linux-kernel - [PATCH v12 01/30] elf: Add powerpc specific core note sections

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Message-Id: <1469611615-2935-2-git-send-email-wei.guo.simon@gmail.com>
Date:	Wed, 27 Jul 2016 17:26:26 +0800
From:	wei.guo.simon@...il.com
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Shuah Khan <shuahkh@....samsung.com>,
	Anton Blanchard <anton@...ba.org>,
	Cyril Bur <cyrilbur@...il.com>,
	Simon Guo <wei.guo.simon@...il.com>,
	Ulrich Weigand <ulrich.weigand@...ibm.com>,
	Michael Neuling <mikey@...ling.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kees Cook <keescook@...omium.org>,
	Rashmica Gupta <rashmicy@...il.com>,
	Khem Raj <raj.khem@...il.com>, Jessica Yu <jeyu@...hat.com>,
	Jiri Kosina <jkosina@...e.cz>, Miroslav Benes <mbenes@...e.cz>,
	Suraj Jitindar Singh <sjitindarsingh@...il.com>,
	Chris Smart <chris@...troguy.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH v12 01/30] elf: Add powerpc specific core note sections

From: Anshuman Khandual <khandual@...ux.vnet.ibm.com>

This patch adds twelve ELF core note sections for powerpc
architecture for various registers and register sets which
need to be accessed from ptrace interface and then gdb.
These additions include special purpose registers like TAR,
PPR, DSCR, TM running and checkpointed state for various
register sets, EBB related register set, performance monitor
register set etc. Addition of these new ELF core note
sections extends the existing ELF ABI on powerpc arch without
affecting it in any manner.

Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Shuah Khan <shuahkh@....samsung.com>
Cc: Anton Blanchard <anton@...ba.org>
Cc: Cyril Bur <cyrilbur@...il.com>
Cc: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc: Simon Guo <wei.guo.simon@...il.com>
Cc: Ulrich Weigand <ulrich.weigand@...ibm.com>
Cc: Michael Neuling <mikey@...ling.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Kees Cook <keescook@...omium.org>
Cc: Rashmica Gupta <rashmicy@...il.com>
Cc: Khem Raj <raj.khem@...il.com>
Cc: Jessica Yu <jeyu@...hat.com>
Cc: Jiri Kosina <jkosina@...e.cz>
Cc: Miroslav Benes <mbenes@...e.cz>
Cc: Suraj Jitindar Singh <sjitindarsingh@...il.com>
Cc: Chris Smart <chris@...troguy.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-kselftest@...r.kernel.org
Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@...il.com>
---
 include/uapi/linux/elf.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index cb4a72f..1be3c5f 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -381,6 +381,19 @@ typedef struct elf64_shdr {
 #define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
 #define NT_PPC_SPE	0x101		/* PowerPC SPE/EVR registers */
 #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
+#define NT_PPC_TAR	0x103		/* Target Address Register */
+#define NT_PPC_PPR	0x104		/* Program Priority Register */
+#define NT_PPC_DSCR	0x105		/* Data Stream Control Register */
+#define NT_PPC_EBB	0x106		/* Event Based Branch Registers */
+#define NT_PPC_PMU	0x107		/* Performance Monitor Registers */
+#define NT_PPC_TM_CGPR	0x108		/* TM checkpointed GPR Registers */
+#define NT_PPC_TM_CFPR	0x109		/* TM checkpointed FPR Registers */
+#define NT_PPC_TM_CVMX	0x10a		/* TM checkpointed VMX Registers */
+#define NT_PPC_TM_CVSX	0x10b		/* TM checkpointed VSX Registers */
+#define NT_PPC_TM_SPR	0x10c		/* TM Special Purpose Registers */
+#define NT_PPC_TM_CTAR	0x10d		/* TM checkpointed Target Address Register */
+#define NT_PPC_TM_CPPR	0x10e		/* TM checkpointed Program Priority Register */
+#define NT_PPC_TM_CDSCR	0x10f		/* TM checkpointed Data Stream Control Register */
 #define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
 #define NT_X86_XSTATE	0x202		/* x86 extended state using xsave */
-- 
1.8.3.1