mirror of https://github.com/ademakov/libjit
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.5 KiB
87 lines
2.5 KiB
/*
|
|
* jit-arch-x86.h - Architecture-specific definitions.
|
|
*
|
|
* Copyright (C) 2008 Southern Storm Software, Pty Ltd.
|
|
*
|
|
* The libjit library is free software: you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation, either version 2.1 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* The libjit library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with the libjit library. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _JIT_ARCH_X86_64_H
|
|
#define _JIT_ARCH_X86_64_H
|
|
|
|
/*
|
|
* The frame header structure for X86_64
|
|
*/
|
|
typedef struct _jit_arch_frame _jit_arch_frame_t;
|
|
struct _jit_arch_frame
|
|
{
|
|
_jit_arch_frame_t *next_frame;
|
|
void *return_address;
|
|
};
|
|
|
|
/*
|
|
* If defined _JIT_ARCH_GET_CURRENT_FRAME() macro assigns the current frame
|
|
* pointer to the supplied argument that has to be a void pointer.
|
|
*/
|
|
#if defined(__GNUC__)
|
|
#define _JIT_ARCH_GET_CURRENT_FRAME(f) \
|
|
do { \
|
|
register void *__f asm("rbp"); \
|
|
f = __f; \
|
|
} while(0)
|
|
#elif defined(_MSC_VER) && defined(_M_IX86)
|
|
#define _JIT_ARCH_GET_CURRENT_FRAME(f) \
|
|
do { \
|
|
void *__ptr; \
|
|
__asm \
|
|
{ \
|
|
__asm mov qword ptr __ptr, rbp \
|
|
} \
|
|
(f) = __ptr; \
|
|
} while(0)
|
|
#else
|
|
#undef _JIT_ARCH_GET_CURRENT_FRAME
|
|
#endif
|
|
|
|
/*
|
|
* If defined _JIT_ARCH_GET_NEXT_FRAME() assigns the frame address following
|
|
* the frame supplied as second arg to the value supplied as first argument.
|
|
*/
|
|
#define _JIT_ARCH_GET_NEXT_FRAME(n, f) \
|
|
do { \
|
|
(n) = (void *)((f) ? ((_jit_arch_frame_t *)(f))->next_frame : 0); \
|
|
} while(0)
|
|
|
|
/*
|
|
* If defined _JIT_ARCH_GET_RETURN_ADDRESS() assigns the return address of
|
|
* the frame supplied as second arg to the value supplied as first argument.
|
|
*/
|
|
#define _JIT_ARCH_GET_RETURN_ADDRESS(r, f) \
|
|
do { \
|
|
(r) = (void *)((f) ? ((_jit_arch_frame_t *)(f))->return_address : 0); \
|
|
} while(0)
|
|
|
|
/*
|
|
* If defined _JIT_ARCH_GET_CURRENT_RETURN() assigns the return address of
|
|
* the current to the supplied argument.
|
|
*/
|
|
#define _JIT_ARCH_GET_CURRENT_RETURN(r) \
|
|
do { \
|
|
void *__frame; \
|
|
_JIT_ARCH_GET_CURRENT_FRAME(__frame); \
|
|
_JIT_ARCH_GET_RETURN_ADDRESS((r), __frame); \
|
|
} while(0)
|
|
|
|
#endif /* _JIT_ARCH_X86_64_H */
|
|
|