There is no point in listing a syscall if you want the same effect as
not listing it. In one less trivial case, the goto was demonstrably
not reachable.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/syscall.c | 144 +------------------------------------------
1 file changed, 1 insertion(+), 143 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 812fb27fa1..ef3b9b623c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8341,14 +8341,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
return ret;
#endif
-#ifdef TARGET_NR_break
- case TARGET_NR_break:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_oldstat
- case TARGET_NR_oldstat:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_lseek
case TARGET_NR_lseek:
return get_errno(lseek(arg1, arg2, arg3));
@@ -8435,16 +8427,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
return get_errno(stime(&host_time));
}
#endif
- case TARGET_NR_ptrace:
- goto unimplemented;
#ifdef TARGET_NR_alarm /* not on alpha */
case TARGET_NR_alarm:
return alarm(arg1);
#endif
-#ifdef TARGET_NR_oldfstat
- case TARGET_NR_oldfstat:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_pause /* not on alpha */
case TARGET_NR_pause:
if (!block_signals()) {
@@ -8515,14 +8501,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
}
return ret;
#endif
-#ifdef TARGET_NR_stty
- case TARGET_NR_stty:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_gtty
- case TARGET_NR_gtty:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_access
case TARGET_NR_access:
if (!(p = lock_user_string(arg1))) {
@@ -8544,10 +8522,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
#ifdef TARGET_NR_nice /* not on alpha */
case TARGET_NR_nice:
return get_errno(nice(arg1));
-#endif
-#ifdef TARGET_NR_ftime
- case TARGET_NR_ftime:
- goto unimplemented;
#endif
case TARGET_NR_sync:
sync();
@@ -8661,14 +8635,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
ret = host_to_target_clock_t(ret);
}
return ret;
-#ifdef TARGET_NR_prof
- case TARGET_NR_prof:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_signal
- case TARGET_NR_signal:
- goto unimplemented;
-#endif
case TARGET_NR_acct:
if (arg1 == 0) {
ret = get_errno(acct(NULL));
@@ -8687,31 +8653,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
ret = get_errno(umount2(p, arg2));
unlock_user(p, arg1, 0);
return ret;
-#endif
-#ifdef TARGET_NR_lock
- case TARGET_NR_lock:
- goto unimplemented;
#endif
case TARGET_NR_ioctl:
return do_ioctl(arg1, arg2, arg3);
#ifdef TARGET_NR_fcntl
case TARGET_NR_fcntl:
return do_fcntl(arg1, arg2, arg3);
-#endif
-#ifdef TARGET_NR_mpx
- case TARGET_NR_mpx:
- goto unimplemented;
#endif
case TARGET_NR_setpgid:
return get_errno(setpgid(arg1, arg2));
-#ifdef TARGET_NR_ulimit
- case TARGET_NR_ulimit:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_oldolduname
- case TARGET_NR_oldolduname:
- goto unimplemented;
-#endif
case TARGET_NR_umask:
return get_errno(umask(arg1));
case TARGET_NR_chroot:
@@ -8720,10 +8670,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
ret = get_errno(chroot(p));
unlock_user(p, arg1, 0);
return ret;
-#ifdef TARGET_NR_ustat
- case TARGET_NR_ustat:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_dup2
case TARGET_NR_dup2:
ret = get_errno(dup2(arg1, arg2));
@@ -9432,10 +9378,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
}
return ret;
#endif
-#ifdef TARGET_NR_oldlstat
- case TARGET_NR_oldlstat:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_readlink
case TARGET_NR_readlink:
{
@@ -9489,10 +9431,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
}
return ret;
#endif
-#ifdef TARGET_NR_uselib
- case TARGET_NR_uselib:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_swapon
case TARGET_NR_swapon:
if (!(p = lock_user_string(arg1)))
@@ -9514,10 +9452,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
ret = get_errno(reboot(arg1, arg2, arg3, NULL));
}
return ret;
-#ifdef TARGET_NR_readdir
- case TARGET_NR_readdir:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_mmap
case TARGET_NR_mmap:
#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
@@ -9638,10 +9572,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
return ret;
case TARGET_NR_setpriority:
return get_errno(setpriority(arg1, arg2, arg3));
-#ifdef TARGET_NR_profil
- case TARGET_NR_profil:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_statfs
case TARGET_NR_statfs:
if (!(p = lock_user_string(arg1))) {
@@ -9713,10 +9643,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
