From patchwork Tue Feb 9 05:38:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Long X-Patchwork-Id: 8258681 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6C7F49F38B for ; Tue, 9 Feb 2016 05:40:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0C6D120268 for ; Tue, 9 Feb 2016 05:40:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E2E02027D for ; Tue, 9 Feb 2016 05:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752489AbcBIFjF (ORCPT ); Tue, 9 Feb 2016 00:39:05 -0500 Received: from mail-qg0-f53.google.com ([209.85.192.53]:34138 "EHLO mail-qg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752013AbcBIFjD (ORCPT ); Tue, 9 Feb 2016 00:39:03 -0500 Received: by mail-qg0-f53.google.com with SMTP id b67so46831387qgb.1 for ; Mon, 08 Feb 2016 21:39:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=PzqTz9To3g5wCeuaKv173hs6vXKQ/xdLCdl2uy18xcg=; b=eocn+Fg0tjbK+4sQFWLhE+feLsNlM/c+fVYjttmAYRFzX3hiTXqf0YhtRxdfgAN5bN NKEej2XZCqHCgt9B0kc02oNIYsBuc/cFq97isXF3G+lOwZ6rInbwzoJMh0I7gDk+B5rZ watepB+zWbizPcIQyFgKa047R618ctM3swX58= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=PzqTz9To3g5wCeuaKv173hs6vXKQ/xdLCdl2uy18xcg=; b=ErpLhHmRhRa/8YTnzbUSYcJ1V+wzhqrEPGkb28XhlCDxLZo6AxZRJ8phKTL+T1eNgp DA5wMl7QEZprM88rx0Bi7ozwnQYAWSGgj3wLZuU/SSAT0pz386ty4WJ/qhCJxZKrWOwE FzfVKIEQyxJ+R9BvdDYRs2c5pcG5VR+IOKOPCrVXIF/MmfutRcmIvXzy/bCJFtaR3DiU ig0M6TTkza42HnfyrLKkI0BZybeLufzi+5fmmsxMET4fP1D6krjR2kzOS7SLUX/qKwpW L/gpIBnpfBlwl6lBg2ce7LVMWvogDsbsYfLL1By+DjivXf2gyjQ31IzyRyPOQJ/qIsK5 Bklg== X-Gm-Message-State: AG10YOSFRdfYfqvJAJQkxczlCqtjC4PBjTnh0An7lMXuCDrioGcSybG0Ku/agAJ6nIpXENCA X-Received: by 10.140.18.114 with SMTP id 105mr39063347qge.41.1454996342334; Mon, 08 Feb 2016 21:39:02 -0800 (PST) Received: from localhost.localdomain (pool-72-71-243-249.cncdnh.fast00.myfairpoint.net. [72.71.243.249]) by smtp.googlemail.com with ESMTPSA id b135sm15390063qka.2.2016.02.08.21.39.00 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 08 Feb 2016 21:39:01 -0800 (PST) From: David Long To: "H. Peter Anvin" , "chengang@emindsoft.com.cn" , Andy Lutomirski , Benjamin Herrenschmidt , Borislav Petkov , Brian Gerst , David Hildenbrand , Denys Vlasenko , Heiko Carstens , Hendrik Brueckner , Ingo Molnar , Jan Beulich , Kees Cook , Martin Schwidefsky , Michael Ellerman , Oleg Nesterov , Paul Mackerras , Rashmica Gupta , Rich Felker , Richard Kuo , Roland McGrath , Russell King , Thomas Gleixner , Will Deacon , Yoshinori Sato , linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: [PATCH v3 1/2] Move the pt_regs_offset struct definition from arch to common include file Date: Tue, 9 Feb 2016 00:38:56 -0500 Message-Id: <1454996337-7935-2-git-send-email-dave.long@linaro.