[src/vm/jit/i386/darwin/Makefile]
[src/vm/jit/i386/freebsd/Makefile]
[src/vm/jit/i386/linux/Makefile]
+ [src/vm/jit/i386/solaris/Makefile]
[src/vm/jit/intrp/Makefile]
[src/vm/jit/inline/Makefile]
[src/vm/jit/ir/Makefile]
[src/vm/jit/x86_64/Makefile]
[src/vm/jit/x86_64/freebsd/Makefile]
[src/vm/jit/x86_64/linux/Makefile]
+ [src/vm/jit/x86_64/solaris/Makefile]
[src/vmcore/Makefile]
[tests/Makefile]
[tests/regression/Makefile]
--- /dev/null
+## src/vm/jit/i386/solaris/Makefile.am
+##
+## Copyright (C) 2008
+## CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+##
+## 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., 51 Franklin Street, Fifth Floor, Boston, MA
+## 02110-1301, USA.
+
+
+AM_CPPFLAGS = -I$(top_srcdir)/src -I$(top_srcdir)/src/vm/jit/$(ARCH_DIR) -I$(top_builddir)/src
+
+LIBS =
+
+noinst_HEADERS = \
+ md-asm.h
+
+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/i386/solaris/md-asm.h - assembler defines for i386 ABI
+
+ Copyright (C) 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+*/
+
+
+#ifndef _MD_ASM_H
+#define _MD_ASM_H
+
+/* register defines ***********************************************************/
+
+#define v0 %eax
+#define itmp1 v0
+
+#define itmp2 %ecx
+#define itmp3 %edx
+
+#define t0 %ebx
+
+#define sp %esp
+#define s0 %ebp
+#define s1 %esi
+#define s2 %edi
+
+#define bp s0
+
+#define itmp1b %al
+
+#define xptr itmp1
+#define xpc itmp2
+#define mptr itmp2
+
+
+/* save and restore macros ****************************************************/
+
+#define SAVE_ARGUMENT_REGISTERS(off) \
+ /* no argument registers */
+
+#define SAVE_TEMPORARY_REGISTERS(off) \
+ mov t0,(0+(off))*4(sp) ;
+
+
+#define RESTORE_ARGUMENT_REGISTERS(off) \
+ /* no argument registers */
+
+#define RESTORE_TEMPORARY_REGISTERS(off) \
+ mov (0+(off))*4(sp),t0 ;
+
+#endif /* _MD_ASM_H */
+
+
+/*
+ * 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:
+ */
--- /dev/null
+/* src/vm/jit/i386/solaris/md-os.c - machine dependent i386 Solaris functions
+
+ Copyright (C) 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+*/
+
+
+#include "config.h"
+
+#include <stdint.h>
+#include <ucontext.h>
+
+#include "vm/types.h"
+
+#include "vm/jit/i386/codegen.h"
+#include "vm/jit/i386/md.h"
+
+#include "threads/thread.h"
+
+#include "vm/builtin.h"
+#include "vm/signallocal.h"
+#include "vm/stringlocal.h"
+
+#include "vm/jit/asmpart.h"
+#include "vm/jit/executionstate.h"
+#include "vm/jit/stacktrace.h"
+#include "vm/jit/trap.h"
+
+
+/* md_signal_handler_sigsegv ***************************************************
+
+ Signal handler for hardware exceptions.
