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/*
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* jit-arch-x86.h - Architecture-specific definitions.
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*
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* Copyright (C) 2006 Southern Storm Software, Pty Ltd.
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*
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* The libjit library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* The libjit library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the libjit library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef _JIT_ARCH_X86_H
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#define _JIT_ARCH_X86_H
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/*
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* If defined _JIT_ARCH_GET_CURRENT_FRAME() macro assigns the current frame
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* pointer to the supplied argument that has to be a void pointer.
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*/
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#if defined(__GNUC__)
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#define _JIT_ARCH_GET_CURRENT_FRAME(f) \
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do { \
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register void *__f asm("ebp"); \
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f = __f; \
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} while(0)
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#elif defined(_MSC_VER) && defined(_M_IX86)
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#define _JIT_ARCH_GET_CURRENT_FRAME(f) \
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do { \
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void *__ptr; \
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__asm \
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{ \
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__asm mov dword ptr __ptr, ebp \
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} \
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(f) = __ptr; \
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} while(0)
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#else
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#undef _JIT_ARCH_GET_CURRENT_FRAME
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#endif
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#endif /* _JIT_ARCH_X86_H */
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