diff options
| -rw-r--r-- | docs/usb2.txt | 4 | ||||
| -rw-r--r-- | hw/display/Makefile.objs | 4 | ||||
| -rw-r--r-- | hw/display/qxl.c | 1 | ||||
| -rw-r--r-- | hw/display/qxl.h | 1 | ||||
| -rw-r--r-- | hw/display/vga-isa-mm.c | 60 | ||||
| -rw-r--r-- | hw/pci-host/bonito.c | 145 | ||||
| -rw-r--r-- | hw/usb/dev-mtp.c | 93 | ||||
| -rw-r--r-- | hw/usb/hcd-ohci.c | 3 | ||||
| -rw-r--r-- | linux-user/syscall.c | 1609 |
9 files changed, 751 insertions, 1169 deletions
diff --git a/docs/usb2.txt b/docs/usb2.txt index f63c8d9465..172614d3a7 100644 --- a/docs/usb2.txt +++ b/docs/usb2.txt @@ -94,8 +94,8 @@ physical port addressing First you can (for all USB devices) specify the physical port where the device will show up in the guest. This can be done using the -"port" property. UHCI has two root ports (1,2). EHCI has four root -ports (1-4), the emulated (1.1) USB hub has eight ports. +"port" property. UHCI has two root ports (1,2). EHCI has six root +ports (1-6), the emulated (1.1) USB hub has eight ports. Plugging a tablet into UHCI port 1 works like this: diff --git a/hw/display/Makefile.objs b/hw/display/Makefile.objs index fb8408c6d0..a606fb7404 100644 --- a/hw/display/Makefile.objs +++ b/hw/display/Makefile.objs @@ -1,5 +1,5 @@ -common-obj-y += ramfb.o -common-obj-y += ramfb-standalone.o +common-obj-$(CONFIG_FW_CFG_DMA) += ramfb.o +common-obj-$(CONFIG_FW_CFG_DMA) += ramfb-standalone.o common-obj-$(CONFIG_ADS7846) += ads7846.o common-obj-$(CONFIG_VGA_CIRRUS) += cirrus_vga.o diff --git a/hw/display/qxl.c b/hw/display/qxl.c index 830c392c53..8e9135d9c6 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -2057,7 +2057,6 @@ static void qxl_realize_common(PCIQXLDevice *qxl, Error **errp) qemu_spice_display_init_common(&qxl->ssd); qxl->mode = QXL_MODE_UNDEFINED; - qxl->generation = 1; qxl->num_memslots = NUM_MEMSLOTS; qemu_mutex_init(&qxl->track_lock); qemu_mutex_init(&qxl->async_lock); diff --git a/hw/display/qxl.h b/hw/display/qxl.h index 089696ef62..6eacba080d 100644 --- a/hw/display/qxl.h +++ b/hw/display/qxl.h @@ -43,7 +43,6 @@ typedef struct PCIQXLDevice { enum qxl_mode mode; uint32_t cmdflags; - int generation; uint32_t revision; int32_t num_memslots; diff --git a/hw/display/vga-isa-mm.c b/hw/display/vga-isa-mm.c index 232216cad0..215e649719 100644 --- a/hw/display/vga-isa-mm.c +++ b/hw/display/vga-isa-mm.c @@ -36,64 +36,30 @@ typedef struct ISAVGAMMState { } ISAVGAMMState; /* Memory mapped interface */ -static uint32_t vga_mm_readb (void *opaque, hwaddr addr) +static uint64_t vga_mm_read(void *opaque, hwaddr addr, unsigned size) { ISAVGAMMState *s = opaque; - return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xff; + return vga_ioport_read(&s->vga, addr >> s->it_shift) & + MAKE_64BIT_MASK(0, size * 8); } -static void vga_mm_writeb (void *opaque, - hwaddr addr, uint32_t value) +static void vga_mm_write(void *opaque, hwaddr addr, uint64_t value, + unsigned size) { ISAVGAMMState *s = opaque; - vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xff); -} - -static uint32_t vga_mm_readw (void *opaque, hwaddr addr) -{ - ISAVGAMMState *s = opaque; - - return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xffff; -} - -static void vga_mm_writew (void *opaque, - hwaddr addr, uint32_t value) -{ - ISAVGAMMState *s = opaque; - - vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xffff); -} - -static uint32_t