parisc: add skeleton syscall.h

Needed for lib/syscall.c when HAVE_ARCH_TRACEHOOK. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

parisc: add skeleton syscall.h
Needed for lib/syscall.c when HAVE_ARCH_TRACEHOOK. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Kyle McMartin · Kyle McMartin
1 parent ecd3d4bc06
Showing 2 changed files with 44 additions and 1 deletions Side-by-side Diff
arch/parisc/include/asm/ptrace.h
arch/parisc/include/asm/syscall.h
@@ -59,9 +59,12 @@
 #define user_mode(regs)			(((regs)->iaoq[0] & 3) ? 1 : 0)
 #define user_space(regs)		(((regs)->iasq[1] != 0) ? 1 : 0)
 #define instruction_pointer(regs)	((regs)->iaoq[0] & ~3)
+#define user_stack_pointer(regs)	((regs)->gr[30])
 unsigned long profile_pc(struct pt_regs *);
 extern void show_regs(struct pt_regs *);
-#endif
+
+
+#endif /* __KERNEL__ */
  
 #endif
+/* 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_*/
...	...	@@ -59,9 +59,12 @@
59	59	#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
60	60	#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0)
61	61	#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
	62	+#define user_stack_pointer(regs) ((regs)->gr[30])
62	63	unsigned long profile_pc(struct pt_regs *);
63	64	extern void show_regs(struct pt_regs *);
64		-#endif
	65	+
	66	+
	67	+#endif /* __KERNEL__ */
65	68
66	69	#endif
	1	+/* syscall.h */
	2	+
	3	+#ifndef _ASM_PARISC_SYSCALL_H_
	4	+#define _ASM_PARISC_SYSCALL_H_
	5	+
	6	+#include <linux/err.h>
	7	+#include <asm/ptrace.h>
	8	+
	9	+static inline long syscall_get_nr(struct task_struct *tsk,
	10	+ struct pt_regs *regs)
	11	+{
	12	+ return regs->gr[20];
	13	+}
	14	+
	15	+static inline void syscall_get_arguments(struct task_struct *tsk,
	16	+ struct pt_regs *regs, unsigned int i,
	17	+ unsigned int n, unsigned long *args)
	18	+{
	19	+ BUG_ON(i);
	20	+
	21	+ switch (n) {
	22	+ case 6:
	23	+ args[5] = regs->gr[21];
	24	+ case 5:
	25	+ args[4] = regs->gr[22];
	26	+ case 4:
	27	+ args[3] = regs->gr[23];
	28	+ case 3:
	29	+ args[2] = regs->gr[24];
	30	+ case 2:
	31	+ args[1] = regs->gr[25];
	32	+ case 1:
	33	+ args[0] = regs->gr[26];
	34	+ break;
	35	+ default:
	36	+ BUG();
	37	+ }
	38	+}
	39	+
	40	+#endif /_ASM_PARISC_SYSCALL_H_/