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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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111 lines
4.5 KiB
C
111 lines
4.5 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Debug info. pub_core_debuginfo.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2007 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_CORE_DEBUGINFO_H
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#define __PUB_CORE_DEBUGINFO_H
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//--------------------------------------------------------------------
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// PURPOSE: This module deals with reading debug info and symbol tables
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// to get file and function names, line numbers, variable types, and
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// to help stack unwinding.
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//--------------------------------------------------------------------
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#include "pub_tool_debuginfo.h"
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/* LINUX: Notify the debuginfo system about a new mapping, or the
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disappearance of such, or a permissions change on an existing
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mapping. This is the way new debug information gets loaded. If
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allow_SkFileV is True, it will try load debug info if the mapping
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at 'a' belongs to Valgrind; whereas normally (False) it will not do
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that. This allows us to carefully control when the thing will read
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symbols from the Valgrind executable itself. */
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#if defined(VGO_linux)
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extern void VG_(di_notify_mmap)( Addr a, Bool allow_SkFileV );
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extern void VG_(di_notify_munmap)( Addr a, SizeT len );
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extern void VG_(di_notify_mprotect)( Addr a, SizeT len, UInt prot );
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#endif
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#if defined(VGO_aix5)
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/* AIX5: Very similar, except packaged more neatly. The supplied
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parameters describe a code segment and its associated data segment,
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that have recently been mapped in -- so we need to read debug info
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for it -- or conversely, have recently been dumped, in which case
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the relevant debug info has to be unloaded. */
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extern void VG_(di_aix5_notify_segchange)(
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Addr code_start,
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Word code_len,
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Addr data_start,
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Word data_len,
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UChar* file_name,
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UChar* mem_name,
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Bool is_mainexe,
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Bool acquire
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);
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#endif
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extern Bool VG_(get_fnname_nodemangle)( Addr a,
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Char* fnname, Int n_fnname );
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/* Use DWARF2/3 CFA information to do one step of stack unwinding. */
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extern Bool VG_(use_CF_info) ( /*MOD*/Addr* ipP,
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/*MOD*/Addr* spP,
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/*MOD*/Addr* fpP,
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Addr min_accessible,
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Addr max_accessible );
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/* ppc64-linux only: find the TOC pointer (R2 value) that should be in
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force at the entry point address of the function containing
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guest_code_addr. Returns 0 if not known. */
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extern Addr VG_(get_tocptr) ( Addr guest_code_addr );
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/* This is only available to core... don't demangle C++ names, but do
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do Z-demangling, match anywhere in function, and don't show
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offsets. */
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extern
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Bool VG_(get_fnname_Z_demangle_only) ( Addr a, Char* buf, Int nbuf );
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/* Map a function name to its entry point and toc pointer. Is done by
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sequential search of all symbol tables, so is very slow. To
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mitigate the worst performance effects, you may specify a soname
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pattern, and only objects matching that pattern are searched.
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Therefore specify "*" to search all the objects. On TOC-afflicted
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platforms, a symbol is deemed to be found only if it has a nonzero
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TOC pointer. */
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extern
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Bool VG_(lookup_symbol_SLOW)(UChar* sopatt, UChar* name, Addr* pEnt, Addr* pToc);
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#endif // __PUB_CORE_DEBUGINFO_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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