[RFC 4/6] arm64: assembler: Add macro to annotate asm function having non standard stack-frame.

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From: Raphael Gault <raphael.gault@arm.com>
To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: jpoimboe@redhat.com, peterz@infradead.org,
	catalin.marinas@arm.com, will.deacon@arm.com,
	julien.thierry@arm.com, Raphael Gault <raphael.gault@arm.com>
Subject: [RFC 4/6] arm64: assembler: Add macro to annotate asm function having non standard stack-frame.
Date: Tue,  9 Apr 2019 14:52:41 +0100	[thread overview]
Message-ID: <20190409135243.12424-5-raphael.gault@arm.com> (raw)
In-Reply-To: <20190409135243.12424-1-raphael.gault@arm.com>

Signed-off-by: Raphael Gault <raphael.gault@arm.com>
---
 arch/arm64/include/asm/assembler.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 4feb6119c3c9..636a07a7eb76 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -748,4 +748,22 @@ USER(\label, ic	ivau, \tmp2)			// invalidate I line PoU
 .Lyield_out_\@ :
 	.endm
 
+
+#ifdef	CONFIG_STACK_VALIDATION
+	/*
+	 * This macro is the arm64 assembler equivalent of the
+	 * macro STACK_FRAME_NON_STANDARD define at
+	 * ~/include/linux/frame.h
+	 */
+	.macro	asm_stack_frame_non_standard	func
+	.pushsection ".discard.func_stack_frame_non_standard"
+	.8byte	\func
+	.popsection
+	.endm
+#else
+	.macro	asm_stack_frame_non_standard	func
+	.endm
+#endif
+
+
 #endif	/* __ASM_ASSEMBLER_H */
-- 
2.17.1

WARNING: multiple messages have this Message-ID (diff)

From: Raphael Gault <raphael.gault@arm.com>
To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc: julien.thierry@arm.com, peterz@infradead.org,
	catalin.marinas@arm.com, will.deacon@arm.com,
	Raphael Gault <raphael.gault@arm.com>,
	jpoimboe@redhat.com
Subject: [RFC 4/6] arm64: assembler: Add macro to annotate asm function having non standard stack-frame.
Date: Tue,  9 Apr 2019 14:52:41 +0100	[thread overview]
Message-ID: <20190409135243.12424-5-raphael.gault@arm.com> (raw)
In-Reply-To: <20190409135243.12424-1-raphael.gault@arm.com>

Signed-off-by: Raphael Gault <raphael.gault@arm.com>
---
 arch/arm64/include/asm/assembler.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 4feb6119c3c9..636a07a7eb76 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -748,4 +748,22 @@ USER(\label, ic	ivau, \tmp2)			// invalidate I line PoU
 .Lyield_out_\@ :
 	.endm
 
+
+#ifdef	CONFIG_STACK_VALIDATION
+	/*
+	 * This macro is the arm64 assembler equivalent of the
+	 * macro STACK_FRAME_NON_STANDARD define at
+	 * ~/include/linux/frame.h
+	 */
+	.macro	asm_stack_frame_non_standard	func
+	.pushsection ".discard.func_stack_frame_non_standard"
+	.8byte	\func
+	.popsection
+	.endm
+#else
+	.macro	asm_stack_frame_non_standard	func
+	.endm
+#endif
+
+
 #endif	/* __ASM_ASSEMBLER_H */
-- 
2.17.1


