diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/um/kernel/exec.c')
-rw-r--r-- | ANDROID_3.4.5/arch/um/kernel/exec.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/ANDROID_3.4.5/arch/um/kernel/exec.c b/ANDROID_3.4.5/arch/um/kernel/exec.c deleted file mode 100644 index 6cade936..00000000 --- a/ANDROID_3.4.5/arch/um/kernel/exec.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#include <linux/stddef.h> -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/ptrace.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <asm/current.h> -#include <asm/processor.h> -#include <asm/uaccess.h> -#include "as-layout.h" -#include "mem_user.h" -#include "skas.h" -#include "os.h" -#include "internal.h" - -void flush_thread(void) -{ - void *data = NULL; - int ret; - - arch_flush_thread(¤t->thread.arch); - - ret = unmap(¤t->mm->context.id, 0, STUB_START, 0, &data); - ret = ret || unmap(¤t->mm->context.id, STUB_END, - host_task_size - STUB_END, 1, &data); - if (ret) { - printk(KERN_ERR "flush_thread - clearing address space failed, " - "err = %d\n", ret); - force_sig(SIGKILL, current); - } - - __switch_mm(¤t->mm->context.id); -} - -void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) -{ - PT_REGS_IP(regs) = eip; - PT_REGS_SP(regs) = esp; -} -EXPORT_SYMBOL(start_thread); - -static long execve1(const char *file, - const char __user *const __user *argv, - const char __user *const __user *env) -{ - long error; - - error = do_execve(file, argv, env, ¤t->thread.regs); - if (error == 0) { - task_lock(current); - current->ptrace &= ~PT_DTRACE; -#ifdef SUBARCH_EXECVE1 - SUBARCH_EXECVE1(¤t->thread.regs.regs); -#endif - task_unlock(current); - } - return error; -} - -long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env) -{ - long err; - - err = execve1(file, argv, env); - if (!err) - UML_LONGJMP(current->thread.exec_buf, 1); - return err; -} - -long sys_execve(const char __user *file, const char __user *const __user *argv, - const char __user *const __user *env) -{ - long error; - char *filename; - - filename = getname(file); - error = PTR_ERR(filename); - if (IS_ERR(filename)) goto out; - error = execve1(filename, argv, env); - putname(filename); - out: - return error; -} |