diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/ppc/signal.c | 28 | ||||
| -rw-r--r-- | linux-user/syscall.c | 61 |
2 files changed, 73 insertions, 16 deletions
diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c index 2ae120a2bc..619a56950d 100644 --- a/linux-user/ppc/signal.c +++ b/linux-user/ppc/signal.c @@ -258,8 +258,8 @@ static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame) /* Save Altivec registers if necessary. */ if (env->insns_flags & PPC_ALTIVEC) { uint32_t *vrsave; - for (i = 0; i < ARRAY_SIZE(env->avr); i++) { - ppc_avr_t *avr = &env->avr[i]; + for (i = 0; i < 32; i++) { + ppc_avr_t *avr = cpu_avr_ptr(env, i); ppc_avr_t *vreg = (ppc_avr_t *)&frame->mc_vregs.altivec[i]; __put_user(avr->u64[PPC_VEC_HI], &vreg->u64[0]); @@ -281,15 +281,17 @@ static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame) /* Save VSX second halves */ if (env->insns_flags2 & PPC2_VSX) { uint64_t *vsregs = (uint64_t *)&frame->mc_vregs.altivec[34]; - for (i = 0; i < ARRAY_SIZE(env->vsr); i++) { - __put_user(env->vsr[i], &vsregs[i]); + for (i = 0; i < 32; i++) { + uint64_t *vsrl = cpu_vsrl_ptr(env, i); + __put_user(*vsrl, &vsregs[i]); } } /* Save floating point registers. */ if (env->insns_flags & PPC_FLOAT) { - for (i = 0; i < ARRAY_SIZE(env->fpr); i++) { - __put_user(env->fpr[i], &frame->mc_fregs[i]); + for (i = 0; i < 32; i++) { + uint64_t *fpr = cpu_fpr_ptr(env, i); + __put_user(*fpr, &frame->mc_fregs[i]); } __put_user((uint64_t) env->fpscr, &frame->mc_fregs[32]); } @@ -373,8 +375,8 @@ static void restore_user_regs(CPUPPCState *env, #else v_regs = (ppc_avr_t *)frame->mc_vregs.altivec; #endif - for (i = 0; i < ARRAY_SIZE(env->avr); i++) { - ppc_avr_t *avr = &env->avr[i]; + for (i = 0; i < 32; i++) { + ppc_avr_t *avr = cpu_avr_ptr(env, i); ppc_avr_t *vreg = &v_regs[i]; __get_user(avr->u64[PPC_VEC_HI], &vreg->u64[0]); @@ -393,16 +395,18 @@ static void restore_user_regs(CPUPPCState *env, /* Restore VSX second halves */ if (env->insns_flags2 & PPC2_VSX) { uint64_t *vsregs = (uint64_t *)&frame->mc_vregs.altivec[34]; - for (i = 0; i < ARRAY_SIZE(env->vsr); i++) { - __get_user(env->vsr[i], &vsregs[i]); + for (i = 0; i < 32; i++) { + uint64_t *vsrl = cpu_vsrl_ptr(env, i); + __get_user(*vsrl, &vsregs[i]); } } /* Restore floating point registers. */ if (env->insns_flags & PPC_FLOAT) { uint64_t fpscr; - for (i = 0; i < ARRAY_SIZE(env->fpr); i++) { - __get_user(env->fpr[i], &frame->mc_fregs[i]); + for (i = 0; i < 32; i++) { + uint64_t *fpr = cpu_fpr_ptr(env, i); + __get_user(*fpr, &frame->mc_fregs[i]); } __get_user(fpscr, &frame->mc_fregs[32]); env->fpscr = (uint32_t) fpscr; diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 280137da8c..d6605b8b50 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -2352,6 +2352,45 @@ static abi_long do_getsockopt(int sockfd, int level, int optname, break; } break; + case SOL_IPV6: + switch (optname) { + case IPV6_MTU_DISCOVER: + case IPV6_MTU: + case IPV6_V6ONLY: + case IPV6_RECVPKTINFO: + case IPV6_UNICAST_HOPS: + case IPV6_MULTICAST_HOPS: + case IPV6_MULTICAST_LOOP: + case IPV6_RECVERR: + case IPV6_RECVHOPLIMIT: + case IPV6_2292HOPLIMIT: + case IPV6_CHECKSUM: + if (get_user_u32(len, optlen)) + return -TARGET_EFAULT; + if (len < 0) + return -TARGET_EINVAL; + lv = sizeof(lv); + ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); + if (ret < 0) + return ret; + if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { + len = 1; + if (put_user_u32(len, optlen) + || put_user_u8(val, optval_addr)) + return -TARGET_EFAULT; + } else { + if (len > sizeof(int)) + len = sizeof(int); + if (put_user_u32(len, optlen) + || put_user_u32(val, optval_addr)) + return -TARGET_EFAULT; + } + break; + default: + ret = -TARGET_ENOPROTOOPT; + break; + } + break; default: unimplemented: gemu_log("getsockopt level=%d optname=%d not yet supported\n", @@ -9677,8 +9716,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg4 = arg5; arg5 = arg6; } - if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) - return -TARGET_EFAULT; + if (arg2 == 0 && arg3 == 0) { + /* Special-case NULL buffer and zero length, which should succeed */ + p = 0; + } else { + p = lock_user(VERIFY_WRITE, arg2, arg3, 0); + if (!p) { + return -TARGET_EFAULT; + } + } ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, ret); return ret; @@ -9687,8 +9733,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, arg4 = arg5; arg5 = arg6; } - if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) - return -TARGET_EFAULT; + if (arg2 == 0 && arg3 == 0) { + /* Special-case NULL buffer and zero length, which should succeed */ + p = 0; + } else { + p = lock_user(VERIFY_READ, arg2, arg3, 1); + if (!p) { + return -TARGET_EFAULT; + } + } ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, 0); return ret; |