ret = get_errno(fstatfs(arg1, &stfs));
goto convert_statfs64;
#endif
-#ifdef TARGET_NR_ioperm
- case TARGET_NR_ioperm:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_socketcall
case TARGET_NR_socketcall:
return do_socketcall(arg1, arg2);
@@ -9935,21 +9861,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
}
}
return ret;
-#endif
-#ifdef TARGET_NR_olduname
- case TARGET_NR_olduname:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_iopl
- case TARGET_NR_iopl:
- goto unimplemented;
#endif
case TARGET_NR_vhangup:
return get_errno(vhangup());
-#ifdef TARGET_NR_idle
- case TARGET_NR_idle:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_syscall
case TARGET_NR_syscall:
return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
@@ -10122,8 +10036,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_modify_ldt:
return do_modify_ldt(cpu_env, arg1, arg2, arg3);
#if !defined(TARGET_X86_64)
- case TARGET_NR_vm86old:
- goto unimplemented;
case TARGET_NR_vm86:
return do_vm86(cpu_env, arg1, arg2);
#endif
@@ -10160,35 +10072,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
}
return ret;
#endif
-#ifdef TARGET_NR_create_module
- case TARGET_NR_create_module:
-#endif
- case TARGET_NR_init_module:
- case TARGET_NR_delete_module:
-#ifdef TARGET_NR_get_kernel_syms
- case TARGET_NR_get_kernel_syms:
-#endif
- goto unimplemented;
- case TARGET_NR_quotactl:
- goto unimplemented;
case TARGET_NR_getpgid:
return get_errno(getpgid(arg1));
case TARGET_NR_fchdir:
return get_errno(fchdir(arg1));
-#ifdef TARGET_NR_bdflush /* not on x86_64 */
- case TARGET_NR_bdflush:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_sysfs
- case TARGET_NR_sysfs:
- goto unimplemented;
-#endif
case TARGET_NR_personality:
return get_errno(personality(arg1));
-#ifdef TARGET_NR_afs_syscall
- case TARGET_NR_afs_syscall:
- goto unimplemented;
-#endif
#ifdef TARGET_NR__llseek /* Not on alpha */
case TARGET_NR__llseek:
{
@@ -10702,14 +10591,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
}
}
return ret;
-#ifdef TARGET_NR_query_module
- case TARGET_NR_query_module:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_nfsservctl
- case TARGET_NR_nfsservctl:
- goto unimplemented;
-#endif
case TARGET_NR_prctl:
switch (arg1) {
case PR_GET_PDEATHSIG:
@@ -10795,7 +10676,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
#if defined(TARGET_I386) && !defined(TARGET_ABI32)
return do_arch_prctl(cpu_env, arg1, arg2);
#else
- goto unimplemented;
+#error unreachable
#endif
#endif
#ifdef TARGET_NR_pread64
@@ -10945,21 +10826,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
return ret;
}
#endif
-#else
- case TARGET_NR_sendfile:
-#ifdef TARGET_NR_sendfile64
- case TARGET_NR_sendfile64:
-#endif
- goto unimplemented;
-#endif
-
-#ifdef TARGET_NR_getpmsg
- case TARGET_NR_getpmsg:
- goto unimplemented;
-#endif
-#ifdef TARGET_NR_putpmsg
- case TARGET_NR_putpmsg:
- goto unimplemented;
#endif
#ifdef TARGET_NR_vfork
case TARGET_NR_vfork:
@@ -11502,9 +11368,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_setfsgid32:
return get_errno(setfsgid(arg1));
#endif
-
- case TARGET_NR_pivot_root:
- goto unimplemented;
#ifdef TARGET_NR_mincore
case TARGET_NR_mincore:
{
@@ -11662,10 +11525,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
/* self-modifying code is handled automatically, so nothing needed */
return 0;
#endif
-#ifdef TARGET_NR_security
- case TARGET_NR_security:
- goto unimplemented;
-#endif
#ifdef TARGET_NR_getpagesize
case TARGET_NR_getpagesize:
return TARGET_PAGE_SIZE;
@@ -12631,7 +12490,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
#endif
default:
- unimplemented:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
return -TARGET_ENOSYS;
}
--
2.17.1
Le 18/08/2018 à 21:01, Richard Henderson a écrit : > There is no point in listing a syscall if you want the same effect as > not listing it. In one less trivial case, the goto was demonstrably > not reachable. > > Reviewed-by: Peter Maydell <peter.maydell@linaro.org> > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > linux-user/syscall.c | 144 +------------------------------------------ > 1 file changed, 1 insertion(+), 143 deletions(-) > Reviewed-by: Laurent Vivier <laurent@vivier.eu>
On 08/18/2018 04:01 PM, Richard Henderson wrote:
> There is no point in listing a syscall if you want the same effect as
> not listing it. In one less trivial case, the goto was demonstrably
> not reachable.
