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x86: don't use asm-generic/ptrace.h 

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>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Christoph Hellwig 2019-06-24 07:47:27 +02:00 committed by Arnd Bergmann
parent 045bd00f3e
commit 79f2562c32
1 changed files with 25 additions and 5 deletions
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30
arch/x86/include/asm/ptrace.h
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@ -98,7 +98,6 @@ struct cpuinfo_x86;
struct task_struct;
extern unsigned long profile_pc(struct pt_regs *regs);
#define profile_pc profile_pc
extern unsigned long
convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
@ -175,11 +174,32 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
}
#endif
#define GET_IP(regs) ((regs)->ip)
#define GET_FP(regs) ((regs)->bp)
#define GET_USP(regs) ((regs)->sp)
static inline unsigned long instruction_pointer(struct pt_regs *regs)
{
return regs->ip;
}
#include <asm-generic/ptrace.h>
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
regs->ip = val;
}
static inline unsigned long frame_pointer(struct pt_regs *regs)
{
return regs->bp;
}
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
return regs->sp;
}
static inline void user_stack_pointer_set(struct pt_regs *regs,
unsigned long val)
{
regs->sp = val;
}
/* Query offset/name of register from its name/offset */
extern int regs_query_register_offset(const char *name);