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linux-user: Add missing clock_gettime64() syscall strace

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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>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220918194555.83535-3-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Helge Deller 2022-09-18 21:45:45 +02:00 committed by Laurent Vivier
parent 7b72aa1d81
commit aad43d1542
2 changed files with 57 additions and 0 deletions
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53
linux-user/strace.c
View File

@ -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,

4
linux-user/strace.list
View File

@ -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