From db9526b10a956fd80c08727685c300b63d5a7465 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Fri, 3 Feb 2012 14:48:03 +0000 Subject: [PATCH] linux-user: Add support for prctl PR_GET_NAME and PR_SET_NAME Add support for the prctl options PR_GET_NAME and PR_SET_NAME, which take or return a name in a 16 byte buffer pointed to by arg2. Signed-off-by: Peter Maydell Signed-off-by: Riku Voipio --- linux-user/syscall.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index ea44f99a99..8a92162155 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7253,6 +7253,30 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } break; } +#ifdef PR_GET_NAME + case PR_GET_NAME: + { + void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); + if (!name) { + goto efault; + } + ret = get_errno(prctl(arg1, (unsigned long)name, + arg3, arg4, arg5)); + unlock_user(name, arg2, 16); + break; + } + case PR_SET_NAME: + { + void *name = lock_user(VERIFY_READ, arg2, 16, 1); + if (!name) { + goto efault; + } + ret = get_errno(prctl(arg1, (unsigned long)name, + arg3, arg4, arg5)); + unlock_user(name, arg2, 0); + break; + } +#endif default: /* Most prctl options have no pointer arguments */ ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));