Unverified Commit e06f4ce1 authored by Nanyong Sun's avatar Nanyong Sun Committed by Palmer Dabbelt
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riscv: ptrace: Fix no prototype warnings 



Fix the following W=1 kernel compilation warnings:
arch/riscv/kernel/ftrace.c:186:6: warning: no previous prototype for ‘prepare_ftrace_return’ [-Wmissing-prototypes]
  186 | void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
      |      ^~~~~~~~~~~~~~~~~~~~~
arch/riscv/kernel/ptrace.c:239:15: warning: no previous prototype for ‘do_syscall_trace_enter’ [-Wmissing-prototypes]
  239 | __visible int do_syscall_trace_enter(struct pt_regs *regs)
      |               ^~~~~~~~~~~~~~~~~~~~~~
arch/riscv/kernel/ptrace.c:262:16: warning: no previous prototype for ‘do_syscall_trace_exit’ [-Wmissing-prototypes]
  262 | __visible void do_syscall_trace_exit(struct pt_regs *regs)
      |                ^~~~~~~~~~~~~~~~~~~~~

Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarNanyong Sun <sunnanyong@huawei.com>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 56a6c37f

arch/riscv/include/asm/ptrace.h

+5 −0
Original line number Diff line number Diff line
@@ -119,6 +119,11 @@ extern int regs_query_register_offset(const char *name); 
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,

					       unsigned int n);



void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,

			   unsigned long frame_pointer);

int do_syscall_trace_enter(struct pt_regs *regs);

void do_syscall_trace_exit(struct pt_regs *regs);



/**

 * regs_get_register() - get register value from its offset

 * @regs:	pt_regs from which register value is gotten