vga_mm_readl (void *opaque, hwaddr addr) -{ - ISAVGAMMState *s = opaque; - - return vga_ioport_read(&s->vga, addr >> s->it_shift); -} - -static void vga_mm_writel (void *opaque, - hwaddr addr, uint32_t value) -{ - ISAVGAMMState *s = opaque; - - vga_ioport_write(&s->vga, addr >> s->it_shift, value); + vga_ioport_write(&s->vga, addr >> s->it_shift, + value & MAKE_64BIT_MASK(0, size * 8)); } static const MemoryRegionOps vga_mm_ctrl_ops = { - .old_mmio = { - .read = { - vga_mm_readb, - vga_mm_readw, - vga_mm_readl, - }, - .write = { - vga_mm_writeb, - vga_mm_writew, - vga_mm_writel, - }, - }, + .read = vga_mm_read, + .write = vga_mm_write, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 4, .endianness = DEVICE_NATIVE_ENDIAN, }; diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c index 2d25e9bf7c..9868e2eccc 100644 --- a/hw/pci-host/bonito.c +++ b/hw/pci-host/bonito.c @@ -460,34 +460,8 @@ static uint32_t bonito_sbridge_pciaddr(void *opaque, hwaddr addr) return pciaddr; } -static void bonito_spciconf_writeb(void *opaque, hwaddr addr, - uint32_t val) -{ - PCIBonitoState *s = opaque; - PCIDevice *d = PCI_DEVICE(s); - PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); - uint32_t pciaddr; - uint16_t status; - - DPRINTF("bonito_spciconf_writeb "TARGET_FMT_plx" val %x\n", addr, val); - pciaddr = bonito_sbridge_pciaddr(s, addr); - - if (pciaddr == 0xffffffff) { - return; - } - - /* set the pci address in s->config_reg */ - phb->config_reg = (pciaddr) | (1u << 31); - pci_data_write(phb->bus, phb->config_reg, val & 0xff, 1); - - /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ - status = pci_get_word(d->config + PCI_STATUS); - status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); - pci_set_word(d->config + PCI_STATUS, status); -} - -static void bonito_spciconf_writew(void *opaque, hwaddr addr, - uint32_t val) +static void bonito_spciconf_write(void *opaque, hwaddr addr, uint64_t val, + unsigned size) { PCIBonitoState *s = opaque; PCIDevice *d = PCI_DEVICE(s); @@ -495,8 +469,8 @@ static void bonito_spciconf_writew(void *opaque, hwaddr addr, uint32_t pciaddr; uint16_t status; - DPRINTF("bonito_spciconf_writew "TARGET_FMT_plx" val %x\n", addr, val); - assert((addr & 0x1) == 0); + DPRINTF("bonito_spciconf_write "TARGET_FMT_plx" size %d val %x\n", + addr, size, val); pciaddr = bonito_sbridge_pciaddr(s, addr); @@ -506,7 +480,7 @@ static void bonito_spciconf_writew(void *opaque, hwaddr addr, /* set the pci address in s->config_reg */ phb->config_reg = (pciaddr) | (1u << 31); - pci_data_write(phb->bus, phb->config_reg, val, 2); + pci_data_write(phb->bus, phb->config_reg, val, size); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(d->config + PCI_STATUS); @@ -514,8 +488,7 @@ static void bonito_spciconf_writew(void *opaque, hwaddr addr, pci_set_word(d->config + PCI_STATUS, status); } -static void bonito_spciconf_writel(void *opaque, hwaddr addr, - uint32_t val) +static uint64_t bonito_spciconf_read(void *opaque, hwaddr addr, unsigned size) { PCIBonitoState *s = opaque; PCIDevice *d = PCI_DEVICE(s); @@ -523,121 +496,33 @@ static void bonito_spciconf_writel(void *opaque, hwaddr addr, uint32_t pciaddr; uint16_t status; - DPRINTF("bonito_spciconf_writel "TARGET_FMT_plx" val %x\n", addr, val); - assert((addr & 0x3) == 0); + DPRINTF("bonito_spciconf_read "TARGET_FMT_plx" size %d\n", addr, size); pciaddr = bonito_sbridge_pciaddr(s, addr); if (pciaddr == 0xffffffff) { - return; + return MAKE_64BIT_MASK(0, size * 8); } /* set the pci address in s->config_reg */ phb->config_reg = (pciaddr) | (1u << 31); - pci_data_write(phb->bus, phb->config_reg, val, 4); /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ status = pci_get_word(d->config + PCI_STATUS); status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); pci_set_word(d->config + PCI_STATUS, status); -} - -static uint32_t bonito_spciconf_readb(void *opaque, hwaddr addr) -{ - PCIBonitoState *s = opaque; - PCIDevice *d = PCI_DEVICE(s); - PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); - uint32_t pciaddr; - uint16_t status; - - DPRINTF("bonito_spciconf_readb "TARGET_FMT_plx"\n", addr); - pciaddr = bonito_sbridge_pciaddr(s, addr); - if (pciaddr == 0xffffffff) { - return 0xff; - } - - /* set the pci address in s->config_reg */ - phb->config_reg = (pciaddr) | (1u << 31); - - /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ - status = pci_get_word(d->config + PCI_STATUS); - status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); - pci_set_word(d->config + PCI_STATUS, status); - - return pci_data_read(phb->bus, phb->config_reg, 1); -} - -static uint32_t bonito_spciconf_readw(void *opaque, hwaddr addr) -{ - PCIBonitoState *s = opaque; - PCIDevice *d = PCI_DEVICE(s); - PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); - uint32_t pciaddr; - uint16_t status; - - DPRINTF("bonito_spciconf_readw "TARGET_FMT_plx"\n", addr); - assert((addr & 0x1) == 0); - - pciaddr = bonito_sbridge_pciaddr(s, addr); - - if (pciaddr == 0xffffffff) { - return 0xffff; - } - - /* set the pci address in s->config_reg */ - phb->config_reg = (pciaddr) | (1u << 31); - - /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ - status = pci_get_word(d->config + PCI_STATUS); - status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); - pci_set_word(d->config + PCI_STATUS, status); - - return pci_data_read(phb->bus, phb->config_reg, 2); -} - -static uint32_t bonito_spciconf_readl(void *opaque, hwaddr addr) -{ - PCIBonitoState *s = opaque; - PCIDevice *d = PCI_DEVICE(s); - PCIHostState *phb = PCI_HOST_BRIDGE(s->pcihost); - uint32_t pciaddr; - uint16_t status; - - DPRINTF("bonito_spciconf_readl "TARGET_FMT_plx"\n", addr); - assert((addr & 0x3) == 0); - - pciaddr = bonito_sbridge_pciaddr(s, addr); - - if (pciaddr == 0xffffffff) { - return 0xffffffff; - } - - /* set the pci address in s->config_reg */ - phb->config_reg = (pciaddr) | (1u << 31); - - /* clear PCI_STATUS_REC_MASTER_ABORT and PCI_STATUS_REC_TARGET_ABORT */ - status = pci_get_word(d->config + PCI_STATUS); - status &= ~(PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT); - pci_set_word(d->config + PCI_STATUS, status); - - return pci_data_read(phb->bus, phb->config_reg, 4); + return pci_data_read(phb->bus, phb->config_reg, size); } /* south bridge PCI configure space. 