Message ID | 20220918194555.83535-3-deller@gmx.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | linux-user: Add more syscalls, enhance tracing & logging enhancements | expand |
Le 18/09/2022 à 21:45, Helge Deller a écrit : > Allow linux-user to strace the clock_gettime64() syscall. > This syscall is used a lot on 32-bit guest architectures which use newer > glibc versions. > > Signed-off-by: Helge Deller <deller@gmx.de> > --- > linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ > linux-user/strace.list | 4 ++++ > 2 files changed, 57 insertions(+) > > diff --git a/linux-user/strace.c b/linux-user/strace.c > index a4eeef7ae1..816e679995 100644 > --- a/linux-user/strace.c > +++ b/linux-user/strace.c > @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); > UNUSED static void print_raw_param(const char *, abi_long, int); > UNUSED static void print_timeval(abi_ulong, int); > UNUSED static void print_timespec(abi_ulong, int); > +UNUSED static void print_timespec64(abi_ulong, int); > UNUSED static void print_timezone(abi_ulong, int); > UNUSED static void print_itimerval(abi_ulong, int); > UNUSED static void print_number(abi_long, int); > @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname > #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime > #endif > > +#if defined(TARGET_NR_clock_gettime64) > +static void > +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, > + abi_long ret, abi_long arg0, abi_long arg1, > + abi_long arg2, abi_long arg3, abi_long arg4, > + abi_long arg5) > +{ > + if (!print_syscall_err(ret)) { > + qemu_log(TARGET_ABI_FMT_ld, ret); > + qemu_log(" ("); > + print_timespec64(arg1, 1); > + qemu_log(")"); > + } > + > + qemu_log("\n"); > +} > +#endif > + > #ifdef TARGET_NR_gettimeofday > static void > print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, > @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) > } > } > > +static void > +print_timespec64(abi_ulong ts_addr, int last) > +{ > + if (ts_addr) { > + struct target__kernel_timespec *ts; > + > + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); > + if (!ts) { > + print_pointer(ts_addr, last); > + return; > + } > + qemu_log("{tv_sec = %lld" > + ",tv_nsec = %lld}%s", > + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), > + get_comma(last)); > + unlock_user(ts, ts_addr, 0); > + } else { > + qemu_log("NULL%s", get_comma(last)); > + } > +} > + > static void > print_timezone(abi_ulong tz_addr, int last) > { > @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, > #define print_clock_getres print_clock_gettime > #endif > > +#if defined(TARGET_NR_clock_gettime64) > +static void > +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, > + abi_long arg0, abi_long arg1, abi_long arg2, > + abi_long arg3, abi_long arg4, abi_long arg5) > +{ > + print_syscall_prologue(name); > + print_enums(clockids, arg0, 0); > + print_pointer(arg1, 1); > + print_syscall_epilogue(name); > +} > +#endif I think it could be simply: #define print_clock_gettime64 print_clock_gettime where print_clock_gettime() is defined. except that: Reviewed-by: Laurent Vivier <laurent@vivier.eu>
On 9/25/22 17:09, Laurent Vivier wrote: > Le 18/09/2022 à 21:45, Helge Deller a écrit : >> Allow linux-user to strace the clock_gettime64() syscall. >> This syscall is used a lot on 32-bit guest architectures which use newer >> glibc versions. >> >> Signed-off-by: Helge Deller <deller@gmx.de> >> --- >> linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ >> linux-user/strace.list | 4 ++++ >> 2 files changed, 57 insertions(+) >> >> diff --git a/linux-user/strace.c b/linux-user/strace.c >> index a4eeef7ae1..816e679995 100644 >> --- a/linux-user/strace.c >> +++ b/linux-user/strace.c >> @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); >> UNUSED static void print_raw_param(const char *, abi_long, int); >> UNUSED static void print_timeval(abi_ulong, int); >> UNUSED static void print_timespec(abi_ulong, int); >> +UNUSED static void print_timespec64(abi_ulong, int); >> UNUSED static void print_timezone(abi_ulong, int); >> UNUSED static void