diff -uNr qemu-4.1.1/linux-user/elfload.c qemu-4.1.1.mod/linux-user/elfload.c --- qemu-4.1.1/linux-user/elfload.c 2019-11-14 20:06:20.000000000 +0200 +++ qemu-4.1.1.mod/linux-user/elfload.c 2019-12-17 16:48:45.801491837 +0200 @@ -2048,7 +2048,7 @@ bool fixed) { /* In order to use host shmat, we must be able to honor SHMLBA. */ - unsigned long align = MAX(SHMLBA, qemu_host_page_size); + unsigned long align = MAX(/* SHMLBA */ getpagesize(), qemu_host_page_size); unsigned long current_start, aligned_start; int flags; diff -uNr qemu-4.1.1/linux-user/syscall.c qemu-4.1.1.mod/linux-user/syscall.c --- qemu-4.1.1/linux-user/syscall.c 2019-12-17 16:46:58.733983513 +0200 +++ qemu-4.1.1.mod/linux-user/syscall.c 2019-12-17 16:48:07.277308780 +0200 @@ -43,7 +43,7 @@ #include #include #include -#include +#include #include #include #include @@ -73,12 +73,17 @@ #endif #define termios host_termios +#define termios2 host_termios2 +#define ktermios host_ktermios #define winsize host_winsize #define termio host_termio #define sgttyb host_sgttyb /* same as target */ #define tchars host_tchars /* same as target */ #define ltchars host_ltchars /* same as target */ +#undef __ASM_GENERIC_TERMBITS_H +#include + #include #include #include @@ -245,6 +250,59 @@ #define __NR__llseek __NR_lseek #endif +_syscall0(int, vhangup) +#ifdef __NR_msgctl +_syscall3(int, msgctl, int, msqid, int, cmd, struct msqid_ds *, buf) +#else +static int +msgctl (int msqid, int cmd, struct msqid_ds *buf) +{ + return syscall (__NR_ipc, IPCOP_msgctl, msqid, cmd | 0x100, 0, buf); +} +#endif + +#ifdef __NR_semget +_syscall3(int, semget, key_t, key, int, nsems, int, semflg) +#else +static int +semget (key_t key, int nsems, int semflg) +{ + return syscall (__NR_ipc, IPCOP_semget, key, nsems, semflg, NULL); +} +#endif + +_syscall2(int, setdomainname, const char *, name, size_t, len) +#ifdef __NR_msgget +_syscall2(int, msgget, key_t, key, int, msgflg) +#else +static int +msgget (key_t key, int msgflg) +{ + return syscall(__NR_ipc, 5, IPCOP_msgget, key, msgflg, 0, NULL); +} +#endif + +#ifdef _NSIG_WORDS +static int sigorset(sigset_t *dest, const sigset_t *a, const sigset_t *b) +{ + int i; + if (!dest || !a || !b) + return -1; + for (i = 0; i < _NSIG_WORDS; i++) + dest->sig[i] = a->sig[i] | b->sig[i]; + return 0; +} +#else +static int sigorset(sigset_t *dest, const sigset_t *a, const sigset_t *b) +{ + int i; + if (!dest || !a || !b) + return -1; + *dest = *a | *b; + return 0; +} +#endif + /* Newer kernel ports have llseek() instead of _llseek() */ #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) #define TARGET_NR__llseek TARGET_NR_llseek @@ -794,6 +852,9 @@ size_t, len, unsigned, prio, const struct timespec *, timeout) safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, size_t, len, unsigned *, prio, const struct timespec *, timeout) +_syscall1(int, mq_unlink, const char *, name) +_syscall4(__kernel_mqd_t, mq_open, const char *, name, int, oflag, mode_t, mode, + struct mq_attr *, attr) #endif /* We do ioctl like this rather than via safe_syscall3 to preserve the * "third argument might be integer or pointer or not present" behaviour of @@ -1233,7 +1294,7 @@ } #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) -#include +#include static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, abi_ulong target_mq_attr_addr) @@ -3373,6 +3434,8 @@ return 0; } +#define semid_ds __kernel_legacy_semid_ds + static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, abi_ulong target_addr) { @@ -3452,6 +3515,16 @@ abi_ulong __buf; }; +#ifdef __NR_semctl +_syscall4(int, semctl, int, semid, int, semnum, int, cmd, union semun, arg4) +#else +static int semctl(int semid, int semnum, int cmd, union semun arg4) +{ + return syscall(__NR_ipc, IPCOP_semctl, semid, semnum, cmd | 0x100, + arg4.__buf); +} +#endif + static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, abi_ulong target_addr) { @@ -3582,7 +3655,7 @@ case GETPID: case GETNCNT: case GETZCNT: - ret = get_errno(semctl(semid, semnum, cmd, NULL)); + ret = get_errno(semctl(semid, semnum, cmd, (union semun) {.buf = NULL})); break; } @@ -3674,7 +3747,7 @@ host_md->msg_stime = tswapal(target_md->msg_stime); host_md->msg_rtime = tswapal(target_md->msg_rtime); host_md->msg_ctime = tswapal(target_md->msg_ctime); - host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); + host_md->msg_cbytes = tswapal(target_md->__msg_cbytes); host_md->msg_qnum = tswapal(target_md->msg_qnum); host_md->msg_qbytes = tswapal(target_md->msg_qbytes); host_md->msg_lspid = tswapal(target_md->msg_lspid); @@ -3695,7 +3768,7 @@ target_md->msg_stime = tswapal(host_md->msg_stime); target_md->msg_rtime = tswapal(host_md->msg_rtime); target_md->msg_ctime = tswapal(host_md->msg_ctime); - target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); + target_md->__msg_cbytes = tswapal(host_md->msg_cbytes); target_md->msg_qnum = tswapal(host_md->msg_qnum); target_md->msg_qbytes = tswapal(host_md->msg_qbytes); target_md->msg_lspid = tswapal(host_md->msg_lspid); @@ -4042,7 +4115,7 @@ abi_ulong mmap_start; /* In order to use the host shmat, we need to honor host SHMLBA. */ - mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba)); + mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(/* SHMLBA */ getpagesize(), shmlba)); if (mmap_start == -1) { errno = ENOMEM; @@ -5018,6 +5091,9 @@ } #endif +#undef winsize +#undef termio + static IOCTLEntry ioctl_entries[] = { #define IOCTL(cmd, access, ...) \ { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, @@ -7651,7 +7727,7 @@ unlock_user(p, arg1, 0); return ret; #endif -#ifdef TARGET_NR_stime /* not on alpha */ +#if 0 //def TARGET_NR_stime /* not on alpha */ case TARGET_NR_stime: { time_t host_time; @@ -7713,7 +7789,7 @@ } return ret; #endif -#if defined(TARGET_NR_futimesat) +#if 0 && defined(TARGET_NR_futimesat) case TARGET_NR_futimesat: { struct timeval *tvp, tv[2]; @@ -11415,7 +11491,7 @@ /* Not implemented for now... */ /* case TARGET_NR_mq_notify: */ /* break; */ - +#if 0 case TARGET_NR_mq_getsetattr: { struct mq_attr posix_mq_attr_in, posix_mq_attr_out; @@ -11433,6 +11509,7 @@ } return ret; #endif +#endif #ifdef CONFIG_SPLICE #ifdef TARGET_NR_tee