diff options
Diffstat (limited to 'arch/um/kernel/skas/clone.c')
-rw-r--r-- | arch/um/kernel/skas/clone.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c deleted file mode 100644 index 62435187dda4..000000000000 --- a/arch/um/kernel/skas/clone.c +++ /dev/null @@ -1,48 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de) - * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - */ - -#include <signal.h> -#include <sched.h> -#include <asm/unistd.h> -#include <sys/time.h> -#include <as-layout.h> -#include <ptrace_user.h> -#include <stub-data.h> -#include <sysdep/stub.h> - -/* - * This is in a separate file because it needs to be compiled with any - * extraneous gcc flags (-pg, -fprofile-arcs, -ftest-coverage) disabled - * - * Use UM_KERN_PAGE_SIZE instead of PAGE_SIZE because that calls getpagesize - * on some systems. - */ - -void __attribute__ ((__section__ (".__syscall_stub"))) -stub_clone_handler(void) -{ - struct stub_data *data = get_stub_data(); - long err; - - err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD, - (unsigned long)data + - STUB_DATA_PAGES * UM_KERN_PAGE_SIZE / 2); - if (err) { - data->parent_err = err; - goto done; - } - - err = stub_syscall4(__NR_ptrace, PTRACE_TRACEME, 0, 0, 0); - if (err) { - data->child_err = err; - goto done; - } - - remap_stack_and_trap(); - - done: - trap_myself(); -} |