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69dcadff | 1 | /* Default language-specific hooks. |
d9221e01 | 2 | Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
69dcadff AO |
3 | Contributed by Alexandre Oliva <aoliva@redhat.com> |
4 | ||
54a7b573 | 5 | This file is part of GCC. |
69dcadff | 6 | |
54a7b573 | 7 | GCC is free software; you can redistribute it and/or modify |
69dcadff AO |
8 | it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
54a7b573 | 12 | GCC is distributed in the hope that it will be useful, |
69dcadff AO |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
54a7b573 | 18 | along with GCC; see the file COPYING. If not, write to |
69dcadff AO |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "config.h" | |
23 | #include "system.h" | |
4977bab6 ZW |
24 | #include "coretypes.h" |
25 | #include "tm.h" | |
69dcadff AO |
26 | #include "toplev.h" |
27 | #include "tree.h" | |
28 | #include "tree-inline.h" | |
eadf906f | 29 | #include "tree-gimple.h" |
1affb409 JJ |
30 | #include "rtl.h" |
31 | #include "insn-config.h" | |
32 | #include "integrate.h" | |
29ac78d5 | 33 | #include "flags.h" |
59bee412 | 34 | #include "langhooks.h" |
d23c55c2 | 35 | #include "langhooks-def.h" |
26e0dcb3 | 36 | #include "ggc.h" |
dba65e79 | 37 | #include "diagnostic.h" |
59bee412 | 38 | |
77b1a921 | 39 | /* Do nothing; in many cases the default hook. */ |
8ac61af7 | 40 | |
77b1a921 | 41 | void |
0c20a65f | 42 | lhd_do_nothing (void) |
77b1a921 NB |
43 | { |
44 | } | |
45 | ||
b03e38e1 | 46 | /* Do nothing (tree). */ |
63e1b1c4 NB |
47 | |
48 | void | |
e18476eb | 49 | lhd_do_nothing_t (tree ARG_UNUSED (t)) |
63e1b1c4 NB |
50 | { |
51 | } | |
52 | ||
ff45c01e NB |
53 | /* Do nothing (int). */ |
54 | ||
55 | void | |
e18476eb | 56 | lhd_do_nothing_i (int ARG_UNUSED (i)) |
ff45c01e NB |
57 | { |
58 | } | |
59 | ||
a7e8c268 MM |
60 | /* Do nothing (int, int, int). Return NULL_TREE. */ |
61 | ||
62 | tree | |
9f63daea | 63 | lhd_do_nothing_iii_return_null_tree (int ARG_UNUSED (i), |
e18476eb BI |
64 | int ARG_UNUSED (j), |
65 | int ARG_UNUSED (k)) | |
a7e8c268 MM |
66 | { |
67 | return NULL_TREE; | |
68 | } | |
69 | ||
b03e38e1 NB |
70 | /* Do nothing (function). */ |
71 | ||
72 | void | |
e18476eb | 73 | lhd_do_nothing_f (struct function * ARG_UNUSED (f)) |
b03e38e1 NB |
74 | { |
75 | } | |
76 | ||
ac79cd5a RK |
77 | /* Do nothing (return the tree node passed). */ |
78 | ||
79 | tree | |
0c20a65f | 80 | lhd_return_tree (tree t) |
ac79cd5a RK |
81 | { |
82 | return t; | |
83 | } | |
84 | ||
c88770e9 NB |
85 | /* Do nothing (return NULL_TREE). */ |
86 | ||
47aa0df4 MM |
87 | tree |
88 | lhd_return_null_tree_v (void) | |
89 | { | |
90 | return NULL_TREE; | |
91 | } | |
92 | ||
93 | /* Do nothing (return NULL_TREE). */ | |
94 | ||
c88770e9 | 95 | tree |
e18476eb | 96 | lhd_return_null_tree (tree ARG_UNUSED (t)) |
c88770e9 NB |
97 | { |
98 | return NULL_TREE; | |
99 | } | |
100 | ||
4bfec483 NB |
101 | /* The default post options hook. */ |
102 | ||
103 | bool | |
e18476eb | 104 | lhd_post_options (const char ** ARG_UNUSED (pfilename)) |
4bfec483 NB |
105 | { |
106 | return false; | |
107 | } | |
108 | ||
5d69f816 NB |
109 | /* Called from by print-tree.c. */ |
110 | ||
111 | void | |
e18476eb BI |
