| /* Debug hooks for GCC. |
| Copyright (C) 2001, 2002, 2003, 2004, 2005 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 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ |
| |
| #ifndef GCC_DEBUG_H |
| #define GCC_DEBUG_H |
| |
| /* APPLE LOCAL begin opt diary */ |
| #include "input.h" |
| /* Optimization diary messages */ |
| enum debug_od_msg |
| { |
| OD_msg_loop_vectorized, |
| OD_msg_loop_not_vectorized, |
| OD_msg_loop_vectorized_using_versioning, |
| OD_msg_loop_vectorized_using_peeling, |
| OD_msg_loop_not_vectorized_multiple_exits, |
| OD_msg_loop_not_vectorized_bad_data_ref, |
| OD_msg_loop_not_vectorized_unsupported_ops, |
| OD_msg_loop_not_vectorized_data_dep |
| }; |
| |
| /* Optimization diary entry categories */ |
| enum debug_od_category |
| { |
| OD_parm_hint = 0x0001, |
| OD_limit = 0x0002, |
| OD_report = 0x0004, |
| OD_action = 0x0008, |
| OD_hint = 0x0010, |
| OD_command = 0x0020 |
| }; |
| /* APPLE LOCAL end opt diary */ |
| /* 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 |
| { |
| /* Initialize debug output. MAIN_FILENAME is the name of the main |
| input file. */ |
| void (* init) (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) (unsigned int line, const char *text); |
| |
| /* MACRO undefined on line LINE. */ |
| 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) (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) (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) (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 context); |
| |
| /* 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); |
| |
| /* APPLE LOCAL begin opt diary */ |
| /* Called to emit optimization diary entry. */ |
| void (* opt_diary_entry) (enum debug_od_msg, expanded_location); |
| /* APPLE LOCAL end opt diary */ |
| |
| /* 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 const struct gcc_debug_hooks *debug_hooks; |
| |
| /* The do-nothing 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 (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); |
| /* APPLE LOCAL opt diary */ |
| extern void debug_nothing_od_msg_loc (enum debug_od_msg, expanded_location); |
| |
| /* Hooks for various debug formats. */ |
| 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 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; |
| |
| #endif /* !GCC_DEBUG_H */ |