1 2 /*--------------------------------------------------------------------*/ 3 /*--- Asm-only dispatcher stuff. pub_core_dispatch_asm.h ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2012 Julian Seward 11 jseward (at) 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_DISPATCH_ASM_H 32 #define __PUB_CORE_DISPATCH_ASM_H 33 34 /* Magic values that the guest state might be set to when returning to the 35 dispatcher. The only other legitimate value is to point to the 36 start of the thread's VEX guest state. These also are return values from 37 from VG_(run_innerloop) to the scheduler. 38 */ 39 /* Defines values for JMP_EMWARN, JMP_SYSCALL, JMP_CLIENTREQ and 40 JMP_YIELD */ 41 #include "libvex_trc_values.h" 42 43 /* And some more of our own. These must not have the same values as 44 those from libvex_trc_values.h. (viz, 60 or below is safe). 45 46 (The following comment is no longer relevant, but is retained 47 for historical purposes.) 48 These values *must* be odd (have bit 0 set) because the dispatchers 49 (coregrind/m_dispatch/dispatch-*-*.S) use this fact to distinguish 50 a TRC value from the unchanged baseblock pointer -- which has 0 as 51 its lowest bit. 52 */ 53 #define VG_TRC_BORING 29 /* no event; just keep going */ 54 #define VG_TRC_INNER_FASTMISS 37 /* TRC only; means fast-cache miss. */ 55 #define VG_TRC_INNER_COUNTERZERO 41 /* TRC only; means bb ctr == 0 */ 56 #define VG_TRC_FAULT_SIGNAL 43 /* TRC only; got sigsegv/sigbus */ 57 #define VG_TRC_INVARIANT_FAILED 47 /* TRC only; invariant violation */ 58 #define VG_TRC_CHAIN_ME_TO_SLOW_EP 49 /* TRC only; chain to slow EP */ 59 #define VG_TRC_CHAIN_ME_TO_FAST_EP 51 /* TRC only; chain to fast EP */ 60 61 #endif // __PUB_CORE_DISPATCH_ASM_H 62 63 /*--------------------------------------------------------------------*/ 64 /*--- end ---*/ 65 /*--------------------------------------------------------------------*/ 66