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1454996337-7935-1-git-send-email-dave.long@linaro.org> References: <1454996337-7935-1-git-send-email-dave.long@linaro.org> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY, UPPERCASE_50_75 autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: "David A. Long" The pt_regs_offset structure is used for the HAVE_REGS_AND_STACK_ACCESS_API feature and has identical definitions in four different arch ptrace.h include files. It seems unlikely that definition would ever need to be changed regardless of architecture so lets move it into include/linux/ptrace.h, along with macros commonly used to access it. Signed-off-by: David A. Long Acked-by: Michael Ellerman --- arch/arm/kernel/ptrace.c | 7 +- arch/powerpc/kernel/ptrace.c | 31 ++++----- arch/sh/include/asm/ptrace.h | 9 +-- arch/sh/kernel/ptrace_32.c | 48 +++++++------- arch/sh/kernel/ptrace_64.c | 152 +++++++++++++++++++++---------------------- arch/x86/kernel/ptrace.c | 59 ++++++++--------- include/linux/ptrace.h | 12 ++++ 7 files changed, 152 insertions(+), 166 deletions(-) diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index ef9119f..3b5a2ba 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -59,14 +59,9 @@ #define BREAKINST_THUMB 0xde01 #endif -struct pt_regs_offset { - const char *name; - int offset; -}; #define REG_OFFSET_NAME(r) \ {.name = #r, .offset = offsetof(struct pt_regs, ARM_##r)} -#define REG_OFFSET_END {.name = NULL, .offset = 0} static const struct pt_regs_offset regoffset_table[] = { REG_OFFSET_NAME(r0), @@ -87,7 +82,7 @@ static const struct pt_regs_offset regoffset_table[] = { REG_OFFSET_NAME(pc), REG_OFFSET_NAME(cpsr), REG_OFFSET_NAME(ORIG_r0), - REG_OFFSET_END, + REGS_OFFSET_END, }; /** diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 30a03c0..77bd4c4 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -52,17 +52,10 @@ #define PARAMETER_SAVE_AREA_OFFSET 48 /* bytes */ #endif -struct pt_regs_offset { - const char *name; - int offset; -}; - #define STR(s) #s /* convert to string */ -#define REG_OFFSET_NAME(r) {.name = #r, .offset = offsetof(struct pt_regs, r)} #define GPR_OFFSET_NAME(num) \ {.name = STR(r##num), .offset = offsetof(struct pt_regs, gpr[num])}, \ {.name = STR(gpr##num), .offset = offsetof(struct pt_regs, gpr[num])} -#define REG_OFFSET_END {.name = NULL, .offset = 0} static const struct pt_regs_offset regoffset_table[] = { GPR_OFFSET_NAME(0), @@ -97,21 +90,21 @@ static const struct pt_regs_offset regoffset_table[] = { GPR_OFFSET_NAME(29), GPR_OFFSET_NAME(30), GPR_OFFSET_NAME(31), - REG_OFFSET_NAME(nip), - REG_OFFSET_NAME(msr), - REG_OFFSET_NAME(ctr), - REG_OFFSET_NAME(link), - REG_OFFSET_NAME(xer), - REG_OFFSET_NAME(ccr), + REGS_OFFSET_NAME(nip), + REGS_OFFSET_NAME(msr), + REGS_OFFSET_NAME(ctr), + REGS_OFFSET_NAME(link), + REGS_OFFSET_NAME(xer), + REGS_OFFSET_NAME(ccr), #ifdef CONFIG_PPC64 - REG_OFFSET_NAME(softe), + REGS_OFFSET_NAME(softe), #else - REG_OFFSET_NAME(mq), + REGS_OFFSET_NAME(mq), #endif - REG_OFFSET_NAME(trap), - REG_OFFSET_NAME(dar), - REG_OFFSET_NAME(dsisr), - REG_OFFSET_END, + REGS_OFFSET_NAME(trap), + REGS_OFFSET_NAME(dar), + REGS_OFFSET_NAME(dsisr), + REGS_OFFSET_END, }; /** diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h index 2506c7d..523955f 100644 --- a/arch/sh/include/asm/ptrace.h +++ b/arch/sh/include/asm/ptrace.h @@ -23,17 +23,10 @@ /* * kprobe-based event tracer support */ -struct pt_regs_offset { - const char *name; - int offset; -}; - -#define REG_OFFSET_NAME(r) {.name = #r, .offset = offsetof(struct pt_regs, r)} -#define REGS_OFFSET_NAME(num) \ +#define REG_OFFSET_NAME(num) \ {.name = __stringify(r##num), .offset = offsetof(struct pt_regs, regs[num])} #define TREGS_OFFSET_NAME(num) \ {.name = __stringify(tr##num), .offset = offsetof(struct pt_regs, tregs[num])} -#define REG_OFFSET_END {.name = NULL, .offset = 0} /* Query offset/name of register from its name/offset */ extern int regs_query_register_offset(const char *name); diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index c1a6b89..e6fe4f4 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -277,30 +277,30 @@ static int dspregs_active(struct task_struct *target, #endif const struct pt_regs_offset regoffset_table[] = { - REGS_OFFSET_NAME(0), - REGS_OFFSET_NAME(1), - REGS_OFFSET_NAME(2), - REGS_OFFSET_NAME(3), - REGS_OFFSET_NAME(4), - REGS_OFFSET_NAME(5), - REGS_OFFSET_NAME(6), - REGS_OFFSET_NAME(7), - REGS_OFFSET_NAME(8), - REGS_OFFSET_NAME(9), - REGS_OFFSET_NAME(10), - REGS_OFFSET_NAME(11), - REGS_OFFSET_NAME(12), - REGS_OFFSET_NAME(13), - REGS_OFFSET_NAME(14), - REGS_OFFSET_NAME(15), - REG_OFFSET_NAME(pc), - REG_OFFSET_NAME(pr), - REG_OFFSET_NAME(sr), - REG_OFFSET_NAME(gbr), - REG_OFFSET_NAME(mach), - REG_OFFSET_NAME(macl), - REG_OFFSET_NAME(tra), - REG_OFFSET_END, + REG_OFFSET_NAME(0), + REG_OFFSET_NAME(1), + REG_OFFSET_NAME(2), + REG_OFFSET_NAME(3), + REG_OFFSET_NAME(4), + REG_OFFSET_NAME(5), + REG_OFFSET_NAME(6), + REG_OFFSET_NAME(7), + REG_OFFSET_NAME(8), + REG_OFFSET_NAME(9), + REG_OFFSET_NAME(10), + REG_OFFSET_NAME(11), + REG_OFFSET_NAME(12), + REG_OFFSET_NAME(13), + REG_OFFSET_NAME(14), + REG_OFFSET_NAME(15), + REGS_OFFSET_NAME(pc), + REGS_OFFSET_NAME(pr), + REGS_OFFSET_NAME(sr), + REGS_OFFSET_NAME(gbr), + REGS_OFFSET_NAME(mach), + REGS_OFFSET_NAME(macl), + REGS_OFFSET_NAME(tra), + REGS_OFFSET_END, }; /* diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index 5cea973..af55bb6 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -253,82 +253,82 @@ static int fpregs_active(struct task_struct *target, #endif const struct pt_regs_offset