Module Name: src
Committed By: jmcneill
Date: Wed Dec 14 04:12:22 UTC 2011
Modified Files:
src/sys/arch/usermode/dev: cpu.c
src/sys/arch/usermode/include: machdep.h
src/sys/arch/usermode/usermode: trap.c
Log Message:
need to sigaltstack for each lwp
To generate a diff of this commit:
cvs rdiff -u -r1.50 -r1.51 src/sys/arch/usermode/dev/cpu.c
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/usermode/include/machdep.h
cvs rdiff -u -r1.43 -r1.44 src/sys/arch/usermode/usermode/trap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/dev/cpu.c
diff -u src/sys/arch/usermode/dev/cpu.c:1.50 src/sys/arch/usermode/dev/cpu.c:1.51
--- src/sys/arch/usermode/dev/cpu.c:1.50 Tue Dec 13 12:25:42 2011
+++ src/sys/arch/usermode/dev/cpu.c Wed Dec 14 04:12:22 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.50 2011/12/13 12:25:42 reinoud Exp $ */
+/* $NetBSD: cpu.c,v 1.51 2011/12/14 04:12:22 jmcneill Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcne...@invisible.ca>
@@ -30,7 +30,7 @@
#include "opt_hz.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.50 2011/12/13 12:25:42 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.51 2011/12/14 04:12:22 jmcneill Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@@ -302,6 +302,7 @@ cpu_lwp_trampoline(ucontext_t *ucp, void
/* actual jump */
thunk_makecontext(ucp, (void (*)(void)) func, 1, arg, NULL, NULL);
+ thunk_sigaltstack(usermode_signal_stack(), NULL);
thunk_setcontext(ucp);
}
Index: src/sys/arch/usermode/include/machdep.h
diff -u src/sys/arch/usermode/include/machdep.h:1.4 src/sys/arch/usermode/include/machdep.h:1.5
--- src/sys/arch/usermode/include/machdep.h:1.4 Sun Nov 27 21:38:17 2011
+++ src/sys/arch/usermode/include/machdep.h Wed Dec 14 04:12:22 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.h,v 1.4 2011/11/27 21:38:17 reinoud Exp $ */
+/* $NetBSD: machdep.h,v 1.5 2011/12/14 04:12:22 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <rein...@netbsd.org>
@@ -40,3 +40,5 @@ void md_syscall_dec_pc(ucontext_t *ucp,
void syscall(void);
void pagefault(void);
+/* signal stack */
+stack_t *usermode_signal_stack(void);
Index: src/sys/arch/usermode/usermode/trap.c
diff -u src/sys/arch/usermode/usermode/trap.c:1.43 src/sys/arch/usermode/usermode/trap.c:1.44
--- src/sys/arch/usermode/usermode/trap.c:1.43 Tue Dec 13 17:54:01 2011
+++ src/sys/arch/usermode/usermode/trap.c Wed Dec 14 04:12:22 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.c,v 1.43 2011/12/13 17:54:01 reinoud Exp $ */
+/* $NetBSD: trap.c,v 1.44 2011/12/14 04:12:22 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <rein...@netbsd.org>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.43 2011/12/13 17:54:01 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.44 2011/12/14 04:12:22 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -313,4 +313,8 @@ pagefault(void)
pcb->pcb_errno = lwp_errno;
}
-
+stack_t *
+usermode_signal_stack(void)
+{
+ return &sigstk;
+}
