---

yaml
---
r: 276154
b: refs/heads/master
c: 46589e2
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ea2e7057c0234cfb8b09467d8f137760d371fc72
+refs/heads/master: 46589e2922509f9134ce79fa75180886c9765c58

trunk/arch/arm/kernel/kprobes-test-thumb.c

@@ -222,8 +222,8 @@ void kprobe_thumb16_test_cases(void)
 DONT_TEST_IN_ITBLOCK(
 	TEST_BF_R(  "cbnz	r",0,0, ", 2f")
 	TEST_BF_R(  "cbz	r",2,-1,", 2f")
-	TEST_BF_RX( "cbnz	r",4,1, ", 2f",0x20)
-	TEST_BF_RX( "cbz	r",7,0, ", 2f",0x40)
+	TEST_BF_RX( "cbnz	r",4,1, ", 2f", SPACE_0x20)
+	TEST_BF_RX( "cbz	r",7,0, ", 2f", SPACE_0x40)
 )
 	TEST_R("sxth	r0, r",7, HH1,"")
 	TEST_R("sxth	r7, r",0, HH2,"")
@@ -246,7 +246,7 @@ DONT_TEST_IN_ITBLOCK(
 	TESTCASE_START(code)		\
 	TEST_ARG_PTR(13, offset)	\
 	TEST_ARG_END("")		\
-	TEST_BRANCH_F(code,0)		\
+	TEST_BRANCH_F(code)		\
 	TESTCASE_END
 
 	TEST("push	{r0}")
@@ -319,8 +319,8 @@ CONDITION_INSTRUCTIONS(8,
 
 	TEST_BF(  "b	2f")
 	TEST_BB(  "b	2b")
-	TEST_BF_X("b	2f", 0x400)
-	TEST_BB_X("b	2b", 0x400)
+	TEST_BF_X("b	2f", SPACE_0x400)
+	TEST_BB_X("b	2b", SPACE_0x400)
 
 	TEST_GROUP("Testing instructions in IT blocks")
 
@@ -746,7 +746,7 @@ CONDITION_INSTRUCTIONS(22,
 	TEST_BB("bne.w	2b")
 	TEST_BF("bgt.w	2f")
 	TEST_BB("blt.w	2b")
-	TEST_BF_X("bpl.w	2f",0x1000)
+	TEST_BF_X("bpl.w	2f", SPACE_0x1000)
 )
 
 	TEST_UNSUPPORTED("msr	cpsr, r0")
@@ -786,11 +786,11 @@ CONDITION_INSTRUCTIONS(22,
 
 	TEST_BF(  "b.w	2f")
 	TEST_BB(  "b.w	2b")
-	TEST_BF_X("b.w	2f", 0x1000)
+	TEST_BF_X("b.w	2f", SPACE_0x1000)
 
 	TEST_BF(  "bl.w	2f")
 	TEST_BB(  "bl.w	2b")
-	TEST_BB_X("bl.w	2b", 0x1000)
+	TEST_BB_X("bl.w	2b", SPACE_0x1000)
 
 	TEST_X(	"blx	__dummy_arm_subroutine",
 		".arm				\n\t"

trunk/arch/arm/kernel/kprobes-test.h

@@ -149,23 +149,31 @@ struct test_arg_end {
 	"1:	"instruction"				\n\t"	\
 	"	nop					\n\t"
 
-#define TEST_BRANCH_F(instruction, xtra_dist)			\
+#define TEST_BRANCH_F(instruction)				\
 	TEST_INSTRUCTION(instruction)				\
-	".if "#xtra_dist"				\n\t"	\
 	"	b	99f				\n\t"	\
-	".space "#xtra_dist"				\n\t"	\
-	".endif						\n\t"	\
+	"2:	nop					\n\t"
+
+#define TEST_BRANCH_B(instruction)				\
+	"	b	50f				\n\t"	\
+	"	b	99f				\n\t"	\
+	"2:	nop					\n\t"	\
+	"	b	99f				\n\t"	\
+	TEST_INSTRUCTION(instruction)
+
+#define TEST_BRANCH_FX(instruction, codex)			\
+	TEST_INSTRUCTION(instruction)				\
+	"	b	99f				\n\t"	\
+	codex"						\n\t"	\
 	"	b	99f				\n\t"	\
 	"2:	nop					\n\t"
 
-#define TEST_BRANCH_B(instruction, xtra_dist)			\
+#define TEST_BRANCH_BX(instruction, codex)			\
 	"	b	50f				\n\t"	\
 	"	b	99f				\n\t"	\
 	"2:	nop					\n\t"	\
 	"	b	99f				\n\t"	\
-	".if "#xtra_dist"				\n\t"	\
-	".space "#xtra_dist"				\n\t"	\
-	".endif						\n\t"	\
+	codex"						\n\t"	\
 	TEST_INSTRUCTION(instruction)
 
