/*
- * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
+ * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <signal.h>
-#include <linux/compiler.h>
-#include <asm/unistd.h>
-#include "uml-config.h"
-#include "sysdep/sigcontext.h"
+#include "as-layout.h"
+#include "sysdep/stub.h"
#include "sysdep/faultinfo.h"
+#include "sysdep/sigcontext.h"
void __attribute__ ((__section__ (".__syscall_stub")))
stub_segv_handler(int sig)
{
struct ucontext *uc;
- __asm__("movq %%rdx, %0" : "=g" (uc) :);
- GET_FAULTINFO_FROM_SC(*((struct faultinfo *) UML_CONFIG_STUB_DATA),
- &uc->uc_mcontext);
-
- __asm__("movq %0, %%rax ; syscall": : "g" (__NR_getpid));
- __asm__("movq %%rax, %%rdi ; movq %0, %%rax ; movq %1, %%rsi ;"
- "syscall": : "g" (__NR_kill), "g" (SIGUSR1));
- /* Two popqs to restore the stack to the state just before entering
- * the handler, one pops the return address, the other pops the frame
- * pointer.
- */
- __asm__("popq %%rax ; popq %%rax ; movq %0, %%rax ; syscall" : : "g"
- (__NR_rt_sigreturn));
+ __asm__ __volatile__("movq %%rdx, %0" : "=g" (uc) :);
+ GET_FAULTINFO_FROM_SC(*((struct faultinfo *) STUB_DATA),
+ &uc->uc_mcontext);
+ trap_myself();
}
+