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author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/debug.h | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz |
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/debug.h')
-rw-r--r-- | contrib/gcc/debug.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/contrib/gcc/debug.h b/contrib/gcc/debug.h new file mode 100644 index 0000000..1f4349d --- /dev/null +++ b/contrib/gcc/debug.h @@ -0,0 +1,151 @@ +/* Debug hooks for GCC. + Copyright (C) 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#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 +{ + /* Initialise debug output. MAIN_FILENAME is the name of the main + input file. */ + void (* init) PARAMS ((const char *main_filename)); + + /* Output debug symbols. */ + void (* finish) PARAMS ((const char *main_filename)); + + /* Macro defined on line LINE with name and expansion TEXT. */ + void (* define) PARAMS ((unsigned int line, const char *text)); + + /* MACRO undefined on line LINE. */ + void (* undef) PARAMS ((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) PARAMS ((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) PARAMS ((unsigned int line)); + + /* Record the beginning of block N, counting from 1 and not + including the function-scope block, at LINE. */ + void (* begin_block) PARAMS ((unsigned int line, unsigned int n)); + + /* Record the end of a block. Arguments as for begin_block. */ + void (* end_block) PARAMS ((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) PARAMS ((tree)); + + /* Record a source file location at (FILE, LINE). */ + void (* source_line) PARAMS ((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) PARAMS ((unsigned int line, const char *file)); + + /* Called at end of prologue code. LINE is the first line in the + function. */ + void (* end_prologue) PARAMS ((unsigned int line)); + + /* Record end of epilogue code. */ + void (* end_epilogue) PARAMS ((void)); + + /* Called at start of function DECL, before it is declared. */ + void (* begin_function) PARAMS ((tree decl)); + + /* Record end of function. LINE is highest line number in function. */ + void (* end_function) PARAMS ((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) PARAMS ((tree decl)); + + /* Debug information for a global DECL. Called from toplev.c after + compilation proper has finished. */ + void (* global_decl) PARAMS ((tree decl)); + + /* DECL is an inline function, whose body is present, but which is + not being output at this point. */ + void (* deferred_inline_function) PARAMS ((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) PARAMS ((tree decl)); + + /* Called from final_scan_insn for any CODE_LABEL insn whose + LABEL_NAME is non-null. */ + void (* label) PARAMS ((rtx)); +}; + +extern struct gcc_debug_hooks *debug_hooks; + +/* The do-nothing hooks. */ +extern void debug_nothing_void + PARAMS ((void)); +extern void debug_nothing_charstar + PARAMS ((const char *)); +extern void debug_nothing_int_charstar + PARAMS ((unsigned int, const char *)); +extern void debug_nothing_int + PARAMS ((unsigned int)); +extern void debug_nothing_int_int + PARAMS ((unsigned int, unsigned int)); +extern void debug_nothing_tree + PARAMS ((tree)); +extern bool debug_true_tree + PARAMS ((tree)); +extern void debug_nothing_rtx + PARAMS ((rtx)); + +/* Hooks for various debug formats. */ +extern struct gcc_debug_hooks do_nothing_debug_hooks; +extern struct gcc_debug_hooks dbx_debug_hooks; +extern struct gcc_debug_hooks sdb_debug_hooks; +extern struct gcc_debug_hooks xcoff_debug_hooks; +extern struct gcc_debug_hooks dwarf_debug_hooks; +extern struct gcc_debug_hooks dwarf2_debug_hooks; +extern struct gcc_debug_hooks vmsdbg_debug_hooks; + +/* Dwarf2 frame information. */ + +extern void dwarf2out_begin_prologue PARAMS ((unsigned int, const char *)); +extern void dwarf2out_end_epilogue PARAMS ((void)); +extern void dwarf2out_frame_init PARAMS ((void)); +extern void dwarf2out_frame_finish PARAMS ((void)); +/* Decide whether we want to emit frame unwind information for the current + translation unit. */ +extern int dwarf2out_do_frame PARAMS ((void)); + +/* When writing VMS debug info, output label after the prologue of the + function. */ +extern void vmsdbgout_after_prologue PARAMS ((void)); + + + +#endif /* !GCC_DEBUG_H */ |