sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Misc client state info pub_core_clientstate.h ---*/ |
| 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
| 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
| 9 | |
sewardj | 0f157dd | 2013-10-18 14:27:36 +0000 | [diff] [blame] | 10 | Copyright (C) 2000-2013 Julian Seward |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 11 | jseward@acm.org |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or |
| 14 | modify it under the terms of the GNU General Public License as |
| 15 | published by the Free Software Foundation; either version 2 of the |
| 16 | License, or (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 26 | 02111-1307, USA. |
| 27 | |
| 28 | The GNU General Public License is contained in the file COPYING. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __PUB_CORE_CLIENTSTATE_H |
| 32 | #define __PUB_CORE_CLIENTSTATE_H |
| 33 | |
| 34 | //-------------------------------------------------------------------- |
| 35 | // PURPOSE: This module holds various bits of client state which don't |
| 36 | // live comfortably anywhere else. Note that the ThreadStates for the |
sewardj | fdf91b4 | 2005-09-28 00:53:09 +0000 | [diff] [blame] | 37 | // client don't live here; they instead live in m_threadstate.h. Most |
| 38 | // of these values are set once at startup and not changed later. |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 39 | //-------------------------------------------------------------------- |
| 40 | |
| 41 | #include "pub_tool_clientstate.h" |
| 42 | |
| 43 | // Address space globals |
| 44 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 45 | extern Addr VG_(clstk_base); // client stack range |
| 46 | extern Addr VG_(clstk_end); |
| 47 | extern UWord VG_(clstk_id); // client stack id |
| 48 | |
sewardj | 2a31239 | 2011-06-26 09:26:48 +0000 | [diff] [blame] | 49 | /* linux only: where is the client auxv ? */ |
| 50 | /* This is setup as part of setup_client_stack in initimg-linux.c. */ |
| 51 | extern UWord* VG_(client_auxv); |
| 52 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 53 | extern Addr VG_(brk_base); // start of brk |
| 54 | extern Addr VG_(brk_limit); // current brk |
| 55 | |
| 56 | /* A fd which refers to the client executable. */ |
| 57 | extern Int VG_(cl_exec_fd); |
| 58 | |
| 59 | /* A fd which refers to the fake /proc/<pid>/cmdline in /tmp. The |
| 60 | idea is: make up the /proc/<pid>/cmdline file the client would |
| 61 | expect to see if it was running natively. Copy into a file in |
| 62 | /tmp. When the client then does an open of /proc/<pid>/cmdline or |
| 63 | /proc/self/cmdline, instead give it a file handle to the file in |
| 64 | /tmp. The problem of deleting said file when Valgrind exits is |
| 65 | neatly sidestepped by unlinking it as soon as it has been created, |
| 66 | but holding on to the file handle. That causes the kernel to keep |
| 67 | the file contents alive exactly until the process exits. */ |
| 68 | extern Int VG_(cl_cmdline_fd); |
| 69 | |
tom | 41ad7e7 | 2012-10-04 20:27:38 +0000 | [diff] [blame] | 70 | /* Same as above, but for /proc/<pid>/auxv. */ |
| 71 | extern Int VG_(cl_auxv_fd); |
| 72 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 73 | // Client's original rlimit data and rlimit stack |
| 74 | extern struct vki_rlimit VG_(client_rlimit_data); |
| 75 | extern struct vki_rlimit VG_(client_rlimit_stack); |
| 76 | |
| 77 | // Name of the launcher, as extracted from VALGRIND_LAUNCHER at |
| 78 | // startup. |
| 79 | extern HChar* VG_(name_of_launcher); |
| 80 | |
sewardj | fdf91b4 | 2005-09-28 00:53:09 +0000 | [diff] [blame] | 81 | /* Application-visible file descriptor limits */ |
| 82 | extern Int VG_(fd_soft_limit); |
| 83 | extern Int VG_(fd_hard_limit); |
| 84 | |
sewardj | 0ec07f3 | 2006-01-12 12:32:32 +0000 | [diff] [blame] | 85 | /* Useful addresses extracted from the client */ |
| 86 | /* Where is the __libc_freeres_wrapper routine we made? */ |
| 87 | extern Addr VG_(client___libc_freeres_wrapper); |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 88 | |
sewardj | a672ea3 | 2006-04-29 18:03:14 +0000 | [diff] [blame] | 89 | /* x86-linux only: where is ld.so's _dl_sysinfo_int80 function? |
| 90 | Finding it isn't essential, but knowing where it is does sometimes |
| 91 | help produce better back traces. See big comment in |
| 92 | VG_(get_StackTrace) in m_stacktrace.c for further info. */ |
| 93 | extern Addr VG_(client__dl_sysinfo_int80); |
| 94 | |
| 95 | |
sewardj | 45f4e7c | 2005-09-27 19:20:21 +0000 | [diff] [blame] | 96 | #endif // __PUB_CORE_CLIENTSTATE_H |
| 97 | |
| 98 | /*--------------------------------------------------------------------*/ |
| 99 | /*--- end ---*/ |
| 100 | /*--------------------------------------------------------------------*/ |