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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/x86/um/stub_segv.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/um/stub_segv.c')
-rw-r--r--arch/x86/um/stub_segv.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/um/stub_segv.c b/arch/x86/um/stub_segv.c
new file mode 100644
index 000000000..f7eefba03
--- /dev/null
+++ b/arch/x86/um/stub_segv.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#include <sysdep/stub.h>
+#include <sysdep/faultinfo.h>
+#include <sysdep/mcontext.h>
+#include <sys/ucontext.h>
+
+void __attribute__ ((__section__ (".__syscall_stub")))
+stub_segv_handler(int sig, siginfo_t *info, void *p)
+{
+ struct faultinfo *f = get_stub_page();
+ ucontext_t *uc = p;
+
+ GET_FAULTINFO_FROM_MC(*f, &uc->uc_mcontext);
+ trap_myself();
+}
+