X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fdebug.h;h=5b4074b1294e97a3afd3257d29a0cbf6c11884c1;hb=0766e8763c0c87e7190f60f6e754b76614ccc326;hp=755ac0ae9ee0c2de0d19333162ab932da7b84f87;hpb=1dff614c85d6899e5442a721e03ae0924db542f0;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/debug.h b/gcc/debug.h index 755ac0ae9ee..5b4074b1294 100644 --- a/gcc/debug.h +++ b/gcc/debug.h @@ -1,5 +1,5 @@ /* Debug hooks for GCC. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004, 2005 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 @@ -23,53 +23,148 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ toplev.c according to command line options. */ struct gcc_debug_hooks { - /* Initialise debug output to FILE. MAIN_FILENAME is the name of - the main input file. */ - void (* init) PARAMS ((FILE * file, const char *main_filename)); + /* Initialize debug output. MAIN_FILENAME is the name of the main + input file. */ + void (* init) (const char *main_filename); - /* Output debug symbols to FILE. */ - void (* finish) PARAMS ((FILE * file, const char *main_filename)); + /* Output debug symbols. */ + void (* finish) (const char *main_filename); /* Macro defined on line LINE with name and expansion TEXT. */ - void (* define) PARAMS ((unsigned int line, const char *text)); + void (* define) (unsigned int line, const char *text); /* MACRO undefined on line LINE. */ - void (* undef) PARAMS ((unsigned int line, const char *macro)); + void (* undef) (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)); + void (* start_source_file) (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)); + void (* end_source_file) (unsigned int line); /* Record the beginning of block N, counting from 1 and not - including the function-scope block, at LINE. Output to FILE. */ - void (* begin_block) PARAMS ((FILE *, unsigned int line, unsigned int n)); + including the function-scope block, at LINE. */ + void (* begin_block) (unsigned int line, unsigned int n); /* Record the end of a block. Arguments as for begin_block. */ - void (* end_block) PARAMS ((FILE *, unsigned int line, unsigned int n)); + void (* end_block) (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) (tree); + + /* Record a source file location at (FILE, LINE). */ + void (* source_line) (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) (unsigned int line, const char *file); + + /* Called at end of prologue code. LINE is the first line in the + function. */ + void (* end_prologue) (unsigned int line, const char *file); + + /* Record end of epilogue code. */ + void (* end_epilogue) (unsigned int line, const char *file); + + /* Called at start of function DECL, before it is declared. */ + void (* begin_function) (tree decl); + + /* Record end of function. LINE is highest line number in function. */ + void (* end_function) (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) (tree decl); + + /* Debug information for a global DECL. Called from toplev.c after + compilation proper has finished. */ + void (* global_decl) (tree decl); + + /* Debug information for a type DECL. Called from toplev.c after + compilation proper, also from various language front ends to + record built-in types. The second argument is properly a + boolean, which indicates whether or not the type is a "local" + type as determined by the language. (It's not a boolean for + legacy reasons.) */ + void (* type_decl) (tree decl, int local); + + /* Debug information for imported modules and declarations. */ + void (* imported_module_or_decl) (tree decl, tree context); + + /* DECL is an inline function, whose body is present, but which is + not being output at this point. */ + void (* deferred_inline_function) (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) (tree decl); + + /* Called from final_scan_insn for any CODE_LABEL insn whose + LABEL_NAME is non-null. */ + void (* label) (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) (unsigned int); + + /* Called from final_scan_insn for any NOTE_INSN_VAR_LOCATION note. */ + void (* var_location) (rtx); + + /* Called from final_scan_insn if there is a switch between hot and cold + text sections. */ + void (* switch_text_section) (void); + + /* This is 1 if the debug writer wants to see start and end commands for the + main source files, and 0 otherwise. */ + int start_end_main_source_file; }; -extern struct gcc_debug_hooks *debug_hooks; +extern const struct gcc_debug_hooks *debug_hooks; /* The do-nothing hooks. */ -extern void debug_nothing_file_charstar - PARAMS ((FILE *, 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_file_int_int - PARAMS ((FILE *, unsigned int, unsigned int)); +extern void debug_nothing_void (void); +extern void debug_nothing_charstar (const char *); +extern void debug_nothing_int_charstar (unsigned int, const char *); +extern void debug_nothing_int (unsigned int); +extern void debug_nothing_int_int (unsigned int, unsigned int); +extern void debug_nothing_tree (tree); +extern void debug_nothing_tree_int (tree, int); +extern void debug_nothing_tree_tree (tree, tree); +extern bool debug_true_tree (tree); +extern void debug_nothing_rtx (rtx); /* Hooks for various debug formats. */ -extern struct gcc_debug_hooks do_nothing_debug_hooks; -extern struct gcc_debug_hooks dbx_debug_hooks; -extern struct gcc_debug_hooks sdb_debug_hooks; -extern struct gcc_debug_hooks xcoff_debug_hooks; -extern struct gcc_debug_hooks dwarf_debug_hooks; -extern struct gcc_debug_hooks dwarf2_debug_hooks; +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 dwarf2_debug_hooks; +extern const struct gcc_debug_hooks vmsdbg_debug_hooks; + +/* Dwarf2 frame information. */ + +extern void dwarf2out_begin_prologue (unsigned int, const char *); +extern void dwarf2out_end_epilogue (unsigned int, const char *); +extern void dwarf2out_frame_init (void); +extern void dwarf2out_frame_finish (void); +/* Decide whether we want to emit frame unwind information for the current + translation unit. */ +extern int dwarf2out_do_frame (void); + +extern void debug_flush_symbol_queue (void); +extern void debug_queue_symbol (tree); +extern void debug_free_queue (void); +extern int debug_nesting; +extern int symbol_queue_index; #endif /* !GCC_DEBUG_H */