1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef GCC_COMMON_H_INCLUDED
  3#define GCC_COMMON_H_INCLUDED
  4
  5#include "bversion.h"
  6#if BUILDING_GCC_VERSION >= 6000
  7#include "gcc-plugin.h"
  8#else
  9#include "plugin.h"
 10#endif
 11#include "plugin-version.h"
 12#include "config.h"
 13#include "system.h"
 14#include "coretypes.h"
 15#include "tm.h"
 16#include "line-map.h"
 17#include "input.h"
 18#include "tree.h"
 19
 20#include "tree-inline.h"
 21#include "version.h"
 22#include "rtl.h"
 23#include "tm_p.h"
 24#include "flags.h"
 25#include "hard-reg-set.h"
 26#include "output.h"
 27#include "except.h"
 28#include "function.h"
 29#include "toplev.h"
 30#include "expr.h"
 31#include "basic-block.h"
 32#include "intl.h"
 33#include "ggc.h"
 34#include "timevar.h"
 35
 36#if BUILDING_GCC_VERSION < 10000
 37#include "params.h"
 38#endif
 39
 40#include "hash-map.h"
 41
 42#if BUILDING_GCC_VERSION >= 7000
 43#include "memmodel.h"
 44#endif
 45#include "emit-rtl.h"
 46#include "debug.h"
 47#include "target.h"
 48#include "langhooks.h"
 49#include "cfgloop.h"
 50#include "cgraph.h"
 51#include "opts.h"
 52#include "tree-pretty-print.h"
 53#include "gimple-pretty-print.h"
 54#include "c-family/c-common.h"
 55#include "tree-cfgcleanup.h"
 56#include "tree-ssa-operands.h"
 57#include "tree-into-ssa.h"
 58#include "is-a.h"
 59#include "diagnostic.h"
 60#include "tree-dump.h"
 61#include "tree-pass.h"
 62#include "pass_manager.h"
 63#include "predict.h"
 64#include "ipa-utils.h"
 65#include "stringpool.h"
 66#include "attribs.h"
 67#include "varasm.h"
 68#include "stor-layout.h"
 69#include "internal-fn.h"
 70#include "gimple.h"
 71#include "gimple-expr.h"
 72#include "gimple-iterator.h"
 73#include "gimple-fold.h"
 74#include "context.h"
 75#include "tree-ssa-alias.h"
 76#include "tree-ssa.h"
 77#if BUILDING_GCC_VERSION >= 7000
 78#include "tree-vrp.h"
 79#endif
 80#include "tree-ssanames.h"
 81#include "print-tree.h"
 82#include "tree-eh.h"
 83#include "stmt.h"
 84#include "gimplify.h"
 85#include "tree-phinodes.h"
 86#include "tree-cfg.h"
 87#include "gimple-ssa.h"
 88#include "ssa-iterators.h"
 89
 90#include "builtins.h"
 91
 92/* missing from basic_block.h... */
 93void debug_dominance_info(enum cdi_direction dir);
 94void debug_dominance_tree(enum cdi_direction dir, basic_block root);
 95
 96#ifndef __unused
 97#define __unused __attribute__((__unused__))
 98#endif
 99#ifndef __visible
100#define __visible __attribute__((visibility("default")))
101#endif
102
103#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
104#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
105#define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
106#define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
107
108/* should come from c-tree.h if only it were installed for gcc 4.5... */
109#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
110
111static inline tree build_const_char_string(int len, const char *str)
112{
113	tree cstr, elem, index, type;
114
115	cstr = build_string(len, str);
116	elem = build_type_variant(char_type_node, 1, 0);
117	index = build_index_type(size_int(len - 1));
118	type = build_array_type(elem, index);
119	TREE_TYPE(cstr) = type;
120	TREE_CONSTANT(cstr) = 1;
121	TREE_READONLY(cstr) = 1;
122	TREE_STATIC(cstr) = 1;
123	return cstr;
124}
125
126#define PASS_INFO(NAME, REF, ID, POS)		\
127struct register_pass_info NAME##_pass_info = {	\
128	.pass = make_##NAME##_pass(),		\
129	.reference_pass_name = REF,		\
130	.ref_pass_instance_number = ID,		\
131	.pos_op = POS,				\
132}
133
134#define add_referenced_var(var)
135#define mark_sym_for_renaming(var)
136#define varpool_mark_needed_node(node)
137#define create_var_ann(var)
138#define TODO_dump_func 0
139#define TODO_dump_cgraph 0
140
141#define TODO_ggc_collect 0
142#define NODE_SYMBOL(node) (node)
143#define NODE_DECL(node) (node)->decl
144#define cgraph_node_name(node) (node)->name()
145#define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
146
147static inline opt_pass *get_pass_for_id(int id)
148{
