From d0c6a6cba18a112ace6c581c5d7a3fdbba1fbe7a Mon Sep 17 00:00:00 2001 From: Anton Kolesov Date: Fri, 20 Jun 2014 20:28:39 +0400 Subject: ARC: Implement ptrace(PTRACE_GET_THREAD_AREA) commit a4b6cb735b25aa84a462a1985e3e43bebaf5beb4 upstream. This patch adds implementation of GET_THREAD_AREA ptrace request type. This is required by GDB to debug NPTL applications. Signed-off-by: Anton Kolesov Signed-off-by: Vineet Gupta Signed-off-by: Greg Kroah-Hartman --- arch/arc/kernel/ptrace.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/arc/kernel/ptrace.c') diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c index 5d76706139dd..13b3ffb27a38 100644 --- a/arch/arc/kernel/ptrace.c +++ b/arch/arc/kernel/ptrace.c @@ -146,6 +146,10 @@ long arch_ptrace(struct task_struct *child, long request, pr_debug("REQ=%ld: ADDR =0x%lx, DATA=0x%lx)\n", request, addr, data); switch (request) { + case PTRACE_GET_THREAD_AREA: + ret = put_user(task_thread_info(child)->thr_ptr, + (unsigned long __user *)data); + break; default: ret = ptrace_request(child, request, addr, data); break; -- cgit v1.2.3