1 /* src/vm/jit/s390/md.h - machine dependent s390 Linux functions
3 Copyright (C) 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.
13 This program is distributed in the hope that it will be useful, but
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_S390_MD_H
27 #define _VM_JIT_S390_MD_H
34 #include "vm/jit/codegen-common.hpp"
35 #include "vm/jit/methodtree.h"
39 * Returns the size (in bytes) of the current stackframe, specified by
40 * the passed codeinfo structure.
42 inline static int32_t md_stacktrace_get_framesize(codeinfo* code)
44 // Check for the asm_vm_call_method special case.
48 // On S390 we use 8-byte stackslots.
49 return code->stackframesize * 8;
53 /* md_stacktrace_get_returnaddress *********************************************
55 Returns the return address of the current stackframe, specified by
56 the passed stack pointer and the stack frame size.
58 *******************************************************************************/
60 inline static void *md_stacktrace_get_returnaddress(void *sp, int32_t stackframesize)
64 /* On S390 the return address is located on the top of the
67 ra = *((void **) (((uintptr_t) sp) + stackframesize - 8));
73 /* md_codegen_get_pv_from_pc ***************************************************
75 On this architecture just a wrapper function to methodtree_find.
77 *******************************************************************************/
79 inline static void *md_codegen_get_pv_from_pc(void *ra)
83 /* Get the start address of the function which contains this
84 address from the method table. */
86 pv = methodtree_find(ra);
92 /* md_cacheflush ***************************************************************
94 Calls the system's function to flush the instruction and data
97 *******************************************************************************/
99 inline static void md_cacheflush(void *addr, int nbytes)
105 /* md_icacheflush **************************************************************
107 Calls the system's function to flush the instruction cache.
109 *******************************************************************************/
111 inline static void md_icacheflush(void *addr, int nbytes)
117 /* md_dcacheflush **************************************************************
119 Calls the system's function to flush the data cache.
121 *******************************************************************************/
123 inline static void md_dcacheflush(void *addr, int nbytes)
128 #endif /* _VM_JIT_S390_MD_H */
132 * These are local overrides for various environment variables in Emacs.
133 * Please do not remove this and leave it at the end of the file, where
134 * Emacs will automagically detect them.
135 * ---------------------------------------------------------------------
138 * indent-tabs-mode: t
142 * vim:noexpandtab:sw=4:ts=4: