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parisc: add skeleton syscall.h

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Needed for lib/syscall.c when HAVE_ARCH_TRACEHOOK.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
This commit is contained in:
Kyle McMartin 2009-07-05 15:59:56 -04:00 • committed by Kyle McMartin
parent ecd3d4bc06
commit 40e03b6857
2 changed files with 44 additions and 1 deletions
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5
arch/parisc/include/asm/ptrace.h
View file

@ -59,8 +59,11 @@ void user_enable_block_step(struct task_struct *task);
#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0) #define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0) #define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0)
#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3) #define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
#define user_stack_pointer(regs) ((regs)->gr[30])
unsigned long profile_pc(struct pt_regs *); unsigned long profile_pc(struct pt_regs *);
extern void show_regs(struct pt_regs *); extern void show_regs(struct pt_regs *);
#endif
#endif /* __KERNEL__ */
#endif #endif

40
arch/parisc/include/asm/syscall.h Normal file
View file

@ -0,0 +1,40 @@
/* syscall.h */
#ifndef _ASM_PARISC_SYSCALL_H_
#define _ASM_PARISC_SYSCALL_H_
#include <linux/err.h>
#include <asm/ptrace.h>
static inline long syscall_get_nr(struct task_struct *tsk,
struct pt_regs *regs)
{
return regs->gr[20];
}
static inline void syscall_get_arguments(struct task_struct *tsk,
struct pt_regs *regs, unsigned int i,
unsigned int n, unsigned long *args)
{
BUG_ON(i);
switch (n) {
case 6:
args[5] = regs->gr[21];
case 5:
args[4] = regs->gr[22];
case 4:
args[3] = regs->gr[23];
case 3:
args[2] = regs->gr[24];
case 2:
args[1] = regs->gr[25];
case 1:
args[0] = regs->gr[26];
break;
default:
BUG();
}
}
#endif /*_ASM_PARISC_SYSCALL_H_*/