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Diffstat (limited to 'js/src/nanojit/njcpudetect.h')
| -rw-r--r-- | js/src/nanojit/njcpudetect.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/js/src/nanojit/njcpudetect.h b/js/src/nanojit/njcpudetect.h new file mode 100644 index 0000000..db2313f --- /dev/null +++ b/js/src/nanojit/njcpudetect.h @@ -0,0 +1,115 @@ +/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */ +/* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */ +/* ***** 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 __njcpudetect__ +#define __njcpudetect__ + +/*** + * Note: this file should not include *any* other files, nor should it wrap + * itself in ifdef FEATURE_NANOJIT, nor should it do anything other than + * define preprocessor symbols. + */ + +/*** + * NJ_COMPILER_ARM_ARCH attempts to specify the minimum ARM architecture + * that the C++ compiler has specified. Note that although Config::arm_arch + * is initialized to this value by default, there is no requirement that they + * be in sync. + * + * Note, this is done via #define so that downstream preprocessor usage can + * examine it, but please don't attempt to redefine it. + * + * Note, this is deliberately not encased in "ifdef NANOJIT_ARM", as this file + * may be included before that is defined. On non-ARM platforms we will hit the + * "Unable to determine" case. + */ + +// GCC and RealView usually define __ARM_ARCH__ +#if defined(__ARM_ARCH__) + + #define NJ_COMPILER_ARM_ARCH __ARM_ARCH__ + +// ok, try well-known GCC flags ( see http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html ) +#elif defined(__ARM_ARCH_7__) || \ + defined(__ARM_ARCH_7A__) || \ + defined(__ARM_ARCH_7M__) || \ + defined(__ARM_ARCH_7R__) || \ + defined(_ARM_ARCH_7) + + #define NJ_COMPILER_ARM_ARCH 7 + +#elif defined(__ARM_ARCH_6__) || \ + defined(__ARM_ARCH_6J__) || \ + defined(__ARM_ARCH_6T2__) || \ + defined(__ARM_ARCH_6Z__) || \ + defined(__ARM_ARCH_6ZK__) || \ + defined(__ARM_ARCH_6M__) || \ + defined(_ARM_ARCH_6) + + #define NJ_COMPILER_ARM_ARCH 6 + +#elif defined(__ARM_ARCH_5__) || \ + defined(__ARM_ARCH_5T__) || \ + defined(__ARM_ARCH_5E__) || \ + defined(__ARM_ARCH_5TE__) + + #define NJ_COMPILER_ARM_ARCH 5 + +#elif defined(__ARM_ARCH_4T__) + + #define NJ_COMPILER_ARM_ARCH 4 + +// Visual C has its own mojo +#elif defined(_MSC_VER) && defined(_M_ARM) + + #define NJ_COMPILER_ARM_ARCH _M_ARM + +// RVCT +#elif defined(__TARGET_ARCH_ARM) + + #define NJ_COMPILER_ARM_ARCH __TARGET_ARCH_ARM + +#else + + // non-numeric value + #define NJ_COMPILER_ARM_ARCH "Unable to determine valid NJ_COMPILER_ARM_ARCH (nanojit only supports ARMv4T or later)" + +#endif + +#endif // __njcpudetect__ |