/* Compilation switch flag type definitions for GCC.
   Copyright (C) 1987, 1988, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   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_FLAG_TYPES_H
#define GCC_FLAG_TYPES_H

enum debug_info_type
{
  NO_DEBUG,	    /* Write no debug info.  */
  DBX_DEBUG,	    /* Write BSD .stabs for DBX (using dbxout.c).  */
  SDB_DEBUG,	    /* Write COFF for (old) SDB (using sdbout.c).  */
  DWARF2_DEBUG,	    /* Write Dwarf v2 debug info (using dwarf2out.c).  */
  XCOFF_DEBUG,	    /* Write IBM/Xcoff debug info (using dbxout.c).  */
  VMS_DEBUG,        /* Write VMS debug info (using vmsdbgout.c).  */
  VMS_AND_DWARF2_DEBUG /* Write VMS debug info (using vmsdbgout.c).
                          and DWARF v2 debug info (using dwarf2out.c).  */
};

enum debug_info_level
{
  DINFO_LEVEL_NONE,	/* Write no debugging info.  */
  DINFO_LEVEL_TERSE,	/* Write minimal info to support tracebacks only.  */
  DINFO_LEVEL_NORMAL,	/* Write info for all declarations (and line table).  */
  DINFO_LEVEL_VERBOSE	/* Write normal info plus #define/#undef info.  */
};

/* A major contribution to object and executable size is debug
   information size.  A major contribution to debug information
   size is struct descriptions replicated in several object files.
   The following function determines whether or not debug information
   should be generated for a given struct.  The indirect parameter
   indicates that the struct is being handled indirectly, via
   a pointer.  See opts.c for the implementation. */

enum debug_info_usage
{
  DINFO_USAGE_DFN,	/* A struct definition. */
  DINFO_USAGE_DIR_USE,	/* A direct use, such as the type of a variable. */
  DINFO_USAGE_IND_USE,	/* An indirect use, such as through a pointer. */
  DINFO_USAGE_NUM_ENUMS	/* The number of enumerators. */
};

/* Enumerate visibility settings.  This is deliberately ordered from most
   to least visibility.  */
#ifndef SYMBOL_VISIBILITY_DEFINED
#define SYMBOL_VISIBILITY_DEFINED
enum symbol_visibility
{
  VISIBILITY_DEFAULT,
  VISIBILITY_PROTECTED,
  VISIBILITY_HIDDEN,
  VISIBILITY_INTERNAL
};
#endif

struct visibility_flags
{
  unsigned inpragma : 1;	/* True when in #pragma GCC visibility.  */
  unsigned inlines_hidden : 1;	/* True when -finlineshidden in effect.  */
};

/* The algorithm used for the integrated register allocator (IRA).  */
enum ira_algorithm
{
  IRA_ALGORITHM_CB,
  IRA_ALGORITHM_PRIORITY
};

/* The regions used for the integrated register allocator (IRA).  */
enum ira_region
{
  IRA_REGION_ONE,
  IRA_REGION_ALL,
  IRA_REGION_MIXED
};

/* The options for excess precision.  */
enum excess_precision
{
  EXCESS_PRECISION_DEFAULT,
  EXCESS_PRECISION_FAST,
  EXCESS_PRECISION_STANDARD
};

/* Selection of the graph form.  */
enum graph_dump_types
{
  no_graph = 0,
  vcg
};

/* Type of stack check.  */
enum stack_check_type
{
  /* Do not check the stack.  */
  NO_STACK_CHECK = 0,

  /* Check the stack generically, i.e. assume no specific support
     from the target configuration files.  */
  GENERIC_STACK_CHECK,

  /* Check the stack and rely on the target configuration files to
     check the static frame of functions, i.e. use the generic
     mechanism only for dynamic stack allocations.  */
  STATIC_BUILTIN_STACK_CHECK,

  /* Check the stack and entirely rely on the target configuration
     files, i.e. do not use the generic mechanism at all.  */
  FULL_BUILTIN_STACK_CHECK
};

/* Names for the different levels of -Wstrict-overflow=N.  The numeric
   values here correspond to N.  */

enum warn_strict_overflow_code
{
  /* Overflow warning that should be issued with -Wall: a questionable
     construct that is easy to avoid even when using macros.  Example:
     folding (x + CONSTANT > x) to 1.  */
  WARN_STRICT_OVERFLOW_ALL = 1,
  /* Overflow warning about folding a comparison to a constant because
     of undefined signed overflow, other than cases covered by
     WARN_STRICT_OVERFLOW_ALL.  Example: folding (abs (x) >= 0) to 1
     (this is false when x == INT_MIN).  */
  WARN_STRICT_OVERFLOW_CONDITIONAL = 2,
  /* Overflow warning about changes to comparisons other than folding
     them to a constant.  Example: folding (x + 1 > 1) to (x > 0).  */
  WARN_STRICT_OVERFLOW_COMPARISON = 3,
  /* Overflow warnings not covered by the above cases.  Example:
     folding ((x * 10) / 5) to (x * 2).  */
  WARN_STRICT_OVERFLOW_MISC = 4,
  /* Overflow warnings about reducing magnitude of constants in
     comparison.  Example: folding (x + 2 > y) to (x + 1 >= y).  */
  WARN_STRICT_OVERFLOW_MAGNITUDE = 5
};

/* Floating-point contraction mode.  */
enum fp_contract_mode {
  FP_CONTRACT_OFF = 0,
  FP_CONTRACT_ON = 1,
  FP_CONTRACT_FAST = 2
};

#endif /* ! GCC_FLAG_TYPES_H */