riscv: remove duplicate macros from ptrace.h
authorChristoph Hellwig <hch@lst.de>
Mon, 15 Apr 2019 09:14:40 +0000 (11:14 +0200)
committerPalmer Dabbelt <palmer@sifive.com>
Thu, 25 Apr 2019 21:51:11 +0000 (14:51 -0700)
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>
arch/riscv/include/asm/ptrace.h
arch/riscv/kernel/stacktrace.c
arch/riscv/kernel/traps.c

index d35ec2f413812a9780d7e7d703260c385fee3507..9c867a4bac8371715b7f537efcf3fcb6f591ec59 100644 (file)
@@ -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)
index 855036c440c1c84ee369c6b233dffc2e3447518c..a4386a0c8f6780cbb8977f6b2444ae5541077cbc 100644 (file)
@@ -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;
index 24a9333dda2cb9bb407d3c4ee1f3954714d30f01..86731a2fa2188c4ca2e381e086d3461fd47fa01a 100644 (file)
@@ -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);
        }