| |
| /*--------------------------------------------------------------------*/ |
| /*--- A header file containing constants (for assembly code). ---*/ |
| /*--- vg_constants.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, an x86 protected-mode emulator |
| designed for debugging and profiling binaries on x86-Unixes. |
| |
| Copyright (C) 2000-2002 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 LICENSE. |
| */ |
| |
| #ifndef __VG_CONSTANTS_H |
| #define __VG_CONSTANTS_H |
| |
| |
| /* This file is included in all Valgrind source files, including |
| assembly ones. */ |
| |
| /* All symbols externally visible from valgrind.so are prefixed |
| as specified here. The prefix can be changed, so as to avoid |
| namespace conflict problems. |
| */ |
| #define VGAPPEND(str1,str2) str1##str2 |
| |
| /* These macros should add different prefixes so the same base |
| name can safely be used across different macros. */ |
| #define VG_(str) VGAPPEND(vgPlain_,str) |
| #define VGM_(str) VGAPPEND(vgMem_,str) |
| #define VGP_(str) VGAPPEND(vgProf_,str) |
| #define VGOFF_(str) VGAPPEND(vgOff_,str) |
| |
| |
| /* Magic values that %ebp might be set to when returning to the |
| dispatcher. The only other legitimate value is to point to the |
| start of VG_(baseBlock). These also are return values from |
| VG_(run_innerloop) to the scheduler. |
| |
| EBP means %ebp can legitimately have this value when a basic block |
| returns to the dispatch loop. TRC means that this value is a valid |
| thread return code, which the dispatch loop may return to the |
| scheduler. */ |
| #define VG_TRC_EBP_JMP_STKADJ 17 /* EBP only; handled by dispatcher */ |
| #define VG_TRC_EBP_JMP_SYSCALL 19 /* EBP and TRC */ |
| #define VG_TRC_EBP_JMP_CLIENTREQ 23 /* EBP and TRC */ |
| |
| #define VG_TRC_INNER_COUNTERZERO 29 /* TRC only; means bb ctr == 0 */ |
| #define VG_TRC_INNER_FASTMISS 31 /* TRC only; means fast-cache miss. */ |
| #define VG_TRC_UNRESUMABLE_SIGNAL 37 /* TRC only; got sigsegv/sigbus */ |
| |
| |
| /* Debugging hack for assembly code ... sigh. */ |
| #if 0 |
| #define OYNK(nnn) pushal; pushl $nnn; call VG_(oynk) ; addl $4,%esp; popal |
| #else |
| #define OYNK(nnn) |
| #endif |
| |
| #if 0 |
| #define OYNNK(nnn) pushal; pushl $nnn; call VG_(oynk) ; addl $4,%esp; popal |
| #else |
| #define OYNNK(nnn) |
| #endif |
| |
| |
| /* Constants for the fast translation lookup cache. */ |
| #define VG_TT_FAST_BITS 15 |
| #define VG_TT_FAST_SIZE (1 << VG_TT_FAST_BITS) |
| #define VG_TT_FAST_MASK ((VG_TT_FAST_SIZE) - 1) |
| |
| /* Constants for the fast original-code-write check cache. */ |
| |
| |
| /* Assembly code stubs make this request */ |
| #define VG_USERREQ__SIGNAL_RETURNS 0x4001 |
| |
| #endif /* ndef __VG_INCLUDE_H */ |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end vg_constants.h ---*/ |
| /*--------------------------------------------------------------------*/ |