonly); | |
961 | |
962 if (dosizeonly) | |
963 totsize += 4; | |
964 else | |
965 { | |
966 ASM_OUTPUT_DEBUG_ADDR (asm_out_file, TEXT_SECTION_ASM_OP); | |
967 if (flag_verbose_asm) | |
968 fprintf (asm_out_file, "\t%s line_num", ASM_COMMENT_START); | |
969 fputc ('\n', asm_out_file); | |
970 } | |
971 | |
972 fn = line_info_table[1].dst_file_num; | |
973 ln = (file_info_table[fn].listing_line_start | |
974 + line_info_table[1].dst_line_num); | |
975 line_num.dst_a_line_num_header.dst__header_length.dst_w_length = 4 + 4; | |
976 pcline.dst_b_pcline_command = DST_K_SET_LINUM_L; | |
977 | |
978 totsize += write_debug_header (&line_num.dst_a_line_num_header, | |
979 "line_num", dosizeonly); | |
980 totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
981 "line_num (SET LINUM LONG)", dosizeonly); | |
982 | |
983 sprintf (buff, "line_num (%d)", ln ? ln - 1 : 0); | |
984 totsize += write_debug_data4 (ln ? ln - 1 : 0, buff, dosizeonly); | |
985 | |
986 lastln = ln; | |
987 strcpy (lastlabel, TEXT_SECTION_ASM_OP); | |
988 for (i = 1; i < line_info_table_in_use; i++) | |
989 { | |
990 int extrabytes; | |
991 | |
992 fn = line_info_table[i].dst_file_num; | |
993 ln = (file_info_table[fn].listing_line_start | |
994 + line_info_table[i].dst_line_num); | |
995 | |
996 if (ln - lastln > 1) | |
997 extrabytes = 5; /* NUMBYTES (ln - lastln - 1) + 1; */ | |
998 else if (ln <= lastln) | |
999 extrabytes = 5; /* NUMBYTES (ln - 1) + 1; */ | |
1000 else | |
1001 extrabytes = 0; | |
1002 | |
1003 line_num.dst_a_line_num_header.dst__header_length.dst_w_length | |
1004 = 8 + extrabytes; | |
1005 | |
1006 totsize += write_debug_header | |
1007 (&line_num.dst_a_line_num_header, "line_num", dosizeonly); | |
1008 | |
1009 if (ln - lastln > 1) | |
1010 { | |
1011 int lndif = ln - lastln - 1; | |
1012 | |
1013 /* K_INCR_LINUM (lndif); */ | |
1014 pcline.dst_b_pcline_command = DST_K_INCR_LINUM_L; | |
1015 | |
1016 totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
1017 "line_num (INCR LINUM LONG)", | |
1018 dosizeonly); | |
1019 | |
1020 sprintf (buff, "line_num (%d)", lndif); | |
1021 totsize += write_debug_data4 (lndif, buff, dosizeonly); | |
1022 } | |
1023 else if (ln <= lastln) | |
1024 { | |
1025 /* K_SET_LINUM (ln-1); */ | |
1026 pcline.dst_b_pcline_command = DST_K_SET_LINUM_L; | |
1027 | |
1028 totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
1029 "line_num (SET LINUM LONG)", | |
1030 dosizeonly); | |
1031 | |
1032 sprintf (buff, "line_num (%d)", ln - 1); | |
1033 totsize += write_debug_data4 (ln - 1, buff, dosizeonly); | |
1034 } | |
1035 | |
1036 pcline.dst_b_pcline_command = DST_K_DELTA_PC_L; | |
1037 | |
1038 totsize += write_debug_data1 (pcline.dst_b_pcline_command, | |
1039 "line_num (DELTA PC LONG)", dosizeonly); | |
1040 | |
1041 ASM_GENERATE_INTERNAL_LABEL (label, LINE_CODE_LABEL, i); | |
1042 totsize += write_debug_delta4 (label, lastlabel, "increment line_num", | |
1043 dosizeonly); | |
1044 | |
1045 lastln = ln; | |
1046 strcpy (lastlabel, label); | |
1047 } | |
1048 | |
1049 return totsize; | |
1050 } | |
1051 | |
1052 /* Output a source correlation for file FILEID using information saved in | |
1053 FILE_INFO_ENTRY and return the size. Just return the size if DOSIZEONLY is | |
1054 nonzero. */ | |
1055 | |
1056 static int | |
1057 write_srccorr (int fileid, dst_file_info_entry file_info_entry, | |
1058 int dosizeonly) | |
1059 { | |
1060 int src_command_size; | |
1061 int linesleft = file_info_entry.max_line; | |
1062 int linestart = file_info_entry.listing_line_start; | |