0x1fe8 0000 - 0x1fef ffff */ static const MemoryRegionOps bonito_spciconf_ops = { - .old_mmio = { - .read = { - bonito_spciconf_readb, - bonito_spciconf_readw, - bonito_spciconf_readl, - }, - .write = { - bonito_spciconf_writeb, - bonito_spciconf_writew, - bonito_spciconf_writel, - }, - }, + .read = bonito_spciconf_read, + .write = bonito_spciconf_write, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 4, .endianness = DEVICE_NATIVE_ENDIAN, }; diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c index 1ded7ac9a3..3fdc4b0da1 100644 --- a/hw/usb/dev-mtp.c +++ b/hw/usb/dev-mtp.c @@ -82,6 +82,7 @@ enum mtp_code { FMT_ASSOCIATION = 0x3001, /* event codes */ + EVT_CANCEL_TRANSACTION = 0x4001, EVT_OBJ_ADDED = 0x4002, EVT_OBJ_REMOVED = 0x4003, EVT_OBJ_INFO_CHANGED = 0x4007, @@ -146,9 +147,12 @@ struct MTPData { uint32_t trans; uint64_t offset; uint64_t length; - uint32_t alloc; + uint64_t alloc; uint8_t *data; bool first; + /* Used for >4G file sizes */ + bool pending; + uint64_t cached_length; int fd; }; @@ -1551,14 +1555,35 @@ static void usb_mtp_handle_control(USBDevice *dev, USBPacket *p, int length, uint8_t *data) { int ret; + MTPState *s = USB_MTP(dev); + uint16_t *event = (uint16_t *)data; - ret = usb_desc_handle_control(dev, p, request, value, index, length, data); - if (ret >= 0) { - return; + switch (request) { + case ClassInterfaceOutRequest | 0x64: + if (*event == EVT_CANCEL_TRANSACTION) { + g_free(s->result); + s->result = NULL; + usb_mtp_data_free(s->data_in); + s->data_in = NULL; + if (s->write_pending) { + g_free(s->dataset.filename); + s->write_pending = false; + } + usb_mtp_data_free(s->data_out); + s->data_out = NULL; + } else { + p->status = USB_RET_STALL; + } + break; + default: + ret = usb_desc_handle_control(dev, p, request, + value, index, length, data); + if (ret >= 0) { + return; + } } trace_usb_mtp_stall(dev->addr, "unknown control request"); - p->status = USB_RET_STALL; } static void usb_mtp_cancel_packet(USBDevice *dev, USBPacket *p) @@ -1580,13 +1605,31 @@ static void utf16_to_str(uint8_t len, uint16_t *arr, char *name) g_free(wstr); } +/* Wrapper around write, returns 0 on failure */ +static uint64_t write_retry(int fd, void *buf, uint64_t size) +{ + uint64_t bytes_left = size, ret; + + while (bytes_left > 0) { + ret = write(fd, buf, bytes_left); + if ((ret == -1) && (errno != EINTR || errno != EAGAIN || + errno != EWOULDBLOCK)) { + break; + } + bytes_left -= ret; + buf += ret; + } + + return size - bytes_left; +} + static void usb_mtp_write_data(MTPState *s) { MTPData *d = s->data_out; MTPObject *parent = usb_mtp_object_lookup(s, s->dataset.parent_handle); char *path = NULL; - int rc = -1; + uint64_t rc; mode_t mask = 0644; assert(d != NULL); @@ -1603,7 +1646,7 @@ static void usb_mtp_write_data(MTPState *s) d->fd = mkdir(path, mask); goto free; } - if (s->dataset.size < d->length) { + if ((s->dataset.size != 0xFFFFFFFF) && (s->dataset.size < d->length)) { usb_mtp_queue_result(s, RES_STORE_FULL, d->trans, 0, 0, 0, 0); goto done; @@ -1622,8 +1665,8 @@ static void usb_mtp_write_data(MTPState *s) goto success; } - rc = write(d->fd, d->data, s->dataset.size); - if (rc == -1) { + rc = write_retry(d->fd, d->data, s->dataset.size); + if (!rc) { usb_mtp_queue_result(s, RES_STORE_FULL, d->trans, 0, 0, 0, 0); goto done; @@ -1699,6 +1742,7 @@ static void usb_mtp_get_data(MTPState *s, mtp_container *container, MTPData *d = s->data_out; uint64_t dlen; uint32_t data_len = p->iov.size; + uint64_t total_len; if (!d) { usb_mtp_queue_result(s, RES_INVALID_OBJECTINFO, 0, @@ -1707,18 +1751,33 @@ static void usb_mtp_get_data(MTPState *s, mtp_container *container, } if (d->first) { /* Total length of incoming data */ - d->length = cpu_to_le32(container->length) - sizeof(mtp_container); + total_len = cpu_to_le32(container->length) - sizeof(mtp_container); /* Length