+
+*******************************************************************************/
+
+void md_signal_handler_sigsegv(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pv;
+ u1 *sp;
+ u1 *ra;
+ u1 *xpc;
+ u1 opc;
+ u1 mod;
+ u1 rm;
+ s4 d;
+ s4 disp;
+ ptrint val;
+ s4 type;
+ void *p;
+ java_object_t *o;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ pv = NULL; /* is resolved during stackframeinfo creation */
+ sp = (u1 *) _mc->gregs[ESP];
+ xpc = (u1 *) _mc->gregs[EIP];
+ ra = xpc; /* return address is equal to XPC */
+
+ /* get exception-throwing instruction */
+
+ opc = M_ALD_MEM_GET_OPC(xpc);
+ mod = M_ALD_MEM_GET_MOD(xpc);
+ rm = M_ALD_MEM_GET_RM(xpc);
+
+ /* for values see emit_mov_mem_reg and emit_mem */
+
+ if ((opc == 0x8b) && (mod == 0) && (rm == 5)) {
+ /* this was a hardware-exception */
+
+ d = M_ALD_MEM_GET_REG(xpc);
+ disp = M_ALD_MEM_GET_DISP(xpc);
+
+ /* we use the exception type as load displacement */
+
+ type = disp;
+
+ /* ATTENTION: The _mc->gregs layout is completely crazy! The
+ registers are reversed starting with number 4 for REG_EDI
+ (see /usr/include/sys/ucontext.h). We have to convert that
+ here. */
+
+ val = _mc->gregs[EAX - d];
+
+ if (type == TRAP_COMPILER) {
+ /* The PV from the compiler stub is equal to the XPC. */
+
+ pv = xpc;
+
+ /* We use a framesize of zero here because the call pushed
+ the return addres onto the stack. */
+
+ ra = md_stacktrace_get_returnaddress(sp, 0);
+
+ /* Skip the RA on the stack. */
+
+ sp = sp + 1 * SIZEOF_VOID_P;
+
+ /* The XPC is the RA minus 2, because the RA points to the
+ instruction after the call. */
+
+ xpc = ra - 2;
+ }
+ }
+ else {
+ /* this was a normal NPE */
+
+ type = TRAP_NullPointerException;
+ val = 0;
+ }
+
+ /* Handle the trap. */
+
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
+
+ /* Set registers. */
+
+ if (type == TRAP_COMPILER) {
+ if (p == NULL) {
+ o = builtin_retrieve_exception();
+
+ _mc->gregs[ESP] = (uintptr_t) sp; /* Remove RA from stack. */
+
+ _mc->gregs[EAX] = (uintptr_t) o;
+ _mc->gregs[ECX] = (uintptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[EIP] = (uintptr_t) asm_handle_exception;
+ }
+ else {
+ _mc->gregs[EIP] = (uintptr_t) p;
+ }
+ }
+ else {
+ _mc->gregs[EAX] = (uintptr_t) p;
+ _mc->gregs[ECX] = (uintptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[EIP] = (uintptr_t) asm_handle_exception;
+ }
+}
+
+
+/* md_signal_handler_sigfpe ****************************************************
+
+ ArithmeticException signal handler for hardware divide by zero
+ check.
+
+*******************************************************************************/
+
+void md_signal_handler_sigfpe(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pv;
+ u1 *sp;
+ u1 *ra;
+ u1 *xpc;
+ s4 type;
+ ptrint val;
+ void *p;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ pv = NULL; /* is resolved during stackframeinfo creation */
+ sp = (u1 *) _mc->gregs[ESP];
+ xpc = (u1 *) _mc->gregs[EIP];
+ ra = xpc; /* return address is equal to xpc */
+
+ /* This is an ArithmeticException. */
+
+ type = TRAP_ArithmeticException;
+ val = 0;
+
+ /* Handle the trap. */
+
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
+
+ /* Set registers. */
+
+ _mc->gregs[EAX] = (uintptr_t) p;
+ _mc->gregs[ECX] = (uintptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[EIP] = (uintptr_t) asm_handle_exception;
+}
+
+
+/* md_signal_handler_sigill ****************************************************
+
+ Signal handler for hardware patcher traps (ud2).
+
+*******************************************************************************/
+
+void md_signal_handler_sigill(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pv;
+ u1 *sp;
+ u1 *ra;
+ u1 *xpc;
+ s4 type;
+ ptrint val;
+ void *p;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ pv = NULL; /* is resolved during stackframeinfo creation */
+ sp = (u1 *) _mc->gregs[ESP];
+ xpc = (u1 *) _mc->gregs[EIP];
+ ra = xpc; /* return address is equal to xpc */
+
+ type = TRAP_PATCHER;
+ val = 0;
+
+ /* Handle the trap. */
+
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
+
+ /* Set registers. */
+
+ if (p != NULL) {
+ _mc->gregs[EAX] = (uintptr_t) p;
+ _mc->gregs[ECX] = (uintptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[EIP] = (uintptr_t) asm_handle_exception;
+ }
+}
+
+
+/* md_signal_handler_sigusr1 ***************************************************
+
+ Signal handler for suspending threads.