1063 int flen = file_info_entry.flen; | |
1064 int linestodo = 0; | |
1065 DST_SOURCE_CORR src_header; | |
1066 DST_SRC_COMMAND src_command; | |
1067 DST_SRC_COMMAND src_command_sf; | |
1068 DST_SRC_COMMAND src_command_sl; | |
1069 DST_SRC_COMMAND src_command_sr; | |
1070 DST_SRC_COMMAND src_command_dl; | |
1071 DST_SRC_CMDTRLR src_cmdtrlr; | |
1072 char buff[256]; | |
1073 int totsize = 0; | |
1074 | |
1075 if (fileid == 1) | |
1076 { | |
1077 src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1078 = DST_K_SOURCE_CORR_HEADER_SIZE + 1 - 1; | |
1079 src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1080 = DST_K_SOURCE; | |
1081 src_command.dst_b_src_command = DST_K_SRC_FORMFEED; | |
1082 | |
1083 totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1084 "source corr", dosizeonly); | |
1085 | |
1086 totsize += write_debug_data1 (src_command.dst_b_src_command, | |
1087 "source_corr (SRC FORMFEED)", | |
1088 dosizeonly); | |
1089 } | |
1090 | |
1091 src_command_size | |
1092 = DST_K_SRC_COMMAND_SIZE + flen + DST_K_SRC_CMDTRLR_SIZE; | |
1093 src_command.dst_b_src_command = DST_K_SRC_DECLFILE; | |
1094 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_length | |
1095 = src_command_size - 2; | |
1096 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_flags = 0; | |
1097 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_fileid | |
1098 = fileid; | |
1099 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_q_src_df_rms_cdt | |
1100 = file_info_entry.cdt; | |
1101 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_l_src_df_rms_ebk | |
1102 = file_info_entry.ebk; | |
1103 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_rms_ffb | |
1104 = file_info_entry.ffb; | |
1105 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_rms_rfo | |
1106 = file_info_entry.rfo; | |
1107 src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_filename | |
1108 = file_info_entry.flen; | |
1109 | |
1110 src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1111 = DST_K_SOURCE_CORR_HEADER_SIZE + src_command_size - 1; | |
1112 src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1113 = DST_K_SOURCE; | |
1114 | |
1115 src_cmdtrlr.dst_b_src_df_libmodname = 0; | |
1116 | |
1117 totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1118 "source corr", dosizeonly); | |
1119 totsize += write_debug_data1 (src_command.dst_b_src_command, | |
1120 "source_corr (DECL SRC FILE)", dosizeonly); | |
1121 totsize += write_debug_data1 | |
1122 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_length, | |
1123 "source_corr (length)", dosizeonly); | |
1124 | |
1125 totsize += write_debug_data1 | |
1126 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_flags, | |
1127 "source_corr (flags)", dosizeonly); | |
1128 | |
1129 totsize += write_debug_data2 | |
1130 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_fileid, | |
1131 "source_corr (fileid)", dosizeonly); | |
1132 | |
1133 totsize += write_debug_data8 | |
1134 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_q_src_df_rms_cdt, | |
1135 "source_corr (creation date)", dosizeonly); | |
1136 | |
1137 totsize += write_debug_data4 | |
1138 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_l_src_df_rms_ebk, | |
1139 "source_corr (EOF block number)", dosizeonly); | |
1140 | |
1141 totsize += write_debug_data2 | |
1142 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_rms_ffb, | |
1143 "source_corr (first free byte)", dosizeonly); | |
1144 | |
1145 totsize += write_debug_data1 | |
1146 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_rms_rfo, | |
