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Clean-up some unused (or to-be-used) variables in svr4_getcontext()
This commit is contained in:
newton 1999-07-30 12:47:17 +00:00
parent fca7fa0ee1
commit f54f0c9cec
3 changed files with 10 additions and 12 deletions
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12
sys/i386/svr4/svr4_locore.s
View File

@ -3,6 +3,8 @@
#include <svr4/svr4_syscall.h> /* system call numbers */
/* $Id$ */
NON_GPROF_ENTRY(svr4_sigcode)
call SVR4_SIGF_HANDLER(%esp)
leal SVR4_SIGF_UC(%esp),%eax # ucp (the call may have clobbered the
@ -15,19 +17,9 @@ NON_GPROF_ENTRY(svr4_sigcode)
#endif
movl SVR4_UC_GS(%eax),%edx
movl %dx,%gs
#if defined(__NetBSD__)
movl SVR4_UC_FS(%eax),%ecx
movl %cx,%fs
1: pushl %eax
pushl $1 # setcontext(p) == syscontext(1, p)
pushl %eax # junk to fake return address
movl $_svr4_sys_context,%eax
#else
/* must be FreeBSD, right? */
1: pushl %eax # fake return address
pushl $1 # pointer to ucontext
movl $_svr4_sys_context,%eax
#endif
int $0x80 # enter kernel with args on stack
movl $exit,%eax
int $0x80 # exit if sigreturn fails

8
sys/i386/svr4/svr4_machdep.c
View File

@ -24,6 +24,8 @@
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id$
*/
#include <sys/types.h>
@ -106,10 +108,12 @@ svr4_getcontext(p, uc, mask, oonstack)
int mask, oonstack;
{
struct trapframe *tf = p->p_md.md_regs;
struct sigacts *psp = p->p_sigacts;
svr4_greg_t *r = uc->uc_mcontext.greg;
struct svr4_sigaltstack *s = &uc->uc_stack;
#ifdef DONE_MORE_SIGALTSTACK_WORK
struct sigacts *psp = p->p_sigacts;
struct sigaltstack *sf = &psp->ps_sigstk;
#endif
memset(uc, 0, sizeof(struct svr4_ucontext));
@ -156,7 +160,7 @@ svr4_getcontext(p, uc, mask, oonstack)
/*
* Set the signal stack
*/
#if 0
#if DONE_MORE_SIGALTSTACK_WORK
bsd_to_svr4_sigaltstack(sf, s);
#else
s->ss_sp = (void *)(((u_long) tf->tf_esp) & ~(16384 - 1));

2
sys/i386/svr4/svr4_machdep.h
View File

@ -24,6 +24,8 @@
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id$
*/
#ifndef _I386_SVR4_MACHDEP_H_