+
+*******************************************************************************/
+
+#if defined(ENABLE_THREADS) && defined(ENABLE_GC_CACAO)
+void md_signal_handler_sigusr1(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pc;
+ u1 *sp;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* get the PC and SP for this thread */
+ pc = (u1 *) _mc->gregs[EIP];
+ sp = (u1 *) _mc->gregs[ESP];
+
+ /* now suspend the current thread */
+ threads_suspend_ack(pc, sp);
+}
+#endif
+
+
+/* md_signal_handler_sigusr2 ***************************************************
+
+ Signal handler for profiling sampling.
+
+*******************************************************************************/
+
+#if defined(ENABLE_THREADS)
+void md_signal_handler_sigusr2(int sig, siginfo_t *siginfo, void *_p)
+{
+ threadobject *t;
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pc;
+
+ t = THREADOBJECT;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ pc = (u1 *) _mc->gregs[EIP];
+
+ t->pc = pc;
+}
+#endif
+
+
+/* md_executionstate_read ******************************************************
+
+ Read the given context into an executionstate for Replacement.
+
+*******************************************************************************/
+
+void md_executionstate_read(executionstate_t *es, void *context)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ s4 i;
+
+ _uc = (ucontext_t *) context;
+ _mc = &_uc->uc_mcontext;
+
+ /* read special registers */
+ es->pc = (u1 *) _mc->gregs[EIP];
+ es->sp = (u1 *) _mc->gregs[ESP];
+ es->pv = NULL; /* pv must be looked up via AVL tree */
+
+ /* read integer registers */
+ for (i = 0; i < INT_REG_CNT; i++)
+ es->intregs[i] = _mc->gregs[EAX - i];
+
+ /* read float registers */
+ for (i = 0; i < FLT_REG_CNT; i++)
+ es->fltregs[i] = 0xdeadbeefdeadbeefULL;
+}
+
+
+/* md_executionstate_write *****************************************************
+
+ Write the given executionstate back to the context for Replacement.
+
+*******************************************************************************/
+
+void md_executionstate_write(executionstate_t *es, void *context)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ s4 i;
+
+ _uc = (ucontext_t *) context;
+ _mc = &_uc->uc_mcontext;
+
+ /* write integer registers */
+ for (i = 0; i < INT_REG_CNT; i++)
+ _mc->gregs[EAX - i] = es->intregs[i];
+
+ /* write special registers */
+ _mc->gregs[EIP] = (ptrint) es->pc;
+ _mc->gregs[ESP] = (ptrint) es->sp;
+}
+
+
+/*
+ * 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:
+ */
--- /dev/null
+## src/vm/jit/x86_64/solaris/Makefile.am
+##
+## Copyright (C) 2008
+## CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+##
+## 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., 51 Franklin Street, Fifth Floor, Boston, MA
+## 02110-1301, USA.
+
+
+AM_CPPFLAGS = -I$(top_srcdir)/src -I$(top_srcdir)/src/vm/jit/$(ARCH_DIR) -I$(top_builddir)/src
+
+LIBS =
+
+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/x86_64/solaris/md-os.c - machine dependent x86_64 Solaris functions
+
+ Copyright (C) 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+*/
+
+
+#include "config.h"
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <ucontext.h>
+
+#include "vm/types.h"
+
+#include "vm/jit/x86_64/codegen.h"
+#include "vm/jit/x86_64/md.h"
+
+#include "threads/thread.h"
+
+#include "vm/builtin.h"
+#include "vm/signallocal.h"
+
+#include "vm/jit/asmpart.h"
+#include "vm/jit/executionstate.h"
+#include "vm/jit/trap.h"
+#include "vm/jit/stacktrace.h"
+
+
+/* md_signal_handler_sigsegv ***************************************************
+
+ Signal handler for hardware exception.