1147 "source_corr (record and file organization)", dosizeonly); | |
1148 | |
1149 totsize += write_debug_data1 | |
1150 (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_filename, | |
1151 "source_corr (filename length)", dosizeonly); | |
1152 | |
1153 totsize += write_debug_string (remap_debug_filename ( | |
1154 file_info_entry.file_name), | |
1155 "source file name", dosizeonly); | |
1156 totsize += write_debug_data1 (src_cmdtrlr.dst_b_src_df_libmodname, | |
1157 "source_corr (libmodname)", dosizeonly); | |
1158 | |
1159 src_command_sf.dst_b_src_command = DST_K_SRC_SETFILE; | |
1160 src_command_sf.dst_a_src_cmd_fields.dst_w_src_unsword = fileid; | |
1161 | |
1162 src_command_sr.dst_b_src_command = DST_K_SRC_SETREC_W; | |
1163 src_command_sr.dst_a_src_cmd_fields.dst_w_src_unsword = 1; | |
1164 | |
1165 src_command_sl.dst_b_src_command = DST_K_SRC_SETLNUM_L; | |
1166 src_command_sl.dst_a_src_cmd_fields.dst_l_src_unslong = linestart + 1; | |
1167 | |
1168 src_command_dl.dst_b_src_command = DST_K_SRC_DEFLINES_W; | |
1169 | |
1170 if (linesleft > 65534) | |
1171 linesleft = linesleft - 65534, linestodo = 65534; | |
1172 else | |
1173 linestodo = linesleft, linesleft = 0; | |
1174 | |
1175 src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword = linestodo; | |
1176 | |
1177 src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1178 = DST_K_SOURCE_CORR_HEADER_SIZE + 3 + 3 + 5 + 3 - 1; | |
1179 src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1180 = DST_K_SOURCE; | |
1181 | |
1182 if (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword) | |
1183 { | |
1184 totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1185 "source corr", dosizeonly); | |
1186 | |
1187 totsize += write_debug_data1 (src_command_sf.dst_b_src_command, | |
1188 "source_corr (src setfile)", dosizeonly); | |
1189 | |
1190 totsize += write_debug_data2 | |
1191 (src_command_sf.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1192 "source_corr (fileid)", dosizeonly); | |
1193 | |
1194 totsize += write_debug_data1 (src_command_sr.dst_b_src_command, | |
1195 "source_corr (setrec)", dosizeonly); | |
1196 | |
1197 totsize += write_debug_data2 | |
1198 (src_command_sr.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1199 "source_corr (recnum)", dosizeonly); | |
1200 | |
1201 totsize += write_debug_data1 (src_command_sl.dst_b_src_command, | |
1202 "source_corr (setlnum)", dosizeonly); | |
1203 | |
1204 totsize += write_debug_data4 | |
1205 (src_command_sl.dst_a_src_cmd_fields.dst_l_src_unslong, | |
1206 "source_corr (linenum)", dosizeonly); | |
1207 | |
1208 totsize += write_debug_data1 (src_command_dl.dst_b_src_command, | |
1209 "source_corr (deflines)", dosizeonly); | |
1210 | |
1211 sprintf (buff, "source_corr (%d)", | |
1212 src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword); | |
1213 totsize += write_debug_data2 | |
1214 (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1215 buff, dosizeonly); | |
1216 | |
1217 while (linesleft > 0) | |
1218 { | |
1219 src_header.dst_a_source_corr_header.dst__header_length.dst_w_length | |
1220 = DST_K_SOURCE_CORR_HEADER_SIZE + 3 - 1; | |
1221 src_header.dst_a_source_corr_header.dst__header_type.dst_w_type | |
1222 = DST_K_SOURCE; | |
1223 src_command_dl.dst_b_src_command = DST_K_SRC_DEFLINES_W; | |
1224 | |
1225 if (linesleft > 65534) | |
1226 linesleft = linesleft - 65534, linestodo = 65534; | |
1227 else | |
1228 linestodo = linesleft, linesleft = 0; | |
1229 | |
1230 src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword = linestodo; | |
1231 | |
