1 /* src/vm/jit/x86_64/md.h - machine dependent x86_64 functions
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 #ifndef _VM_JIT_X86_64_MD_H
27 #define _VM_JIT_X86_64_MD_H
34 #include "vm/jit/codegen-common.h"
35 #include "vm/jit/methodtree.h"
38 /* inline functions ***********************************************************/
40 /* md_stacktrace_get_returnaddress *********************************************
42 Returns the return address of the current stackframe, specified by
43 the passed stack pointer and the stack frame size.
45 *******************************************************************************/
47 inline static void *md_stacktrace_get_returnaddress(void *sp, int32_t stackframesize)
51 /* On x86_64 the return address is above the current stack
54 ra = *((void **) (((uintptr_t) sp) + stackframesize));
60 /* md_codegen_get_pv_from_pc ***************************************************
62 On this architecture this is just a wrapper to methodtree_find.
64 *******************************************************************************/
66 inline static void *md_codegen_get_pv_from_pc(void *ra)
70 /* Get the start address of the function which contains this
71 address from the method tree. */
73 pv = methodtree_find(ra);
79 /* md_cacheflush ***************************************************************
81 Calls the system's function to flush the instruction and data
84 *******************************************************************************/
86 inline static void md_cacheflush(void* addr, int nbytes)
88 // Compiler optimization barrier (see PR97).
89 __asm__ __volatile__ ("" : : : "memory");
93 /* md_icacheflush **************************************************************
95 Calls the system's function to flush the instruction cache.
97 *******************************************************************************/
99 inline static void md_icacheflush(void* addr, int nbytes)
101 // Compiler optimization barrier (see PR97).
102 __asm__ __volatile__ ("" : : : "memory");
106 /* md_dcacheflush **************************************************************
108 Calls the system's function to flush the data cache.
110 *******************************************************************************/
112 inline static void md_dcacheflush(void* addr, int nbytes)
114 // Compiler optimization barrier (see PR97).
115 __asm__ __volatile__ ("" : : : "memory");
118 #endif /* _VM_JIT_X86_64_MD_H */
122 * These are local overrides for various environment variables in Emacs.
123 * Please do not remove this and leave it at the end of the file, where
124 * Emacs will automagically detect them.
125 * ---------------------------------------------------------------------
128 * indent-tabs-mode: t
132 * vim:noexpandtab:sw=4:ts=4: