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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
*/
.file "asm_subr.s"
#include "SYS.h"
#include <sys/trap.h>
#include <../assym.h>
! This is where execution resumes when a thread created with
! thr_create() or pthread_create() returns (see setup_context()).
! We pass the (void *) return value to _thrp_terminate().
ENTRY(_lwp_start)
nop ! this is the location from which the func() was "called"
nop
call _thrp_terminate ! %o0 contains the return value
nop
SET_SIZE(_lwp_start)
ENTRY(_lwp_terminate)
! Flush the register windows so the stack can be reused.
ta ST_FLUSH_WINDOWS
! All we need to do now is (carefully) call lwp_exit().
mov SYS_lwp_exit, %g1
ta SYSCALL_TRAPNUM
RET ! if we return, it is very bad
SET_SIZE(_lwp_terminate)
ENTRY(set_curthread)
retl
mov %o0, %g7
SET_SIZE(set_curthread)
#ifdef __sparcv9
#define GREGSIZE 8
#else
#define GREGSIZE 4
#endif
! void _fetch_globals(greg_t *);
! (called from siglongjmp())
ENTRY(_fetch_globals)
stn %g1, [%o0 + 0*GREGSIZE]
stn %g2, [%o0 + 1*GREGSIZE]
stn %g3, [%o0 + 2*GREGSIZE]
stn %g4, [%o0 + 3*GREGSIZE]
stn %g5, [%o0 + 4*GREGSIZE]
stn %g6, [%o0 + 5*GREGSIZE]
retl
stn %g7, [%o0 + 6*GREGSIZE]
SET_SIZE(_fetch_globals)
#ifdef __sparcv9
ENTRY(_getfprs)
retl
mov %fprs, %o0
SET_SIZE(_getfprs)
#else
ENTRY(_getpsr)
retl
ta ST_GETPSR
SET_SIZE(_getpsr)
ENTRY(_do_fix_align)
retl
ta ST_FIX_ALIGN
SET_SIZE(_do_fix_align)
#endif
ENTRY(_getfsr)
retl
stn %fsr, [%o0]
SET_SIZE(_getfsr)
ENTRY(_setfsr)
retl
ldn [%o0], %fsr
SET_SIZE(_setfsr)
ENTRY(_flush_windows)
retl
ta ST_FLUSH_WINDOWS
SET_SIZE(_flush_windows)
ENTRY(__lwp_park)
mov %o1, %o2
mov %o0, %o1
mov 0, %o0
SYSTRAP_RVAL1(lwp_park)
SYSLWPERR
RET
SET_SIZE(__lwp_park)
ENTRY(__lwp_unpark)
mov %o0, %o1
mov 1, %o0
SYSTRAP_RVAL1(lwp_park)
SYSLWPERR
RET
SET_SIZE(__lwp_unpark)
ENTRY(__lwp_unpark_all)
mov %o1, %o2
mov %o0, %o1
mov 2, %o0
SYSTRAP_RVAL1(lwp_park)
SYSLWPERR
RET
SET_SIZE(__lwp_unpark_all)
/*
* __sighndlr(int sig, siginfo_t *si, ucontex_t *uc, void (*hndlr)())
*
* This is called from sigacthandler() for the entire purpose of
* communicating the ucontext to java's stack tracing functions.
*/
ENTRY(__sighndlr)
.globl __sighndlrend
save %sp, -SA(MINFRAME), %sp
mov %i0, %o0
mov %i1, %o1
jmpl %i3, %o7
mov %i2, %o2
ret
restore
__sighndlrend:
SET_SIZE(__sighndlr)
/*
* int _sigsetjmp(sigjmp_buf env, int savemask)
*
* This version is faster than the old non-threaded version because we
* don't normally have to call __getcontext() to get the signal mask.
* (We have a copy of it in the ulwp_t structure.)
*/
#undef sigsetjmp
ENTRY2(sigsetjmp,_sigsetjmp)
stn %sp, [%o0 + SJS_SP] ! save caller's sp into env->sjs_sp
add %o7, 8, %o2 ! calculate caller's return pc
stn %o2, [%o0 + SJS_PC] ! save caller's pc into env->sjs_pc
stn %fp, [%o0 + SJS_FP] ! save caller's return linkage
stn %i7, [%o0 + SJS_I7]
#ifdef __sparcv9
rd %asi, %o3
rd %fprs, %o4
stx %o3, [%o0 + SJS_ASI]
stx %o4, [%o0 + SJS_FPRS]
#endif
call __csigsetjmp
sub %o2, 8, %o7 ! __csigsetjmp returns to caller
SET_SIZE(sigsetjmp)
SET_SIZE(_sigsetjmp)
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