112 | lhd_print_tree_nothing (FILE * ARG_UNUSED (file), |
113 | tree ARG_UNUSED (node), | |
114 | int ARG_UNUSED (indent)) | |
5d69f816 | 115 | { |
ac79cd5a RK |
116 | } |
117 | ||
118 | /* Called from safe_from_p. */ | |
119 | ||
120 | int | |
e18476eb | 121 | lhd_safe_from_p (rtx ARG_UNUSED (x), tree ARG_UNUSED (exp)) |
ac79cd5a RK |
122 | { |
123 | return 1; | |
d062a680 JM |
124 | } |
125 | ||
126 | /* Called from staticp. */ | |
127 | ||
525c6bf5 | 128 | tree |
e18476eb | 129 | lhd_staticp (tree ARG_UNUSED (exp)) |
d062a680 | 130 | { |
525c6bf5 | 131 | return NULL; |
5d69f816 NB |
132 | } |
133 | ||
ef4f94ac RH |
134 | /* Called from check_global_declarations. */ |
135 | ||
136 | bool | |
0c20a65f | 137 | lhd_warn_unused_global_decl (tree decl) |
ef4f94ac RH |
138 | { |
139 | /* This is what used to exist in check_global_declarations. Probably | |
140 | not many of these actually apply to non-C languages. */ | |
141 | ||
142 | if (TREE_CODE (decl) == FUNCTION_DECL && DECL_INLINE (decl)) | |
143 | return false; | |
144 | if (TREE_CODE (decl) == VAR_DECL && TREE_READONLY (decl)) | |
145 | return false; | |
146 | if (DECL_IN_SYSTEM_HEADER (decl)) | |
147 | return false; | |
148 | ||
149 | return true; | |
150 | } | |
151 | ||
599bba86 NB |
152 | /* Set the DECL_ASSEMBLER_NAME for DECL. */ |
153 | void | |
0c20a65f | 154 | lhd_set_decl_assembler_name (tree decl) |
599bba86 NB |
155 | { |
156 | /* The language-independent code should never use the | |
157 | DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and | |
158 | VAR_DECLs for variables with static storage duration need a real | |
1c43d3ca GB |
159 | DECL_ASSEMBLER_NAME. |
160 | Nobody should ever be asking for the DECL_ASSEMBLER_NAME of | |
161 | these DECLs -- unless they're in language-dependent code, in | |
162 | which case set_decl_assembler_name hook should handle things. */ | |
163 | gcc_assert (TREE_CODE (decl) == FUNCTION_DECL | |
164 | || (TREE_CODE (decl) == VAR_DECL | |
165 | && (TREE_STATIC (decl) | |
166 | || DECL_EXTERNAL (decl) | |
167 | || TREE_PUBLIC (decl)))); | |
168 | ||
169 | /* By default, assume the name to use in assembly code is the | |
170 | same as that used in the source language. (That's correct | |
171 | for C, and GCC used to set DECL_ASSEMBLER_NAME to the same | |
172 | value as DECL_NAME in build_decl, so this choice provides | |
173 | backwards compatibility with existing front-ends. | |
174 | ||
175 | Can't use just the variable's own name for a variable whose | |
176 | scope is less than the whole compilation. Concatenate a | |
177 | distinguishing number - we use the DECL_UID. */ | |
178 | if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE) | |
179 | SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl)); | |
180 | else | |
26e0dcb3 | 181 | { |
1c43d3ca GB |
182 | const char *name = IDENTIFIER_POINTER (DECL_NAME (decl)); |
183 | char *label; | |
184 | ||
185 | ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl)); | |
186 | SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label)); | |
26e0dcb3 | 187 | } |
599bba86 NB |
188 | } |
189 | ||
57ce46bb TT |
190 | /* By default we always allow bit-field based optimizations. */ |
191 | bool | |
0c20a65f | 192 | lhd_can_use_bit_fields_p (void) |
57ce46bb TT |
193 | { |
194 | return true; | |
195 | } | |
