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Message-ID: <158759428722.28353.11322555821987321171.tip-bot2@tip-bot2>
Date: Wed, 22 Apr 2020 22:24:47 -0000
From: "tip-bot2 for Julien Thierry" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Julien Thierry <jthierry@...hat.com>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>,
Miroslav Benes <mbenes@...e.cz>,
Josh Poimboeuf <jpoimboe@...hat.com>, x86 <x86@...nel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [tip: objtool/core] objtool: Split out arch-specific CFI definitions
The following commit has been merged into the objtool/core branch of tip:
Commit-ID: f04f7d856a6d8de36a7ccf70e652565991db1b25
Gitweb: https://git.kernel.org/tip/f04f7d856a6d8de36a7ccf70e652565991db1b25
Author: Julien Thierry <jthierry@...hat.com>
AuthorDate: Fri, 27 Mar 2020 15:28:46
Committer: Josh Poimboeuf <jpoimboe@...hat.com>
CommitterDate: Tue, 14 Apr 2020 10:39:25 -05:00
objtool: Split out arch-specific CFI definitions
Some CFI definitions used by generic objtool code have no reason to vary
from one architecture to another. Keep those definitions in generic
code and move the arch-specific ones to a new arch-specific header.
Signed-off-by: Julien Thierry <jthierry@...hat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Miroslav Benes <mbenes@...e.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
---
tools/objtool/Makefile | 3 ++-
tools/objtool/arch/x86/include/cfi_regs.h | 25 ++++++++++++++++++++++-
tools/objtool/cfi.h | 21 +-----------------
3 files changed, 29 insertions(+), 20 deletions(-)
create mode 100644 tools/objtool/arch/x86/include/cfi_regs.h
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index d1ab0cc..6b91388 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -35,7 +35,8 @@ all: $(OBJTOOL)
INCLUDES := -I$(srctree)/tools/include \
-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
- -I$(srctree)/tools/arch/$(SRCARCH)/include
+ -I$(srctree)/tools/arch/$(SRCARCH)/include \
+ -I$(srctree)/tools/objtool/arch/$(SRCARCH)/include
WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)
diff --git a/tools/objtool/arch/x86/include/cfi_regs.h b/tools/objtool/arch/x86/include/cfi_regs.h
new file mode 100644
index 0000000..79bc517
--- /dev/null
+++ b/tools/objtool/arch/x86/include/cfi_regs.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _OBJTOOL_CFI_REGS_H
+#define _OBJTOOL_CFI_REGS_H
+
+#define CFI_AX 0
+#define CFI_DX 1
+#define CFI_CX 2
+#define CFI_BX 3
+#define CFI_SI 4
+#define CFI_DI 5
+#define CFI_BP 6
+#define CFI_SP 7
+#define CFI_R8 8
+#define CFI_R9 9
+#define CFI_R10 10
+#define CFI_R11 11
+#define CFI_R12 12
+#define CFI_R13 13
+#define CFI_R14 14
+#define CFI_R15 15
+#define CFI_RA 16
+#define CFI_NUM_REGS 17
+
+#endif /* _OBJTOOL_CFI_REGS_H */
diff --git a/tools/objtool/cfi.h b/tools/objtool/cfi.h
index 4427bf8..1a3e7b8 100644
--- a/tools/objtool/cfi.h
+++ b/tools/objtool/cfi.h
@@ -6,30 +6,13 @@
#ifndef _OBJTOOL_CFI_H
#define _OBJTOOL_CFI_H
+#include "cfi_regs.h"
+
#define CFI_UNDEFINED -1
#define CFI_CFA -2
#define CFI_SP_INDIRECT -3
#define CFI_BP_INDIRECT -4
-#define CFI_AX 0
-#define CFI_DX 1
-#define CFI_CX 2
-#define CFI_BX 3
-#define CFI_SI 4
-#define CFI_DI 5
-#define CFI_BP 6
-#define CFI_SP 7
-#define CFI_R8 8
-#define CFI_R9 9
-#define CFI_R10 10
-#define CFI_R11 11
-#define CFI_R12 12
-#define CFI_R13 13
-#define CFI_R14 14
-#define CFI_R15 15
-#define CFI_RA 16
-#define CFI_NUM_REGS 17
-
struct cfi_reg {
int base;
int offset;
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