of data in this packet */ data_len -= sizeof(mtp_container); - usb_mtp_realloc(d, d->length); + usb_mtp_realloc(d, total_len); + d->length += total_len; d->offset = 0; + d->cached_length = total_len; d->first = false; + d->pending = false; + } + + if (d->pending) { + usb_mtp_realloc(d, d->cached_length); + d->length += d->cached_length; + d->pending = false; } if (d->length - d->offset > data_len) { dlen = data_len; } else { dlen = d->length - d->offset; + /* Check for cached data for large files */ + if ((s->dataset.size == 0xFFFFFFFF) && (dlen < p->iov.size)) { + usb_mtp_realloc(d, p->iov.size - dlen); + d->length += p->iov.size - dlen; + dlen = p->iov.size; + } } switch (d->code) { @@ -1738,12 +1797,18 @@ static void usb_mtp_get_data(MTPState *s, mtp_container *container, case CMD_SEND_OBJECT: usb_packet_copy(p, d->data + d->offset, dlen); d->offset += dlen; - if (d->offset == d->length) { + if ((p->iov.size % 64) || !p->iov.size) { + assert((s->dataset.size == 0xFFFFFFFF) || + (s->dataset.size == d->length)); + usb_mtp_write_data(s); usb_mtp_data_free(s->data_out); s->data_out = NULL; return; } + if (d->offset == d->length) { + d->pending = true; + } break; default: p->status = USB_RET_STALL; @@ -1953,7 +2018,7 @@ static void usb_mtp_realize(USBDevice *dev, Error **errp) QTAILQ_INIT(&s->objects); if (s->desc == NULL) { if (s->root == NULL) { - error_setg(errp, "usb-mtp: x-root property must be configured"); + error_setg(errp, "usb-mtp: rootdir property must be configured"); return; } s->desc = strrchr(s->root, '/'); @@ -1982,7 +2047,7 @@ static const VMStateDescription vmstate_usb_mtp = { }; static Property mtp_properties[] = { - DEFINE_PROP_STRING("x-root", MTPState, root), + DEFINE_PROP_STRING("rootdir", MTPState, root), DEFINE_PROP_STRING("desc", MTPState, desc), DEFINE_PROP_BOOL("readonly", MTPState, readonly, true), DEFINE_PROP_END_OF_LIST(), diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index d4c0293db5..98da5f0f04 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -1156,6 +1156,9 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed) OHCI_SET_BM(td.flags, TD_EC, 3); break; } + /* An error occured so we have to clear the interrupt counter. See + * spec at 6.4.4 on page 104 */ + ohci->done_count = 0; } ed->head |= OHCI_ED_H; } diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 202aa777ad..02fba7606d 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -163,7 +163,6 @@ * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) */ -//#define DEBUG /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted * once. This exercises the codepaths for restart. */ @@ -5884,9 +5883,6 @@ static abi_long do_ioctl(int fd, int cmd, abi_long arg) ie++; } arg_type = ie->arg_type; -#if defined(DEBUG) - gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); -#endif if (ie->do_ioctl) { return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); } else if (!ie->host_cmd) { @@ -8096,13 +8092,15 @@ static int host_to_target_cpu_mask(const unsigned long *host_mask, return 0; } -/* do_syscall() should always have a single exit point at the end so - that actions, such as logging of syscall results, can be performed. - All errnos that do_syscall() returns must be -TARGET_<errcode>. */ -abi_long do_syscall(void *cpu_env, int num, abi_long arg1, - abi_long arg2, abi_long arg3, abi_long arg4, - abi_long