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next prev parent reply	other threads:[~2019-04-09 13:53 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-09 13:52 [PATCH 0/6] objtool: Add support for Arm64 Raphael Gault
2019-04-09 13:52 ` Raphael Gault
2019-04-09 13:52 ` [RFC 1/6] objtool: Refactor code to make it more suitable for multiple architecture support Raphael Gault
2019-04-09 13:52   ` Raphael Gault
2019-04-23 20:13   ` Josh Poimboeuf
2019-04-23 20:13     ` Josh Poimboeuf
2019-04-24 16:11     ` Raphael Gault
2019-04-24 16:11       ` Raphael Gault
2019-04-24 16:17       ` Josh Poimboeuf
2019-04-24 16:17         ` Josh Poimboeuf
2019-04-09 13:52 ` [RFC 2/6] objtool: arm64: Add required implementation for supporting the aarch64 architecture in objtool Raphael Gault
2019-04-09 13:52   ` Raphael Gault
2019-04-09 16:20   ` Peter Zijlstra
2019-04-09 16:20     ` Peter Zijlstra
2019-04-23 20:18   ` Josh Poimboeuf
2019-04-23 20:18     ` Josh Poimboeuf
2019-04-24 16:16     ` Raphael Gault
2019-04-24 16:16       ` Raphael Gault
2019-04-24 16:23       ` Josh Poimboeuf
2019-04-24 16:23         ` Josh Poimboeuf
2019-04-09 13:52 ` [RFC 3/6] objtool: arm64: Adapt the stack frame checks and the section analysis for the arm architecture Raphael Gault
2019-04-09 13:52   ` Raphael Gault
2019-04-09 16:12   ` Peter Zijlstra
2019-04-09 16:12     ` Peter Zijlstra
2019-04-09 16:24     ` Mark Rutland
2019-04-09 16:24       ` Mark Rutland
2019-04-09 16:27       ` Julien Thierry
2019-04-09 16:27         ` Julien Thierry
2019-04-09 16:33         ` Raphaël Gault
2019-04-09 16:33           ` Raphaël Gault
2019-04-23 20:36   ` Josh Poimboeuf
2019-04-23 20:36     ` Josh Poimboeuf
2019-04-24 16:32     ` Raphael Gault
2019-04-24 16:32       ` Raphael Gault
2019-04-24 16:56       ` Josh Poimboeuf
2019-04-24 16:56         ` Josh Poimboeuf
2019-04-25  8:12         ` Raphael Gault
2019-04-25  8:12           ` Raphael Gault
2019-04-25  8:33           ` Peter Zijlstra
2019-04-25  8:33             ` Peter Zijlstra
2019-04-25 16:25           ` Josh Poimboeuf
2019-04-25 16:25             ` Josh Poimboeuf
2019-04-30 12:20             ` Raphael Gault
2019-04-30 12:20               ` Raphael Gault
2019-05-01 15:09               ` Raphael Gault
2019-05-01 15:09                 ` Raphael Gault
2019-04-24 10:36   ` Julien Thierry
2019-04-24 10:36     ` Julien Thierry
2019-04-09 13:52 ` Raphael Gault [this message]
2019-04-09 13:52   ` [RFC 4/6] arm64: assembler: Add macro to annotate asm function having non standard stack-frame Raphael Gault
2019-04-24 10:44   ` Julien Thierry
2019-04-24 10:44     ` Julien Thierry
2019-04-09 13:52 ` [RFC 5/6] arm64: sleep: Add stack frame setup for __cpu_supsend_enter Raphael Gault
2019-04-09 13:52   ` Raphael Gault
2019-04-23 20:37   ` Josh Poimboeuf
2019-04-23 20:37     ` Josh Poimboeuf
2019-04-09 13:52 ` [RFC 6/6] objtool: arm64: Enable stack validation for arm64 Raphael Gault
2019-04-09 13:52   ` Raphael Gault
2019-04-09 14:57 ` [PATCH 0/6] objtool: Add support for Arm64 Josh Poimboeuf
2019-04-09 14:57   ` Josh Poimboeuf
2019-04-09 17:43 ` Ard Biesheuvel
2019-04-09 17:43   ` Ard Biesheuvel
2019-04-10  3:37   ` Josh Poimboeuf
2019-04-10  3:37     ` Josh Poimboeuf
2019-04-10  7:20     ` Julien Thierry
2019-04-10  7:20       ` Julien Thierry
2019-04-23 21:09 ` Josh Poimboeuf
2019-04-23 21:09   ` Josh Poimboeuf
2019-04-24 16:08   ` Raphael Gault
2019-04-24 16:08     ` Raphael Gault
2019-04-24 16:14     ` Josh Poimboeuf
2019-04-24 16:14       ` Josh Poimboeuf

find likely ancestor, descendant, or conflicting patches for this message:
dfblob:4feb6119c3c dfblob:4feb6119c3c dfblob:636a07a7eb7
dfblob:636a07a7eb7
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