196 | ||
ab393bf1 NB |
197 | /* Type promotion for variable arguments. */ |
198 | tree | |
e18476eb | 199 | lhd_type_promotes_to (tree ARG_UNUSED (type)) |
ab393bf1 | 200 | { |
1c43d3ca | 201 | gcc_unreachable (); |
ab393bf1 NB |
202 | } |
203 | ||
9649812a MM |
204 | /* Registration of machine- or os-specific builtin types. */ |
205 | void | |
9f63daea | 206 | lhd_register_builtin_type (tree ARG_UNUSED (type), |
e18476eb | 207 | const char * ARG_UNUSED (name)) |
9649812a MM |
208 | { |
209 | } | |
210 | ||
7a228918 NB |
211 | /* Invalid use of an incomplete type. */ |
212 | void | |
e18476eb | 213 | lhd_incomplete_type_error (tree ARG_UNUSED (value), tree type) |
7a228918 | 214 | { |
1c43d3ca | 215 | gcc_assert (TREE_CODE (type) == ERROR_MARK); |
7a228918 NB |
216 | } |
217 | ||
37207ee7 ZW |
218 | /* Provide a default routine for alias sets that always returns -1. This |
219 | is used by languages that don't need to do anything special. */ | |
220 | ||
221 | HOST_WIDE_INT | |
e18476eb | 222 | lhd_get_alias_set (tree ARG_UNUSED (t)) |
37207ee7 ZW |
223 | { |
224 | return -1; | |
225 | } | |
226 | ||
8ac61af7 RK |
227 | /* Provide a hook routine for alias sets that always returns 0. This is |
228 | used by languages that haven't deal with alias sets yet. */ | |
229 | ||
230 | HOST_WIDE_INT | |
e18476eb | 231 | hook_get_alias_set_0 (tree ARG_UNUSED (t)) |
8ac61af7 RK |
232 | { |
233 | return 0; | |
234 | } | |
235 | ||
c9d892a8 NB |
236 | /* This is the default expand_expr function. */ |
237 | ||
238 | rtx | |
e18476eb BI |
239 | lhd_expand_expr (tree ARG_UNUSED (t), rtx ARG_UNUSED (r), |
240 | enum machine_mode ARG_UNUSED (mm), | |
241 | int ARG_UNUSED (em), | |
242 | rtx * ARG_UNUSED (a)) | |
c9d892a8 | 243 | { |
1c43d3ca | 244 | gcc_unreachable (); |
c9d892a8 NB |
245 | } |
246 | ||
c2484a8b | 247 | /* The default language-specific function for expanding a decl. After |
6de9cd9a DN |
248 | the language-independent cases are handled, this function will be |
249 | called. If this function is not defined, it is assumed that | |
250 | declarations other than those for variables and labels do not require | |
251 | any RTL generation. */ | |
252 | ||
253 | int | |
e18476eb | 254 | lhd_expand_decl (tree ARG_UNUSED (t)) |
6de9cd9a DN |
255 | { |
256 | return 0; | |
257 | } | |
258 | ||
7afff7cf NB |
259 | /* This is the default decl_printable_name function. */ |
260 | ||
261 | const char * | |
e18476eb | 262 | lhd_decl_printable_name (tree decl, int ARG_UNUSED (verbosity)) |
7afff7cf NB |
263 | { |
264 | return IDENTIFIER_POINTER (DECL_NAME (decl)); | |
265 | } | |
266 | ||
6de9cd9a DN |
267 | /* This compares two types for equivalence ("compatible" in C-based languages). |
268 | This routine should only return 1 if it is sure. It should not be used | |
269 | in contexts where erroneously returning 0 causes problems. */ | |
270 | ||
271 | int | |
272 | lhd_types_compatible_p (tree x, tree y) | |
273 | { | |
274 | return TYPE_MAIN_VARIANT (x) == TYPE_MAIN_VARIANT (y); | |
275 | } | |
276 | ||
69dcadff AO |
277 | /* lang_hooks.tree_inlining.walk_subtrees is called by walk_tree() |
278 | after handling common cases, but before walking code-specific | |
279 | sub-trees. If this hook is overridden for a language, it should | |
