diff options
Diffstat (limited to 'arch/um/kernel/exec.c')
| -rw-r--r-- | arch/um/kernel/exec.c | 55 |
1 files changed, 8 insertions, 47 deletions
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 6cade936636..3a8ece7d09c 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -12,11 +12,10 @@ #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" +#include <as-layout.h> +#include <mem_user.h> +#include <skas.h> +#include <os.h> void flush_thread(void) { @@ -39,50 +38,12 @@ void flush_thread(void) void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) { + get_safe_registers(regs->regs.gp, regs->regs.fp); 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; + current->ptrace &= ~PT_DTRACE; #ifdef SUBARCH_EXECVE1 - SUBARCH_EXECVE1(¤t->thread.regs.regs); + SUBARCH_EXECVE1(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; } +EXPORT_SYMBOL(start_thread); |