linux-kernel - [PATCH 10/17] arm: user_regset: VFP in core dumps

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Date:	Fri, 24 Apr 2009 17:12:09 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Russell King <rmk@....linux.org.uk>
Cc:	Christoph Hellwig <hch@....de>, linux-kernel@...r.kernel.org
Subject: [PATCH 10/17] arm: user_regset: VFP in core dumps

This enables dumping the VFP state in ELF core dumps.
It gets its own note.

I reused the NT_PRXFPREG type code already used for extended-FP
state on x86, because it seems to fit logically.  It would be just
as easy to define a new code called NT_ARM_VFP in linux/elf.h if
that is preferable.

Signed-off-by: Roland McGrath <roland@...hat.com>
---
 arch/arm/kernel/ptrace.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 7f3c121..5fb5ac1 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -805,6 +805,7 @@ static const struct user_regset arm_regsets[] = {
 	},
 #ifdef CONFIG_VFP
 	[REGSET_VFP] = {
+		.core_note_type = NT_PRXFPREG,
 		.n = sizeof(struct user_vfp) / sizeof(long),
 		.size = sizeof(long), .align = sizeof(long),
 		.get = vfp_get, .set = vfp_set
--
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