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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-10-11 10:55:04 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-10-11 10:55:04 +0100
commita0f0dd57f4a85310d9936f1770a0424b49fef876 (patch)
tree2f85b8b67dda13d19b02ca39e0fbef921cb1cf8b /arch/arm/kernel/ptrace.c
parent2a552d5e63d7fa602c9a9a0717008737f55625a6 (diff)
parent846a136881b8f73c1f74250bf6acfaa309cab1f2 (diff)
Merge branch 'fixes' into for-linus
Conflicts: arch/arm/kernel/smp.c
Diffstat (limited to 'arch/arm/kernel/ptrace.c')
-rw-r--r--arch/arm/kernel/ptrace.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 3e0fc5f7ed4..739db3a1b2d 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -30,6 +30,9 @@
#include <asm/pgtable.h>
#include <asm/traps.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
+
#define REG_PC 15
#define REG_PSR 16
/*
@@ -918,11 +921,11 @@ static int ptrace_syscall_trace(struct pt_regs *regs, int scno,
{
unsigned long ip;
+ current_thread_info()->syscall = scno;
+
if (!test_thread_flag(TIF_SYSCALL_TRACE))
return scno;
- current_thread_info()->syscall = scno;
-
/*
* IP is used to denote syscall entry/exit:
* IP = 0 -> entry, =1 -> exit
@@ -941,15 +944,19 @@ static int ptrace_syscall_trace(struct pt_regs *regs, int scno,
asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno)
{
- int ret = ptrace_syscall_trace(regs, scno, PTRACE_SYSCALL_ENTER);
+ scno = ptrace_syscall_trace(regs, scno, PTRACE_SYSCALL_ENTER);
+ if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
+ trace_sys_enter(regs, scno);
audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0, regs->ARM_r1,
regs->ARM_r2, regs->ARM_r3);
- return ret;
+ return scno;
}
asmlinkage int syscall_trace_exit(struct pt_regs *regs, int scno)
{
- int ret = ptrace_syscall_trace(regs, scno, PTRACE_SYSCALL_EXIT);
+ scno = ptrace_syscall_trace(regs, scno, PTRACE_SYSCALL_EXIT);
+ if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
+ trace_sys_exit(regs, scno);
audit_syscall_exit(regs);
- return ret;
+ return scno;
}