149	return g->get_passes()->get_pass_for_id(id);
150}
151
152#if BUILDING_GCC_VERSION < 6000
153/* gimple related */
154template <>
155template <>
156inline bool is_a_helper<const gassign *>::test(const_gimple gs)
157{
158	return gs->code == GIMPLE_ASSIGN;
159}
160#endif
161
162#define TODO_verify_ssa TODO_verify_il
163#define TODO_verify_flow TODO_verify_il
164#define TODO_verify_stmts TODO_verify_il
165#define TODO_verify_rtl_sharing TODO_verify_il
166
167#define INSN_DELETED_P(insn) (insn)->deleted()
168
169static inline const char *get_decl_section_name(const_tree decl)
170{
171	return DECL_SECTION_NAME(decl);
172}
173
174/* symtab/cgraph related */
175#define debug_cgraph_node(node) (node)->debug()
176#define cgraph_get_node(decl) cgraph_node::get(decl)
177#define cgraph_get_create_node(decl) cgraph_node::get_create(decl)
178#define cgraph_create_node(decl) cgraph_node::create(decl)
179#define cgraph_n_nodes symtab->cgraph_count
180#define cgraph_max_uid symtab->cgraph_max_uid
181#define varpool_get_node(decl) varpool_node::get(decl)
182#define dump_varpool_node(file, node) (node)->dump(file)
183
184#if BUILDING_GCC_VERSION >= 8000
185#define cgraph_create_edge(caller, callee, call_stmt, count, freq) \
186	(caller)->create_edge((callee), (call_stmt), (count))
187
188#define cgraph_create_edge_including_clones(caller, callee,	\
189		old_call_stmt, call_stmt, count, freq, reason)	\
190	(caller)->create_edge_including_clones((callee),	\
191		(old_call_stmt), (call_stmt), (count), (reason))
192#else
193#define cgraph_create_edge(caller, callee, call_stmt, count, freq) \
194	(caller)->create_edge((callee), (call_stmt), (count), (freq))
195
196#define cgraph_create_edge_including_clones(caller, callee,	\
197		old_call_stmt, call_stmt, count, freq, reason)	\
198	(caller)->create_edge_including_clones((callee),	\
199		(old_call_stmt), (call_stmt), (count), (freq), (reason))
200#endif
201
202typedef struct cgraph_node *cgraph_node_ptr;
203typedef struct cgraph_edge *cgraph_edge_p;
204typedef struct varpool_node *varpool_node_ptr;
205
206static inline void change_decl_assembler_name(tree decl, tree name)
207{
208	symtab->change_decl_assembler_name(decl, name);
209}
210
211static inline void varpool_finalize_decl(tree decl)
212{
213	varpool_node::finalize_decl(decl);
214}
215
216static inline void varpool_add_new_variable(tree decl)
217{
218	varpool_node::add(decl);
219}
220
221static inline unsigned int rebuild_cgraph_edges(void)
222{
223	return cgraph_edge::rebuild_edges();
224}
225
226static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability)
227{
228	return node->function_symbol(availability);
229}
230
231static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL)
232{
233	return node->ultimate_alias_target(availability);
234}
235
236static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node)
237{
238	return node->only_called_directly_p();
239}
240
241static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node)
242{
243	return node->get_availability();
244}
245
246static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
247{
248	return node->get_alias_target();
249}
250
251static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
252{
253	return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
254}
255
256static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
257{
258	return symtab->add_cgraph_insertion_hook(hook, data);
259}
260
261static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry)
262{
263	symtab->remove_cgraph_insertion_hook(entry);
264}
265
266static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data)
267{
268	return symtab->add_cgraph_removal_hook(hook, data);
269}
270
271static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry)
272{
273	symtab->remove_cgraph_removal_hook(entry);
274}
275
276static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
277{
278	return symtab->add_cgraph_duplication_hook(hook, data);
279}
280
281static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)
282{
283	symtab->remove_cgraph_duplication_hook(entry);
284}
285