 #define TESTCASE_END						\
@@ -301,47 +309,60 @@ struct test_arg_end {
 	TESTCASE_START(code1 #reg1 code2)	\
 	TEST_ARG_PTR(reg1, val1)		\
 	TEST_ARG_END("")			\
-	TEST_BRANCH_F(code1 #reg1 code2, 0)	\
+	TEST_BRANCH_F(code1 #reg1 code2)	\
 	TESTCASE_END
 
-#define TEST_BF_X(code, xtra_dist)		\
+#define TEST_BF(code)				\
 	TESTCASE_START(code)			\
 	TEST_ARG_END("")			\
-	TEST_BRANCH_F(code, xtra_dist)		\
+	TEST_BRANCH_F(code)			\
 	TESTCASE_END
 
-#define TEST_BB_X(code, xtra_dist)		\
+#define TEST_BB(code)				\
 	TESTCASE_START(code)			\
 	TEST_ARG_END("")			\
-	TEST_BRANCH_B(code, xtra_dist)		\
+	TEST_BRANCH_B(code)			\
 	TESTCASE_END
 
-#define TEST_BF_RX(code1, reg, val, code2, xtra_dist)	\
-	TESTCASE_START(code1 #reg code2)		\
-	TEST_ARG_REG(reg, val)				\
-	TEST_ARG_END("")				\
-	TEST_BRANCH_F(code1 #reg code2, xtra_dist)	\
+#define TEST_BF_R(code1, reg, val, code2)	\
+	TESTCASE_START(code1 #reg code2)	\
+	TEST_ARG_REG(reg, val)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_F(code1 #reg code2)		\
 	TESTCASE_END
 
-#define TEST_BB_RX(code1, reg, val, code2, xtra_dist)	\
-	TESTCASE_START(code1 #reg code2)		\
-	TEST_ARG_REG(reg, val)				\
-	TEST_ARG_END("")				\
-	TEST_BRANCH_B(code1 #reg code2, xtra_dist)	\
+#define TEST_BB_R(code1, reg, val, code2)	\
+	TESTCASE_START(code1 #reg code2)	\
+	TEST_ARG_REG(reg, val)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_B(code1 #reg code2)		\
 	TESTCASE_END
 
-#define TEST_BF(code)	TEST_BF_X(code, 0)
-#define TEST_BB(code)	TEST_BB_X(code, 0)
-
-#define TEST_BF_R(code1, reg, val, code2) TEST_BF_RX(code1, reg, val, code2, 0)
-#define TEST_BB_R(code1, reg, val, code2) TEST_BB_RX(code1, reg, val, code2, 0)
-
 #define TEST_BF_RR(code1, reg1, val1, code2, reg2, val2, code3)	\
 	TESTCASE_START(code1 #reg1 code2 #reg2 code3)		\
 	TEST_ARG_REG(reg1, val1)				\
 	TEST_ARG_REG(reg2, val2)				\
 	TEST_ARG_END("")					\
-	TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3, 0)		\
+	TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3)		\
+	TESTCASE_END
+
+#define TEST_BF_X(code, codex)			\
+	TESTCASE_START(code)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_FX(code, codex)		\
+	TESTCASE_END
+
+#define TEST_BB_X(code, codex)			\
+	TESTCASE_START(code)			\
+	TEST_ARG_END("")			\
+	TEST_BRANCH_BX(code, codex)		\
+	TESTCASE_END
+
+#define TEST_BF_RX(code1, reg, val, code2, codex)	\
+	TESTCASE_START(code1 #reg code2)		\
+	TEST_ARG_REG(reg, val)				\
+	TEST_ARG_END("")				\
+	TEST_BRANCH_FX(code1 #reg code2, codex)		\
 	TESTCASE_END
 
 #define TEST_X(code, codex)			\
@@ -372,6 +393,25 @@ struct test_arg_end {
 	TESTCASE_END
 
 
+/*
+ * Macros for defining space directives spread over multiple lines.
+ * These are required so the compiler guesses better the length of inline asm
+ * code and will spill the literal pool early enough to avoid generating PC
+ * relative loads with out of range offsets.
+ */
+#define TWICE(x)	x x
+#define SPACE_0x8	TWICE(".space 4\n\t")
+#define SPACE_0x10	TWICE(SPACE_0x8)
+#define SPACE_0x20	TWICE(SPACE_0x10)
+#define SPACE_0x40	TWICE(SPACE_0x20)
+#define SPACE_0x80	TWICE(SPACE_0x40)
+#define SPACE_0x100	TWICE(SPACE_0x80)
+#define SPACE_0x200	TWICE(SPACE_0x100)
+#define SPACE_0x400	TWICE(SPACE_0x200)
+#define SPACE_0x800	TWICE(SPACE_0x400)
+#define SPACE_0x1000	TWICE(SPACE_0x800)
+
+
 /* Various values used in test cases... */
 #define N(val)	(val ^ 0xffffffff)
 #define VAL1	0x12345678