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From: Mark Rutland <mark.rutland@arm.com>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: mark.rutland@arm.com, jthierry@redhat.com, will@kernel.org,
	ard.biesheuvel@linaro.org, peterz@infradead.org,
	catalin.marinas@arm.com, deller@gmx.de, jpoimboe@redhat.com,
	rostedt@goodmis.org, takahiro.akashi@linaro.org,
	mingo@redhat.com, james.morse@arm.com, jeyu@kernel.org,
	amit.kachhap@arm.com, svens@stackframe.org, duwe@suse.de
Subject: [PATCH 6/8] arm64: asm-offsets: add S_FP
Date: Mon, 21 Oct 2019 17:34:24 +0100	[thread overview]
Message-ID: <20191021163426.9408-7-mark.rutland@arm.com> (raw)
In-Reply-To: <20191021163426.9408-1-mark.rutland@arm.com>

So that assembly code can more easily manipulate the FP (x29) within a
pt_regs, add an S_FP asm-offsets definition.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
---
 arch/arm64/kernel/asm-offsets.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 214685760e1c..a5bdce8af65b 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -56,6 +56,7 @@ int main(void)
   DEFINE(S_X24,			offsetof(struct pt_regs, regs[24]));
   DEFINE(S_X26,			offsetof(struct pt_regs, regs[26]));
   DEFINE(S_X28,			offsetof(struct pt_regs, regs[28]));
+  DEFINE(S_FP,			offsetof(struct pt_regs, regs[29]));
   DEFINE(S_LR,			offsetof(struct pt_regs, regs[30]));
   DEFINE(S_SP,			offsetof(struct pt_regs, sp));
   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));
-- 
2.11.0


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  parent reply	other threads:[~2019-10-21 16:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-21 16:34 [PATCH 0/8] arm64: ftrace cleanup + FTRACE_WITH_REGS Mark Rutland
2019-10-21 16:34 ` [PATCH 1/8] ftrace: add ftrace_init_nop() Mark Rutland
2019-10-21 18:07   ` Steven Rostedt
2019-10-22 11:28     ` Mark Rutland
2019-10-22 12:54       ` Steven Rostedt
2019-10-22 15:30         ` Mark Rutland
2019-10-22 15:33           ` Mark Rutland
2019-10-22 16:01             ` Steven Rostedt
2019-10-21 16:34 ` [PATCH 2/8] module/ftrace: handle patchable-function-entry Mark Rutland
2019-10-21 16:34 ` [PATCH 3/8] arm64: module: rework special section handling Mark Rutland
2019-10-21 16:34 ` [PATCH 4/8] arm64: module/ftrace: intialize PLT at load time Mark Rutland
2019-10-21 16:34 ` [PATCH 5/8] arm64: insn: add encoder for MOV (register) Mark Rutland
2019-10-21 16:34 ` Mark Rutland [this message]
2019-10-21 16:34 ` [PATCH 7/8] arm64: implement ftrace with regs Mark Rutland
2019-10-21 16:34 ` [PATCH 8/8] arm64: ftrace: minimize ifdeffery Mark Rutland
2019-10-24 16:32 ` [PATCH 0/8] arm64: ftrace cleanup + FTRACE_WITH_REGS Ard Biesheuvel

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