1232 totsize += write_debug_header (&src_header.dst_a_source_corr_header, | |
1233 "source corr", dosizeonly); | |
1234 totsize += write_debug_data1 (src_command_dl.dst_b_src_command, | |
1235 "source_corr (deflines)", dosizeonly); | |
1236 sprintf (buff, "source_corr (%d)", | |
1237 src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword); | |
1238 totsize += write_debug_data2 | |
1239 (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword, | |
1240 buff, dosizeonly); | |
1241 } | |
1242 } | |
1243 | |
1244 return totsize; | |
1245 } | |
1246 | |
1247 /* Output all the source correlation entries and return the size. Just return | |
1248 the size if DOSIZEONLY is nonzero. */ | |
1249 | |
1250 static int | |
1251 write_srccorrs (int dosizeonly) | |
1252 { | |
1253 unsigned int i; | |
1254 int totsize = 0; | |
1255 | |
1256 for (i = 1; i < file_info_table_in_use; i++) | |
1257 totsize += write_srccorr (i, file_info_table[i], dosizeonly); | |
1258 | |
1259 return totsize; | |
1260 } | |
1261 | |
1262 /* Output a marker (i.e. a label) for the beginning of a function, before | |
1263 the prologue. */ | |
1264 | |
1265 static void | |
1266 vmsdbgout_begin_prologue (unsigned int line, const char *file) | |
1267 { | |
1268 char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
1269 | |
1270 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1271 (*dwarf2_debug_hooks.begin_prologue) (line, file); | |
1272 | |
1273 if (debug_info_level > DINFO_LEVEL_NONE) | |
1274 { | |
1275 ASM_GENERATE_INTERNAL_LABEL (label, FUNC_BEGIN_LABEL, | |
1276 current_function_funcdef_no); | |
1277 ASM_OUTPUT_LABEL (asm_out_file, label); | |
1278 } | |
1279 } | |
1280 | |
1281 /* Output a marker (i.e. a label) for the beginning of a function, after | |
1282 the prologue. */ | |
1283 | |
1284 static void | |
1285 vmsdbgout_end_prologue (unsigned int line, const char *file) | |
1286 { | |
1287 char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
1288 | |
1289 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1290 (*dwarf2_debug_hooks.end_prologue) (line, file); | |
1291 | |
1292 if (debug_info_level > DINFO_LEVEL_TERSE) | |
1293 { | |
1294 ASM_GENERATE_INTERNAL_LABEL (label, FUNC_PROLOG_LABEL, | |
1295 current_function_funcdef_no); | |
1296 ASM_OUTPUT_LABEL (asm_out_file, label); | |
1297 | |
1298 /* VMS PCA expects every PC range to correlate to some line and file. */ | |
1299 vmsdbgout_source_line (line, file); | |
1300 } | |
1301 } | |
1302 | |
1303 /* No output for VMS debug, but make obligatory call to Dwarf2 debug */ | |
1304 | |
1305 static void | |
1306 vmsdbgout_end_function (unsigned int line) | |
1307 { | |
1308 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1309 (*dwarf2_debug_hooks.end_function) (line); | |
1310 } | |
1311 | |
1312 /* Output a marker (i.e. a label) for the absolute end of the generated code | |
1313 for a function definition. This gets called *after* the epilogue code has | |
1314 been generated. */ | |
1315 | |
1316 static void | |
1317 vmsdbgout_end_epilogue (unsigned int line, const char *file) | |
1318 { | |
1319 char label[MAX_ARTIFICIAL_LABEL_BYTES]; | |
1320 | |
1321 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1322 (*dwarf2_debug_hooks.end_epilogue) (line, file); | |
1323 | |
1324 if (debug_info_level > DINFO_LEVEL_NONE) | |
1325 { | |
1326 /* Output a label to mark the endpoint of the code generated for this | |
1327 function. */ | |
1328 ASM_GENERATE_INTERNAL_LABEL (label, FUNC_END_LABEL, | |
1329 current_function_funcdef_no); | |
1330 ASM_OUTPUT_LABEL (asm_out_file, label); | |