print_itimerval(abi_ulong, int); >> UNUSED static void print_number(abi_long, int); >> @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname >> #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime >> #endif >> >> +#if defined(TARGET_NR_clock_gettime64) >> +static void >> +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >> + abi_long ret, abi_long arg0, abi_long arg1, >> + abi_long arg2, abi_long arg3, abi_long arg4, >> + abi_long arg5) >> +{ >> + if (!print_syscall_err(ret)) { >> + qemu_log(TARGET_ABI_FMT_ld, ret); >> + qemu_log(" ("); >> + print_timespec64(arg1, 1); >> + qemu_log(")"); >> + } >> + >> + qemu_log("\n"); >> +} >> +#endif >> + >> #ifdef TARGET_NR_gettimeofday >> static void >> print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, >> @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) >> } >> } >> >> +static void >> +print_timespec64(abi_ulong ts_addr, int last) >> +{ >> + if (ts_addr) { >> + struct target__kernel_timespec *ts; >> + >> + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); >> + if (!ts) { >> + print_pointer(ts_addr, last); >> + return; >> + } >> + qemu_log("{tv_sec = %lld" >> + ",tv_nsec = %lld}%s", >> + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), >> + get_comma(last)); >> + unlock_user(ts, ts_addr, 0); >> + } else { >> + qemu_log("NULL%s", get_comma(last)); >> + } >> +} >> + >> static void >> print_timezone(abi_ulong tz_addr, int last) >> { >> @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, >> #define print_clock_getres print_clock_gettime >> #endif >> >> +#if defined(TARGET_NR_clock_gettime64) >> +static void >> +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >> + abi_long arg0, abi_long arg1, abi_long arg2, >> + abi_long arg3, abi_long arg4, abi_long arg5) >> +{ >> + print_syscall_prologue(name); >> + print_enums(clockids, arg0, 0); >> + print_pointer(arg1, 1); >> + print_syscall_epilogue(name); >> +} >> +#endif > > I think it could be simply: > > #define print_clock_gettime64 print_clock_gettime where print_clock_gettime() is defined. Unfortunately not, because one uses print_timespec() while the other uses print_timespec64(). > except that: > > Reviewed-by: Laurent Vivier <laurent@vivier.eu> Thanks! Helge
Le 25/09/2022 à 17:27, Helge Deller a écrit : > On 9/25/22 17:09, Laurent Vivier wrote: >> Le 18/09/2022 à 21:45, Helge Deller a écrit : >>> Allow linux-user to strace the clock_gettime64() syscall. >>> This syscall is used a lot on 32-bit guest architectures which use newer >>> glibc versions. >>> >>> Signed-off-by: Helge Deller <deller@gmx.de> >>> --- >>> linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ >>> linux-user/strace.list | 4 ++++ >>> 2 files changed, 57 insertions(+) >>> >>> diff --git a/linux-user/strace.c b/linux-user/strace.c >>> index a4eeef7ae1..816e679995 100644 >>> --- a/linux-user/strace.c >>> +++ b/linux-user/strace.c >>> @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); >>> UNUSED static void print_raw_param(const char *, abi_long, int); >>> UNUSED static void print_timeval(abi_ulong, int); >>> UNUSED static void print_timespec(abi_ulong, int); >>> +UNUSED static void print_timespec64(abi_ulong, int); >>> UNUSED static void print_timezone(abi_ulong, int); >>> UNUSED static void print_itimerval(abi_ulong, int); >>> UNUSED static void print_number(abi_long, int); >>> @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname >>> #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime >>> #endif >>> >>> +#if defined(TARGET_NR_clock_gettime64) >>> +static void >>> +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>> + abi_long ret, abi_long arg0, abi_long arg1, >>> + abi_long arg2, abi_long arg3, abi_long arg4, >>> + abi_long arg5) >>> +{ >>> + if (!print_syscall_err(ret)) { >>> + qemu_log(TARGET_ABI_FMT_ld, ret); >>> + qemu_log(" ("); >>> + print_timespec64(arg1, 1); >>> + qemu_log(")"); >>> + } >>> + >>> + qemu_log("\n"); >>> +} >>> +#endif >>> + >>> #ifdef TARGET_NR_gettimeofday >>> static void >>> print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, >>> @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) >>> } >>> } >>> >>> +static