From: tip-bot for Josh Poimboeuf <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: torvalds@linux-foundation.org, mmarek@suse.cz,
tglx@linutronix.de, acme@kernel.org, jslaby@suse.cz,
linux-kernel@vger.kernel.org, luto@amacapital.net,
luto@kernel.org, dvlasenk@redhat.com, namhyung@gmail.com,
palves@redhat.com, mingo@kernel.org, jpoimboe@redhat.com,
chris.j.arges@canonical.com, hpa@zytor.com, peterz@infradead.org,
bernd@petrovitsch.priv.at, bp@alien8.de, brgerst@gmail.com
Subject: [tip:x86/asm] x86/asm: Add C versions of frame pointer macros
Date: Tue, 19 Jan 2016 05:40:02 -0800 [thread overview]
Message-ID: <tip-ec5186557abbe711dfd34e1863735dfecb0602cc@git.kernel.org> (raw)
In-Reply-To: <f6786a282bf232ede3e2866414eae3cf02c7d662.1450442274.git.jpoimboe@redhat.com>
Commit-ID: ec5186557abbe711dfd34e1863735dfecb0602cc
Gitweb: http://git.kernel.org/tip/ec5186557abbe711dfd34e1863735dfecb0602cc
Author: Josh Poimboeuf <jpoimboe@redhat.com>
AuthorDate: Fri, 18 Dec 2015 06:39:19 -0600
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 19 Jan 2016 12:59:07 +0100
x86/asm: Add C versions of frame pointer macros
Add C versions of the frame pointer macros which can be used to
create a stack frame in inline assembly.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/f6786a282bf232ede3e2866414eae3cf02c7d662.1450442274.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/include/asm/frame.h | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h
index cec213b..6e4d170 100644
--- a/arch/x86/include/asm/frame.h
+++ b/arch/x86/include/asm/frame.h
@@ -1,16 +1,17 @@
#ifndef _ASM_X86_FRAME_H
#define _ASM_X86_FRAME_H
-#ifdef __ASSEMBLY__
-
#include <asm/asm.h>
/*
* These are stack frame creation macros. They should be used by every
* callable non-leaf asm function to make kernel stack traces more reliable.
*/
+
#ifdef CONFIG_FRAME_POINTER
+#ifdef __ASSEMBLY__
+
.macro FRAME_BEGIN
push %_ASM_BP
_ASM_MOV %_ASM_SP, %_ASM_BP
@@ -20,6 +21,16 @@
pop %_ASM_BP
.endm
+#else /* !__ASSEMBLY__ */
+
+#define FRAME_BEGIN \
+ "push %" _ASM_BP "\n" \
+ _ASM_MOV "%" _ASM_SP ", %" _ASM_BP "\n"
+
+#define FRAME_END "pop %" _ASM_BP "\n"
+
+#endif /* __ASSEMBLY__ */
+
#define FRAME_OFFSET __ASM_SEL(4, 8)
#else /* !CONFIG_FRAME_POINTER */
@@ -30,5 +41,4 @@
#endif /* CONFIG_FRAME_POINTER */
-#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_FRAME_H */
next prev parent reply other threads:[~2016-01-19 13:41 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-18 12:39 [PATCH v15 00/25] Compile-time stack metadata validation Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 01/25] tools: Fix formatting of the "make -C tools" help message Josh Poimboeuf
2016-01-13 9:40 ` [tip:perf/urgent] " tip-bot for Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 02/25] tools: Make list.h self-sufficient Josh Poimboeuf
2016-01-12 12:35 ` Borislav Petkov
2016-01-12 14:54 ` Arnaldo Carvalho de Melo
2016-01-12 15:59 ` Borislav Petkov
2016-01-12 17:16 ` Arnaldo Carvalho de Melo
2016-01-13 9:40 ` [tip:perf/urgent] " tip-bot for Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 03/25] tools subcmd: Add missing NORETURN define for parse-options.h Josh Poimboeuf
2016-01-13 9:41 ` [tip:perf/urgent] " tip-bot for Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 04/25] x86/asm: Frame pointer macro cleanup Josh Poimboeuf
2016-01-19 13:39 ` [tip:x86/asm] x86/asm: Clean up frame pointer macros tip-bot for Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 05/25] x86/asm: Add C versions of " Josh Poimboeuf
