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| author | Anton Kolesov <Anton.Kolesov@synopsys.com> | 2014-06-20 20:28:39 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-28 08:06:04 -0700 |
| commit | 0163da2fc54be782c43476ebd68ced8a312e7e68 (patch) | |
| tree | 2325703a7fe9210a25f2b9ba5e66e1b00477be9b /arch/arc | |
| parent | 15c37d7780a8a807d778c57ca647beb2c8df4e71 (diff) | |
| download | linux-stable-0163da2fc54be782c43476ebd68ced8a312e7e68.tar.gz linux-stable-0163da2fc54be782c43476ebd68ced8a312e7e68.tar.bz2 linux-stable-0163da2fc54be782c43476ebd68ced8a312e7e68.zip | |
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>
Diffstat (limited to 'arch/arc')
| -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 2618cc13ba75..76a7739aab1c 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 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; |