/* Debug hooks for GCC.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 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 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.
-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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef GCC_DEBUG_H
#define GCC_DEBUG_H
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. */
+ void (* begin_block) (unsigned int line, unsigned int n);
+
+ /* Record the end of a block. Arguments as for begin_block. */
+ 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) (const_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 name,
+ tree context, bool child);
+
+ /* 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_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_bool (tree, tree, tree, bool);
+extern bool debug_true_const_tree (const_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 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 int dwarf2out_do_cfi_asm (void);
+extern void dwarf2out_switch_text_section (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;
+
+const char *remap_debug_filename (const char *);
+void add_debug_prefix_map (const char *);
#endif /* !GCC_DEBUG_H */
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