/* Debug hooks for GCC.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010, 2011
+ 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
-union tree_node;
-struct rtx_def;
-
/* 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
{
- /* Initialise debug output. MAIN_FILENAME is the name of the main
+ /* Initialize debug output. MAIN_FILENAME is the name of the main
input file. */
- void (* init) PARAMS ((const char *main_filename));
+ void (* init) (const char *main_filename);
/* Output debug symbols. */
- void (* finish) PARAMS ((const char *main_filename));
+ void (* finish) (const char *main_filename);
+
+ /* Called from cgraph_optimize before starting to assemble
+ functions/variables/toplevel asms. */
+ void (* assembly_start) (void);
/* 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) PARAMS ((unsigned int line, unsigned int n));
+ void (* begin_block) (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));
+ 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) PARAMS ((union tree_node *));
+ bool (* ignore_block) (const_tree);
- /* Record a source file location at (FILE, LINE). */
- void (* source_line) PARAMS ((unsigned int line, const char *file));
+ /* Record a source file location at (FILE, LINE, DISCRIMINATOR). */
+ void (* source_line) (unsigned int line, const char *file,
+ int discriminator, bool is_stmt);
/* 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));
+ function. */
+ 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) PARAMS ((unsigned int line));
+ void (* end_prologue) (unsigned int line, const char *file);
+
+ /* Called at beginning of epilogue code. */
+ void (* begin_epilogue) (unsigned int line, const char *file);
/* Record end of epilogue code. */
- void (* end_epilogue) PARAMS ((void));
+ void (* end_epilogue) (unsigned int line, const char *file);
/* Called at start of function DECL, before it is declared. */
- void (* begin_function) PARAMS ((union tree_node *decl));
+ void (* begin_function) (tree decl);
/* Record end of function. LINE is highest line number in function. */
- void (* end_function) PARAMS ((unsigned int line));
+ 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) PARAMS ((union tree_node *decl));
+ void (* function_decl) (tree decl);
/* Debug information for a global DECL. Called from toplev.c after
compilation proper has finished. */
- void (* global_decl) PARAMS ((union tree_node *decl));
+ 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) PARAMS ((union tree_node *decl));
+ 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) PARAMS ((union tree_node *decl));
+ void (* outlining_inline_function) (tree decl);
/* Called from final_scan_insn for any CODE_LABEL insn whose
LABEL_NAME is non-null. */
- void (* label) PARAMS ((struct rtx_def *insn));
+ 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);
+
+ /* Called from grokdeclarator. Replaces the anonymous name with the
+ type name. */
+ void (* set_name) (tree, tree);
+
+ /* 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;
+
+ /* The type of symtab field used by these debug hooks. This is one
+ of the TYPE_SYMTAB_IS_xxx values defined in tree.h. */
+ int tree_type_symtab_field;
};
-extern struct gcc_debug_hooks *debug_hooks;
+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 ((union tree_node *));
-extern bool debug_true_tree
- PARAMS ((union tree_node *));
-extern void debug_nothing_rtx
- PARAMS ((struct rtx_def *));
+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_charstar_int_bool (unsigned int, const char *,
+ int, bool);
+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_tree (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);
+extern void debug_nothing_rtx_rtx (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 struct gcc_debug_hooks vmsdbg_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 PARAMS ((unsigned int, const char *));
-extern void dwarf2out_end_epilogue PARAMS ((void));
-extern void dwarf2out_frame_init PARAMS ((void));
-extern void dwarf2out_frame_finish PARAMS ((void));
+extern void dwarf2out_begin_prologue (unsigned int, const char *);
+extern void dwarf2out_vms_end_prologue (unsigned int, const char *);
+extern void dwarf2out_vms_begin_epilogue (unsigned int, const char *);
+extern void dwarf2out_end_epilogue (unsigned int, const char *);
+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 PARAMS ((void));
+extern bool dwarf2out_do_frame (void);
+extern bool dwarf2out_do_cfi_asm (void);
+extern void dwarf2out_switch_text_section (void);
-/* When writing VMS debug info, output label after the prologue of the
- function. */
-extern void vmsdbgout_after_prologue PARAMS ((void));
+const char *remap_debug_filename (const char *);
+void add_debug_prefix_map (const char *);
+/* For -fdump-go-spec. */
+extern const struct gcc_debug_hooks *
+dump_go_spec_init (const char *, const struct gcc_debug_hooks *);
#endif /* !GCC_DEBUG_H */
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