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parisc: Add syscall tracepoint support

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This patch adds support for the TIF_SYSCALL_TRACEPOINT on the parisc
architecture. Basically, it calls the appropriate tracepoints on syscall
entry and exit.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller
2016-04-13 22:44:54 +02:00
parent f6c658df63
commit fc79168a7c
6 changed files with 28 additions and 1 deletions
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9
arch/parisc/include/asm/syscall.h
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@@ -8,6 +8,8 @@
#include <linux/err.h>
#include <asm/ptrace.h>
#define NR_syscalls (__NR_Linux_syscalls)
static inline long syscall_get_nr(struct task_struct *tsk,
struct pt_regs *regs)
{
@@ -33,12 +35,19 @@ static inline void syscall_get_arguments(struct task_struct *tsk,
args[1] = regs->gr[25];
case 1:
args[0] = regs->gr[26];
case 0:
break;
default:
BUG();
}
}
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
return regs->gr[28];
}
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)