/* Debug hooks for GCC.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008
- 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);
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
/* 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);
- /* Records a direct call to the function DECL, noting the point of call
- and the debug info for the function. Called from final_scan_insn
- when ICF debugging is enabled. */
- void (* direct_call) (tree decl);
-
- /* Records the OBJ_TYPE_REF_TOKEN for a virtual call through ADDR, which
- for C++ is the vtable slot index, noting the INSN_UID for the call
- instruction. Called from calls.c:emit_call_1 when ICF debugging is
- enabled. It's necessary to do this during lowering because the
- call instruction and the OBJ_TYPE_REF become separated after that
- point. */
- void (* virtual_call_token) (tree addr, int insn_uid);
-
- /* Records a virtual call given INSN_UID, which is the UID of the call
- instruction. The UID is then mapped to the vtable slot index noted
- during the lowering phase. Called from final_scan_insn when ICF
- debugging is enabled. */
- void (* virtual_call) (int insn_uid);
-
/* 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_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_uid (int);
+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 int dwarf2out_do_cfi_asm (void);
+extern bool dwarf2out_do_frame (void);
+extern bool 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 *);
+/* 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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