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/*--------------------------------------------------------------------*/
/*--- DebugInfo. pub_tool_debuginfo.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2000-2005 Julian Seward
jseward@acm.org
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 of the
License, 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, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
#ifndef __PUB_TOOL_DEBUGINFO_H
#define __PUB_TOOL_DEBUGINFO_H
/*====================================================================*/
/*=== Obtaining debug information ===*/
/*====================================================================*/
/* Get the file/function/line number of the instruction at address
'a'. For these four, if debug info for the address is found, it
copies the info into the buffer/UInt and returns True. If not, it
returns False and nothing is copied. VG_(get_fnname) always
demangles C++ function names. VG_(get_fnname_w_offset) is the
same, except it appends "+N" to symbol names to indicate offsets. */
extern Bool VG_(get_filename) ( Addr a, Char* filename, Int n_filename );
extern Bool VG_(get_fnname) ( Addr a, Char* fnname, Int n_fnname );
extern Bool VG_(get_linenum) ( Addr a, UInt* linenum );
extern Bool VG_(get_fnname_w_offset)
( Addr a, Char* fnname, Int n_fnname );
/* This one is more efficient if getting both filename and line number,
because the two lookups are done together. */
extern Bool VG_(get_filename_linenum)
( Addr a, Char* filename, Int n_filename,
UInt* linenum );
/* Succeeds only if we find from debug info that 'a' is the address of the
first instruction in a function -- as opposed to VG_(get_fnname) which
succeeds if we find from debug info that 'a' is the address of any
instruction in a function. Use this to instrument the start of
a particular function. Nb: if an executable/shared object is stripped
of its symbols, this function will not be able to recognise function
entry points within it. */
extern Bool VG_(get_fnname_if_entry) ( Addr a, Char* fnname, Int n_fnname );
/* Succeeds if the address is within a shared object or the main executable.
It doesn't matter if debug info is present or not. */
extern Bool VG_(get_objname) ( Addr a, Char* objname, Int n_objname );
/* Puts into 'buf' info about the code address %eip: the address, function
name (if known) and filename/line number (if known), like this:
0x4001BF05: realloc (vg_replace_malloc.c:339)
'n_buf' gives length of 'buf'. Returns 'buf'.
*/
extern Char* VG_(describe_IP)(Addr eip, Char* buf, Int n_buf);
/* Returns a string containing an expression for the given
address. String is malloced with VG_(malloc)() */
Char *VG_(describe_addr)(ThreadId, Addr);
/*====================================================================*/
/*=== Obtaining segment information ===*/
/*====================================================================*/
/* A way to get information about what segments are mapped */
typedef struct _SegInfo SegInfo;
/* Returns NULL if the SegInfo isn't found. It doesn't matter if debug info
is present or not. */
extern SegInfo* VG_(get_obj) ( Addr a );
extern const SegInfo* VG_(next_seginfo) ( const SegInfo *si );
extern Addr VG_(seg_start) ( const SegInfo *si );
extern SizeT VG_(seg_size) ( const SegInfo *si );
extern const UChar* VG_(seg_filename) ( const SegInfo *si );
extern ULong VG_(seg_sym_offset)( const SegInfo *si );
typedef
enum {
Vg_SectUnknown,
Vg_SectText,
Vg_SectData,
Vg_SectBSS,
Vg_SectGOT,
Vg_SectPLT
}
VgSectKind;
extern VgSectKind VG_(seg_sect_kind)(Addr);
#endif // __PUB_TOOL_DEBUGINFO_H
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
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