diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-10-11 10:55:04 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-10-11 10:55:04 +0100 |
commit | a0f0dd57f4a85310d9936f1770a0424b49fef876 (patch) | |
tree | 2f85b8b67dda13d19b02ca39e0fbef921cb1cf8b /arch/arm/kernel/ptrace.c | |
parent | 2a552d5e63d7fa602c9a9a0717008737f55625a6 (diff) | |
parent | 846a136881b8f73c1f74250bf6acfaa309cab1f2 (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.c | 19 |
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; } |