/* Debug hooks for GCC.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 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);
+
/* Macro defined on line LINE with name and expansion TEXT. */
void (* define) (unsigned int line, const char *text);
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);
+ bool (* ignore_block) (const_tree);
- /* Record a source file location at (FILE, LINE). */
- void (* source_line) (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. */
+ 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) (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) (unsigned int line, const char *file);
/* 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
void (* type_decl) (tree decl, int local);
/* Debug information for imported modules and declarations. */
- void (* imported_module_or_decl) (tree decl, tree context);
+ 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. */
/* 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. */
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 const struct gcc_debug_hooks *debug_hooks;
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_int (tree, int);
extern void debug_nothing_tree_tree (tree, tree);
-extern bool debug_true_tree (tree);
-extern void debug_nothing_rtx (rtx);
+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_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;
/* Dwarf2 frame information. */
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_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;
+extern bool dwarf2out_do_frame (void);
+extern bool dwarf2out_do_cfi_asm (void);
+extern void dwarf2out_switch_text_section (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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