1331 | |
1332 /* VMS PCA expects every PC range to correlate to some line and file. */ | |
1333 vmsdbgout_source_line (line, file); | |
1334 } | |
1335 } | |
1336 | |
1337 /* Output a marker (i.e. a label) for the beginning of the generated code for | |
1338 a lexical block. */ | |
1339 | |
1340 static void | |
1341 vmsdbgout_begin_block (register unsigned line, register unsigned blocknum) | |
1342 { | |
1343 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1344 (*dwarf2_debug_hooks.begin_block) (line, blocknum); | |
1345 | |
1346 if (debug_info_level > DINFO_LEVEL_TERSE) | |
1347 targetm.asm_out.internal_label (asm_out_file, BLOCK_BEGIN_LABEL, blocknum); | |
1348 } | |
1349 | |
1350 /* Output a marker (i.e. a label) for the end of the generated code for a | |
1351 lexical block. */ | |
1352 | |
1353 static void | |
1354 vmsdbgout_end_block (register unsigned line, register unsigned blocknum) | |
1355 { | |
1356 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1357 (*dwarf2_debug_hooks.end_block) (line, blocknum); | |
1358 | |
1359 if (debug_info_level > DINFO_LEVEL_TERSE) | |
1360 targetm.asm_out.internal_label (asm_out_file, BLOCK_END_LABEL, blocknum); | |
1361 } | |
1362 | |
1363 /* Not implemented in VMS Debug. */ | |
1364 | |
1365 static bool | |
1366 vmsdbgout_ignore_block (const_tree block) | |
1367 { | |
1368 bool retval = 0; | |
1369 | |
1370 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1371 retval = (*dwarf2_debug_hooks.ignore_block) (block); | |
1372 | |
1373 return retval; | |
1374 } | |
1375 | |
1376 /* Add an entry for function DECL into the func_table. */ | |
1377 | |
1378 static void | |
1379 vmsdbgout_begin_function (tree decl) | |
1380 { | |
1381 const char *name = XSTR (XEXP (DECL_RTL (decl), 0), 0); | |
1382 vms_func_ref fde; | |
1383 | |
1384 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1385 (*dwarf2_debug_hooks.begin_function) (decl); | |
1386 | |
1387 if (func_table_in_use == func_table_allocated) | |
1388 { | |
1389 func_table_allocated += FUNC_TABLE_INCREMENT; | |
1390 func_table | |
1391 = (vms_func_ref) xrealloc (func_table, | |
1392 func_table_allocated * sizeof (vms_func_node)); | |
1393 } | |
1394 | |
1395 /* Add the new entry to the end of the function name table. */ | |
1396 fde = &func_table[func_table_in_use++]; | |
1397 fde->vms_func_name = xstrdup (name); | |
1398 fde->funcdef_number = current_function_funcdef_no; | |
1399 | |
1400 } | |
1401 | |
1402 static char fullname_buff [4096]; | |
1403 | |
1404 /* Return the full file specification for FILENAME. The specification must be | |
1405 in VMS syntax in order to be processed by VMS Debug. */ | |
1406 | |
1407 static char * | |
1408 full_name (const char *filename) | |
1409 { | |
1410 #ifdef VMS | |
1411 FILE *fp = fopen (filename, "r"); | |
1412 | |
1413 fgetname (fp, fullname_buff, 1); | |
1414 fclose (fp); | |
1415 #else | |
1416 getcwd (fullname_buff, sizeof (fullname_buff)); | |
1417 | |
1418 strcat (fullname_buff, "/"); | |
1419 strcat (fullname_buff, filename); | |
1420 | |
1421 /* ??? Insert hairy code here to translate Unix style file specification | |
1422 to VMS style. */ | |
1423 #endif | |
1424 | |
1425 return fullname_buff; | |
1426 } | |
1427 | |
1428 /* Lookup a filename (in the list of filenames that we know about here in | |
1429 vmsdbgout.c) and return its "index". The index of each (known) filename is | |
1430 just a unique number which is associated with only that one filename. We | |
1431 need such numbers for the sake of generating labels and references | |