regoffset_table[] = { - REG_OFFSET_NAME(pc), - REG_OFFSET_NAME(sr), - REG_OFFSET_NAME(syscall_nr), - REGS_OFFSET_NAME(0), - REGS_OFFSET_NAME(1), - REGS_OFFSET_NAME(2), - REGS_OFFSET_NAME(3), - REGS_OFFSET_NAME(4), - REGS_OFFSET_NAME(5), - REGS_OFFSET_NAME(6), - REGS_OFFSET_NAME(7), - REGS_OFFSET_NAME(8), - REGS_OFFSET_NAME(9), - REGS_OFFSET_NAME(10), - REGS_OFFSET_NAME(11), - REGS_OFFSET_NAME(12), - REGS_OFFSET_NAME(13), - REGS_OFFSET_NAME(14), - REGS_OFFSET_NAME(15), - REGS_OFFSET_NAME(16), - REGS_OFFSET_NAME(17), - REGS_OFFSET_NAME(18), - REGS_OFFSET_NAME(19), - REGS_OFFSET_NAME(20), - REGS_OFFSET_NAME(21), - REGS_OFFSET_NAME(22), - REGS_OFFSET_NAME(23), - REGS_OFFSET_NAME(24), - REGS_OFFSET_NAME(25), - REGS_OFFSET_NAME(26), - REGS_OFFSET_NAME(27), - REGS_OFFSET_NAME(28), - REGS_OFFSET_NAME(29), - REGS_OFFSET_NAME(30), - REGS_OFFSET_NAME(31), - REGS_OFFSET_NAME(32), - REGS_OFFSET_NAME(33), - REGS_OFFSET_NAME(34), - REGS_OFFSET_NAME(35), - REGS_OFFSET_NAME(36), - REGS_OFFSET_NAME(37), - REGS_OFFSET_NAME(38), - REGS_OFFSET_NAME(39), - REGS_OFFSET_NAME(40), - REGS_OFFSET_NAME(41), - REGS_OFFSET_NAME(42), - REGS_OFFSET_NAME(43), - REGS_OFFSET_NAME(44), - REGS_OFFSET_NAME(45), - REGS_OFFSET_NAME(46), - REGS_OFFSET_NAME(47), - REGS_OFFSET_NAME(48), - REGS_OFFSET_NAME(49), - REGS_OFFSET_NAME(50), - REGS_OFFSET_NAME(51), - REGS_OFFSET_NAME(52), - REGS_OFFSET_NAME(53), - REGS_OFFSET_NAME(54), - REGS_OFFSET_NAME(55), - REGS_OFFSET_NAME(56), - REGS_OFFSET_NAME(57), - REGS_OFFSET_NAME(58), - REGS_OFFSET_NAME(59), - REGS_OFFSET_NAME(60), - REGS_OFFSET_NAME(61), - REGS_OFFSET_NAME(62), - REGS_OFFSET_NAME(63), - TREGS_OFFSET_NAME(0), - TREGS_OFFSET_NAME(1), - TREGS_OFFSET_NAME(2), - TREGS_OFFSET_NAME(3), - TREGS_OFFSET_NAME(4), - TREGS_OFFSET_NAME(5), - TREGS_OFFSET_NAME(6), - TREGS_OFFSET_NAME(7), - REG_OFFSET_END, + REGS_OFFSET_NAME(pc), + REGS_OFFSET_NAME(sr), + REGS_OFFSET_NAME(syscall_nr), + REG_OFFSET_NAME(0), + REG_OFFSET_NAME(1), + REG_OFFSET_NAME(2), + REG_OFFSET_NAME(3), + REG_OFFSET_NAME(4), + REG_OFFSET_NAME(5), + REG_OFFSET_NAME(6), + REG_OFFSET_NAME(7), + REG_OFFSET_NAME(8), + REG_OFFSET_NAME(9), + REG_OFFSET_NAME(10), + REG_OFFSET_NAME(11), + REG_OFFSET_NAME(12), + REG_OFFSET_NAME(13), + REG_OFFSET_NAME(14), + REG_OFFSET_NAME(15), + REG_OFFSET_NAME(16), + REG_OFFSET_NAME(17), + REG_OFFSET_NAME(18), + REG_OFFSET_NAME(19), + REG_OFFSET_NAME(20), + REG_OFFSET_NAME(21), + REG_OFFSET_NAME(22), + REG_OFFSET_NAME(23), + REG_OFFSET_NAME(24), + REG_OFFSET_NAME(25), + REG_OFFSET_NAME(26), + REG_OFFSET_NAME(27), + REG_OFFSET_NAME(28), + REG_OFFSET_NAME(29), + REG_OFFSET_NAME(30), + REG_OFFSET_NAME(31), + REG_OFFSET_NAME(32), + REG_OFFSET_NAME(33), + REG_OFFSET_NAME(34), + REG_OFFSET_NAME(35), + REG_OFFSET_NAME(36), + REG_OFFSET_NAME(37), + REG_OFFSET_NAME(38), + REG_OFFSET_NAME(39), + REG_OFFSET_NAME(40), + REG_OFFSET_NAME(41), + REG_OFFSET_NAME(42), + REG_OFFSET_NAME(43), + REG_OFFSET_NAME(44), + REG_OFFSET_NAME(45), + REG_OFFSET_NAME(46), + REG_OFFSET_NAME(47), + REG_OFFSET_NAME(48), + REG_OFFSET_NAME(49), + REG_OFFSET_NAME(50), + REG_OFFSET