280 | handle language-specific tree codes, as well as language-specific | |
281 | information associated to common tree codes. If a tree node is | |
282 | completely handled within this function, it should set *SUBTREES to | |
283 | 0, so that generic handling isn't attempted. For language-specific | |
1c43d3ca | 284 | tree codes, generic handling would assert out, so make sure it is set |
cc2902df | 285 | properly. Both SUBTREES and *SUBTREES is guaranteed to be nonzero |
69dcadff AO |
286 | when the function is called. */ |
287 | ||
288 | tree | |
0c20a65f AJ |
289 | lhd_tree_inlining_walk_subtrees (tree *tp ATTRIBUTE_UNUSED, |
290 | int *subtrees ATTRIBUTE_UNUSED, | |
291 | walk_tree_fn func ATTRIBUTE_UNUSED, | |
292 | void *data ATTRIBUTE_UNUSED, | |
293 | void *htab ATTRIBUTE_UNUSED) | |
69dcadff AO |
294 | { |
295 | return NULL_TREE; | |
296 | } | |
297 | ||
298 | /* lang_hooks.tree_inlining.cannot_inline_tree_fn is called to | |
299 | determine whether there are language-specific reasons for not | |
300 | inlining a given function. */ | |
301 | ||
302 | int | |
0c20a65f | 303 | lhd_tree_inlining_cannot_inline_tree_fn (tree *fnp) |
69dcadff | 304 | { |
2cb921f4 | 305 | if (flag_really_no_inline |
6aa77e6c AH |
306 | && lookup_attribute ("always_inline", DECL_ATTRIBUTES (*fnp)) == NULL) |
307 | return 1; | |
308 | ||
69dcadff AO |
309 | return 0; |
310 | } | |
311 | ||
312 | /* lang_hooks.tree_inlining.disregard_inline_limits is called to | |
313 | determine whether a function should be considered for inlining even | |
314 | if it would exceed inlining limits. */ | |
315 | ||
316 | int | |
0c20a65f | 317 | lhd_tree_inlining_disregard_inline_limits (tree fn) |
69dcadff | 318 | { |
6aa77e6c AH |
319 | if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) != NULL) |
320 | return 1; | |
321 | ||
69dcadff AO |
322 | return 0; |
323 | } | |
324 | ||
325 | /* lang_hooks.tree_inlining.add_pending_fn_decls is called before | |
326 | starting to inline a function, to push any language-specific | |
327 | functions that should not be inlined into the current function, | |
328 | into VAFNP. PFN is the top of varray, and should be returned if no | |
329 | functions are pushed into VAFNP. The top of the varray should be | |
330 | returned. */ | |
331 | ||
332 | tree | |
0c20a65f | 333 | lhd_tree_inlining_add_pending_fn_decls (void *vafnp ATTRIBUTE_UNUSED, tree pfn) |
69dcadff AO |
334 | { |
335 | return pfn; | |
336 | } | |
337 | ||
69dcadff AO |
338 | /* lang_hooks.tree_inlining.auto_var_in_fn_p is called to determine |
339 | whether VT is an automatic variable defined in function FT. */ | |
340 | ||
341 | int | |
0c20a65f | 342 | lhd_tree_inlining_auto_var_in_fn_p (tree var, tree fn) |
69dcadff AO |
343 | { |
344 | return (DECL_P (var) && DECL_CONTEXT (var) == fn | |
345 | && (((TREE_CODE (var) == VAR_DECL || TREE_CODE (var) == PARM_DECL) | |
346 | && ! TREE_STATIC (var)) | |
347 | || TREE_CODE (var) == LABEL_DECL | |
348 | || TREE_CODE (var) == RESULT_DECL)); | |
349 | } | |
350 | ||
69dcadff AO |
351 | /* lang_hooks.tree_inlining.anon_aggr_type_p determines whether T is a |
352 | type node representing an anonymous aggregate (union, struct, etc), | |
353 | i.e., one whose members are in the same scope as the union itself. */ | |
354 | ||
