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Commit | Line | Data |
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1d3468a6 | 1 | /* |
ba180fd4 | 2 | * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
1da177e4 LT |
3 | * Licensed under the GPL |
4 | */ | |
5 | ||
73395a00 AV |
6 | #include <linux/stddef.h> |
7 | #include <linux/module.h> | |
8 | #include <linux/fs.h> | |
9 | #include <linux/ptrace.h> | |
589ee628 | 10 | #include <linux/sched/mm.h> |
29930025 | 11 | #include <linux/sched/task.h> |
68db0cf1 | 12 | #include <linux/sched/task_stack.h> |
73395a00 AV |
13 | #include <linux/slab.h> |
14 | #include <asm/current.h> | |
15 | #include <asm/processor.h> | |
7c0f6ba6 | 16 | #include <linux/uaccess.h> |
37185b33 AV |
17 | #include <as-layout.h> |
18 | #include <mem_user.h> | |
19 | #include <skas.h> | |
20 | #include <os.h> | |
1da177e4 LT |
21 | |
22 | void flush_thread(void) | |
23 | { | |
77bf4400 | 24 | void *data = NULL; |
77bf4400 JD |
25 | int ret; |
26 | ||
aa6758d4 | 27 | arch_flush_thread(¤t->thread.arch); |
77bf4400 | 28 | |
3963333f JD |
29 | ret = unmap(¤t->mm->context.id, 0, STUB_START, 0, &data); |
30 | ret = ret || unmap(¤t->mm->context.id, STUB_END, | |
536788fe | 31 | host_task_size - STUB_END, 1, &data); |
ba180fd4 JD |
32 | if (ret) { |
33 | printk(KERN_ERR "flush_thread - clearing address space failed, " | |
77bf4400 JD |
34 | "err = %d\n", ret); |
35 | force_sig(SIGKILL, current); | |
36 | } | |
9436d5c3 AV |
37 | get_safe_registers(current_pt_regs()->regs.gp, |
38 | current_pt_regs()->regs.fp); | |
77bf4400 | 39 | |
6c738ffa | 40 | __switch_mm(¤t->mm->context.id); |
1da177e4 LT |
41 | } |
42 | ||
43 | void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) | |
44 | { | |
77bf4400 JD |
45 | PT_REGS_IP(regs) = eip; |
46 | PT_REGS_SP(regs) = esp; | |
42459792 | 47 | current->ptrace &= ~PT_DTRACE; |
1d3468a6 | 48 | #ifdef SUBARCH_EXECVE1 |
42459792 | 49 | SUBARCH_EXECVE1(regs->regs); |
1d3468a6 | 50 | #endif |
1da177e4 | 51 | } |
42459792 | 52 | EXPORT_SYMBOL(start_thread); |