+
+*******************************************************************************/
+
+void md_signal_handler_sigsegv(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ void *pv;
+ u1 *sp;
+ u1 *ra;
+ u1 *xpc;
+ u1 opc;
+ u1 mod;
+ u1 rm;
+ s4 d;
+ s4 disp;
+ int type;
+ intptr_t val;
+ void *p;
+ java_object_t *o;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* ATTENTION: Don't use CACAO's internal REG_* defines as they are
+ different to the ones in <ucontext.h>. */
+
+ pv = NULL; /* is resolved during stackframeinfo creation */
+ sp = (u1 *) _mc->gregs[REG_RSP];
+ xpc = (u1 *) _mc->gregs[REG_RIP];
+ ra = xpc; /* return address is equal to XPC */
+
+#if 0
+ /* check for StackOverflowException */
+
+ threads_check_stackoverflow(sp);
+#endif
+
+ /* get exception-throwing instruction */
+
+ opc = M_ALD_MEM_GET_OPC(xpc);
+ mod = M_ALD_MEM_GET_MOD(xpc);
+ rm = M_ALD_MEM_GET_RM(xpc);
+
+ /* for values see emit_mov_mem_reg and emit_mem */
+
+ if ((opc == 0x8b) && (mod == 0) && (rm == 4)) {
+ /* this was a hardware-exception */
+
+ d = M_ALD_MEM_GET_REG(xpc);
+ disp = M_ALD_MEM_GET_DISP(xpc);
+
+ /* we use the exception type as load displacement */
+
+ type = disp;
+
+ /* XXX FIX ME! */
+
+ /* ATTENTION: The _mc->gregs layout is even worse than on
+ i386! See /usr/include/sys/ucontext.h. We need a
+ switch-case here... */
+
+ switch (d) {
+ case 0: /* REG_RAX == 14 */
+ d = REG_RAX;
+ break;
+ case 1: /* REG_RCX == 13 */
+ d = REG_RCX;
+ break;
+ case 2: /* REG_RDX == 12 */
+ d = REG_RDX;
+ break;
+ case 3: /* REG_RBX == 11 */
+ d = REG_RBX;
+ break;
+ case 4: /* REG_RSP == 20 */
+ d = REG_RSP;
+ break;
+ case 5: /* REG_RBP == 10 */
+ d = REG_RBP;
+ break;
+ case 6: /* REG_RSI == 9 */
+ d = REG_RSI;
+ break;
+ case 7: /* REG_RDI == 8 */
+ d = REG_RDI;
+ break;
+ case 8: /* REG_R8 == 7 */
+ d = REG_R8;
+ break;
+ case 9: /* REG_R9 == 6 */
+ d = REG_R9;
+ break;
+ case 10: /* REG_R10 == 5 */
+ d = REG_R10;
+ break;
+ case 11: /* REG_R11 == 4 */
+ d = REG_R11;
+ break;
+ case 12: /* REG_R12 == 3 */
+ d = REG_R12;
+ break;
+ case 13: /* REG_R13 == 2 */
+ d = REG_R13;
+ break;
+ case 14: /* REG_R14 == 1 */
+ d = REG_R14;
+ break;
+ case 15: /* REG_R15 == 0 */
+ d = REG_R15;
+ break;
+ }
+
+ val = _mc->gregs[d];
+
+ if (type == TRAP_COMPILER) {
+ /* The PV from the compiler stub is equal to the XPC. */
+
+ pv = xpc;
+
+ /* We use a framesize of zero here because the call pushed
+ the return addres onto the stack. */
+
+ ra = md_stacktrace_get_returnaddress(sp, 0);
+
+ /* Skip the RA on the stack. */
+
+ sp = sp + 1 * SIZEOF_VOID_P;
+
+ /* The XPC is the RA minus 1, because the RA points to the
+ instruction after the call. */
+
+ xpc = ra - 3;
+ }
+ }
+ else {
+ /* this was a normal NPE */
+
+ type = TRAP_NullPointerException;
+ val = 0;
+ }
+
+ /* Handle the trap. */
+
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
+
+ /* Set registers. */
+
+ if (type == TRAP_COMPILER) {
+ if (p == NULL) {
+ o = builtin_retrieve_exception();
+
+ _mc->gregs[REG_RSP] = (uintptr_t) sp; /* Remove RA from stack. */
+
+ _mc->gregs[REG_RAX] = (uintptr_t) o;
+ _mc->gregs[REG_R10] = (uintptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[REG_RIP] = (uintptr_t) asm_handle_exception;
+ }
+ else {
+ _mc->gregs[REG_RIP] = (uintptr_t) p;
+ }
+ }
+ else {
+ _mc->gregs[REG_RAX] = (uintptr_t) p;
+ _mc->gregs[REG_R10] = (uintptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[REG_RIP] = (uintptr_t) asm_handle_exception;
+ }
+}
+
+
+/* md_signal_handler_sigfpe ****************************************************
+
+ ArithmeticException signal handler for hardware divide by zero
+ check.
