Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932475AbWEMQGo (ORCPT ); Sat, 13 May 2006 12:06:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932473AbWEMQGb (ORCPT ); Sat, 13 May 2006 12:06:31 -0400 Received: from mta08-winn.ispmail.ntl.com ([81.103.221.48]:2591 "EHLO mtaout02-winn.ispmail.ntl.com") by vger.kernel.org with ESMTP id S932469AbWEMQGQ (ORCPT ); Sat, 13 May 2006 12:06:16 -0400 From: Catalin Marinas Subject: [PATCH 2.6.17-rc4 4/6] Add kmemleak support for i386 Date: Sat, 13 May 2006 17:06:12 +0100 To: linux-kernel@vger.kernel.org Message-Id: <20060513160612.8848.95311.stgit@localhost.localdomain> In-Reply-To: <20060513155757.8848.11980.stgit@localhost.localdomain> References: <20060513155757.8848.11980.stgit@localhost.localdomain> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit User-Agent: StGIT/0.9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1886 Lines: 60 From: Catalin Marinas This patch modifies the vmlinux.lds.S script and adds the backtrace support for i386 to be used with kmemleak. Signed-off-by: Catalin Marinas --- arch/i386/kernel/vmlinux.lds.S | 4 ++++ include/asm-i386/processor.h | 12 ++++++++++++ 2 files changed, 16 insertions(+), 0 deletions(-) diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index 8831303..370480e 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -38,6 +38,7 @@ SECTIONS RODATA /* writeable */ + _sdata = .; /* Start of data section */ .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ *(.data) CONSTRUCTORS @@ -140,6 +141,9 @@ SECTIONS __per_cpu_start = .; .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) } __per_cpu_end = .; + __memleak_offsets_start = .; + .init.memleak_offsets : AT(ADDR(.init.memleak_offsets) - LOAD_OFFSET) { *(.init.memleak_offsets) } + __memleak_offsets_end = .; . = ALIGN(4096); __init_end = .; /* freed after init ends here */ diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index 805f0dc..9b6568a 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -743,4 +743,16 @@ #else #define mcheck_init(c) do {} while(0) #endif +#ifdef CONFIG_FRAME_POINTER +static inline unsigned long arch_call_address(void *frame) +{ + return *(unsigned long *) (frame + 4); +} + +static inline void *arch_prev_frame(void *frame) +{ + return *(void **) frame; +} +#endif + #endif /* __ASM_I386_PROCESSOR_H */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/