diff options
Diffstat (limited to 'arch/um/sys-i386')
-rw-r--r-- | arch/um/sys-i386/Makefile | 2 | ||||
-rw-r--r-- | arch/um/sys-i386/stub_segv.c | 11 |
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 \ | |||
5 | obj-$(CONFIG_HIGHMEM) += highmem.o | 5 | obj-$(CONFIG_HIGHMEM) += highmem.o |
6 | obj-$(CONFIG_MODULES) += module.o | 6 | obj-$(CONFIG_MODULES) += module.o |
7 | 7 | ||
8 | USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o | 8 | USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o stub_segv.o |
9 | 9 | ||
10 | SYMLINKS = bitops.c semaphore.c highmem.c module.c | 10 | SYMLINKS = 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"))) | |||
13 | stub_segv_handler(int sig) | 15 | stub_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. |