2016-01-19 13:40 ` tip-bot for Josh Poimboeuf [this message]
2015-12-18 12:39 ` [PATCH v15 06/25] x86/stacktool: Compile-time stack metadata validation Josh Poimboeuf
2016-01-12 14:48 ` Borislav Petkov
2016-01-12 15:06 ` Josh Poimboeuf
2016-01-12 16:10 ` Borislav Petkov
2016-01-19 12:02 ` Ingo Molnar
2015-12-18 12:39 ` [PATCH v15 07/25] x86/stacktool: Add file and directory ignores Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 08/25] x86/stacktool: Add ignore macros Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 09/25] x86/xen: Add stack frame dependency to hypercall inline asm calls Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 10/25] x86/paravirt: Add stack frame dependency to PVOP " Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 11/25] x86/paravirt: Create a stack frame in PV_CALLEE_SAVE_REGS_THUNK Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 12/25] x86/amd: Set ELF function type for vide() Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Josh Poimboeuf
2016-01-12 16:47 ` Borislav Petkov
2016-01-12 17:43 ` Josh Poimboeuf
2016-01-12 17:55 ` Borislav Petkov
2016-01-12 18:56 ` Josh Poimboeuf
2016-01-12 19:37 ` Borislav Petkov
2016-01-13 10:55 ` Ingo Molnar
2016-01-15 6:06 ` Josh Poimboeuf
2016-01-15 10:41 ` Borislav Petkov
2016-01-15 11:00 ` Ingo Molnar
2016-01-15 11:11 ` Borislav Petkov
2016-01-15 11:13 ` Ingo Molnar
2016-01-20 5:42 ` Josh Poimboeuf
2016-01-20 5:50 ` H. Peter Anvin
2016-01-20 6:09 ` Josh Poimboeuf
2016-01-20 10:44 ` Borislav Petkov
2016-01-15 10:56 ` Ingo Molnar
2015-12-18 12:39 ` [PATCH v15 14/25] x86/xen: Add xen_cpuid() and xen_setup_gdt() to stacktool whitelists Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 15/25] x86/asm/crypto: Create stack frames in aesni-intel_asm.S Josh Poimboeuf
2016-01-12 16:53 ` Borislav Petkov
2016-01-12 16:54 ` Borislav Petkov
2015-12-18 12:39 ` [PATCH v15 16/25] x86/asm/crypto: Move .Lbswap_mask data to .rodata section Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 17/25] x86/asm/crypto: Move jump_table " Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 18/25] x86/asm/crypto: Create stack frames in clmul_ghash_mul/update() Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 19/25] x86/asm/entry: Create stack frames in thunk functions Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 20/25] x86/asm/acpi: Create a stack frame in do_suspend_lowlevel() Josh Poimboeuf
2015-12-20 16:13 ` Rafael J. Wysocki
2015-12-18 12:39 ` [PATCH v15 21/25] x86/asm: Create stack frames in rwsem functions Josh Poimboeuf
2016-01-12 12:41 ` Borislav Petkov
2016-01-12 14:36 ` Josh Poimboeuf
2016-01-12 14:40 ` Borislav Petkov
2015-12-18 12:39 ` [PATCH v15 22/25] x86/asm/efi: Create a stack frame in efi_call() Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 23/25] x86/asm/power: Create stack frames in hibernate_asm_64.S Josh Poimboeuf
2015-12-20 16:14 ` Rafael J. Wysocki
2015-12-18 12:39 ` [PATCH v15 24/25] x86/uaccess: Add stack frame output operand in get_user inline asm Josh Poimboeuf
2015-12-18 12:39 ` [PATCH v15 25/25] x86/stacktool: Ignore head_$(BITS) files Josh Poimboeuf
2016-01-12 14:58 ` [PATCH v15 00/25] Compile-time stack metadata validation Arnaldo Carvalho de Melo
2016-01-12 17:17 ` Borislav Petkov
2016-01-12 17:50 ` Josh Poimboeuf
2016-01-12 18:04 ` Borislav Petkov
2016-01-13 10:18 ` Ingo Molnar
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