diff options
Diffstat (limited to 'arch/um/kernel/tt/exec_kern.c')
-rw-r--r-- | arch/um/kernel/tt/exec_kern.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/um/kernel/tt/exec_kern.c b/arch/um/kernel/tt/exec_kern.c deleted file mode 100644 index 40126cb..0000000 --- a/arch/um/kernel/tt/exec_kern.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#include "linux/kernel.h" -#include "linux/mm.h" -#include "asm/signal.h" -#include "asm/ptrace.h" -#include "asm/uaccess.h" -#include "asm/pgalloc.h" -#include "asm/tlbflush.h" -#include "kern_util.h" -#include "irq_user.h" -#include "mem_user.h" -#include "os.h" -#include "tlb.h" -#include "mode.h" - -static int exec_tramp(void *sig_stack) -{ - init_new_thread_stack(sig_stack, NULL); - init_new_thread_signals(); - os_stop_process(os_getpid()); - return(0); -} - -void flush_thread_tt(void) -{ - unsigned long stack; - int new_pid; - - stack = alloc_stack(0, 0); - if(stack == 0){ - printk(KERN_ERR - "flush_thread : failed to allocate temporary stack\n"); - do_exit(SIGKILL); - } - - new_pid = start_fork_tramp(task_stack_page(current), stack, 0, exec_tramp); - if(new_pid < 0){ - printk(KERN_ERR - "flush_thread : new thread failed, errno = %d\n", - -new_pid); - do_exit(SIGKILL); - } - - if(current_thread->cpu == 0) - forward_interrupts(new_pid); - current->thread.request.op = OP_EXEC; - current->thread.request.u.exec.pid = new_pid; - unprotect_stack((unsigned long) current_thread); - os_usr1_process(os_getpid()); - change_sig(SIGUSR1, 1); - - change_sig(SIGUSR1, 0); - enable_timer(); - free_page(stack); - protect_memory(uml_reserved, high_physmem - uml_reserved, 1, 1, 0, 1); - stack_protections((unsigned long) current_thread); - force_flush_all(); - unblock_signals(); -} - -void start_thread_tt(struct pt_regs *regs, unsigned long eip, - unsigned long esp) -{ - set_fs(USER_DS); - flush_tlb_mm(current->mm); - PT_REGS_IP(regs) = eip; - PT_REGS_SP(regs) = esp; - PT_FIX_EXEC_STACK(esp); -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |