/* toplev.h - Various declarations for functions found in toplev.c
- Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_TOPLEV_H
#define GCC_TOPLEV_H
-#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 (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__)
-
-/* 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 fatal_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 pedwarn (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
-extern bool pedwarn_at (location_t, int, const char *, ...)
- ATTRIBUTE_GCC_DIAG(3,4);
-extern bool permerror (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
-extern bool permerror_at (location_t, const char *, ...)
- ATTRIBUTE_GCC_DIAG(2,3);
-extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
-extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
-extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+
+/* Decoded options, and number of such options. */
+extern struct cl_decoded_option *save_decoded_options;
+extern unsigned int save_decoded_options_count;
+
+class timer;
+
+/* Invoking the compiler. */
+class toplev
+{
+public:
+ toplev (timer *external_timer,
+ bool init_signals);
+ ~toplev ();
+
+ int main (int argc, char **argv);
+
+ void finalize ();
+
+private:
+
+ void start_timevars ();
+
+ void run_self_tests ();
+
+ bool m_use_TV_TOTAL;
+ bool m_init_signals;
+};
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 (FILE *, const char *);
-extern void output_file_directive (FILE *, const char *);
-#endif
+/* In except.c. Initialize exception handling. This is used by the Ada
+ and LTO front ends to initialize EH "on demand". See lto-streamer-in.c
+ and ada/gcc-interface/misc.c. */
+extern void init_eh (void);
-#ifdef BUFSIZ
- /* 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 void announce_function (tree);
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 global_decl_processing (void);
+
+extern void
+dump_memory_report (const char *);
+extern void dump_profile_report (void);
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;
-
-/* 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);
+extern int flag_rerun_cse_after_global_opts;
+
+extern void print_version (FILE *, const char *, bool);
/* The hashtable, so that the C front ends can pass it to cpplib. */
extern struct ht *ident_hash;
-/* This function can be used by targets to set the flags originally
- implied by -ffast-math and -fno-fast-math. */
-
-extern void set_fast_math_flags (int);
-
-extern void set_unsafe_math_optimizations_flags (int);
-
-/* Handle -d switch. */
-extern void decode_d_option (const char *);
-
-/* 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 *);
-
-/* Return log2, or -1 if not exact. */
-extern int exact_log2 (unsigned HOST_WIDE_INT);
-
-/* Return floor of log2, with -1 for zero. */
-extern int floor_log2 (unsigned HOST_WIDE_INT);
-
-/* 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 inline int
-floor_log2 (unsigned HOST_WIDE_INT x)
-{
- return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
-}
-
-extern inline int
-exact_log2 (unsigned HOST_WIDE_INT x)
-{
- return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
-}
-#endif /* GCC_VERSION >= 3004 */
-
/* Functions used to get and set GCC's notion of in what directory
compilation was started. */
/* Functions used to manipulate the random seed. */
-extern const char *get_random_seed (bool);
-extern const char *set_random_seed (const char *);
+extern HOST_WIDE_INT get_random_seed (bool);
+extern void set_random_seed (const char *);
+
+extern unsigned int min_align_loops_log;
+extern unsigned int min_align_jumps_log;
+extern unsigned int min_align_labels_log;
+extern unsigned int min_align_functions_log;
+
+extern void parse_alignment_opts (void);
+
+extern void initialize_rtl (void);
#endif /* ! GCC_TOPLEV_H */