void >>> +print_timespec64(abi_ulong ts_addr, int last) >>> +{ >>> + if (ts_addr) { >>> + struct target__kernel_timespec *ts; >>> + >>> + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); >>> + if (!ts) { >>> + print_pointer(ts_addr, last); >>> + return; >>> + } >>> + qemu_log("{tv_sec = %lld" >>> + ",tv_nsec = %lld}%s", >>> + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), >>> + get_comma(last)); >>> + unlock_user(ts, ts_addr, 0); >>> + } else { >>> + qemu_log("NULL%s", get_comma(last)); >>> + } >>> +} >>> + >>> static void >>> print_timezone(abi_ulong tz_addr, int last) >>> { >>> @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, >>> #define print_clock_getres print_clock_gettime >>> #endif >>> >>> +#if defined(TARGET_NR_clock_gettime64) >>> +static void >>> +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>> + abi_long arg0, abi_long arg1, abi_long arg2, >>> + abi_long arg3, abi_long arg4, abi_long arg5) >>> +{ >>> + print_syscall_prologue(name); >>> + print_enums(clockids, arg0, 0); >>> + print_pointer(arg1, 1); >>> + print_syscall_epilogue(name); >>> +} >>> +#endif >> >> I think it could be simply: >> >> #define print_clock_gettime64 print_clock_gettime where print_clock_gettime() is defined. > > Unfortunately not, because one uses print_timespec() while the other uses print_timespec64(). > The syscall_ret part cannot be shared, but the prefix function can, they are identical. Thanks, Laurent
On 9/25/22 17:47, Laurent Vivier wrote: > Le 25/09/2022 à 17:27, Helge Deller a écrit : >> On 9/25/22 17:09, Laurent Vivier wrote: >>> Le 18/09/2022 à 21:45, Helge Deller a écrit : >>>> Allow linux-user to strace the clock_gettime64() syscall. >>>> This syscall is used a lot on 32-bit guest architectures which use newer >>>> glibc versions. >>>> >>>> Signed-off-by: Helge Deller <deller@gmx.de> >>>> --- >>>> linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ >>>> linux-user/strace.list | 4 ++++ >>>> 2 files changed, 57 insertions(+) >>>> >>>> diff --git a/linux-user/strace.c b/linux-user/strace.c >>>> index a4eeef7ae1..816e679995 100644 >>>> --- a/linux-user/strace.c >>>> +++ b/linux-user/strace.c >>>> @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); >>>> UNUSED static void print_raw_param(const char *, abi_long, int); >>>> UNUSED static void print_timeval(abi_ulong, int); >>>> UNUSED static void print_timespec(abi_ulong, int); >>>> +UNUSED static void print_timespec64(abi_ulong, int); >>>> UNUSED static void print_timezone(abi_ulong, int); >>>> UNUSED static void print_itimerval(abi_ulong, int); >>>> UNUSED static void print_number(abi_long, int); >>>> @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname >>>> #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime >>>> #endif >>>> >>>> +#if defined(TARGET_NR_clock_gettime64) >>>> +static void >>>> +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>>> + abi_long ret, abi_long arg0, abi_long arg1, >>>> + abi_long arg2, abi_long arg3, abi_long arg4, >>>> + abi_long arg5) >>>> +{ >>>> + if (!print_syscall_err(ret)) { >>>> + qemu_log(TARGET_ABI_FMT_ld, ret); >>>> + qemu_log(" ("); >>>> + print_timespec64(arg1, 1); >>>> + qemu_log(")"); >>>> + } >>>> + >>>> + qemu_log("\n"); >>>> +} >>>> +#endif >>>> + >>>> #ifdef TARGET_NR_gettimeofday >>>> static void >>>> print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, >>>> @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) >>>> } >>>> } >>>> >>>> +static void >>>> +print_timespec64(abi_ulong ts_addr, int last) >>>> +{ >>>> + if (ts_addr) { >>>> + struct target__kernel_timespec *ts; >>>> + >>>> + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); >>>> + if (!ts) { >>>> + print_pointer(ts_addr, last); >>>> + return; >>>> + } >>>> + qemu_log("{tv_sec = %lld" >>>> + ",tv_nsec = %lld}%s", >>>> + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), >>>> + get_comma(last)); >>>> + unlock_user(ts, ts_addr, 0); >>>> + } else { >>>> + qemu_log("NULL%s", get_comma(last)); >>>> + } >>>> +} >>>> + >>>> static void >>>> print_timezone(abi_ulong