From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/debug.h | 229 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 229 insertions(+) create mode 100644 gcc/debug.h (limited to 'gcc/debug.h') diff --git a/gcc/debug.h b/gcc/debug.h new file mode 100644 index 000000000..cdaf457cb --- /dev/null +++ b/gcc/debug.h @@ -0,0 +1,229 @@ +/* Debug hooks for GCC. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010 + 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 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. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING3. If not see + . */ + +#ifndef GCC_DEBUG_H +#define GCC_DEBUG_H + +/* 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); + + /* 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); + + /* 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) (const_tree); + + /* 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. */ + 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); + + /* 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 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) (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); + + /* 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); + + /* Copies the OBJ_TYPE_REF_TOKEN for a virtual call from OLD_INSN to + NEW_INSN. Called from emit-rtl.c:try_split when a CALL_INSN is + split, so that the vtable slot index remains associated with the + new CALL_INSN. */ + void (* copy_call_info) (rtx old_insn, rtx new_insn); + + /* 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; + +/* 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_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); +extern void debug_nothing_uid (int); + +/* 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_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 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 */ -- cgit v1.2.3