+
+*******************************************************************************/
+
+void md_signal_handler_sigfpe(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pv;
+ u1 *sp;
+ u1 *ra;
+ u1 *xpc;
+ int type;
+ intptr_t val;
+ void *p;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* ATTENTION: Don't use CACAO's internal REG_* defines as they are
+ different to the ones in <ucontext.h>. */
+
+ pv = NULL;
+ sp = (u1 *) _mc->gregs[REG_RSP];
+ xpc = (u1 *) _mc->gregs[REG_RIP];
+ ra = xpc; /* return address is equal to xpc */
+
+ /* This is an ArithmeticException. */
+
+ type = TRAP_ArithmeticException;
+ val = 0;
+
+ /* Handle the trap. */
+
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
+
+ /* set registers */
+
+ _mc->gregs[REG_RAX] = (intptr_t) p;
+ _mc->gregs[REG_R10] = (intptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[REG_RIP] = (intptr_t) asm_handle_exception;
+}
+
+
+/* md_signal_handler_sigill ****************************************************
+
+ Signal handler for patchers.
+
+*******************************************************************************/
+
+void md_signal_handler_sigill(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pv;
+ u1 *sp;
+ u1 *ra;
+ u1 *xpc;
+ int type;
+ intptr_t val;
+ void *p;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* ATTENTION: Don't use CACAO's internal REG_* defines as they are
+ different to the ones in <ucontext.h>. */
+
+ pv = NULL;
+ sp = (u1 *) _mc->gregs[REG_RSP];
+ xpc = (u1 *) _mc->gregs[REG_RIP];
+ ra = xpc; /* return address is equal to xpc */
+
+ /* This is a patcher. */
+
+ type = TRAP_PATCHER;
+ val = 0;
+
+ /* Handle the trap. */
+
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
+
+ /* set registers */
+
+ if (p != NULL) {
+ _mc->gregs[REG_RAX] = (intptr_t) p;
+ _mc->gregs[REG_R10] = (intptr_t) xpc; /* REG_ITMP2_XPC */
+ _mc->gregs[REG_RIP] = (intptr_t) asm_handle_exception;
+ }
+}
+
+
+/* md_signal_handler_sigusr1 ***************************************************
+
+ Signal handler for suspending threads.
+
+*******************************************************************************/
+
+#if defined(ENABLE_THREADS) && defined(ENABLE_GC_CACAO)
+void md_signal_handler_sigusr1(int sig, siginfo_t *siginfo, void *_p)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pc;
+ u1 *sp;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* ATTENTION: Don't use CACAO's internal REG_* defines as they are
+ different to the ones in <ucontext.h>. */
+
+ /* get the PC and SP for this thread */
+ pc = (u1 *) _mc->gregs[REG_RIP];
+ sp = (u1 *) _mc->gregs[REG_RSP];
+
+ /* now suspend the current thread */
+ threads_suspend_ack(pc, sp);
+}
+#endif
+
+
+/* md_signal_handler_sigusr2 ***************************************************
+
+ Signal handler for profiling sampling.
+
+*******************************************************************************/
+
+#if defined(ENABLE_THREADS)
+void md_signal_handler_sigusr2(int sig, siginfo_t *siginfo, void *_p)
+{
+ threadobject *t;
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ u1 *pc;
+
+ t = THREADOBJECT;
+
+ _uc = (ucontext_t *) _p;
+ _mc = &_uc->uc_mcontext;
+
+ /* ATTENTION: Don't use CACAO's internal REG_* defines as they are
+ different to the ones in <ucontext.h>. */
+
+ pc = (u1 *) _mc->gregs[REG_RIP];
+
+ t->pc = pc;
+}
+#endif
+
+
+/* md_executionstate_read ******************************************************
+
+ Read the given context into an executionstate.