tz_addr, int last) >>>> { >>>> @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, >>>> #define print_clock_getres print_clock_gettime >>>> #endif >>>> >>>> +#if defined(TARGET_NR_clock_gettime64) >>>> +static void >>>> +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>>> + abi_long arg0, abi_long arg1, abi_long arg2, >>>> + abi_long arg3, abi_long arg4, abi_long arg5) >>>> +{ >>>> + print_syscall_prologue(name); >>>> + print_enums(clockids, arg0, 0); >>>> + print_pointer(arg1, 1); >>>> + print_syscall_epilogue(name); >>>> +} >>>> +#endif >>> >>> I think it could be simply: >>> >>> #define print_clock_gettime64 print_clock_gettime where print_clock_gettime() is defined. >> >> Unfortunately not, because one uses print_timespec() while the other uses print_timespec64(). > > The syscall_ret part cannot be shared, but the prefix function can, they are identical. Ah.. right. I don't know any longer why I didn't that. Maybe because of too much #ifdeffery or to keep the patch simple. Will we leave as-is, will you clean up, or shall I resend that patch? Helge
Le 25/09/2022 à 17:53, Helge Deller a écrit : > On 9/25/22 17:47, Laurent Vivier wrote: >> Le 25/09/2022 à 17:27, Helge Deller a écrit : >>> On 9/25/22 17:09, Laurent Vivier wrote: >>>> Le 18/09/2022 à 21:45, Helge Deller a écrit : >>>>> Allow linux-user to strace the clock_gettime64() syscall. >>>>> This syscall is used a lot on 32-bit guest architectures which use newer >>>>> glibc versions. >>>>> >>>>> Signed-off-by: Helge Deller <deller@gmx.de> >>>>> --- >>>>> linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ >>>>> linux-user/strace.list | 4 ++++ >>>>> 2 files changed, 57 insertions(+) >>>>> >>>>> diff --git a/linux-user/strace.c b/linux-user/strace.c >>>>> index a4eeef7ae1..816e679995 100644 >>>>> --- a/linux-user/strace.c >>>>> +++ b/linux-user/strace.c >>>>> @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); >>>>> UNUSED static void print_raw_param(const char *, abi_long, int); >>>>> UNUSED static void print_timeval(abi_ulong, int); >>>>> UNUSED static void print_timespec(abi_ulong, int); >>>>> +UNUSED static void print_timespec64(abi_ulong, int); >>>>> UNUSED static void print_timezone(abi_ulong, int); >>>>> UNUSED static void print_itimerval(abi_ulong, int); >>>>> UNUSED static void print_number(abi_long, int); >>>>> @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct >>>>> syscallname >>>>> #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime >>>>> #endif >>>>> >>>>> +#if defined(TARGET_NR_clock_gettime64) >>>>> +static void >>>>> +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>>>> + abi_long ret, abi_long arg0, abi_long arg1, >>>>> + abi_long arg2, abi_long arg3, abi_long arg4, >>>>> + abi_long arg5) >>>>> +{ >>>>> + if (!print_syscall_err(ret)) { >>>>> + qemu_log(TARGET_ABI_FMT_ld, ret); >>>>> + qemu_log(" ("); >>>>> + print_timespec64(arg1, 1); >>>>> + qemu_log(")"); >>>>> + } >>>>> + >>>>> + qemu_log("\n"); >>>>> +} >>>>> +#endif >>>>> + >>>>> #ifdef TARGET_NR_gettimeofday >>>>> static void >>>>> print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, >>>>> @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) >>>>> } >>>>> } >>>>> >>>>> +static void >>>>> +print_timespec64(abi_ulong ts_addr, int last) >>>>> +{ >>>>> + if (ts_addr) { >>>>> + struct target__kernel_timespec *ts; >>>>> + >>>>> + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); >>>>> + if (!ts) { >>>>> + print_pointer(ts_addr, last); >>>>> + return; >>>>> + } >>>>> + qemu_log("{tv_sec = %lld" >>>>> + ",tv_nsec = %lld}%s", >>>>> + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), >>>>> + get_comma(last)); >>>>> + unlock_user(ts, ts_addr, 0); >>>>> + } else { >>>>> + qemu_log("NULL%s", get_comma(last)); >>>>> + } >>>>> +} >>>>> + >>>>> static void >>>>> print_timezone(abi_ulong tz_addr, int last) >>>>> { >>>>> @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, >>>>> #define print_clock_getres print_clock_gettime >>>>> #endif >>>>> >>>>> +#if defined(TARGET_NR_clock_gettime64) >>>>> +static void >>>>> +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>>>> + abi_long arg0, abi_long arg1, abi_long arg2, >>>>> + abi_long arg3, abi_long arg4, abi_long arg5) >>>>> +{ >>>>> + print_syscall_prologue(name); >>>>> + print_enums(clockids, arg0, 0); >>>>> + print_pointer(arg1, 1); >>>>> + print_syscall_epilogue(name); >>>>> +} >>>>> +#endif >>>> >>>> I think it could be simply: >>>> >>>> #define print_clock_gettime64 print_clock_gettime where print_clock_gettime() is defined. >>> >>> Unfortunately not, because one uses print_timespec() while the other uses print_timespec64(). >> >> The syscall_ret part cannot be shared, but the prefix function can, they are identical. > > Ah.. right. I don't know any longer why I didn't that. > Maybe because of too much #ifdeffery or to keep the patch simple. > Will we leave as-is, will you clean up, or shall I resend that patch? As you prefer... Thanks, Laurent
On 9/25/22 17:58, Laurent Vivier wrote: > Le 25/09/2022 à 17:53, Helge Deller a écrit : >> On 9/25/22 17:47, Laurent Vivier wrote: >>> Le 25/09/2022 à 17:27, Helge Deller a écrit : >>>> On 9/25/22 17:09, Laurent Vivier wrote: >>>>> Le 18/09/2022 à 21:45, Helge Deller a écrit : >>>>>> Allow linux-user to strace the clock_gettime64() syscall. >>>>>> This syscall is used a lot on 32-bit guest architectures which use newer >>>>>> glibc versions. >>>>>> >>>>>> Signed-off-by: Helge Deller <deller@gmx.de> >>>>>> --- >>>>>> linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ >>>>>> linux-user/strace.list | 4 ++++ >>>>>> 2 files changed, 57 insertions(+) >>>>>> >>>>>> diff --git a/linux-user/strace.c b/linux-user/strace.c >>>>>> index a4eeef7ae1..816e679995 100644 >>>>>> --- a/linux-user/strace.c >>>>>> +++ b/linux-user/strace.c >>>>>> @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); >>>>>> UNUSED static void print_raw_param(const char *, abi_long, int); >>>>>> UNUSED static void print_timeval(abi_ulong, int); >>>>>> UNUSED static void print_timespec(abi_ulong, int); >>>>>> +UNUSED static void print_timespec64(abi_ulong, int); >>>>>> UNUSED static void print_timezone(abi_ulong, int); >>>>>> UNUSED static void print_itimerval(abi_ulong, int); >>>>>> UNUSED static void print_number(abi_long, int); >>>>>> @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname >>>>>> #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime >>>>>> #endif >>>>>> >>>>>> +#if defined(TARGET_NR_clock_gettime64) >>>>>> +static void >>>>>> +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>>>>> + abi_long ret, abi_long arg0, abi_long arg1, >>>>>> + abi_long arg2, abi_long arg3, abi_long arg4, >>>>>> + abi_long arg5) >>>>>> +{ >>>>>> + if (!print_syscall_err(ret)) { >>>>>> + qemu_log(TARGET_ABI_FMT_ld, ret); >>>>>> + qemu_log(" ("); >>>>>> + print_timespec64(arg1, 1); >>>>>> + qemu_log(")"); >>>>>> + } >>>>>> + >>>>>> + qemu_log("\n"); >>>>>> +} >>>>>> +#endif >>>>>> + >>>>>> #ifdef TARGET_NR_gettimeofday >>>>>> static void >>>>>> print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, >>>>>> @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) >>>>>> } >>>>>> } >>>>>> >>>>>> +static void >>>>>> +print_timespec64(abi_ulong ts_addr, int last) >>>>>> +{ >>>>>> + if (ts_addr) { >>>>>> + struct target__kernel_timespec *ts; >>>>>> + >>>>>> + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); >>>>>> + if (!ts) { >>>>>> + print_pointer(ts_addr, last); >>>>>> + return; >>>>>> + } >>>>>> + qemu_log("{tv_sec = %lld" >>>>>> + ",tv_nsec = %lld}%s", >>>>>> + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), >>>>>> + get_comma(last)); >>>>>> + unlock_user(ts, ts_addr, 0); >>>>>> + } else { >>>>>> + qemu_log("NULL%s", get_comma(last)); >>>>>> + } >>>>>> +} >>>>>> + >>>>>> static void >>>>>> print_timezone(abi_ulong tz_addr, int last) >>>>>> { >>>>>> @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, >>>>>> #define print_clock_getres print_clock_gettime >>>>>> #endif >>>>>> >>>>>> +#if defined(TARGET_NR_clock_gettime64) >>>>>> +static void >>>>>> +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, >>>>>> + abi_long arg0, abi_long arg1, abi_long arg2, >>>>>> + abi_long