355 | int | |
0c20a65f | 356 | lhd_tree_inlining_anon_aggr_type_p (tree t ATTRIBUTE_UNUSED) |
69dcadff AO |
357 | { |
358 | return 0; | |
359 | } | |
360 | ||
742a37d5 JM |
361 | /* lang_hooks.tree_inlining.start_inlining and end_inlining perform any |
362 | language-specific bookkeeping necessary for processing | |
cc2902df | 363 | FN. start_inlining returns nonzero if inlining should proceed, zero if |
742a37d5 JM |
364 | not. |
365 | ||
366 | For instance, the C++ version keeps track of template instantiations to | |
367 | avoid infinite recursion. */ | |
368 | ||
369 | int | |
0c20a65f | 370 | lhd_tree_inlining_start_inlining (tree fn ATTRIBUTE_UNUSED) |
742a37d5 JM |
371 | { |
372 | return 1; | |
373 | } | |
374 | ||
375 | void | |
0c20a65f | 376 | lhd_tree_inlining_end_inlining (tree fn ATTRIBUTE_UNUSED) |
742a37d5 JM |
377 | { |
378 | } | |
379 | ||
f735a153 JJ |
380 | /* lang_hooks.tree_inlining.convert_parm_for_inlining performs any |
381 | language-specific conversion before assigning VALUE to PARM. */ | |
382 | ||
383 | tree | |
0c20a65f AJ |
384 | lhd_tree_inlining_convert_parm_for_inlining (tree parm ATTRIBUTE_UNUSED, |
385 | tree value, | |
d5123bae MS |
386 | tree fndecl ATTRIBUTE_UNUSED, |
387 | int argnum ATTRIBUTE_UNUSED) | |
f735a153 JJ |
388 | { |
389 | return value; | |
390 | } | |
391 | ||
e11e816e | 392 | /* lang_hooks.tree_dump.dump_tree: Dump language-specific parts of tree |
cc2902df | 393 | nodes. Returns nonzero if it does not want the usual dumping of the |
89d684bb BM |
394 | second argument. */ |
395 | ||
2bd3ecad | 396 | bool |
0c20a65f | 397 | lhd_tree_dump_dump_tree (void *di ATTRIBUTE_UNUSED, tree t ATTRIBUTE_UNUSED) |
89d684bb | 398 | { |
2bd3ecad | 399 | return false; |
89d684bb BM |
400 | } |
401 | ||
e11e816e | 402 | /* lang_hooks.tree_dump.type_qual: Determine type qualifiers in a |
89d684bb BM |
403 | language-specific way. */ |
404 | ||
405 | int | |
0c20a65f | 406 | lhd_tree_dump_type_quals (tree t) |
89d684bb BM |
407 | { |
408 | return TYPE_QUALS (t); | |
409 | } | |
a77a9a18 JM |
410 | |
411 | /* lang_hooks.expr_size: Determine the size of the value of an expression T | |
412 | in a language-specific way. Returns a tree for the size in bytes. */ | |
413 | ||
414 | tree | |
0c20a65f | 415 | lhd_expr_size (tree exp) |
a77a9a18 JM |
416 | { |
417 | if (TREE_CODE_CLASS (TREE_CODE (exp)) == 'd' | |
418 | && DECL_SIZE_UNIT (exp) != 0) | |
419 | return DECL_SIZE_UNIT (exp); | |
420 | else | |
421 | return size_in_bytes (TREE_TYPE (exp)); | |
422 | } | |
16b0d23f | 423 | |
6de9cd9a DN |
424 | /* lang_hooks.gimplify_expr re-writes *EXPR_P into GIMPLE form. */ |
425 | ||
426 | int | |
427 | lhd_gimplify_expr (tree *expr_p ATTRIBUTE_UNUSED, tree *pre_p ATTRIBUTE_UNUSED, | |
428 | tree *post_p ATTRIBUTE_UNUSED) | |
16b0d23f | 429 | { |
6de9cd9a | 430 | return GS_UNHANDLED; |
16b0d23f | 431 | } |
2f51bb1d | 432 | |
d78e771d ZW |
433 | /* lang_hooks.tree_size: Determine the size of a tree with code C, |
434 | which is a language-specific tree code in category 'x'. The | |
435 | default expects never to be called. */ | |
436 | size_t | |
0c20a65f | 437 | lhd_tree_size (enum tree_code c ATTRIBUTE_UNUSED) |
d78e771d | 438 | { |
1c43d3ca | 439 | gcc_unreachable (); |
d78e771d ZW |
440 | } |
441 | ||
