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riscv: remove duplicate macros from ptrace.h

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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>
This commit is contained in:
Christoph Hellwig 2019-04-15 11:14:40 +02:00 committed by Palmer Dabbelt
parent 877425424d
commit 6ab77af4b0
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GPG Key ID: EF4CA1502CCBAB41
3 changed files with 12 additions and 21 deletions
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21
arch/riscv/include/asm/ptrace.h
View 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)

10
arch/riscv/kernel/stacktrace.c
View 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;

2
arch/riscv/kernel/traps.c
View 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);
}