From: Christoph Hellwig <hch@lst.de>
Date: Mon, 15 Apr 2019 09:14:40 +0000 (+0200)
Subject: riscv: remove duplicate macros from ptrace.h
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6ab77af4b0ee09b58ace90aeb9b1b84f4605b859;p=openwrt%2Fstaging%2Fblogic.git

riscv: remove duplicate macros from ptrace.h

No need to have two names for the same thing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
---

diff --git a/arch/riscv/include/asm/ptrace.h b/arch/riscv/include/asm/ptrace.h
index d35ec2f41381..9c867a4bac83 100644
--- a/arch/riscv/include/asm/ptrace.h
+++ b/arch/riscv/include/asm/ptrace.h
@@ -70,47 +70,38 @@ struct pt_regs {
 
 
 /* Helpers for working with the instruction pointer */
-#define GET_IP(regs) ((regs)->sepc)
-#define SET_IP(regs, val) (GET_IP(regs) = (val))
-
 static inline unsigned long instruction_pointer(struct pt_regs *regs)
 {
-	return GET_IP(regs);
+	return regs->sepc;
 }
 static inline void instruction_pointer_set(struct pt_regs *regs,
 					   unsigned long val)
 {
-	SET_IP(regs, val);
+	regs->sepc = val;
 }
 
 #define profile_pc(regs) instruction_pointer(regs)
 
 /* Helpers for working with the user stack pointer */
-#define GET_USP(regs) ((regs)->sp)
-#define SET_USP(regs, val) (GET_USP(regs) = (val))
-
 static inline unsigned long user_stack_pointer(struct pt_regs *regs)
 {
-	return GET_USP(regs);
+	return regs->sp;
 }
 static inline void user_stack_pointer_set(struct pt_regs *regs,
 					  unsigned long val)
 {
-	SET_USP(regs, val);
+	regs->sp =  val;
 }
 
 /* Helpers for working with the frame pointer */
-#define GET_FP(regs) ((regs)->s0)
-#define SET_FP(regs, val) (GET_FP(regs) = (val))
-
 static inline unsigned long frame_pointer(struct pt_regs *regs)
 {
-	return GET_FP(regs);
+	return regs->s0;
 }
 static inline void frame_pointer_set(struct pt_regs *regs,
 				     unsigned long val)
 {
-	SET_FP(regs, val);
+	regs->s0 = val;
 }
 
 static inline unsigned long regs_return_value(struct pt_regs *regs)
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 855036c440c1..a4386a0c8f67 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -33,9 +33,9 @@ static void notrace walk_stackframe(struct task_struct *task,
 	unsigned long fp, sp, pc;
 
 	if (regs) {
-		fp = GET_FP(regs);
-		sp = GET_USP(regs);
-		pc = GET_IP(regs);
+		fp = frame_pointer(regs);
+		sp = user_stack_pointer(regs);
+		pc = instruction_pointer(regs);
 	} else if (task == NULL || task == current) {
 		const register unsigned long current_sp __asm__ ("sp");
 		fp = (unsigned long)__builtin_frame_address(0);
@@ -78,8 +78,8 @@ static void notrace walk_stackframe(struct task_struct *task,
 	unsigned long *ksp;
 
 	if (regs) {
-		sp = GET_USP(regs);
-		pc = GET_IP(regs);
+		sp = user_stack_pointer(regs);
+		pc = instruction_pointer(regs);
 	} else if (task == NULL || task == current) {
 		const register unsigned long current_sp __asm__ ("sp");
 		sp = current_sp;
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 24a9333dda2c..86731a2fa218 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -70,7 +70,7 @@ void do_trap(struct pt_regs *regs, int signo, int code,
 	    && printk_ratelimit()) {
 		pr_info("%s[%d]: unhandled signal %d code 0x%x at 0x" REG_FMT,
 			tsk->comm, task_pid_nr(tsk), signo, code, addr);
-		print_vma_addr(KERN_CONT " in ", GET_IP(regs));
+		print_vma_addr(KERN_CONT " in ", instruction_pointer(regs));
 		pr_cont("\n");
 		show_regs(regs);
 	}