summaryrefslogtreecommitdiff
path: root/arch/parisc/include/asm/syscall.h
diff options
context:
space:
mode:
authorHelge Deller <deller@gmx.de>2016-04-13 22:44:54 +0200
committerHelge Deller <deller@gmx.de>2016-05-22 21:38:47 +0200
commitfc79168a7c75423047d60a033dc4844955ccae0b (patch)
tree2a2cc2008024f4025965abd54799004176c3dc58 /arch/parisc/include/asm/syscall.h
parentf6c658df63856db3bf8f467024b1dbee37b5399c (diff)
parisc: Add syscall tracepoint support
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>
Diffstat (limited to 'arch/parisc/include/asm/syscall.h')
-rw-r--r--arch/parisc/include/asm/syscall.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h
index 637ce8d6f375..5e0b4e6bd99d 100644
--- a/arch/parisc/include/asm/syscall.h
+++ b/arch/parisc/include/asm/syscall.h
@@ -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)