/* toplev.h - Various declarations for functions found in toplev.c
- Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007
+ 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 2, or (at your option) any later
+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
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_TOPLEV_H
#define GCC_TOPLEV_H
-
-#ifdef ANSI_PROTOTYPES
-union tree_node;
-struct rtx_def;
-#endif
+#include "input.h"
/* If non-NULL, return one past-the-end of the matching SUBPART of
the WHOLE string. */
#define skip_leading_substring(whole, part) \
(strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
-extern int toplev_main PARAMS ((int argc, char **argv));
-extern int read_integral_parameter PARAMS ((const char *, const char *,
- const int));
-extern int count_error PARAMS ((int));
-extern void strip_off_ending PARAMS ((char *, int));
-extern void print_time PARAMS ((const char *, long));
-extern const char *trim_filename PARAMS ((const char *));
-extern void internal_error PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1
- ATTRIBUTE_NORETURN;
-extern void fatal_io_error PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1
- ATTRIBUTE_NORETURN;
-extern void _fatal_insn_not_found PARAMS ((struct rtx_def *,
- const char *, int,
- const char *))
- ATTRIBUTE_NORETURN;
-extern void _fatal_insn PARAMS ((const char *,
- struct rtx_def *,
- const char *, int,
- const char *))
- ATTRIBUTE_NORETURN;
+extern int toplev_main (unsigned int, const char **);
+extern int read_integral_parameter (const char *, const char *, const int);
+extern void strip_off_ending (char *, int);
+extern const char *trim_filename (const char *);
+extern void _fatal_insn_not_found (const_rtx, const char *, int, const char *)
+ ATTRIBUTE_NORETURN;
+extern void _fatal_insn (const char *, const_rtx, const char *, int, const char *)
+ ATTRIBUTE_NORETURN;
#define fatal_insn(msgid, insn) \
_fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__)
#define fatal_insn_not_found(insn) \
_fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__)
-extern void warning PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-extern void error PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-extern void fatal_error PARAMS ((const char *, ...))
- ATTRIBUTE_NORETURN
- ATTRIBUTE_PRINTF_1;
-extern void pedwarn PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-extern void pedwarn_with_file_and_line PARAMS ((const char *, int,
- const char *, ...))
- ATTRIBUTE_PRINTF_3;
-extern void warning_with_file_and_line PARAMS ((const char *, int,
- const char *, ...))
- ATTRIBUTE_PRINTF_3;
-extern void error_with_file_and_line PARAMS ((const char *, int,
- const char *, ...))
- ATTRIBUTE_PRINTF_3;
-extern void sorry PARAMS ((const char *, ...))
- ATTRIBUTE_PRINTF_1;
-extern void report_error_function PARAMS ((const char *));
-
-extern void rest_of_decl_compilation PARAMS ((union tree_node *,
- const char *, int, int));
-extern void rest_of_type_compilation PARAMS ((union tree_node *, int));
-extern void rest_of_compilation PARAMS ((union tree_node *));
-
-/* The *_with_decl functions aren't suitable for ATTRIBUTE_PRINTF. */
-extern void pedwarn_with_decl PARAMS ((union tree_node *,
- const char *, ...));
-extern void warning_with_decl PARAMS ((union tree_node *,
- const char *, ...));
-extern void error_with_decl PARAMS ((union tree_node *,
- const char *, ...));
-
-extern void announce_function PARAMS ((union tree_node *));
-
-extern void error_for_asm PARAMS ((struct rtx_def *,
- const char *, ...))
- ATTRIBUTE_PRINTF_2;
-extern void warning_for_asm PARAMS ((struct rtx_def *,
- const char *, ...))
