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ARC: Implement ptrace(PTRACE_GET_THREAD_AREA)

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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>
This commit is contained in:
Anton Kolesov
2014-06-20 20:28:39 +04:00
committed by Vineet Gupta
parent bef444a330
commit a4b6cb735b
2 changed files with 5 additions and 0 deletions
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1
arch/arc/include/uapi/asm/ptrace.h
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@@ -11,6 +11,7 @@
#ifndef _UAPI__ASM_ARC_PTRACE_H #ifndef _UAPI__ASM_ARC_PTRACE_H
#define _UAPI__ASM_ARC_PTRACE_H #define _UAPI__ASM_ARC_PTRACE_H
#define PTRACE_GET_THREAD_AREA 25
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
/* /*

4
arch/arc/kernel/ptrace.c
View File

@@ -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); pr_debug("REQ=%ld: ADDR =0x%lx, DATA=0x%lx)\n", request, addr, data);
switch (request) { switch (request) {
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_thread_info(child)->thr_ptr,
(unsigned long __user *)data);
break;
default: default:
ret = ptrace_request(child, request, addr, data); ret = ptrace_request(child, request, addr, data);
break; break;