/* Debug hooks for GCC.
- Copyright (C) 2001-2014 Free Software Foundation, Inc.
+ Copyright (C) 2001-2015 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
/* Output debug symbols. */
void (* finish) (const char *main_filename);
+ /* Run cleanups necessary after early debug generation. */
+ void (* early_finish) (void);
+
/* Called from cgraph_optimize before starting to assemble
functions/variables/toplevel asms. */
void (* assembly_start) (void);
/* Record end of function. LINE is highest line number in function. */
void (* end_function) (unsigned int line);
+ /* Register UNIT as the main translation unit. Called from front-ends when
+ they create their main translation unit. */
+ void (* register_main_translation_unit) (tree);
+
/* 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. */
+ function.
+
+ This is only called for FUNCTION_DECLs. It is part of the late
+ debug pass and is called from rest_of_handle_final.
+
+ Location information is available at this point.
+
+ See the documentation for early_global_decl and late_global_decl
+ for other entry points into the debugging back-ends for DECLs. */
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 global DECL. Called from the parser
+ after the parsing process has finished.
+
+ This gets called for both variables and functions.
+
+ Location information is not available at this point, but it is a
+ good probe point to get access to symbols before they get
+ optimized away.
+
+ This hook may be called on VAR_DECLs or FUNCTION_DECLs. It is up
+ to the hook to use what it needs. */
+ void (* early_global_decl) (tree decl);
+
+ /* Augment debug information generated by early_global_decl with
+ more complete debug info (if applicable). Called from toplev.c
+ after the compilation proper has finished and cgraph information
+ is available.
+
+ This gets called for both variables and functions.
+
+ Location information is usually available at this point, unless
+ the hook is being called for a decl that has been optimized away.
+
+ This hook may be called on VAR_DECLs or FUNCTION_DECLs. It is up
+ to the hook to use what it needs. */
+ void (* late_global_decl) (tree decl);
/* Debug information for a type DECL. Called from toplev.c after
compilation proper, also from various language front ends to
/* Called from final_scan_insn for any CODE_LABEL insn whose
LABEL_NAME is non-null. */
- void (* label) (rtx);
+ void (* label) (rtx_code_label *);
/* 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);
+ void (* var_location) (rtx_insn *);
/* Called from final_scan_insn if there is a switch between hot and cold
text sections. */
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);
+extern void debug_nothing_rtx_insn (rtx_insn *);
+extern void debug_nothing_rtx_code_label (rtx_code_label *);
/* Hooks for various debug formats. */
extern const struct gcc_debug_hooks do_nothing_debug_hooks;