_NAME(51), + REG_OFFSET_NAME(52), + REG_OFFSET_NAME(53), + REG_OFFSET_NAME(54), + REG_OFFSET_NAME(55), + REG_OFFSET_NAME(56), + REG_OFFSET_NAME(57), + REG_OFFSET_NAME(58), + REG_OFFSET_NAME(59), + REG_OFFSET_NAME(60), + REG_OFFSET_NAME(61), + REG_OFFSET_NAME(62), + REG_OFFSET_NAME(63), + TREG_OFFSET_NAME(0), + TREG_OFFSET_NAME(1), + TREG_OFFSET_NAME(2), + TREG_OFFSET_NAME(3), + TREG_OFFSET_NAME(4), + TREG_OFFSET_NAME(5), + TREG_OFFSET_NAME(6), + TREG_OFFSET_NAME(7), + REGS_OFFSET_END, }; /* diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 32e9d9c..ff3314f 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -51,45 +51,38 @@ enum x86_regset { REGSET_IOPERM32, }; -struct pt_regs_offset { - const char *name; - int offset; -}; - -#define REG_OFFSET_NAME(r) {.name = #r, .offset = offsetof(struct pt_regs, r)} -#define REG_OFFSET_END {.name = NULL, .offset = 0} static const struct pt_regs_offset regoffset_table[] = { #ifdef CONFIG_X86_64 - REG_OFFSET_NAME(r15), - REG_OFFSET_NAME(r14), - REG_OFFSET_NAME(r13), - REG_OFFSET_NAME(r12), - REG_OFFSET_NAME(r11), - REG_OFFSET_NAME(r10), - REG_OFFSET_NAME(r9), - REG_OFFSET_NAME(r8), + REGS_OFFSET_NAME(r15), + REGS_OFFSET_NAME(r14), + REGS_OFFSET_NAME(r13), + REGS_OFFSET_NAME(r12), + REGS_OFFSET_NAME(r11), + REGS_OFFSET_NAME(r10), + REGS_OFFSET_NAME(r9), + REGS_OFFSET_NAME(r8), #endif - REG_OFFSET_NAME(bx), - REG_OFFSET_NAME(cx), - REG_OFFSET_NAME(dx), - REG_OFFSET_NAME(si), - REG_OFFSET_NAME(di), - REG_OFFSET_NAME(bp), - REG_OFFSET_NAME(ax), + REGS_OFFSET_NAME(bx), + REGS_OFFSET_NAME(cx), + REGS_OFFSET_NAME(dx), + REGS_OFFSET_NAME(si), + REGS_OFFSET_NAME(di), + REGS_OFFSET_NAME(bp), + REGS_OFFSET_NAME(ax), #ifdef CONFIG_X86_32 - REG_OFFSET_NAME(ds), - REG_OFFSET_NAME(es), - REG_OFFSET_NAME(fs), - REG_OFFSET_NAME(gs), + REGS_OFFSET_NAME(ds), + REGS_OFFSET_NAME(es), + REGS_OFFSET_NAME(fs), + REGS_OFFSET_NAME(gs), #endif - REG_OFFSET_NAME(orig_ax), - REG_OFFSET_NAME(ip), - REG_OFFSET_NAME(cs), - REG_OFFSET_NAME(flags), - REG_OFFSET_NAME(sp), - REG_OFFSET_NAME(ss), - REG_OFFSET_END, + REGS_OFFSET_NAME(orig_ax), + REGS_OFFSET_NAME(ip), + REGS_OFFSET_NAME(cs), + REGS_OFFSET_NAME(flags), + REGS_OFFSET_NAME(sp), + REGS_OFFSET_NAME(ss), + REGS_OFFSET_END, }; /** diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 504c98a..4e1c6fd 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -406,4 +406,16 @@ extern int task_current_syscall(struct task_struct *target, long *callno, unsigned long args[6], unsigned int maxargs, unsigned long *sp, unsigned long *pc); +#ifdef CONFIG_HAVE_REGS_AND_STACK_ACCESS_API + +#define REGS_OFFSET_NAME(r) {.name = #r, .offset = offsetof(struct pt_regs, r)} +#define REGS_OFFSET_END {.name = NULL, .offset = 0} + +struct pt_regs_offset { + const char *name; + int offset; +}; + +#endif /* CONFIG_HAVE_REGS_AND_STACK_ACCESS_API */ + #endif