sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Create/destroy signal delivery frames. ---*/ |
| 4 | /*--- pub_core_sigframe.h ---*/ |
| 5 | /*--------------------------------------------------------------------*/ |
| 6 | |
| 7 | /* |
| 8 | This file is part of Valgrind, a dynamic binary instrumentation |
| 9 | framework. |
| 10 | |
Elliott Hughes | ed39800 | 2017-06-21 14:41:24 -0700 | [diff] [blame] | 11 | Copyright (C) 2000-2017 Julian Seward |
sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 12 | jseward@acm.org |
| 13 | |
| 14 | This program is free software; you can redistribute it and/or |
| 15 | modify it under the terms of the GNU General Public License as |
| 16 | published by the Free Software Foundation; either version 2 of the |
| 17 | License, or (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, but |
| 20 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 27 | 02111-1307, USA. |
| 28 | |
| 29 | The GNU General Public License is contained in the file COPYING. |
| 30 | */ |
| 31 | |
| 32 | #ifndef __PUB_CORE_SIGFRAME_H |
| 33 | #define __PUB_CORE_SIGFRAME_H |
| 34 | |
florian | 535fb1b | 2013-09-15 13:54:34 +0000 | [diff] [blame] | 35 | #include "pub_core_basics.h" // VG_ macro |
florian | 8a46fe8 | 2013-09-19 14:55:27 +0000 | [diff] [blame] | 36 | #include "pub_core_vki.h" // vki_sigset_t et al. |
florian | 535fb1b | 2013-09-15 13:54:34 +0000 | [diff] [blame] | 37 | |
sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 38 | //-------------------------------------------------------------------- |
| 39 | // PURPOSE: This module creates and destroys signal delivery frames |
| 40 | // for client threads, saving/restoring the thread CPU state in the |
| 41 | // frame appropriately. |
| 42 | //-------------------------------------------------------------------- |
| 43 | |
sewardj | 8eb8bab | 2015-07-21 14:44:28 +0000 | [diff] [blame] | 44 | /* This is an arbitrary si_code that we only use internally for SIGSEGV. |
| 45 | It corresponds to the value SI_KERNEL on Linux, but that's not really |
| 46 | of any significance. */ |
| 47 | #define VKI_SEGV_MADE_UP_GPF 0x80 |
| 48 | |
sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 49 | /* Create a signal frame for thread 'tid'. */ |
| 50 | extern |
| 51 | void VG_(sigframe_create) ( ThreadId tid, |
sewardj | 8eb8bab | 2015-07-21 14:44:28 +0000 | [diff] [blame] | 52 | Bool on_altstack, |
sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 53 | Addr sp_top_of_frame, |
| 54 | const vki_siginfo_t *siginfo, |
tom | adacaf9 | 2007-12-21 10:24:24 +0000 | [diff] [blame] | 55 | const struct vki_ucontext *uc, |
sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 56 | void *handler, |
| 57 | UInt flags, |
| 58 | const vki_sigset_t *mask, |
| 59 | void *restorer ); |
| 60 | |
| 61 | /* Remove a signal frame from thread 'tid's stack, and |
| 62 | restore the CPU state from it. */ |
| 63 | extern |
| 64 | void VG_(sigframe_destroy)( ThreadId tid, Bool isRT ); |
| 65 | |
sewardj | 8eb8bab | 2015-07-21 14:44:28 +0000 | [diff] [blame] | 66 | #if defined(VGO_solaris) |
| 67 | extern |
| 68 | void VG_(sigframe_return)(ThreadId tid, const vki_ucontext_t *uc); |
| 69 | #endif |
| 70 | |
sewardj | 985fabb | 2005-04-24 14:18:14 +0000 | [diff] [blame] | 71 | #endif // __PUB_CORE_SIGFRAME_H |
| 72 | |
| 73 | /*--------------------------------------------------------------------*/ |
| 74 | /*--- end pub_core_sigframe.h ---*/ |
| 75 | /*--------------------------------------------------------------------*/ |