arg3, abi_long arg4, abi_long arg5) >>>>>> +{ >>>>>> + print_syscall_prologue(name); >>>>>> + print_enums(clockids, arg0, 0); >>>>>> + print_pointer(arg1, 1); >>>>>> + print_syscall_epilogue(name); >>>>>> +} >>>>>> +#endif >>>>> >>>>> I think it could be simply: >>>>> >>>>> #define print_clock_gettime64 print_clock_gettime where print_clock_gettime() is defined. >>>> >>>> Unfortunately not, because one uses print_timespec() while the other uses print_timespec64(). >>> >>> The syscall_ret part cannot be shared, but the prefix function can, they are identical. >> >> Ah.. right. I don't know any longer why I didn't that. >> Maybe because of too much #ifdeffery or to keep the patch simple. >> Will we leave as-is, will you clean up, or shall I resend that patch? > > As you prefer... I'd suggest to leave as-is for now. Helge
diff --git a/linux-user/strace.c b/linux-user/strace.c index a4eeef7ae1..816e679995 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -82,6 +82,7 @@ UNUSED static void print_buf(abi_long addr, abi_long len, int last); UNUSED static void print_raw_param(const char *, abi_long, int); UNUSED static void print_timeval(abi_ulong, int); UNUSED static void print_timespec(abi_ulong, int); +UNUSED static void print_timespec64(abi_ulong, int); UNUSED static void print_timezone(abi_ulong, int); UNUSED static void print_itimerval(abi_ulong, int); UNUSED static void print_number(abi_long, int); @@ -795,6 +796,24 @@ print_syscall_ret_clock_gettime(CPUArchState *cpu_env, const struct syscallname #define print_syscall_ret_clock_getres print_syscall_ret_clock_gettime #endif +#if defined(TARGET_NR_clock_gettime64) +static void +print_syscall_ret_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, + abi_long ret, abi_long arg0, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4, + abi_long arg5) +{ + if (!print_syscall_err(ret)) { + qemu_log(TARGET_ABI_FMT_ld, ret); + qemu_log(" ("); + print_timespec64(arg1, 1); + qemu_log(")"); + } + + qemu_log("\n"); +} +#endif + #ifdef TARGET_NR_gettimeofday static void print_syscall_ret_gettimeofday(CPUArchState *cpu_env, const struct syscallname *name, @@ -1652,6 +1671,27 @@ print_timespec(abi_ulong ts_addr, int last) } } +static void +print_timespec64(abi_ulong ts_addr, int last) +{ + if (ts_addr) { + struct target__kernel_timespec *ts; + + ts = lock_user(VERIFY_READ, ts_addr, sizeof(*ts), 1); + if (!ts) { + print_pointer(ts_addr, last); + return; + } + qemu_log("{tv_sec = %lld" + ",tv_nsec = %lld}%s", + (long long)tswap64(ts->tv_sec), (long long)tswap64(ts->tv_nsec), + get_comma(last)); + unlock_user(ts, ts_addr, 0); + } else { + qemu_log("NULL%s", get_comma(last)); + } +} + static void print_timezone(abi_ulong tz_addr, int last) { @@ -2267,6 +2307,19 @@ print_clock_gettime(CPUArchState *cpu_env, const struct syscallname *name, #define print_clock_getres print_clock_gettime #endif +#if defined(TARGET_NR_clock_gettime64) +static void +print_clock_gettime64(CPUArchState *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + print_syscall_prologue(name); + print_enums(clockids, arg0, 0); + print_pointer(arg1, 1); + print_syscall_epilogue(name); +} +#endif + #ifdef TARGET_NR_clock_settime static void print_clock_settime(CPUArchState *cpu_env, const struct syscallname *name, diff --git a/linux-user/strace.list b/linux-user/strace.list index 72e17b1acf..a78cdf3cdf 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -1676,3 +1676,7 @@ #ifdef TARGET_NR_copy_file_range { TARGET_NR_copy_file_range, "copy_file_range", "%s(%d,%p,%d,%p,"TARGET_ABI_FMT_lu",%u)", NULL, NULL }, #endif +#ifdef TARGET_NR_clock_gettime64 +{ TARGET_NR_clock_gettime64, "clock_gettime64" , NULL, print_clock_gettime64, + print_syscall_ret_clock_gettime64 }, +#endif
Allow linux-user to strace the clock_gettime64() syscall. This syscall is used a lot on 32-bit guest architectures which use newer glibc versions. Signed-off-by: Helge Deller <deller@gmx.de> --- linux-user/strace.c | 53 ++++++++++++++++++++++++++++++++++++++++++ linux-user/strace.list | 4 ++++ 2 files changed, 57 insertions(+) -- 2.37.3