c++: namespace-scoped friend in local class [PR69410]

[people/ms/gcc.git] / gcc / flags.h

/* Compilation switch flag definitions for GCC.
   Copyright (C) 1987-2023 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifndef GCC_FLAGS_H
#define GCC_FLAGS_H

#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)

/* Names of fundamental debug info formats indexed by enum
   debug_info_type.  */

extern const char *const debug_type_names[];

/* Get enum debug_info_type of the specified debug format, for error messages.
   Can be used only for individual debug format types.  */

extern enum debug_info_type debug_set_to_format (uint32_t debug_info_set);

/* Get the number of debug formats enabled for output.  */

unsigned int debug_set_count (uint32_t w_symbols);

/* Get the names of the debug formats enabled for output.  */

const char * debug_set_names (uint32_t w_symbols);

#ifndef GENERATOR_FILE
/* Return true iff BTF debug info is enabled.  */

extern bool btf_debuginfo_p ();

/* Return true iff BTF with CO-RE debug info is enabled.  */

extern bool btf_with_core_debuginfo_p ();

/* Return true iff CTF debug info is enabled.  */

extern bool ctf_debuginfo_p ();

/* Return true iff DWARF2 debug info is enabled.  */

extern bool dwarf_debuginfo_p (struct gcc_options *opts = &global_options);

/* Return true iff the debug info format is to be generated based on DWARF
   DIEs (like CTF and BTF debug info formats).  */

extern bool dwarf_based_debuginfo_p ();
#endif

extern void strip_off_ending (char *, int);
extern int base_of_path (const char *path, const char **base_out);

/* Return true iff flags are set as if -ffast-math.  */
extern bool fast_math_flags_set_p (const struct gcc_options *);
extern bool fast_math_flags_struct_set_p (struct cl_optimization *);

\f
/* Now the symbols that are set with `-f' switches.  */

/* True if printing into -fdump-final-insns= dump.  */

extern bool final_insns_dump_p;

\f
/* Other basic status info about current function.  */

class target_flag_state
{
public:
  /* Each falign-foo can generate up to two levels of alignment:
     -falign-foo=N:M[:N2:M2] */
  align_flags x_align_loops;
  align_flags x_align_jumps;
  align_flags x_align_labels;
  align_flags x_align_functions;
};

extern class target_flag_state default_target_flag_state;
#if SWITCHABLE_TARGET
extern class target_flag_state *this_target_flag_state;
#else
#define this_target_flag_state (&default_target_flag_state)
#endif

#define align_loops	 (this_target_flag_state->x_align_loops)
#define align_jumps	 (this_target_flag_state->x_align_jumps)
#define align_labels	 (this_target_flag_state->x_align_labels)
#define align_functions	 (this_target_flag_state->x_align_functions)

/* Returns TRUE if generated code should match ABI version N or
   greater is in use.  */

#define abi_version_at_least(N) \
  (flag_abi_version == 0 || flag_abi_version >= (N))

/* Whether to emit an overflow warning whose code is C.  */
#define issue_strict_overflow_warning(c) (warn_strict_overflow >= (int) (c))

#endif /* ! in target library */

#endif /* ! GCC_FLAGS_H */