diff options
Diffstat (limited to 'arch/um/sys-x86_64/stub_segv.c')
| -rw-r--r-- | arch/um/sys-x86_64/stub_segv.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/um/sys-x86_64/stub_segv.c b/arch/um/sys-x86_64/stub_segv.c deleted file mode 100644 index 161d1fe9c03..00000000000 --- a/arch/um/sys-x86_64/stub_segv.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.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 "sysdep/faultinfo.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)); -} |