diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sh/include/asm/thread_info.h | 8 | ||||
| -rw-r--r-- | arch/sh/kernel/ptrace_32.c | 15 | ||||
| -rw-r--r-- | arch/sh/kernel/ptrace_64.c | 9 |
4 files changed, 20 insertions, 13 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 2f5352c..4df3570 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -20,6 +20,7 @@ config SUPERH select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA + select HAVE_SYSCALL_TRACEPOINTS select RTC_LIB select GENERIC_ATOMIC64 help diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index 5123bca..bdeb9d4 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -116,7 +116,7 @@ extern void free_thread_info(struct thread_info *ti); #define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ #define TIF_SECCOMP 6 /* secure computing */ #define TIF_NOTIFY_RESUME 7 /* callback before returning to user */ -#define TIF_SYSCALL_FTRACE 8 /* for ftrace syscall instrumentation */ +#define TIF_SYSCALL_TRACEPOINT 8 /* for ftrace syscall instrumentation */ #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_MEMDIE 18 @@ -130,7 +130,7 @@ extern void free_thread_info(struct thread_info *ti); #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -#define _TIF_SYSCALL_FTRACE (1 << TIF_SYSCALL_FTRACE) +#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) #define _TIF_USEDFPU (1 << TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_FREEZE (1 << TIF_FREEZE) @@ -144,13 +144,13 @@ extern void free_thread_info(struct thread_info *ti); /* work to do in syscall trace */ #define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \ - _TIF_SYSCALL_FTRACE) + _TIF_SYSCALL_TRACEPOINT) /* work to do on any return to u-space */ #define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \ _TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \ _TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \ - _TIF_NOTIFY_RESUME | _TIF_SYSCALL_FTRACE) + _TIF_NOTIFY_RESUME | _TIF_SYSCALL_TRACEPOINT) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \ diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index f4f58e4..9be35f3 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -34,7 +34,8 @@ #include <asm/syscalls.h> #include <asm/fpu.h> -#include <trace/syscall.h> +#define CREATE_TRACE_POINTS +#include <trace/events/syscalls.h> /* * This routine will get a word off of the process kernel stack. @@ -461,10 +462,8 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) */ ret = -1L; -#ifdef CONFIG_FTRACE_SYSCALLS - if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) - ftrace_syscall_enter(regs); -#endif + if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) + trace_sys_enter(regs, regs->regs[0]); if (unlikely(current->audit_context)) audit_syscall_entry(audit_arch(), regs->regs[3], @@ -482,10 +481,8 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]), regs->regs[0]); -#ifdef CONFIG_FTRACE_SYSCALLS - if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE))) - ftrace_syscall_exit(regs); -#endif + if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) + trace_sys_exit(regs, regs->regs[0]); step = test_thread_flag(TIF_SINGLESTEP); if (step || test_thread_flag(TIF_SYSCALL_TRACE)) diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index 6950974..952da83 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -40,6 +40,9 @@ #include <asm/syscalls.h> #include <asm/fpu.h> +#define CREATE_TRACE_POINTS +#include <trace/events/syscalls.h> + /* This mask defines the bits of the SR which the user is not allowed to change, which are everything except S, Q, M, PR, SZ, FR. */ #define SR_MASK (0xffff8cfd) @@ -438,6 +441,9 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs) */ ret = -1LL; + if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) + trace_sys_enter(regs, regs->regs[9]); + if (unlikely(current->audit_context)) audit_syscall_entry(audit_arch(), regs->regs[1], regs->regs[2], regs->regs[3], @@ -452,6 +458,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]), regs->regs[9]); + if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) + trace_sys_exit(regs, regs->regs[9]); + if (test_thread_flag(TIF_SYSCALL_TRACE)) tracehook_report_syscall_exit(regs, 0); } |