mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-03 18:13:01 +00:00
98 lines
4.0 KiB
C
98 lines
4.0 KiB
C
|
|
/*--------------------------------------------------------------------*/
|
|
/*--- User-mode execve. pub_core_ume.h ---*/
|
|
/*--------------------------------------------------------------------*/
|
|
|
|
/*
|
|
This file is part of Valgrind, a dynamic binary instrumentation
|
|
framework.
|
|
|
|
Copyright (C) 2000-2013 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_CORE_UME_H
|
|
#define __PUB_CORE_UME_H
|
|
|
|
#include "pub_core_basics.h" // VG_ macro
|
|
|
|
//--------------------------------------------------------------------
|
|
// PURPOSE: This module implements user-mode execve, ie. program loading
|
|
// and exec'ing.
|
|
//--------------------------------------------------------------------
|
|
|
|
/*------------------------------------------------------------*/
|
|
/*--- Loading files ---*/
|
|
/*------------------------------------------------------------*/
|
|
|
|
// Info needed to load and run a program. IN/INOUT/OUT refers to the
|
|
// inputs/outputs of do_exec().
|
|
typedef
|
|
struct {
|
|
const HChar** argv; // IN: the original argv
|
|
|
|
Addr exe_base; // INOUT: lowest (allowed) address of exe
|
|
Addr exe_end; // INOUT: highest (allowed) address
|
|
|
|
#if !defined(VGO_darwin)
|
|
Addr phdr; // OUT: address phdr was mapped at
|
|
Int phnum; // OUT: number of phdrs
|
|
UInt stack_prot; // OUT: stack permissions
|
|
Addr interp_base; // OUT: where interpreter (ld.so) was mapped
|
|
#else
|
|
Addr stack_start; // OUT: address of start of stack segment (hot)
|
|
Addr stack_end; // OUT: address of end of stack segment (cold)
|
|
Addr text; // OUT: address of executable's Mach header
|
|
Bool dynamic; // OUT: False iff executable is static
|
|
char* executable_path; // OUT: path passed to execve()
|
|
#endif
|
|
|
|
Addr entry; // OUT: entrypoint in main executable
|
|
Addr init_ip; // OUT: address of first instruction to execute
|
|
Addr brkbase; // OUT: base address of brk segment
|
|
Addr init_toc; // OUT: address of table-of-contents, on
|
|
// platforms for which that makes sense
|
|
// (ppc64-linux only)
|
|
|
|
// These are the extra args added by #! scripts
|
|
HChar* interp_name; // OUT: the interpreter name
|
|
HChar* interp_args; // OUT: the args for the interpreter
|
|
}
|
|
ExeInfo;
|
|
|
|
// Do a number of appropriate checks to see if the file looks executable by
|
|
// the kernel: ie. it's a file, it's readable and executable, and it's in
|
|
// either binary or "#!" format. On success, 'out_fd' gets the fd of the file
|
|
// if it's non-NULL. Otherwise the fd is closed.
|
|
extern SysRes VG_(pre_exec_check)(const HChar* exe_name, Int* out_fd,
|
|
Bool allow_setuid);
|
|
|
|
// Does everything short of actually running 'exe': finds the file,
|
|
// checks execute permissions, sets up interpreter if program is a script,
|
|
// reads headers, maps file into memory, and returns important info about
|
|
// the program.
|
|
extern Int VG_(do_exec)(const HChar* exe, ExeInfo* info);
|
|
|
|
#endif /* __PUB_CORE_UME_H */
|
|
|
|
/*--------------------------------------------------------------------*/
|
|
/*--- end ---*/
|
|
/*--------------------------------------------------------------------*/
|