gecko/js/src/nanojit/Native.h

128 lines
3.8 KiB
C++

/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is [Open Source Virtual Machine].
*
* The Initial Developer of the Original Code is
* Adobe System Incorporated.
* Portions created by the Initial Developer are Copyright (C) 2004-2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Adobe AS3 Team
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __nanojit_Native__
#define __nanojit_Native__
#ifdef NANOJIT_IA32
#include "Nativei386.h"
#elif defined(NANOJIT_ARM)
#ifdef THUMB
#include "NativeThumb.h"
#else
#include "NativeARM.h"
#endif
#elif defined(NANOJIT_PPC)
#include "NativePpc.h"
#elif defined(NANOJIT_SPARC)
#include "NativeSparc.h"
#elif defined(NANOJIT_AMD64)
#include "NativeAMD64.h"
#else
#error "unknown nanojit architecture"
#endif
namespace nanojit {
const uint32_t NJ_PAGE_SIZE = 1 << NJ_LOG2_PAGE_SIZE;
class Fragment;
struct SideExit;
struct SwitchInfo;
struct GuardRecord
{
void* jmp;
GuardRecord* next;
SideExit* exit;
};
struct SideExit
{
GuardRecord* guards;
Fragment* from;
Fragment* target;
SwitchInfo* switchInfo;
void addGuard(GuardRecord* gr)
{
NanoAssert(gr->next == NULL);
NanoAssert(guards != gr);
gr->next = guards;
guards = gr;
}
};
}
#ifdef NJ_STACK_GROWTH_UP
#define stack_direction(n) n
#else
#define stack_direction(n) -n
#endif
#define isSPorFP(r) ( (r)==SP || (r)==FP )
#if defined(_MSC_VER) && _MSC_VER < 1400
static void asm_output(const char *f, ...) {}
#define gpn(r) regNames[(r)]
#define fpn(r) regNames[(r)]
#elif defined(NJ_VERBOSE)
#define asm_output(...) do {\
counter_increment(native);\
if (verbose_enabled()) {\
outline[0]='\0';\
if (outputAddr) sprintf(outline, " %10p ",_nIns);\
else sprintf(outline, " ");\
sprintf(&outline[14], ##__VA_ARGS__);\
Assembler::outputAlign(outline, 45);\
RegAlloc::formatRegisters(_allocator, outline, _thisfrag);\
Assembler::output_asm(outline);\
outputAddr=false; /* set =true if you like to see addresses for each native instruction */ \
}\
} while (0) /* no semi */
#define gpn(r) regNames[(r)]
#define fpn(r) regNames[(r)]
#else
#define asm_output(...)
#define gpn(r)
#define fpn(r)
#endif /* NJ_VERBOSE */
#endif // __nanojit_Native__