forked from luck/tmp_suning_uos_patched
sh: Wire up HAVE_SYSCALL_TRACEPOINTS.
This is necessary to get ftrace syscall tracing working again.. a fairly trivial and mechanical change. The one benefit is that this can also be enabled on sh64, despite not having its own ftrace port. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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ea88023b34
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a74f7e0410
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@ -20,6 +20,7 @@ config SUPERH
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_BZIP2
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select HAVE_KERNEL_LZMA
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select HAVE_SYSCALL_TRACEPOINTS
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select RTC_LIB
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select GENERIC_ATOMIC64
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help
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@ -116,7 +116,7 @@ extern void free_thread_info(struct thread_info *ti);
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#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
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#define TIF_SECCOMP 6 /* secure computing */
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#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
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#define TIF_SYSCALL_FTRACE 8 /* for ftrace syscall instrumentation */
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#define TIF_SYSCALL_TRACEPOINT 8 /* for ftrace syscall instrumentation */
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#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
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#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
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#define TIF_MEMDIE 18
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@ -130,7 +130,7 @@ extern void free_thread_info(struct thread_info *ti);
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#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
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#define _TIF_SECCOMP (1 << TIF_SECCOMP)
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#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
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#define _TIF_SYSCALL_FTRACE (1 << TIF_SYSCALL_FTRACE)
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#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
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#define _TIF_USEDFPU (1 << TIF_USEDFPU)
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#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
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#define _TIF_FREEZE (1 << TIF_FREEZE)
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@ -144,13 +144,13 @@ extern void free_thread_info(struct thread_info *ti);
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/* work to do in syscall trace */
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#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
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_TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
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_TIF_SYSCALL_FTRACE)
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_TIF_SYSCALL_TRACEPOINT)
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/* work to do on any return to u-space */
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#define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \
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_TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \
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_TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \
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_TIF_NOTIFY_RESUME | _TIF_SYSCALL_FTRACE)
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_TIF_NOTIFY_RESUME | _TIF_SYSCALL_TRACEPOINT)
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/* work to do on interrupt/exception return */
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#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
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@ -34,7 +34,8 @@
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#include <asm/syscalls.h>
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#include <asm/fpu.h>
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#include <trace/syscall.h>
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#define CREATE_TRACE_POINTS
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#include <trace/events/syscalls.h>
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/*
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* This routine will get a word off of the process kernel stack.
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@ -461,10 +462,8 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
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*/
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ret = -1L;
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#ifdef CONFIG_FTRACE_SYSCALLS
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if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
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ftrace_syscall_enter(regs);
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#endif
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if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
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trace_sys_enter(regs, regs->regs[0]);
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if (unlikely(current->audit_context))
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audit_syscall_entry(audit_arch(), regs->regs[3],
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@ -482,10 +481,8 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
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audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
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regs->regs[0]);
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#ifdef CONFIG_FTRACE_SYSCALLS
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if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
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ftrace_syscall_exit(regs);
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#endif
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if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
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trace_sys_exit(regs, regs->regs[0]);
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step = test_thread_flag(TIF_SINGLESTEP);
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if (step || test_thread_flag(TIF_SYSCALL_TRACE))
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@ -40,6 +40,9 @@
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#include <asm/syscalls.h>
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#include <asm/fpu.h>
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#define CREATE_TRACE_POINTS
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#include <trace/events/syscalls.h>
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/* This mask defines the bits of the SR which the user is not allowed to
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change, which are everything except S, Q, M, PR, SZ, FR. */
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#define SR_MASK (0xffff8cfd)
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@ -438,6 +441,9 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs)
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*/
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ret = -1LL;
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if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
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trace_sys_enter(regs, regs->regs[9]);
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if (unlikely(current->audit_context))
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audit_syscall_entry(audit_arch(), regs->regs[1],
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regs->regs[2], regs->regs[3],
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@ -452,6 +458,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
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audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
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regs->regs[9]);
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if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
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trace_sys_exit(regs, regs->regs[9]);
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if (test_thread_flag(TIF_SYSCALL_TRACE))
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tracehook_report_syscall_exit(regs, 0);
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}
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