/* Debug hooks for GCC. Copyright (C) 2001, 2002 Free Software Foundation, Inc. This program 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 version. This program 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 this program; if not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef GCC_DEBUG_H #define GCC_DEBUG_H /* This structure contains hooks for the debug information output functions, accessed through the global instance debug_hooks set in toplev.c according to command line options. */ struct gcc_debug_hooks { /* Initialize debug output. MAIN_FILENAME is the name of the main input file. */ void (* init) PARAMS ((const char *main_filename)); /* Output debug symbols. */ void (* finish) PARAMS ((const char *main_filename)); /* Macro defined on line LINE with name and expansion TEXT. */ void (* define) PARAMS ((unsigned int line, const char *text)); /* MACRO undefined on line LINE. */ void (* undef) PARAMS ((unsigned int line, const char *macro)); /* Record the beginning of a new source file FILE from LINE number in the previous one. */ void (* start_source_file) PARAMS ((unsigned int line, const char *file)); /* Record the resumption of a source file. LINE is the line number in the source file we are returning to. */ void (* end_source_file) PARAMS ((unsigned int line)); /* Record the beginning of block N, counting from 1 and not including the function-scope block, at LINE. */ void (* begin_block) PARAMS ((unsigned int line, unsigned int n)); /* Record the end of a block. Arguments as for begin_block. */ void (* end_block) PARAMS ((unsigned int line, unsigned int n)); /* Returns nonzero if it is appropriate not to emit any debugging information for BLOCK, because it doesn't contain any instructions. This may not be the case for blocks containing nested functions, since we may actually call such a function even though the BLOCK information is messed up. Defaults to true. */ bool (* ignore_block) PARAMS ((tree)); /* Record a source file location at (FILE, LINE). */ void (* source_line) PARAMS ((unsigned int line, const char *file)); /* Called at start of prologue code. LINE is the first line in the function. This has been given the same prototype as source_line, so that the source_line hook can be substituted if appropriate. */ void (* begin_prologue) PARAMS ((unsigned int line, const char *file)); /* Called at end of prologue code. LINE is the first line in the function. */ void (* end_prologue) PARAMS ((unsigned int line, const char *file)); /* Record end of epilogue code. */ void (* end_epilogue) PARAMS ((unsigned int line, const char *file)); /* Called at start of function DECL, before it is declared. */ void (* begin_function) PARAMS ((tree decl)); /* Record end of function. LINE is highest line number in function. */ void (* end_function) PARAMS ((unsigned int line)); /* Debug information for a function DECL. This might include the function name (a symbol), its parameters, and the block that makes up the function's body, and the local variables of the function. */ void (* function_decl) PARAMS ((tree decl)); /* Debug information for a global DECL. Called from toplev.c after compilation proper has finished. */ void (* global_decl) PARAMS ((tree decl)); /* DECL is an inline function, whose body is present, but which is not being output at this point. */ void (* deferred_inline_function) PARAMS ((tree decl)); /* DECL is an inline function which is about to be emitted out of line. The hook is useful to, e.g., emit abstract debug info for the inline before it gets mangled by optimization. */ void (* outlining_inline_function) PARAMS ((tree decl)); /* Called from final_scan_insn for any CODE_LABEL insn whose LABEL_NAME is non-null. */ void (* label) PARAMS ((rtx)); /* Called after the start and before the end of writing a PCH file. The parameter is 0 if after the start, 1 if before the end. */ void (* handle_pch) PARAMS ((unsigned int)); /* APPLE LOCAL begin Symbol Separation */ void (* restore_write_symbols) PARAMS ((void)); void (* clear_write_symbols) PARAMS ((const char *, unsigned long)); void (* start_symbol_repository) PARAMS ((unsigned int, const char *, unsigned long)); void (* end_symbol_repository) PARAMS ((unsigned int)); /* APPLE LOCAL end Symbol Separation */ }; extern const struct gcc_debug_hooks *debug_hooks; /* The do-nothing hooks. */ extern void debug_nothing_void PARAMS ((void)); extern void debug_nothing_charstar PARAMS ((const char *)); extern void debug_nothing_int_charstar PARAMS ((unsigned int, const char *)); extern void debug_nothing_int PARAMS ((unsigned int)); extern void debug_nothing_int_int PARAMS ((unsigned int, unsigned int)); extern void debug_nothing_tree PARAMS ((tree)); extern bool debug_true_tree PARAMS ((tree)); extern void debug_nothing_rtx PARAMS ((rtx)); /* Hooks for various debug formats. */ extern const struct gcc_debug_hooks do_nothing_debug_hooks; extern const struct gcc_debug_hooks dbx_debug_hooks; extern const struct gcc_debug_hooks sdb_debug_hooks; extern const struct gcc_debug_hooks xcoff_debug_hooks; extern const struct gcc_debug_hooks dwarf_debug_hooks; extern const struct gcc_debug_hooks dwarf2_debug_hooks; extern const struct gcc_debug_hooks vmsdbg_debug_hooks; /* Dwarf2 frame information. */ extern void dwarf2out_begin_prologue PARAMS ((unsigned int, const char *)); extern void dwarf2out_end_epilogue PARAMS ((unsigned int, const char *)); extern void dwarf2out_frame_init PARAMS ((void)); extern void dwarf2out_frame_finish PARAMS ((void)); /* Decide whether we want to emit frame unwind information for the current translation unit. */ extern int dwarf2out_do_frame PARAMS ((void)); #endif /* !GCC_DEBUG_H */