diff options
| author | Anton Kolesov <Anton.Kolesov@synopsys.com> | 2014-06-20 20:28:39 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-28 08:08:29 -0700 |
| commit | d0c6a6cba18a112ace6c581c5d7a3fdbba1fbe7a (patch) | |
| tree | a854bea7bad474130202d76a67d60ec8a251a5f6 | |
| parent | 2503a41555565e17388d082f745c06ced564b2b0 (diff) | |
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 <Anton.Kolesov@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/arc/include/uapi/asm/ptrace.h | 1 | ||||
| -rw-r--r-- | arch/arc/kernel/ptrace.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arc/include/uapi/asm/ptrace.h b/arch/arc/include/uapi/asm/ptrace.h index 2618cc13ba7..76a7739aab1 100644 --- a/arch/arc/include/uapi/asm/ptrace.h +++ b/arch/arc/include/uapi/asm/ptrace.h @@ -11,6 +11,7 @@ #ifndef _UAPI__ASM_ARC_PTRACE_H #define _UAPI__ASM_ARC_PTRACE_H +#define PTRACE_GET_THREAD_AREA 25 #ifndef __ASSEMBLY__ /* diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c index 5d76706139d..13b3ffb27a3 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; |