>
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> linux-user/syscall.c | 144 +------------------------------------------
> 1 file changed, 1 insertion(+), 143 deletions(-)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 812fb27fa1..ef3b9b623c 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -8341,14 +8341,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> unlock_user(p, arg1, 0);
> return ret;
> #endif
> -#ifdef TARGET_NR_break
> - case TARGET_NR_break:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_oldstat
> - case TARGET_NR_oldstat:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_lseek
> case TARGET_NR_lseek:
> return get_errno(lseek(arg1, arg2, arg3));
> @@ -8435,16 +8427,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> return get_errno(stime(&host_time));
> }
> #endif
> - case TARGET_NR_ptrace:
> - goto unimplemented;
> #ifdef TARGET_NR_alarm /* not on alpha */
> case TARGET_NR_alarm:
> return alarm(arg1);
> #endif
> -#ifdef TARGET_NR_oldfstat
> - case TARGET_NR_oldfstat:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_pause /* not on alpha */
> case TARGET_NR_pause:
> if (!block_signals()) {
> @@ -8515,14 +8501,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> }
> return ret;
> #endif
> -#ifdef TARGET_NR_stty
> - case TARGET_NR_stty:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_gtty
> - case TARGET_NR_gtty:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_access
> case TARGET_NR_access:
> if (!(p = lock_user_string(arg1))) {
> @@ -8544,10 +8522,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> #ifdef TARGET_NR_nice /* not on alpha */
> case TARGET_NR_nice:
> return get_errno(nice(arg1));
> -#endif
> -#ifdef TARGET_NR_ftime
> - case TARGET_NR_ftime:
> - goto unimplemented;
> #endif
> case TARGET_NR_sync:
> sync();
> @@ -8661,14 +8635,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> ret = host_to_target_clock_t(ret);
> }
> return ret;
> -#ifdef TARGET_NR_prof
> - case TARGET_NR_prof:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_signal
> - case TARGET_NR_signal:
> - goto unimplemented;
> -#endif
> case TARGET_NR_acct:
> if (arg1 == 0) {
> ret = get_errno(acct(NULL));
> @@ -8687,31 +8653,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> ret = get_errno(umount2(p, arg2));
> unlock_user(p, arg1, 0);
> return ret;
> -#endif
> -#ifdef TARGET_NR_lock
> - case TARGET_NR_lock:
> - goto unimplemented;
> #endif
> case TARGET_NR_ioctl:
> return do_ioctl(arg1, arg2, arg3);
> #ifdef TARGET_NR_fcntl
> case TARGET_NR_fcntl:
> return do_fcntl(arg1, arg2, arg3);
> -#endif
> -#ifdef TARGET_NR_mpx
> - case TARGET_NR_mpx:
> - goto unimplemented;
> #endif
> case TARGET_NR_setpgid:
> return get_errno(setpgid(arg1, arg2));
> -#ifdef TARGET_NR_ulimit
> - case TARGET_NR_ulimit:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_oldolduname
> - case TARGET_NR_oldolduname:
> - goto unimplemented;
> -#endif
> case TARGET_NR_umask:
> return get_errno(umask(arg1));
> case TARGET_NR_chroot:
> @@ -8720,10 +8670,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> ret = get_errno(chroot(p));
> unlock_user(p, arg1, 0);
> return ret;
> -#ifdef TARGET_NR_ustat
> - case TARGET_NR_ustat:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_dup2
> case TARGET_NR_dup2:
> ret = get_errno(dup2(arg1, arg2));
> @@ -9432,10 +9378,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> }
> return ret;
> #endif
> -#ifdef TARGET_NR_oldlstat
> - case TARGET_NR_oldlstat:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_readlink
> case TARGET_NR_readlink:
> {
> @@ -9489,10 +9431,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> }
> return ret;
> #endif
> -#ifdef TARGET_NR_uselib
> - case TARGET_NR_uselib:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_swapon
> case TARGET_NR_swapon:
> if (!(p = lock_user_string(arg1)))
> @@ -9514,10 +9452,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> ret = get_errno(reboot(arg1, arg2, arg3, NULL));
> }
> return ret;
> -#ifdef TARGET_NR_readdir
> - case TARGET_NR_readdir:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_mmap
> case TARGET_NR_mmap:
> #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
> @@ -9638,10 +9572,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> return ret;
> case TARGET_NR_setpriority:
