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 <peter.mayd...@linaro.org> --- linux-user/syscall.c | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 7851fb5..489a8c2 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6853,6 +6853,30 @@ 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)); -- 1.7.1