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authorGennady Sharapov <Gennady.V.Sharapov@intel.com>2006-01-08 10:01:32 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-09 05:13:39 +0100
commitc66fdd5e324392584c6f11de65cfe24b0e2d9303 (patch)
treef05cb784406c0a0cb24d291e515dfcaa3e4b6464 /arch/um/kernel/trap_kern.c
parent[PATCH] uml: move libc-dependent code from trap_user.c (diff)
downloadlinux-c66fdd5e324392584c6f11de65cfe24b0e2d9303.tar.xz
linux-c66fdd5e324392584c6f11de65cfe24b0e2d9303.zip
[PATCH] uml: merge trap_user.c and trap_kern.c
The serial UML OS-abstraction layer patch (um/kernel dir). This joins trap_user.c and trap_kernel.c files. Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/kernel/trap_kern.c')
-rw-r--r--arch/um/kernel/trap_kern.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index b79f805bdc00..d56046c2aba2 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -26,6 +26,9 @@
#include "mconsole_kern.h"
#include "mem.h"
#include "mem_kern.h"
+#include "sysdep/sigcontext.h"
+#include "sysdep/ptrace.h"
+#include "os.h"
#ifdef CONFIG_MODE_SKAS
#include "skas.h"
#endif
@@ -126,6 +129,17 @@ out_of_memory:
goto out;
}
+void segv_handler(int sig, union uml_pt_regs *regs)
+{
+ struct faultinfo * fi = UPT_FAULTINFO(regs);
+
+ if(UPT_IS_USER(regs) && !SEGV_IS_FIXABLE(fi)){
+ bad_segv(*fi, UPT_IP(regs));
+ return;
+ }
+ segv(*fi, UPT_IP(regs), UPT_IS_USER(regs), regs);
+}
+
struct kern_handlers handlinfo_kern = {
.relay_signal = relay_signal,
.winch = winch,