> return get_errno(setpriority(arg1, arg2, arg3));
> -#ifdef TARGET_NR_profil
> - case TARGET_NR_profil:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_statfs
> case TARGET_NR_statfs:
> if (!(p = lock_user_string(arg1))) {
> @@ -9713,10 +9643,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> ret = get_errno(fstatfs(arg1, &stfs));
> goto convert_statfs64;
> #endif
> -#ifdef TARGET_NR_ioperm
> - case TARGET_NR_ioperm:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_socketcall
> case TARGET_NR_socketcall:
> return do_socketcall(arg1, arg2);
> @@ -9935,21 +9861,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> }
> }
> return ret;
> -#endif
> -#ifdef TARGET_NR_olduname
> - case TARGET_NR_olduname:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_iopl
> - case TARGET_NR_iopl:
> - goto unimplemented;
> #endif
> case TARGET_NR_vhangup:
> return get_errno(vhangup());
> -#ifdef TARGET_NR_idle
> - case TARGET_NR_idle:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_syscall
> case TARGET_NR_syscall:
> return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
> @@ -10122,8 +10036,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> case TARGET_NR_modify_ldt:
> return do_modify_ldt(cpu_env, arg1, arg2, arg3);
> #if !defined(TARGET_X86_64)
> - case TARGET_NR_vm86old:
> - goto unimplemented;
> case TARGET_NR_vm86:
> return do_vm86(cpu_env, arg1, arg2);
> #endif
> @@ -10160,35 +10072,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> }
> return ret;
> #endif
> -#ifdef TARGET_NR_create_module
> - case TARGET_NR_create_module:
> -#endif
> - case TARGET_NR_init_module:
> - case TARGET_NR_delete_module:
> -#ifdef TARGET_NR_get_kernel_syms
> - case TARGET_NR_get_kernel_syms:
> -#endif
> - goto unimplemented;
> - case TARGET_NR_quotactl:
> - goto unimplemented;
> case TARGET_NR_getpgid:
> return get_errno(getpgid(arg1));
> case TARGET_NR_fchdir:
> return get_errno(fchdir(arg1));
> -#ifdef TARGET_NR_bdflush /* not on x86_64 */
> - case TARGET_NR_bdflush:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_sysfs
> - case TARGET_NR_sysfs:
> - goto unimplemented;
> -#endif
> case TARGET_NR_personality:
> return get_errno(personality(arg1));
> -#ifdef TARGET_NR_afs_syscall
> - case TARGET_NR_afs_syscall:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR__llseek /* Not on alpha */
> case TARGET_NR__llseek:
> {
> @@ -10702,14 +10591,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> }
> }
> return ret;
> -#ifdef TARGET_NR_query_module
> - case TARGET_NR_query_module:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_nfsservctl
> - case TARGET_NR_nfsservctl:
> - goto unimplemented;
> -#endif
> case TARGET_NR_prctl:
> switch (arg1) {
> case PR_GET_PDEATHSIG:
> @@ -10795,7 +10676,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> #if defined(TARGET_I386) && !defined(TARGET_ABI32)
> return do_arch_prctl(cpu_env, arg1, arg2);
> #else
> - goto unimplemented;
> +#error unreachable
> #endif
> #endif
> #ifdef TARGET_NR_pread64
> @@ -10945,21 +10826,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> return ret;
> }
> #endif
> -#else
> - case TARGET_NR_sendfile:
> -#ifdef TARGET_NR_sendfile64
> - case TARGET_NR_sendfile64:
> -#endif
> - goto unimplemented;
> -#endif
> -
> -#ifdef TARGET_NR_getpmsg
> - case TARGET_NR_getpmsg:
> - goto unimplemented;
> -#endif
> -#ifdef TARGET_NR_putpmsg
> - case TARGET_NR_putpmsg:
> - goto unimplemented;
> #endif
> #ifdef TARGET_NR_vfork
> case TARGET_NR_vfork:
> @@ -11502,9 +11368,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> case TARGET_NR_setfsgid32:
> return get_errno(setfsgid(arg1));
> #endif
> -
> - case TARGET_NR_pivot_root:
> - goto unimplemented;
> #ifdef TARGET_NR_mincore
> case TARGET_NR_mincore:
> {
> @@ -11662,10 +11525,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> /* self-modifying code is handled automatically, so nothing needed */
> return 0;
> #endif
> -#ifdef TARGET_NR_security
> - case TARGET_NR_security:
> - goto unimplemented;
> -#endif
> #ifdef TARGET_NR_getpagesize
> case TARGET_NR_getpagesize:
> return TARGET_PAGE_SIZE;
> @@ -12631,7 +12490,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
> #endif
>
> default:
> - unimplemented:
> qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
> return -TARGET_ENOSYS;
> }
>
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