- ATTRIBUTE_PRINTF_2;
-extern int do_float_handler PARAMS ((void (*) (PTR), PTR));
+/* If we haven't already defined a frontend specific diagnostics
+ style, use the generic one. */
+#ifndef GCC_DIAG_STYLE
+#define GCC_DIAG_STYLE __gcc_tdiag__
+#endif
+/* None of these functions are suitable for ATTRIBUTE_PRINTF, because
+ each language front end can extend them with its own set of format
+ specifiers. We must use custom format checks. */
+#if GCC_VERSION >= 4001
+#define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
+#else
+#define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
+#endif
+extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+ ATTRIBUTE_NORETURN;
+/* Pass one of the OPT_W* from options.h as the first parameter. */
+extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern bool warning_at (location_t, int, const char *, ...)
+ ATTRIBUTE_GCC_DIAG(3,4);
+extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+ ATTRIBUTE_NORETURN;
+/* Pass one of the OPT_W* from options.h as the second parameter. */
+extern bool pedwarn (location_t, int, const char *, ...)
+ ATTRIBUTE_GCC_DIAG(3,4);
+extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+
+extern void rest_of_decl_compilation (tree, int, int);
+extern void rest_of_type_compilation (tree, int);
+extern void tree_rest_of_compilation (tree);
+extern void init_optimization_passes (void);
+extern void finish_optimization_passes (void);
+extern bool enable_rtl_dump_file (void);
+
+extern void announce_function (tree);
+
+extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void warn_deprecated_use (tree);
+extern bool parse_optimize_options (tree, bool);
#ifdef BUFSIZ
-extern void output_quoted_string PARAMS ((FILE *, const char *));
-extern void output_file_directive PARAMS ((FILE *, const char *));
+extern void output_quoted_string (FILE *, const char *);
+extern void output_file_directive (FILE *, const char *);
#endif
-extern void do_abort PARAMS ((void)) ATTRIBUTE_NORETURN;
-extern void botch PARAMS ((const char *))
- ATTRIBUTE_NORETURN;
#ifdef BUFSIZ
-extern void fnotice PARAMS ((FILE *, const char *, ...))
- ATTRIBUTE_PRINTF_2;
+ /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
+ therefore it can have ATTRIBUTE_PRINTF. */
+extern void fnotice (FILE *, const char *, ...)
+ ATTRIBUTE_PRINTF_2;
#endif
-extern int wrapup_global_declarations PARAMS ((union tree_node **, int));
-extern void check_global_declarations PARAMS ((union tree_node **, int));
+extern void wrapup_global_declaration_1 (tree);
+extern bool wrapup_global_declaration_2 (tree);
+extern bool wrapup_global_declarations (tree *, int);
+extern void check_global_declaration_1 (tree);
+extern void check_global_declarations (tree *, int);
+extern void emit_debug_global_declarations (tree *, int);
+extern void write_global_declarations (void);
+
+extern void dump_memory_report (bool);
+
+extern void target_reinit (void);
+
+/* A unique local time stamp, might be zero if none is available. */
+extern unsigned local_tick;
extern const char *progname;
extern const char *dump_base_name;
+extern const char *aux_base_name;
+extern const char *aux_info_file_name;
+extern const char *profile_data_prefix;
+extern const char *asm_file_name;
+extern bool exit_after_options;
+
+/* True if the user has tagged the function with the 'section'
+ attribute. */
+
+extern bool user_defined_section_attribute;
+
+/* See toplev.c. */
+extern int flag_crossjumping;
+extern int flag_if_conversion;
+extern int flag_if_conversion2;
+extern int flag_keep_static_consts;
+extern int flag_peel_loops;
+extern int flag_rerun_cse_after_loop;
+extern int flag_thread_jumps;
+extern int flag_tracer;
+extern int flag_unroll_loops;
+extern int flag_unroll_all_loops;
+extern int flag_unswitch_loops;
+extern int flag_cprop_registers;
+extern int time_report;
+extern int flag_ira;
+extern int flag_ira_coalesce;
+extern int flag_ira_move_spills;
