diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index dfc851cc35..bb42a225eb 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7286,6 +7286,9 @@ static inline int target_to_host_mlockall_arg(int arg) } #endif +#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ + defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ + defined(TARGET_NR_newfstatat)) static inline abi_long host_to_target_stat64(void *cpu_env, abi_ulong target_addr, struct stat *host_st) @@ -7348,6 +7351,7 @@ static inline abi_long host_to_target_stat64(void *cpu_env, return 0; } +#endif /* ??? Using host futex calls even when target atomic operations are not really atomic probably breaks things. However implementing @@ -7996,8 +8000,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, { CPUState *cpu = ENV_GET_CPU(cpu_env); abi_long ret; +#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ + || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ + || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) struct stat st; +#endif +#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ + || defined(TARGET_NR_fstatfs) struct statfs stfs; +#endif void *p; #if defined(DEBUG_ERESTARTSYS) @@ -8365,9 +8376,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_oldstat: goto unimplemented; #endif +#ifdef TARGET_NR_lseek case TARGET_NR_lseek: ret = get_errno(lseek(arg1, arg2, arg3)); break; +#endif #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) /* Alpha specific */ case TARGET_NR_getxpid: @@ -9251,6 +9264,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(sethostname(p, arg2)); unlock_user(p, arg1, 0); break; +#ifdef TARGET_NR_setrlimit case TARGET_NR_setrlimit: { int resource = target_to_host_resource(arg1); @@ -9264,6 +9278,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(setrlimit(resource, &rlim)); } break; +#endif +#ifdef TARGET_NR_getrlimit case TARGET_NR_getrlimit: { int resource = target_to_host_resource(arg1); @@ -9280,6 +9296,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } } break; +#endif case TARGET_NR_getrusage: { struct rusage rusage; @@ -9644,15 +9661,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(munlockall()); break; #endif +#ifdef TARGET_NR_truncate case TARGET_NR_truncate: if (!(p = lock_user_string(arg1))) goto efault; ret = get_errno(truncate(p, arg2)); unlock_user(p, arg1, 0); break; +#endif +#ifdef TARGET_NR_ftruncate case TARGET_NR_ftruncate: ret = get_errno(ftruncate(arg1, arg2)); break; +#endif case TARGET_NR_fchmod: ret = get_errno(fchmod(arg1, arg2)); break; @@ -9688,6 +9709,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_NR_profil: goto unimplemented; #endif +#ifdef TARGET_NR_statfs case TARGET_NR_statfs: if (!(p = lock_user_string(arg1))) goto efault; @@ -9719,9 +9741,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_stfs, arg2, 1); } break; +#endif +#ifdef TARGET_NR_fstatfs case TARGET_NR_fstatfs: ret = get_errno(fstatfs(arg1, &stfs)); goto convert_statfs; +#endif #ifdef TARGET_NR_statfs64 case TARGET_NR_statfs64: if (!(p = lock_user_string(arg1))) @@ -9969,6 +9994,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); goto do_stat; #endif +#ifdef TARGET_NR_fstat case TARGET_NR_fstat: { ret = get_errno(fstat(arg1, &st)); @@ -9998,6 +10024,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } } break; +#endif #ifdef TARGET_NR_olduname case TARGET_NR_olduname: goto unimplemented; @@ -10848,15 +10875,22 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_AARCH64 case TARGET_PR_SVE_SET_VL: - /* We cannot support either PR_SVE_SET_VL_ONEXEC - or PR_SVE_VL_INHERIT. Therefore, anything above - ARM_MAX_VQ results in EINVAL. */ + /* + * We cannot support either PR_SVE_SET_VL_ONEXEC or + * PR_SVE_VL_INHERIT. Note the kernel definition + * of sve_vl_valid allows for VQ=512, i.e. VL=8192, + * even though the current architectural maximum is VQ=16. + */ ret = -TARGET_EINVAL; if (arm_feature(cpu_env, ARM_FEATURE_SVE) - && arg2 >= 0 && arg2 <= ARM_MAX_VQ * 16 && !(arg2 & 15)) { + && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { CPUARMState *env = cpu_env; - int old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; - int vq = MAX(arg2 / 16, 1); + ARMCPU *cpu = arm_env_get_cpu(env); + uint32_t vq, old_vq; + + old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; + vq = MAX(arg2 / 16, 1); + vq = MIN(vq, cpu->sve_max_vq); if (vq < old_vq) { aarch64_sve_narrow_vq(env, vq); @@ -10997,6 +11031,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, break; #ifdef CONFIG_SENDFILE +#ifdef TARGET_NR_sendfile case TARGET_NR_sendfile: { off_t *offp = NULL; @@ -11017,6 +11052,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } break; } +#endif #ifdef TARGET_NR_sendfile64 case TARGET_NR_sendfile64: { |