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arm64: don't use asm-generic/ptrace.h

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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: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Christoph Hellwig 2019-06-24 07:47:24 +02:00 committed by Arnd Bergmann
parent f2c7c76c5d
commit 56a5d00328
1 changed files with 19 additions and 12 deletions
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31
arch/arm64/include/asm/ptrace.h
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@ -228,11 +228,12 @@ static inline void forget_syscall(struct pt_regs *regs)
#define fast_interrupts_enabled(regs) \
(!((regs)->pstate & PSR_F_BIT))
#define GET_USP(regs) \
(!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)
#define SET_USP(ptregs, value) \
(!compat_user_mode(regs) ? ((regs)->sp = value) : ((regs)->compat_sp = value))
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
if (compat_user_mode(regs))
return regs->compat_sp;
return regs->sp;
}
extern int regs_query_register_offset(const char *name);
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
@ -331,13 +332,20 @@ static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs,
struct task_struct;
int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task);
#define GET_IP(regs) ((unsigned long)(regs)->pc)
#define SET_IP(regs, value) ((regs)->pc = ((u64) (value)))
static inline unsigned long instruction_pointer(struct pt_regs *regs)
{
return regs->pc;
}
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
regs->pc = val;
}
#define GET_FP(ptregs) ((unsigned long)(ptregs)->regs[29])
#define SET_FP(ptregs, value) ((ptregs)->regs[29] = ((u64) (value)))
#include <asm-generic/ptrace.h>
static inline unsigned long frame_pointer(struct pt_regs *regs)
{
return regs->regs[29];
}
#define procedure_link_pointer(regs) ((regs)->regs[30])
@ -347,7 +355,6 @@ static inline void procedure_link_pointer_set(struct pt_regs *regs,
procedure_link_pointer(regs) = val;
}
#undef profile_pc
extern unsigned long profile_pc(struct pt_regs *regs);
#endif /* __ASSEMBLY__ */