]>
git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blob - arch/um/kernel/exec.c
2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
6 #include <linux/stddef.h>
7 #include <linux/module.h>
9 #include <linux/ptrace.h>
10 #include <linux/sched.h>
11 #include <linux/sched/task.h>
12 #include <linux/slab.h>
13 #include <asm/current.h>
14 #include <asm/processor.h>
15 #include <linux/uaccess.h>
16 #include <as-layout.h>
21 void flush_thread(void)
26 arch_flush_thread(¤t
->thread
.arch
);
28 ret
= unmap(¤t
->mm
->context
.id
, 0, STUB_START
, 0, &data
);
29 ret
= ret
|| unmap(¤t
->mm
->context
.id
, STUB_END
,
30 host_task_size
- STUB_END
, 1, &data
);
32 printk(KERN_ERR
"flush_thread - clearing address space failed, "
34 force_sig(SIGKILL
, current
);
36 get_safe_registers(current_pt_regs()->regs
.gp
,
37 current_pt_regs()->regs
.fp
);
39 __switch_mm(¤t
->mm
->context
.id
);
42 void start_thread(struct pt_regs
*regs
, unsigned long eip
, unsigned long esp
)
44 PT_REGS_IP(regs
) = eip
;
45 PT_REGS_SP(regs
) = esp
;
46 current
->ptrace
&= ~PT_DTRACE
;
47 #ifdef SUBARCH_EXECVE1
48 SUBARCH_EXECVE1(regs
->regs
);
51 EXPORT_SYMBOL(start_thread
);