Arch-abstraction:
- renamed "vg_constants.h" as "core_asm.h".
- renamed "vg_constants_skin.h" as "tool_asm.h".
- renamed "mc_constants.h" as "mc_asm.h".


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2650 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/core_asm.h b/coregrind/core_asm.h
new file mode 100644
index 0000000..9d470d4
--- /dev/null
+++ b/coregrind/core_asm.h
@@ -0,0 +1,187 @@
+
+/*--------------------------------------------------------------------*/
+/*--- Asm-specific core stuff.                          core_asm.h ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+   This file is part of Valgrind, an extensible x86 protected-mode
+   emulator for monitoring program execution on x86-Unixes.
+
+   Copyright (C) 2000-2004 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 __CORE_ASM_H
+#define __CORE_ASM_H
+
+#include "tool_asm.h"
+
+/* This file is included in all Valgrind source files, including
+   assembly ones. */
+
+/* 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_SYSCALL    19 /* EBP and TRC */
+#define VG_TRC_EBP_JMP_CLIENTREQ  23 /* EBP and TRC */
+#define VG_TRC_EBP_JMP_YIELD      27 /* EBP and TRC */
+
+#define VG_TRC_INNER_FASTMISS     31 /* TRC only; means fast-cache miss. */
+#define VG_TRC_INNER_COUNTERZERO  29 /* TRC only; means bb ctr == 0 */
+#define VG_TRC_UNRESUMABLE_SIGNAL 37 /* TRC only; got sigsegv/sigbus */
+
+/* size of call instruction put into generated code at jump sites */
+#define VG_PATCHME_CALLSZ	5
+
+/* size of jmp instruction which overwrites the call */
+#define VG_PATCHME_JMPSZ	5
+
+/* maximum number of normal jumps which can appear in a basic block */
+#define VG_MAX_JUMPS		2
+
+/* Offset of code in a TCEntry */
+#define VG_CODE_OFFSET		(8 + VG_MAX_JUMPS * 2)
+
+/* Client address space segment limit descriptor entry */
+#define VG_POINTERCHECK_SEGIDX	1
+
+/* 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
+
+/* 
+   0 - standard feature flags
+   1 - Intel extended flags
+   2 - Valgrind internal flags
+   3 - AMD-specific flags
+ */
+#define VG_N_FEATURE_WORDS	4
+
+#define VG_X86_FEAT		0
+#define VG_EXT_FEAT		1
+#define VG_INT_FEAT		2
+#define VG_AMD_FEAT		3
+
+/* CPU features (generic) */
+#define VG_X86_FEAT_FPU		(VG_X86_FEAT*32 + 0)
+#define VG_X86_FEAT_VME		(VG_X86_FEAT*32 + 1)
+#define VG_X86_FEAT_DE		(VG_X86_FEAT*32 + 2)
+#define VG_X86_FEAT_PSE		(VG_X86_FEAT*32 + 3)
+#define VG_X86_FEAT_TSC		(VG_X86_FEAT*32 + 4)
+#define VG_X86_FEAT_MSR		(VG_X86_FEAT*32 + 5)
+#define VG_X86_FEAT_PAE		(VG_X86_FEAT*32 + 6)
+#define VG_X86_FEAT_MCE		(VG_X86_FEAT*32 + 7)
+#define VG_X86_FEAT_CX8		(VG_X86_FEAT*32 + 8)
+#define VG_X86_FEAT_APIC	(VG_X86_FEAT*32 + 9)
+#define VG_X86_FEAT_SEP		(VG_X86_FEAT*32 + 11)
+#define VG_X86_FEAT_MTRR	(VG_X86_FEAT*32 + 12)