+
+*******************************************************************************/
+
+void md_executionstate_read(executionstate_t *es, void *context)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ s4 i;
+ s4 d;
+
+ _uc = (ucontext_t *) context;
+ _mc = &_uc->uc_mcontext;
+
+ /* read special registers */
+ es->pc = (u1 *) _mc->gregs[REG_RIP];
+ es->sp = (u1 *) _mc->gregs[REG_RSP];
+ es->pv = NULL;
+
+ /* read integer registers */
+ for (i = 0; i < INT_REG_CNT; i++) {
+ /* XXX FIX ME! */
+
+ switch (i) {
+ case 0: /* REG_RAX == 13 */
+ d = REG_RAX;
+ break;
+ case 1: /* REG_RCX == 14 */
+ d = REG_RCX;
+ break;
+ case 2: /* REG_RDX == 12 */
+ d = REG_RDX;
+ break;
+ case 3: /* REG_RBX == 11 */
+ d = REG_RBX;
+ break;
+ case 4: /* REG_RSP == 15 */
+ d = REG_RSP;
+ break;
+ case 5: /* REG_RBP == 10 */
+ d = REG_RBP;
+ break;
+ case 6: /* REG_RSI == 9 */
+ d = REG_RSI;
+ break;
+ case 7: /* REG_RDI == 8 */
+ d = REG_RDI;
+ break;
+ case 8: /* REG_R8 == 0 */
+ case 9: /* REG_R9 == 1 */
+ case 10: /* REG_R10 == 2 */
+ case 11: /* REG_R11 == 3 */
+ case 12: /* REG_R12 == 4 */
+ case 13: /* REG_R13 == 5 */
+ case 14: /* REG_R14 == 6 */
+ case 15: /* REG_R15 == 7 */
+ d = i - 8;
+ break;
+ }
+
+ es->intregs[i] = _mc->gregs[d];
+ }
+
+ /* read float registers */
+ for (i = 0; i < FLT_REG_CNT; i++)
+ es->fltregs[i] = 0xdeadbeefdeadbeefL;
+}
+
+
+/* md_executionstate_write *****************************************************
+
+ Write the given executionstate back to the context.
+
+*******************************************************************************/
+
+void md_executionstate_write(executionstate_t *es, void *context)
+{
+ ucontext_t *_uc;
+ mcontext_t *_mc;
+ s4 i;
+ s4 d;
+
+ _uc = (ucontext_t *) context;
+ _mc = &_uc->uc_mcontext;
+
+ /* write integer registers */
+ for (i = 0; i < INT_REG_CNT; i++) {
+ /* XXX FIX ME! */
+
+ switch (i) {
+ case 0: /* REG_RAX == 13 */
+ d = REG_RAX;
+ break;
+ case 1: /* REG_RCX == 14 */
+ d = REG_RCX;
+ break;
+ case 2: /* REG_RDX == 12 */
+ d = REG_RDX;
+ break;
+ case 3: /* REG_RBX == 11 */
+ d = REG_RBX;
+ break;
+ case 4: /* REG_RSP == 15 */
+ d = REG_RSP;
+ break;
+ case 5: /* REG_RBP == 10 */
+ d = REG_RBP;
+ break;
+ case 6: /* REG_RSI == 9 */
+ d = REG_RSI;
+ break;
+ case 7: /* REG_RDI == 8 */
+ d = REG_RDI;
+ break;
+ case 8: /* REG_R8 == 0 */
+ case 9: /* REG_R9 == 1 */
+ case 10: /* REG_R10 == 2 */
+ case 11: /* REG_R11 == 3 */
+ case 12: /* REG_R12 == 4 */
+ case 13: /* REG_R13 == 5 */
+ case 14: /* REG_R14 == 6 */
+ case 15: /* REG_R15 == 7 */
+ d = i - 8;
+ break;
+ }
+
+ _mc->gregs[d] = es->intregs[i];
+ }
+
+ /* write special registers */
+ _mc->gregs[REG_RIP] = (ptrint) es->pc;
+ _mc->gregs[REG_RSP] = (ptrint) es->sp;
+}
+
+
+/*
+ * 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:
+ * vim:noexpandtab:sw=4:ts=4:
+ */
projects / cacao.git / commitdiff