GCC Middle and Back End API Reference
flags.h
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1/* Compilation switch flag definitions for GCC.
2 Copyright (C) 1987-2024 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3. If not see
18<http://www.gnu.org/licenses/>. */
19
20#ifndef GCC_FLAGS_H
21#define GCC_FLAGS_H
22
23#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
24
25/* Names of fundamental debug info formats indexed by enum
26 debug_info_type. */
27
28extern const char *const debug_type_names[];
29
30/* Get enum debug_info_type of the specified debug format, for error messages.
31 Can be used only for individual debug format types. */
32
34
35/* Get the number of debug formats enabled for output. */
36
38
39/* Get the names of the debug formats enabled for output. */
40
42
43#ifndef GENERATOR_FILE
44/* Return true iff BTF debug info is enabled. */
45
46extern bool btf_debuginfo_p ();
47
48/* Return true iff BTF with CO-RE debug info is enabled. */
49
50extern bool btf_with_core_debuginfo_p ();
51
52/* Return true iff CTF debug info is enabled. */
53
54extern bool ctf_debuginfo_p ();
55
56/* Return true iff DWARF2 debug info is enabled. */
57
58extern bool dwarf_debuginfo_p (struct gcc_options *opts = &global_options);
59
60/* Return true iff the debug info format is to be generated based on DWARF
61 DIEs (like CTF and BTF debug info formats). */
62
63extern bool dwarf_based_debuginfo_p ();
64#endif
65
66extern void strip_off_ending (char *, int);
67extern int base_of_path (const char *path, const char **base_out);
68
69/* Return true iff flags are set as if -ffast-math. */
70extern bool fast_math_flags_set_p (const struct gcc_options *);
72
73
74/* Now the symbols that are set with `-f' switches. */
75
76/* True if printing into -fdump-final-insns= dump. */
77
78extern bool final_insns_dump_p;
79
80
81/* Other basic status info about current function. */
82
84{
85public:
86 /* Each falign-foo can generate up to two levels of alignment:
87 -falign-foo=N:M[:N2:M2] */
92};
93
95#if SWITCHABLE_TARGET
97#else
98#define this_target_flag_state (&default_target_flag_state)
99#endif
100
101#define align_loops (this_target_flag_state->x_align_loops)
102#define align_jumps (this_target_flag_state->x_align_jumps)
103#define align_labels (this_target_flag_state->x_align_labels)
104#define align_functions (this_target_flag_state->x_align_functions)
105
106/* Returns TRUE if generated code should match ABI version N or
107 greater is in use. */
108
109#define abi_version_at_least(N) \
110 (flag_abi_version == 0 || flag_abi_version >= (N))
111
112/* Whether to emit an overflow warning whose code is C. */
113#define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))
114
115#endif /* ! in target library */
116
117#endif /* ! GCC_FLAGS_H */
Definition align.h:49
Definition flags.h:84
align_flags x_align_loops
Definition flags.h:88
align_flags x_align_functions
Definition flags.h:91
align_flags x_align_labels
Definition flags.h:90
align_flags x_align_jumps
Definition flags.h:89
debug_info_type
Definition flag-types.h:26
#define this_target_flag_state
Definition flags.h:98
bool fast_math_flags_struct_set_p(struct cl_optimization *)
Definition opts.cc:3445
void strip_off_ending(char *, int)
Definition opts.cc:289
bool btf_debuginfo_p()
Definition opts.cc:144
bool btf_with_core_debuginfo_p()
Definition opts.cc:152
class target_flag_state default_target_flag_state
Definition toplev.cc:152
const char * debug_set_names(uint32_t w_symbols)
Definition opts.cc:110
bool dwarf_debuginfo_p(struct gcc_options *opts=&global_options)
Definition opts.cc:168
bool ctf_debuginfo_p()
Definition opts.cc:160
bool final_insns_dump_p
Definition final.cc:186
int base_of_path(const char *path, const char **base_out)
Definition opts.cc:305
unsigned int debug_set_count(uint32_t w_symbols)
Definition opts.cc:96
bool fast_math_flags_set_p(const struct gcc_options *)
Definition opts.cc:3432
const char *const debug_type_names[]
Definition opts.cc:54
enum debug_info_type debug_set_to_format(uint32_t debug_info_set)
Definition opts.cc:77
bool dwarf_based_debuginfo_p()
Definition opts.cc:176
T * ggc_alloc(ALONE_CXX_MEM_STAT_INFO)
Definition ggc.h:184
#define global_options
Definition opts.cc:184