+#define VG_X86_FEAT_PGE		(VG_X86_FEAT*32 + 13)
+#define VG_X86_FEAT_MCA		(VG_X86_FEAT*32 + 14)
+#define VG_X86_FEAT_CMOV	(VG_X86_FEAT*32 + 15)
+#define VG_X86_FEAT_PAT		(VG_X86_FEAT*32 + 16)
+#define VG_X86_FEAT_PSE36	(VG_X86_FEAT*32 + 17)
+#define VG_X86_FEAT_CLFSH	(VG_X86_FEAT*32 + 19)
+#define VG_X86_FEAT_DS		(VG_X86_FEAT*32 + 21)
+#define VG_X86_FEAT_ACPI	(VG_X86_FEAT*32 + 22)
+#define VG_X86_FEAT_MMX		(VG_X86_FEAT*32 + 23)
+#define VG_X86_FEAT_FXSR	(VG_X86_FEAT*32 + 24)
+#define VG_X86_FEAT_SSE		(VG_X86_FEAT*32 + 25)
+#define VG_X86_FEAT_SSE2	(VG_X86_FEAT*32 + 26)
+#define VG_X86_FEAT_SS		(VG_X86_FEAT*32 + 27)
+#define VG_X86_FEAT_HT		(VG_X86_FEAT*32 + 28)
+#define VG_X86_FEAT_TM		(VG_X86_FEAT*32 + 29)
+#define VG_X86_FEAT_IA64	(VG_X86_FEAT*32 + 30)
+#define VG_X86_FEAT_PBE		(VG_X86_FEAT*32 + 31)
+
+/* Intel extended feature word */
+#define VG_X86_FEAT_SSE3	(VG_EXT_FEAT*32 + 0)
+#define VG_X86_FEAT_MON		(VG_EXT_FEAT*32 + 3)
+#define VG_X86_FEAT_DSCPL	(VG_EXT_FEAT*32 + 4)
+#define VG_X86_FEAT_EST		(VG_EXT_FEAT*32 + 7)
+#define VG_X86_FEAT_TM2		(VG_EXT_FEAT*32 + 8)
+#define VG_X86_FEAT_CNXTID	(VG_EXT_FEAT*32 + 10)
+
+/* Used internally to mark whether CPUID is even implemented */
+#define VG_X86_FEAT_CPUID	(VG_INT_FEAT*32 + 0)
+
+/* AMD special features */
+#define VG_AMD_FEAT_SYSCALL	(VG_AMD_FEAT*32 + 11)
+#define VG_AMD_FEAT_NXP		(VG_AMD_FEAT*32 + 20)
+#define VG_AMD_FEAT_MMXEXT	(VG_AMD_FEAT*32 + 22)
+#define VG_AMD_FEAT_FFXSR	(VG_AMD_FEAT*32 + 25)
+#define VG_AMD_FEAT_LONGMODE	(VG_AMD_FEAT*32 + 29)
+#define VG_AMD_FEAT_3DNOWEXT	(VG_AMD_FEAT*32 + 30)
+#define VG_AMD_FEAT_3DNOW	(VG_AMD_FEAT*32 + 31)
+
+/* Various environment variables we pay attention to */
+
+/* The directory we look for all our auxillary files in */
+#define VALGRINDLIB	"VALGRINDLIB"
+
+/* Additional command-line arguments; they are overridden by actual
+   command-line option.  Each argument is separated by spaces.  There
+   is no quoting mechanism.
+ */
+#define VALGRINDOPTS	"VALGRIND_OPTS"
+
+/* If this variable is present in the environment, then valgrind will
+   not parse the command line for options at all; all options come
+   from this variable.  Arguments are terminated by ^A (\001).  There
+   is no quoting mechanism.
+
+   This variable is not expected to be set by anything other than
+   Valgrind itself, as part of its handling of execve with
+   --trace-children=yes.  This variable should not be present in the
+   client environment.
+ */
+#define VALGRINDCLO	"_VALGRIND_CLO"
+
+#endif /* ndef __CORE_ASM_H */
+
+/*--------------------------------------------------------------------*/
+/*--- end                                                          ---*/
+/*--------------------------------------------------------------------*/