1432 to those files numbers. If the filename given as an argument is not | |
1433 found in our current list, add it to the list and assign it the next | |
1434 available unique index number. In order to speed up searches, we remember | |
1435 the index of the filename was looked up last. This handles the majority of | |
1436 all searches. */ | |
1437 | |
1438 static unsigned int | |
1439 lookup_filename (const char *file_name) | |
1440 { | |
1441 static unsigned int last_file_lookup_index = 0; | |
1442 register char *fn; | |
1443 register unsigned i; | |
1444 const char *fnam; | |
1445 long long cdt; | |
1446 long ebk; | |
1447 short ffb; | |
1448 char rfo; | |
1449 char flen; | |
1450 struct stat statbuf; | |
1451 | |
1452 if (stat (file_name, &statbuf) == 0) | |
1453 { | |
1454 long gmtoff; | |
1455 #ifdef VMS | |
1456 struct tm *ts; | |
1457 | |
1458 /* Adjust for GMT. */ | |
1459 ts = (struct tm *) localtime (&statbuf.st_ctime); | |
1460 gmtoff = ts->tm_gmtoff; | |
1461 | |
1462 /* VMS has multiple file format types. */ | |
1463 rfo = statbuf.st_fab_rfm; | |
1464 #else | |
1465 /* Is GMT adjustment an issue with a cross-compiler? */ | |
1466 gmtoff = 0; | |
1467 | |
1468 /* Assume stream LF type file. */ | |
1469 rfo = 2; | |
1470 #endif | |
1471 cdt = 10000000 * (statbuf.st_ctime + gmtoff + vms_epoch_offset); | |
1472 ebk = statbuf.st_size / 512 + 1; | |
1473 ffb = statbuf.st_size - ((statbuf.st_size / 512) * 512); | |
1474 fnam = full_name (file_name); | |
1475 flen = strlen (fnam); | |
1476 } | |
1477 else | |
1478 { | |
1479 cdt = 0; | |
1480 ebk = 0; | |
1481 ffb = 0; | |
1482 rfo = 0; | |
1483 fnam = ""; | |
1484 flen = 0; | |
1485 } | |
1486 | |
1487 /* Check to see if the file name that was searched on the previous call | |
1488 matches this file name. If so, return the index. */ | |
1489 if (last_file_lookup_index != 0) | |
1490 { | |
1491 fn = file_info_table[last_file_lookup_index].file_name; | |
1492 if (strcmp (fnam, fn) == 0) | |
1493 return last_file_lookup_index; | |
1494 } | |
1495 | |
1496 /* Didn't match the previous lookup, search the table */ | |
1497 for (i = 1; i < file_info_table_in_use; ++i) | |
1498 { | |
1499 fn = file_info_table[i].file_name; | |
1500 if (strcmp (fnam, fn) == 0) | |
1501 { | |
1502 last_file_lookup_index = i; | |
1503 return i; | |
1504 } | |
1505 } | |
1506 | |
1507 /* Prepare to add a new table entry by making sure there is enough space in | |
1508 the table to do so. If not, expand the current table. */ | |
1509 if (file_info_table_in_use == file_info_table_allocated) | |
1510 { | |
1511 | |
1512 file_info_table_allocated += FILE_TABLE_INCREMENT; | |
1513 file_info_table = XRESIZEVEC (dst_file_info_entry, file_info_table, | |
1514 file_info_table_allocated); | |
1515 } | |
1516 | |
1517 /* Add the new entry to the end of the filename table. */ | |
1518 file_info_table[file_info_table_in_use].file_name = xstrdup (fnam); | |
1519 file_info_table[file_info_table_in_use].max_line = 0; | |
1520 file_info_table[file_info_table_in_use].cdt = cdt; | |
1521 file_info_table[file_info_table_in_use].ebk = ebk; | |
1522 file_info_table[file_info_table_in_use].ffb = ffb; | |
1523 file_info_table[file_info_table_in_use].rfo = rfo; | |
1524 file_info_table[file_info_table_in_use].flen = flen; | |
1525 | |
1526 last_file_lookup_index = file_info_table_in_use++; | |
1527 return last_file_lookup_index; | |
1528 } | |
1529 | |
1530 /* Output a label to mark the beginning of a source code line entry | |
1531 and record information relating to this source line, in | |