286static inline void cgraph_call_node_duplication_hooks(cgraph_node_ptr node, cgraph_node_ptr node2)
287{
288	symtab->call_cgraph_duplication_hooks(node, node2);
289}
290
291static inline void cgraph_call_edge_duplication_hooks(cgraph_edge *cs1, cgraph_edge *cs2)
292{
293	symtab->call_edge_duplication_hooks(cs1, cs2);
294}
295
296#if BUILDING_GCC_VERSION >= 6000
297typedef gimple *gimple_ptr;
298typedef const gimple *const_gimple_ptr;
299#define gimple gimple_ptr
300#define const_gimple const_gimple_ptr
301#undef CONST_CAST_GIMPLE
302#define CONST_CAST_GIMPLE(X) CONST_CAST(gimple, (X))
303#endif
304
305/* gimple related */
306static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL)
307{
308	return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
309}
310
311#if BUILDING_GCC_VERSION < 10000
312template <>
313template <>
314inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
315{
316	return gs->code == GIMPLE_GOTO;
317}
318
319template <>
320template <>
321inline bool is_a_helper<const greturn *>::test(const_gimple gs)
322{
323	return gs->code == GIMPLE_RETURN;
324}
325#endif
326
327static inline gasm *as_a_gasm(gimple stmt)
328{
329	return as_a<gasm *>(stmt);
330}
331
332static inline const gasm *as_a_const_gasm(const_gimple stmt)
333{
334	return as_a<const gasm *>(stmt);
335}
336
337static inline gassign *as_a_gassign(gimple stmt)
338{
339	return as_a<gassign *>(stmt);
340}
341
342static inline const gassign *as_a_const_gassign(const_gimple stmt)
343{
344	return as_a<const gassign *>(stmt);
345}
346
347static inline gcall *as_a_gcall(gimple stmt)
348{
349	return as_a<gcall *>(stmt);
350}
351
352static inline const gcall *as_a_const_gcall(const_gimple stmt)
353{
354	return as_a<const gcall *>(stmt);
355}
356
357static inline ggoto *as_a_ggoto(gimple stmt)
358{
359	return as_a<ggoto *>(stmt);
360}
361
362static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
363{
364	return as_a<const ggoto *>(stmt);
365}
366
367static inline gphi *as_a_gphi(gimple stmt)
368{
369	return as_a<gphi *>(stmt);
370}
371
372static inline const gphi *as_a_const_gphi(const_gimple stmt)
373{
374	return as_a<const gphi *>(stmt);
375}
376
377static inline greturn *as_a_greturn(gimple stmt)
378{
379	return as_a<greturn *>(stmt);
380}
381
382static inline const greturn *as_a_const_greturn(const_gimple stmt)
383{
384	return as_a<const greturn *>(stmt);
385}
386
387/* IPA/LTO related */
388#define ipa_ref_list_referring_iterate(L, I, P)	\
389	(L)->referring.iterate((I), &(P))
390#define ipa_ref_list_reference_iterate(L, I, P)	\
391	(L)->reference.iterate((I), &(P))
392
393static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref)
394{
395	return dyn_cast<cgraph_node_ptr>(ref->referring);
396}
397
398static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt)
399{
400	referring_node->remove_stmt_references(stmt);
401}
402
403#if BUILDING_GCC_VERSION < 6000
404#define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
405	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, pvolatilep, keep_aligning)
406#define gen_rtx_set(ARG0, ARG1) gen_rtx_SET(VOIDmode, (ARG0), (ARG1))
407#endif
408
409#if BUILDING_GCC_VERSION >= 6000
410#define gen_rtx_set(ARG0, ARG1) gen_rtx_SET((ARG0), (ARG1))
411#endif
412
413#ifdef __cplusplus
414static inline void debug_tree(const_tree t)
415{
416	debug_tree(CONST_CAST_TREE(t));
417}
418
419static inline void debug_gimple_stmt(const_gimple s)
420{
421	debug_gimple_stmt(CONST_CAST_GIMPLE(s));
422}
423#else
424#define debug_tree(t) debug_tree(CONST_CAST_TREE(t))
425#define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
426#endif
427
428#if BUILDING_GCC_VERSION >= 7000
429#define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)	\
430	get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
431#endif
432
433#if BUILDING_GCC_VERSION < 7000
434#define SET_DECL_ALIGN(decl, align)	DECL_ALIGN(decl) = (align)
435#define SET_DECL_MODE(decl, mode)	DECL_MODE(decl) = (mode)
436#endif
437
438#if BUILDING_GCC_VERSION >= 14000
439#define last_stmt(x)			last_nondebug_stmt(x)
440#endif
441
442#endif