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[2/5] powerpc: don't use asm-generic/ptrace.h

Message ID 20190501173943.5688-3-hch@lst.de (mailing list archive)
State Superseded
Headers show
Series [1/5] arm64: don't use asm-generic/ptrace.h | expand

Commit Message

Christoph Hellwig May 1, 2019, 5:39 p.m. UTC
Doing the indirection through macros for the regs accessors just
makes them harder to read, so implement the helpers directly.

Note that only the helpers actually used are implemented now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/powerpc/include/asm/ptrace.h | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

Comments

Michael Ellerman May 2, 2019, 3:30 a.m. UTC | #1
Christoph Hellwig <hch@lst.de> writes:

> Doing the indirection through macros for the regs accessors just
> makes them harder to read, so implement the helpers directly.
>
> Note that only the helpers actually used are implemented now.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  arch/powerpc/include/asm/ptrace.h | 29 ++++++++++++++++++++++-------
>  1 file changed, 22 insertions(+), 7 deletions(-)

Looks fine, thanks.

Acked-by: Michael Ellerman <mpe@ellerman.id.au>

cheers

> diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
> index 64271e562fed..5d30944f1f6b 100644
> --- a/arch/powerpc/include/asm/ptrace.h
> +++ b/arch/powerpc/include/asm/ptrace.h
> @@ -108,18 +108,33 @@ struct pt_regs
>  
>  #ifndef __ASSEMBLY__
>  
> -#define GET_IP(regs)		((regs)->nip)
> -#define GET_USP(regs)		((regs)->gpr[1])
> -#define GET_FP(regs)		(0)
> -#define SET_FP(regs, val)
> +static inline unsigned long instruction_pointer(struct pt_regs *regs)
> +{
> +	return regs->nip;
> +}
> +
> +static inline void instruction_pointer_set(struct pt_regs *regs,
> +		unsigned long val)
> +{
> +	regs->nip = val;
> +}
> +
> +static inline unsigned long user_stack_pointer(struct pt_regs *regs)
> +{
> +	return regs->gpr[1];
> +}
> +
> +static inline unsigned long frame_pointer(struct pt_regs *regs)
> +{
> +	return 0;
> +}
>  
>  #ifdef CONFIG_SMP
>  extern unsigned long profile_pc(struct pt_regs *regs);
> -#define profile_pc profile_pc
> +#else
> +#define profile_pc(regs) instruction_pointer(regs)
>  #endif
>  
> -#include <asm-generic/ptrace.h>
> -
>  #define kernel_stack_pointer(regs) ((regs)->gpr[1])
>  static inline int is_syscall_success(struct pt_regs *regs)
>  {
> -- 
> 2.20.1
diff mbox series

Patch

diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 64271e562fed..5d30944f1f6b 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -108,18 +108,33 @@  struct pt_regs
 
 #ifndef __ASSEMBLY__
 
-#define GET_IP(regs)		((regs)->nip)
-#define GET_USP(regs)		((regs)->gpr[1])
-#define GET_FP(regs)		(0)
-#define SET_FP(regs, val)
+static inline unsigned long instruction_pointer(struct pt_regs *regs)
+{
+	return regs->nip;
+}
+
+static inline void instruction_pointer_set(struct pt_regs *regs,
+		unsigned long val)
+{
+	regs->nip = val;
+}
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+	return regs->gpr[1];
+}
+
+static inline unsigned long frame_pointer(struct pt_regs *regs)
+{
+	return 0;
+}
 
 #ifdef CONFIG_SMP
 extern unsigned long profile_pc(struct pt_regs *regs);
-#define profile_pc profile_pc
+#else
+#define profile_pc(regs) instruction_pointer(regs)
 #endif
 
-#include <asm-generic/ptrace.h>
-
 #define kernel_stack_pointer(regs) ((regs)->gpr[1])
 static inline int is_syscall_success(struct pt_regs *regs)
 {