[PATCH v2 1/7] arm64: move arm uprobes code to be reused by arm64
From: Maciej Slodczyk
Date: Wed Sep 26 2018 - 08:12:44 EST
Move ARM32 uprobes code from arch/arm/probes/ to a more common location -
lib/probes/arm/. This code will be used by ARM64 code when uprobing 32-bit
applications.
Signed-off-by: Maciej Slodczyk <m.slodczyk2@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/probes/Makefile | 8 ++++----
arch/arm/probes/kprobes/actions-arm.c | 2 +-
arch/arm/probes/kprobes/checkers-arm.c | 4 ++--
arch/arm/probes/kprobes/checkers-common.c | 4 ++--
arch/arm/probes/kprobes/checkers-thumb.c | 2 +-
arch/arm/probes/kprobes/checkers.h | 2 +-
arch/arm/probes/kprobes/core.c | 2 +-
arch/arm/probes/kprobes/core.h | 2 +-
arch/arm/probes/kprobes/test-core.c | 2 +-
arch/arm/probes/uprobes/Makefile | 2 +-
arch/arm/probes/uprobes/core.c | 4 ++--
lib/Makefile | 2 ++
lib/probes/Makefile | 1 +
lib/probes/arm/Makefile | 6 ++++++
{arch/arm/probes/uprobes => lib/probes/arm}/actions-arm.c | 4 ++--
{arch/arm/probes => lib/probes/arm}/decode-arm.c | 0
{arch/arm/probes => lib/probes/arm}/decode-arm.h | 0
{arch/arm/probes => lib/probes/arm}/decode.c | 0
{arch/arm/probes => lib/probes/arm}/decode.h | 0
19 files changed, 28 insertions(+), 19 deletions(-)
create mode 100644 lib/probes/Makefile
create mode 100644 lib/probes/arm/Makefile
rename {arch/arm/probes/uprobes => lib/probes/arm}/actions-arm.c (99%)
rename {arch/arm/probes => lib/probes/arm}/decode-arm.c (100%)
rename {arch/arm/probes => lib/probes/arm}/decode-arm.h (100%)
rename {arch/arm/probes => lib/probes/arm}/decode.c (100%)
rename {arch/arm/probes => lib/probes/arm}/decode.h (100%)
diff --git a/arch/arm/probes/Makefile b/arch/arm/probes/Makefile
index 8b0ea5a..9e22de6 100644
--- a/arch/arm/probes/Makefile
+++ b/arch/arm/probes/Makefile
@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_UPROBES) += decode.o decode-arm.o uprobes/
-obj-$(CONFIG_KPROBES) += decode.o kprobes/
+subdir-ccflags-y := -I$(srctree)/lib/probes/arm/
+
+obj-$(CONFIG_UPROBES) += uprobes/
+obj-$(CONFIG_KPROBES) += kprobes/
ifdef CONFIG_THUMB2_KERNEL
obj-$(CONFIG_KPROBES) += decode-thumb.o
-else
-obj-$(CONFIG_KPROBES) += decode-arm.o
endif
diff --git a/arch/arm/probes/kprobes/actions-arm.c b/arch/arm/probes/kprobes/actions-arm.c
index b9056d6..fb1179e 100644
--- a/arch/arm/probes/kprobes/actions-arm.c
+++ b/arch/arm/probes/kprobes/actions-arm.c
@@ -62,7 +62,7 @@
#include <linux/kprobes.h>
#include <linux/ptrace.h>
-#include "../decode-arm.h"
+#include "decode-arm.h"
#include "core.h"
#include "checkers.h"
diff --git a/arch/arm/probes/kprobes/checkers-arm.c b/arch/arm/probes/kprobes/checkers-arm.c
index 7b98173..29520a2 100644
--- a/arch/arm/probes/kprobes/checkers-arm.c
+++ b/arch/arm/probes/kprobes/checkers-arm.c
@@ -14,8 +14,8 @@
*/
#include <linux/kernel.h>
-#include "../decode.h"
-#include "../decode-arm.h"
+#include "decode.h"
+#include "decode-arm.h"
#include "checkers.h"
static enum probes_insn __kprobes arm_check_stack(probes_opcode_t insn,
diff --git a/arch/arm/probes/kprobes/checkers-common.c b/arch/arm/probes/kprobes/checkers-common.c
index 971119c..afc3a38 100644
--- a/arch/arm/probes/kprobes/checkers-common.c
+++ b/arch/arm/probes/kprobes/checkers-common.c
@@ -14,8 +14,8 @@
*/
#include <linux/kernel.h>
-#include "../decode.h"
-#include "../decode-arm.h"
+#include "decode.h"
+#include "decode-arm.h"
#include "checkers.h"
enum probes_insn checker_stack_use_none(probes_opcode_t insn,
diff --git a/arch/arm/probes/kprobes/checkers-thumb.c b/arch/arm/probes/kprobes/checkers-thumb.c
index d608e3b..847f1ee 100644
--- a/arch/arm/probes/kprobes/checkers-thumb.c
+++ b/arch/arm/probes/kprobes/checkers-thumb.c
@@ -14,7 +14,7 @@
*/
#include <linux/kernel.h>
-#include "../decode.h"
+#include "decode.h"
#include "../decode-thumb.h"
#include "checkers.h"
diff --git a/arch/arm/probes/kprobes/checkers.h b/arch/arm/probes/kprobes/checkers.h
index cf6c9e7..9bbab0d 100644
--- a/arch/arm/probes/kprobes/checkers.h
+++ b/arch/arm/probes/kprobes/checkers.h
@@ -17,7 +17,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
