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124 lines
3.4 KiB
124 lines
3.4 KiB
/*
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* jit-apply-func.h - Definition of "__builtin_apply" and friends.
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*
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* Copyright (C) 2004 Southern Storm Software, Pty Ltd.
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*
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* This file is part of the libjit library.
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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_APPLY_FUNC_H
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#define _JIT_APPLY_FUNC_H
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#if defined(__i386) || defined(__i386__) || defined(_M_IX86)
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#include "jit-apply-x86.h"
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#elif defined(__arm) || defined(__arm__)
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#include "jit-apply-arm.h"
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#elif defined(__alpha) || defined(__alpha__)
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#include "jit-apply-alpha.h"
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#elif defined(__x86_64) || defined(__x86_64__)
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#include "jit-apply-x86-64.h"
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#endif
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#if !defined(jit_builtin_apply)
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#define jit_builtin_apply(func,args,size,return_float,return_buf) \
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do { \
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(return_buf) = __builtin_apply \
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((void (*)())(func), (args), (size)); \
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} while (0)
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#endif
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#if !defined(jit_builtin_apply_args)
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#define jit_builtin_apply_args(type,args) \
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do { \
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(args) = (type)__builtin_apply_args(); \
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} while (0)
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#endif
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#if !defined(jit_builtin_return_int)
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#define jit_builtin_return_int(return_buf) \
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do { \
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__builtin_return((return_buf)); \
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} while (0)
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#endif
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#if !defined(jit_builtin_return_long)
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#define jit_builtin_return_long(return_buf) \
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do { \
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__builtin_return((return_buf)); \
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} while (0)
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#endif
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#if !defined(jit_builtin_return_float)
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#define jit_builtin_return_float(return_buf) \
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do { \
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__builtin_return((return_buf)); \
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} while (0)
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#endif
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#if !defined(jit_builtin_return_double)
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#define jit_builtin_return_double(return_buf) \
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do { \
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__builtin_return((return_buf)); \
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} while (0)
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#endif
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#if !defined(jit_builtin_return_nfloat)
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#define jit_builtin_return_nfloat(return_buf) \
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do { \
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__builtin_return((return_buf)); \
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} while (0)
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#endif
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/*
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* Create a closure for the underlying platform in the given buffer.
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* The closure must arrange to call "func" with two arguments:
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* "closure" and a pointer to an apply structure.
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*/
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void _jit_create_closure(unsigned char *buf, void *func,
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void *closure, void *type);
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/*
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* Create a redirector stub for the underlying platform in the given buffer.
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* The redirector arranges to call "func" with the "user_data" argument.
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* It is assumed that "func" returns a pointer to the actual function.
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* Returns a pointer to the position in "buf" where the redirector starts,
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* which may be different than "buf" if alignment occurred.
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*/
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void *_jit_create_redirector(unsigned char *buf, void *func,
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void *user_data, int abi);
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/*
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* Create the indirector for the function.
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*/
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void *_jit_create_indirector(unsigned char *buf, void **entry);
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/*
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* Pad a buffer with NOP instructions. Used to align code.
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* This will only be called if "jit_should_pad" is defined.
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*/
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void _jit_pad_buffer(unsigned char *buf, int len);
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#endif /* _JIT_APPLY_FUNC_H */
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