1532 'line_info_table' for later output of the .debug_line section. */ | |
1533 | |
1534 static void | |
1535 vmsdbgout_source_line (register unsigned line, register const char *filename) | |
1536 { | |
1537 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1538 (*dwarf2_debug_hooks.source_line) (line, filename); | |
1539 | |
1540 if (debug_info_level >= DINFO_LEVEL_TERSE) | |
1541 { | |
1542 dst_line_info_ref line_info; | |
1543 | |
1544 targetm.asm_out.internal_label (asm_out_file, LINE_CODE_LABEL, | |
1545 line_info_table_in_use); | |
1546 | |
1547 /* Expand the line info table if necessary. */ | |
1548 if (line_info_table_in_use == line_info_table_allocated) | |
1549 { | |
1550 line_info_table_allocated += LINE_INFO_TABLE_INCREMENT; | |
1551 line_info_table = XRESIZEVEC (dst_line_info_entry, line_info_table, | |
1552 line_info_table_allocated); | |
1553 } | |
1554 | |
1555 /* Add the new entry at the end of the line_info_table. */ | |
1556 line_info = &line_info_table[line_info_table_in_use++]; | |
1557 line_info->dst_file_num = lookup_filename (filename); | |
1558 line_info->dst_line_num = line; | |
1559 if (line > file_info_table[line_info->dst_file_num].max_line) | |
1560 file_info_table[line_info->dst_file_num].max_line = line; | |
1561 } | |
1562 } | |
1563 | |
1564 /* Record the beginning of a new source file, for later output. | |
1565 At present, unimplemented. */ | |
1566 | |
1567 static void | |
1568 vmsdbgout_start_source_file (unsigned int lineno, const char *filename) | |
1569 { | |
1570 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1571 (*dwarf2_debug_hooks.start_source_file) (lineno, filename); | |
1572 } | |
1573 | |
1574 /* Record the end of a source file, for later output. | |
1575 At present, unimplemented. */ | |
1576 | |
1577 static void | |
1578 vmsdbgout_end_source_file (unsigned int lineno ATTRIBUTE_UNUSED) | |
1579 { | |
1580 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1581 (*dwarf2_debug_hooks.end_source_file) (lineno); | |
1582 } | |
1583 | |
1584 /* Set up for Debug output at the start of compilation. */ | |
1585 | |
1586 static void | |
1587 vmsdbgout_init (const char *main_input_filename) | |
1588 { | |
1589 const char *language_string = lang_hooks.name; | |
1590 | |
1591 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1592 (*dwarf2_debug_hooks.init) (main_input_filename); | |
1593 | |
1594 if (debug_info_level == DINFO_LEVEL_NONE) | |
1595 return; | |
1596 | |
1597 /* Remember the name of the primary input file. */ | |
1598 primary_filename = main_input_filename; | |
1599 | |
1600 /* Allocate the initial hunk of the file_info_table. */ | |
1601 file_info_table = XCNEWVEC (dst_file_info_entry, FILE_TABLE_INCREMENT); | |
1602 file_info_table_allocated = FILE_TABLE_INCREMENT; | |
1603 | |
1604 /* Skip the first entry - file numbers begin at 1 */ | |
1605 file_info_table_in_use = 1; | |
1606 | |
1607 func_table = (vms_func_ref) xcalloc (FUNC_TABLE_INCREMENT, sizeof (vms_func_node)); | |
1608 func_table_allocated = FUNC_TABLE_INCREMENT; | |
1609 func_table_in_use = 1; | |
1610 | |
1611 /* Allocate the initial hunk of the line_info_table. */ | |
1612 line_info_table = XCNEWVEC (dst_line_info_entry, LINE_INFO_TABLE_INCREMENT); | |
1613 line_info_table_allocated = LINE_INFO_TABLE_INCREMENT; | |
1614 /* zero-th entry is allocated, but unused */ | |
1615 line_info_table_in_use = 1; | |
1616 | |
1617 lookup_filename (primary_filename); | |
1618 | |
1619 if (!strcmp (language_string, "GNU C")) | |
1620 module_language = DST_K_C; | |