+extern int flag_ira_share_save_slots;
+extern int flag_ira_share_spill_slots;
+
+/* Things to do with target switches. */
+extern void print_version (FILE *, const char *);
+extern void * default_get_pch_validity (size_t *);
+extern const char * default_pch_valid_p (const void *, size_t);
-/* Language-specific hooks. Can be NULL unless otherwise specified. */
-struct lang_hooks
-{
- /* Called first, to initialize the front end. */
- void (*init) PARAMS ((void));
+/* The hashtable, so that the C front ends can pass it to cpplib. */
+extern struct ht *ident_hash;
- /* Called last, as a finalizer. */
- void (*finish) PARAMS ((void));
+/* This function can be used by targets to set the flags originally
+ implied by -ffast-math and -fno-fast-math. */
- /* Called to initialize options, before any calls to decode_option. */
- void (*init_options) PARAMS ((void));
+extern void set_fast_math_flags (int);
- /* Function called with an option vector as argument, to decode a
- single option (typically starting with -f or -W or +). It should
- return the number of command-line arguments it uses if it handles
- the option, or 0 and not complain if it does not recognise the
- option. If this function returns a negative number, then its
- absolute value is the number of command-line arguments used, but,
- in addition, no language-independent option processing should be
- done for this option.
+extern void set_unsafe_math_optimizations_flags (int);
- This hook cannot be NULL. */
- int (*decode_option) PARAMS ((int, char **));
+/* Handle -d switch. */
+extern void decode_d_option (const char *);
- /* Called when all command line options have been processed. */
- void (*post_options) PARAMS ((void));
-};
+/* Return true iff flags are set as if -ffast-math. */
+extern bool fast_math_flags_set_p (void);
+extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
-/* Each front end provides its own. */
-extern struct lang_hooks lang_hooks;
+/* Return log2, or -1 if not exact. */
+extern int exact_log2 (unsigned HOST_WIDE_INT);
-/* The hashtable, so that the C front ends can pass it to cpplib. */
-extern struct ht *ident_hash;
+/* Return floor of log2, with -1 for zero. */
+extern int floor_log2 (unsigned HOST_WIDE_INT);
-/* These functions can be used by targets to set the flags originally
- implied by -ffast-math and -fno-fast-math. */
+/* Inline versions of the above for speed. */
+#if GCC_VERSION >= 3004
+# if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
+# define CLZ_HWI __builtin_clzl
+# define CTZ_HWI __builtin_ctzl
+# elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
+# define CLZ_HWI __builtin_clzll
+# define CTZ_HWI __builtin_ctzll
+# else
+# define CLZ_HWI __builtin_clz
+# define CTZ_HWI __builtin_ctz
+# endif
-extern void set_fast_math_flags PARAMS ((void));
-extern void set_no_fast_math_flags PARAMS ((void));
+extern inline int
+floor_log2 (unsigned HOST_WIDE_INT x)
+{
+ return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
+}
-/* The following functions accept a wide integer argument. Rather
- than having to cast on every function call, we use a macro instead. */
+extern inline int
+exact_log2 (unsigned HOST_WIDE_INT x)
+{
+ return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
+}
+#endif /* GCC_VERSION >= 3004 */
-#ifndef exact_log2
-#define exact_log2(N) exact_log2_wide ((unsigned HOST_WIDE_INT) (N))
-#define floor_log2(N) floor_log2_wide ((unsigned HOST_WIDE_INT) (N))
-#endif
-extern int exact_log2_wide PARAMS ((unsigned HOST_WIDE_INT));
-extern int floor_log2_wide PARAMS ((unsigned HOST_WIDE_INT));
+/* Functions used to get and set GCC's notion of in what directory
+ compilation was started. */
+
+extern const char *get_src_pwd (void);
+extern bool set_src_pwd (const char *);
+
+/* Functions used to manipulate the random seed. */
+
+extern const char *get_random_seed (bool);
+extern const char *set_random_seed (const char *);
#endif /* ! GCC_TOPLEV_H */