e076f71a AH |
442 | /* Return true if decl, which is a function decl, may be called by a |
443 | sibcall. */ | |
444 | ||
445 | bool | |
0c20a65f | 446 | lhd_decl_ok_for_sibcall (tree decl ATTRIBUTE_UNUSED) |
e076f71a AH |
447 | { |
448 | return true; | |
449 | } | |
450 | ||
2f51bb1d | 451 | /* lang_hooks.decls.final_write_globals: perform final processing on |
3dc575ff | 452 | global variables. */ |
2f51bb1d | 453 | void |
0c20a65f | 454 | write_global_declarations (void) |
2f51bb1d MA |
455 | { |
456 | /* Really define vars that have had only a tentative definition. | |
457 | Really output inline functions that must actually be callable | |
458 | and have not been output so far. */ | |
459 | ||
ae2bcd98 | 460 | tree globals = lang_hooks.decls.getdecls (); |
2f51bb1d | 461 | int len = list_length (globals); |
703ad42b | 462 | tree *vec = xmalloc (sizeof (tree) * len); |
2f51bb1d MA |
463 | int i; |
464 | tree decl; | |
465 | ||
466 | /* Process the decls in reverse order--earliest first. | |
467 | Put them into VEC from back to front, then take out from front. */ | |
468 | ||
469 | for (i = 0, decl = globals; i < len; i++, decl = TREE_CHAIN (decl)) | |
470 | vec[len - i - 1] = decl; | |
471 | ||
472 | wrapup_global_declarations (vec, len); | |
473 | ||
474 | check_global_declarations (vec, len); | |
475 | ||
476 | /* Clean up. */ | |
477 | free (vec); | |
478 | } | |
26e0dcb3 | 479 | |
21ecc5a7 GDR |
480 | /* Called to perform language-specific initialization of CTX. */ |
481 | void | |
482 | lhd_initialize_diagnostics (struct diagnostic_context *ctx ATTRIBUTE_UNUSED) | |
483 | { | |
484 | } | |
485 | ||
dba65e79 GDR |
486 | /* The default function to print out name of current function that caused |
487 | an error. */ | |
488 | void | |
489 | lhd_print_error_function (diagnostic_context *context, const char *file) | |
490 | { | |
491 | if (diagnostic_last_function_changed (context)) | |
492 | { | |
493 | const char *old_prefix = context->printer->prefix; | |
494 | char *new_prefix = file ? file_name_as_prefix (file) : NULL; | |
495 | ||
496 | pp_set_prefix (context->printer, new_prefix); | |
497 | ||
498 | if (current_function_decl == NULL) | |
499 | pp_printf (context->printer, "At top level:"); | |
500 | else | |
501 | { | |
502 | if (TREE_CODE (TREE_TYPE (current_function_decl)) == METHOD_TYPE) | |
503 | pp_printf | |
504 | (context->printer, "In member function `%s':", | |
ae2bcd98 | 505 | lang_hooks.decl_printable_name (current_function_decl, 2)); |
dba65e79 GDR |
506 | else |
507 | pp_printf | |
508 | (context->printer, "In function `%s':", | |
ae2bcd98 | 509 | lang_hooks.decl_printable_name (current_function_decl, 2)); |
dba65e79 | 510 | } |
dba65e79 GDR |
511 | |
512 | diagnostic_set_last_function (context); | |
513 | pp_flush (context->printer); | |
514 | context->printer->prefix = old_prefix; | |
515 | free ((char*) new_prefix); | |
516 | } | |
517 | } | |
518 | ||
25c84396 RH |
519 | tree |
520 | lhd_callgraph_analyze_expr (tree *tp ATTRIBUTE_UNUSED, | |
521 | int *walk_subtrees ATTRIBUTE_UNUSED, | |
522 | tree decl ATTRIBUTE_UNUSED) | |
523 | { | |
524 | return NULL; | |
525 | } | |
526 | ||
b9dcdee4 JH |
527 | tree |
528 | lhd_make_node (enum tree_code code) | |
529 | { | |
530 | return make_node (code); | |
531 | } |