--- /dev/null
+## src/vm/jit/mips/linux/Makefile.am
+##
+## Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
+## R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
+## C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
+## Institut f. Computersprachen - TU Wien
+##
+## This file is part of CACAO.
+##
+## This program is free software; you can redistribute it and/or
+## modify it under the terms of the GNU General Public License as
+## published by the Free Software Foundation; either version 2, or (at
+## your option) any later version.
+##
+## This program 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
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+## 02111-1307, USA.
+##
+## Contact: cacao@complang.tuwien.ac.at
+##
+## Authors: Christian Thalinger
+##
+## Changes:
+##
+## $Id: Makefile.am 3135 2005-08-23 14:53:07Z cacao $
+
+## Process this file with automake to produce Makefile.in
+
+INCLUDES = -I$(top_srcdir)/src -I$(top_srcdir)/src/vm/jit/$(ARCH_DIR)
+
+noinst_HEADERS =
+
+noinst_LTLIBRARIES = libmd.la
+
+libmd_la_SOURCES = \
+ md-os.c
+
+
+## Local variables:
+## mode: Makefile
+## indent-tabs-mode: t
+## c-basic-offset: 4
+## tab-width: 8
+## compile-command: "automake --add-missing"
+## End:
--- /dev/null
+/* src/vm/jit/mips/linux/md-os.c - machine dependent MIPS Linux functions
+
+ Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
+ R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
+ C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
+ Institut f. Computersprachen - TU Wien
+
+ This file is part of CACAO.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ Contact: cacao@complang.tuwien.ac.at
+
+ Authors: Andreas Krall
+ Reinhard Grafl
+
+ Changes: Christian Thalinger
+
+ $Id: md-os.c 3135 2005-08-23 14:53:07Z cacao $
+
+*/
+
+
+#include <assert.h>
+#include <signal.h>
+#include <ucontext.h>
+
+#include "config.h"
+
+#include "vm/jit/mips/md-abi.h"
+#include "vm/jit/mips/types.h"
+
+#include "mm/boehm.h"
+#include "vm/exceptions.h"
+#include "vm/stringlocal.h"
+#include "vm/jit/asmpart.h"
+#include "vm/jit/stacktrace.h"
+
+
+/* md_init *********************************************************************
+
+ Do some machine dependent initialization.
+
+*******************************************************************************/
+
+void md_init(void)
+{
+ /* The Boehm GC initialization blocks the SIGSEGV signal. So we do a */
+ /* dummy allocation here to ensure that the GC is initialized. */
+
+ heap_allocate(1, 0, NULL);
+
+#if 0
+ /* Turn off flush-to-zero */
+
+ {
+ union fpc_csr n;
+ n.fc_word = get_fpc_csr();
+ n.fc_struct.flush = 0;
+ set_fpc_csr(n.fc_word);
+ }
+#endif
+}
+
+
+/* signal_handler_sigsegv ******************************************************
+
+ NullPointerException signal handler for hardware null pointer check.
+
+*******************************************************************************/
+
+void signal_handler_sigsegv(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u4 instr;
+ ptrint addr;
+ u1 *pv;
+ u1 *sp;
+ functionptr ra;
+ functionptr xpc;
+
+ _uc = (struct ucontext *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* in ucontext.h the registers are defined as long long, even for MIPS32, so we cast them */
+
+ instr = *((u4 *) ((ptrint) _mc->pc));
+ addr = _mc->gregs[(instr >> 21) & 0x1f];
+
+ if (addr == 0) {
+ pv = (u1 *) (ptrint) _mc->gregs[REG_PV];
+ sp = (u1 *) (ptrint) _mc->gregs[REG_SP];
+ ra = (functionptr) (ptrint) _mc->gregs[REG_RA]; /* this is correct for leafs*/
+ xpc = (functionptr) (ptrint) _mc->pc;
+
+ _mc->gregs[REG_ITMP1_XPTR] =
+ (ptrint) stacktrace_hardware_nullpointerexception(pv, sp, ra, xpc);
+
+ _mc->gregs[REG_ITMP2_XPC] = (ptrint) xpc;
+ _mc->pc = (ptrint) asm_handle_exception;
+
+ } else {
+ addr += (long) ((instr << 16) >> 16);
+
+ throw_cacao_exception_exit(string_java_lang_InternalError,
+ "faulting address: 0x%lx at 0x%lx\n",
+ addr, _mc->pc);
+ }
+}
+
+
+#if defined(USE_THREADS) && defined(NATIVE_THREADS)
+void thread_restartcriticalsection(ucontext_t *_uc)
+{
+ mcontext_t *_mc;
+ void *critical;
+
+ _mc = &_uc->uc_mcontext;
+
+ critical = thread_checkcritical((void *) (ptrint) _mc->pc);
+
+ if (critical)
+ _mc->pc = (ptrint) critical;
+}
+#endif
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
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