1621 else if (!strcmp (language_string, "GNU C++")) | |
1622 module_language = DST_K_CXX; | |
1623 else if (!strcmp (language_string, "GNU Ada")) | |
1624 module_language = DST_K_ADA; | |
1625 else if (!strcmp (language_string, "GNU F77")) | |
1626 module_language = DST_K_FORTRAN; | |
1627 else | |
1628 module_language = DST_K_UNKNOWN; | |
1629 | |
1630 module_producer = concat (language_string, " ", version_string, NULL); | |
1631 | |
1632 ASM_GENERATE_INTERNAL_LABEL (text_end_label, TEXT_END_LABEL, 0); | |
1633 | |
1634 } | |
1635 | |
1636 /* Not implemented in VMS Debug. */ | |
1637 | |
1638 static void | |
1639 vmsdbgout_define (unsigned int lineno, const char *buffer) | |
1640 { | |
1641 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1642 (*dwarf2_debug_hooks.define) (lineno, buffer); | |
1643 } | |
1644 | |
1645 /* Not implemented in VMS Debug. */ | |
1646 | |
1647 static void | |
1648 vmsdbgout_undef (unsigned int lineno, const char *buffer) | |
1649 { | |
1650 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1651 (*dwarf2_debug_hooks.undef) (lineno, buffer); | |
1652 } | |
1653 | |
1654 /* Not implemented in VMS Debug. */ | |
1655 | |
1656 static void | |
1657 vmsdbgout_decl (tree decl) | |
1658 { | |
1659 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1660 (*dwarf2_debug_hooks.function_decl) (decl); | |
1661 } | |
1662 | |
1663 /* Not implemented in VMS Debug. */ | |
1664 | |
1665 static void | |
1666 vmsdbgout_global_decl (tree decl) | |
1667 { | |
1668 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1669 (*dwarf2_debug_hooks.global_decl) (decl); | |
1670 } | |
1671 | |
1672 /* Not implemented in VMS Debug. */ | |
1673 | |
1674 static void | |
1675 vmsdbgout_abstract_function (tree decl) | |
1676 { | |
1677 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1678 (*dwarf2_debug_hooks.outlining_inline_function) (decl); | |
1679 } | |
1680 | |
1681 /* Output stuff that Debug requires at the end of every file and generate the | |
1682 VMS Debug debugging info. */ | |
1683 | |
1684 static void | |
1685 vmsdbgout_finish (const char *main_input_filename ATTRIBUTE_UNUSED) | |
1686 { | |
1687 unsigned int i; | |
1688 int totsize; | |
1689 | |
1690 if (write_symbols == VMS_AND_DWARF2_DEBUG) | |
1691 (*dwarf2_debug_hooks.finish) (main_input_filename); | |
1692 | |
1693 if (debug_info_level == DINFO_LEVEL_NONE) | |
1694 return; | |
1695 | |
1696 /* Output a terminator label for the .text section. */ | |
1697 switch_to_section (text_section); | |
1698 targetm.asm_out.internal_label (asm_out_file, TEXT_END_LABEL, 0); | |
1699 | |
1700 /* Output debugging information. | |
1701 Warning! Do not change the name of the .vmsdebug section without | |
1702 changing it in the assembler also. */ | |
1703 switch_to_section (get_named_section (NULL, ".vmsdebug", 0)); | |
1704 ASM_OUTPUT_ALIGN (asm_out_file, 0); | |
1705 | |
1706 totsize = write_modbeg (1); | |
1707 for (i = 1; i < func_table_in_use; i++) | |
1708 { | |
1709 totsize += write_rtnbeg (i, 1); | |
1710 totsize += write_rtnend (i, 1); | |
1711 } | |
1712 totsize += write_pclines (1); | |
1713 | |
1714 write_modbeg (0); | |
1715 for (i = 1; i < func_table_in_use; i++) | |
1716 { | |
1717 write_rtnbeg (i, 0); | |
1718 write_rtnend (i, 0); | |
1719 } | |
1720 write_pclines (0); | |
1721 | |
1722 if (debug_info_level > DINFO_LEVEL_TERSE) | |
1723 { | |
1724 totsize = write_srccorrs (1); | |
1725 write_srccorrs (0); | |
1726 } | |
1727 | |
1728 totsize = write_modend (1); | |
1729 write_modend (0); | |
1730 } | |
1731 #endif /* VMS_DEBUGGING_INFO */ |