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Commit a4b6cb73 authored by Anton Kolesov's avatar Anton Kolesov Committed by Vineet Gupta
Browse files

ARC: Implement ptrace(PTRACE_GET_THREAD_AREA) 



This patch adds implementation of GET_THREAD_AREA ptrace request type. This
is required by GDB to debug NPTL applications.

Signed-off-by: default avatarAnton Kolesov <Anton.Kolesov@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent bef444a3

arch/arc/include/uapi/asm/ptrace.h

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#ifndef _UAPI__ASM_ARC_PTRACE_H

#define _UAPI__ASM_ARC_PTRACE_H



#define PTRACE_GET_THREAD_AREA	25



#ifndef __ASSEMBLY__

/*

arch/arc/kernel/ptrace.c

+4 −0
Original line number Diff line number Diff line
@@ -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;