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-rw-r--r--arch/um/sys-i386/Makefile2
-rw-r--r--arch/um/sys-i386/stub_segv.c11
2 files changed, 8 insertions, 5 deletions
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 6dfeb70f6957..150059dbee12 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -5,7 +5,7 @@ obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
5obj-$(CONFIG_HIGHMEM) += highmem.o 5obj-$(CONFIG_HIGHMEM) += highmem.o
6obj-$(CONFIG_MODULES) += module.o 6obj-$(CONFIG_MODULES) += module.o
7 7
8USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o 8USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o stub_segv.o
9 9
10SYMLINKS = bitops.c semaphore.c highmem.c module.c 10SYMLINKS = bitops.c semaphore.c highmem.c module.c
11 11
diff --git a/arch/um/sys-i386/stub_segv.c b/arch/um/sys-i386/stub_segv.c
index 1e88b275edac..a37f672ec964 100644
--- a/arch/um/sys-i386/stub_segv.c
+++ b/arch/um/sys-i386/stub_segv.c
@@ -3,9 +3,11 @@
3 * Licensed under the GPL 3 * Licensed under the GPL
4 */ 4 */
5 5
6#include <asm/signal.h> 6#include <signal.h>
7#include <sys/select.h> /* The only way I can see to get sigset_t */
7#include <asm/unistd.h> 8#include <asm/unistd.h>
8#include "uml-config.h" 9#include "uml-config.h"
10#include "sysdep/stub.h"
9#include "sysdep/sigcontext.h" 11#include "sysdep/sigcontext.h"
10#include "sysdep/faultinfo.h" 12#include "sysdep/faultinfo.h"
11 13
@@ -13,13 +15,14 @@ void __attribute__ ((__section__ (".__syscall_stub")))
13stub_segv_handler(int sig) 15stub_segv_handler(int sig)
14{ 16{
15 struct sigcontext *sc = (struct sigcontext *) (&sig + 1); 17 struct sigcontext *sc = (struct sigcontext *) (&sig + 1);
18 int pid;
16 19
17 GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA), 20 GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA),
18 sc); 21 sc);
19 22
20 __asm__("movl %0, %%eax ; int $0x80": : "g" (__NR_getpid)); 23 pid = stub_syscall0(__NR_getpid);
21 __asm__("movl %%eax, %%ebx ; movl %0, %%eax ; movl %1, %%ecx ;" 24 stub_syscall2(__NR_kill, pid, SIGUSR1);
22 "int $0x80": : "g" (__NR_kill), "g" (SIGUSR1)); 25
23 /* Load pointer to sigcontext into esp, since we need to leave 26 /* Load pointer to sigcontext into esp, since we need to leave
24 * the stack in its original form when we do the sigreturn here, by 27 * the stack in its original form when we do the sigreturn here, by
25 * hand. 28 * hand.