-#include "../decode.h"
+#include "decode.h"
extern probes_check_t checker_stack_use_none;
extern probes_check_t checker_stack_use_unknown;
diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c
index f8bd523..de5e854 100644
--- a/arch/arm/probes/kprobes/core.c
+++ b/arch/arm/probes/kprobes/core.c
@@ -34,7 +34,7 @@
#include <asm/patch.h>
#include <asm/sections.h>
-#include "../decode-arm.h"
+#include "decode-arm.h"
#include "../decode-thumb.h"
#include "core.h"
diff --git a/arch/arm/probes/kprobes/core.h b/arch/arm/probes/kprobes/core.h
index ec5d1f2..4da60f0 100644
--- a/arch/arm/probes/kprobes/core.h
+++ b/arch/arm/probes/kprobes/core.h
@@ -20,7 +20,7 @@
#define _ARM_KERNEL_KPROBES_H
#include <asm/kprobes.h>
-#include "../decode.h"
+#include "decode.h"
/*
* These undefined instructions must be unique and
diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c
index cc237fa..c19df9f 100644
--- a/arch/arm/probes/kprobes/test-core.c
+++ b/arch/arm/probes/kprobes/test-core.c
@@ -212,7 +212,7 @@
#include "core.h"
#include "test-core.h"
-#include "../decode-arm.h"
+#include "decode-arm.h"
#include "../decode-thumb.h"
diff --git a/arch/arm/probes/uprobes/Makefile b/arch/arm/probes/uprobes/Makefile
index e1dc3d0..0d05ba9 100644
--- a/arch/arm/probes/uprobes/Makefile
+++ b/arch/arm/probes/uprobes/Makefile
@@ -1 +1 @@
-obj-$(CONFIG_UPROBES) += core.o actions-arm.o
+obj-$(CONFIG_UPROBES) += core.o
diff --git a/arch/arm/probes/uprobes/core.c b/arch/arm/probes/uprobes/core.c
index bf99226..90d0954 100644
--- a/arch/arm/probes/uprobes/core.c
+++ b/arch/arm/probes/uprobes/core.c
@@ -17,8 +17,8 @@
#include <asm/opcodes.h>
#include <asm/traps.h>
-#include "../decode.h"
-#include "../decode-arm.h"
+#include "decode.h"
+#include "decode-arm.h"
#include "core.h"
#define UPROBE_TRAP_NR UINT_MAX
diff --git a/lib/Makefile b/lib/Makefile
index ca3f7eb..cf2c5d6 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -129,6 +129,8 @@ obj-$(CONFIG_ZSTD_COMPRESS) += zstd/
obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd/
obj-$(CONFIG_XZ_DEC) += xz/
obj-$(CONFIG_RAID6_PQ) += raid6/
+obj-$(CONFIG_UPROBES) += probes/
+obj-$(CONFIG_KPROBES) += probes/
lib-$(CONFIG_DECOMPRESS_GZIP) += decompress_inflate.o
lib-$(CONFIG_DECOMPRESS_BZIP2) += decompress_bunzip2.o
diff --git a/lib/probes/Makefile b/lib/probes/Makefile
new file mode 100644
index 0000000..534a2b7
--- /dev/null
+++ b/lib/probes/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_ARM) += arm/
diff --git a/lib/probes/arm/Makefile b/lib/probes/arm/Makefile
new file mode 100644
index 0000000..1c97b8f
--- /dev/null
+++ b/lib/probes/arm/Makefile
@@ -0,0 +1,6 @@
+ccflags-y += -I$(srctree)/arch/arm/probes/uprobes/
+obj-$(CONFIG_UPROBES) += decode.o decode-arm.o actions-arm.o
+obj-$(CONFIG_KPROBES) += decode.o
+ifndef CONFIG_THUMB2_KERNEL
+obj-$(CONFIG_KPROBES) += decode-arm.o
+endif
diff --git a/arch/arm/probes/uprobes/actions-arm.c b/lib/probes/arm/actions-arm.c
similarity index 99%
rename from arch/arm/probes/uprobes/actions-arm.c
rename to lib/probes/arm/actions-arm.c
index 76eb449..a25795a 100644
--- a/arch/arm/probes/uprobes/actions-arm.c
+++ b/lib/probes/arm/actions-arm.c
@@ -13,8 +13,8 @@
#include <linux/uprobes.h>
#include <linux/module.h>
-#include "../decode.h"
-#include "../decode-arm.h"
+#include "decode.h"
+#include "decode-arm.h"
#include "core.h"
static int uprobes_substitute_pc(unsigned long *pinsn, u32 oregs)
diff --git a/arch/arm/probes/decode-arm.c b/lib/probes/arm/decode-arm.c
similarity index 100%
rename from arch/arm/probes/decode-arm.c
rename to lib/probes/arm/decode-arm.c
diff --git a/arch/arm/probes/decode-arm.h b/lib/probes/arm/decode-arm.h
similarity index 100%
rename from arch/arm/probes/decode-arm.h
rename to lib/probes/arm/decode-arm.h
diff --git a/arch/arm/probes/decode.c b/lib/probes/arm/decode.c
similarity index 100%
rename from arch/arm/probes/decode.c
rename to lib/probes/arm/decode.c
diff --git a/arch/arm/probes/decode.h b/lib/probes/arm/decode.h
similarity index 100%
rename from arch/arm/probes/decode.h
rename to lib/probes/arm/decode.h
--
2.7.4