arg5, abi_long arg6, abi_long arg7, - abi_long arg8) +/* This is an internal helper for do_syscall so that it is easier + * to have a single return point, so that actions, such as logging + * of syscall results, can be performed. + * All errnos that do_syscall() returns must be -TARGET_<errcode>. + */ +static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4, + abi_long arg5, abi_long arg6, abi_long arg7, + abi_long arg8) { CPUState *cpu = ENV_GET_CPU(cpu_env); abi_long ret; @@ -8117,28 +8115,6 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #endif void *p; -#if defined(DEBUG_ERESTARTSYS) - /* Debug-only code for exercising the syscall-restart code paths - * in the per-architecture cpu main loops: restart every syscall - * the guest makes once before letting it through. - */ - { - static int flag; - - flag = !flag; - if (flag) { - return -TARGET_ERESTARTSYS; - } - } -#endif - -#ifdef DEBUG - gemu_log("syscall %d", num); -#endif - trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8); - if(do_strace) - print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); - switch(num) { case TARGET_NR_exit: /* In old applications this may be used to implement _exit(2). @@ -8147,8 +8123,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, Do thread termination if we have more then one thread. */ if (block_signals()) { - ret = -TARGET_ERESTARTSYS; - break; + return -TARGET_ERESTARTSYS; } cpu_list_lock(); @@ -8177,14 +8152,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, cpu_list_unlock(); preexit_cleanup(cpu_env, arg1); _exit(arg1); - ret = 0; /* avoid warning */ - break; + return 0; /* avoid warning */ case TARGET_NR_read: - if (arg3 == 0) - ret = 0; - else { + if (arg3 == 0) { + return 0; + } else { if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(safe_read(arg1, p, arg3)); if (ret >= 0 && fd_trans_host_to_target_data(arg1)) { @@ -8192,10 +8166,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user(p, arg2, ret); } - break; + return ret; case TARGET_NR_write: if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) - goto efault; + return -TARGET_EFAULT; if (fd_trans_target_to_host_data(arg1)) { void *copy = g_malloc(arg3); memcpy(copy, p, arg3); @@ -8208,49 +8182,48 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_write(arg1, p, arg3)); } unlock_user(p, arg2, 0); - break; + return ret; + #ifdef TARGET_NR_open case TARGET_NR_open: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, target_to_host_bitmask(arg2, fcntl_flags_tbl), arg3)); fd_trans_unregister(ret); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_openat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(do_openat(cpu_env, arg1, p, target_to_host_bitmask(arg3, fcntl_flags_tbl), arg4)); fd_trans_unregister(ret); unlock_user(p, arg2, 0); - break; + return ret; #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) case TARGET_NR_name_to_handle_at: ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); - break; + return ret; #endif #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) case TARGET_NR_open_by_handle_at: ret = do_open_by_handle_at(arg1, arg2, arg3); fd_trans_unregister(ret); - break; + return ret; #endif case TARGET_NR_close: fd_trans_unregister(arg1); - ret = get_errno(close(arg1)); - break; + return get_errno(close(arg1)); + case TARGET_NR_brk: - ret = do_brk(arg1); - break; + return do_brk(arg1); #ifdef TARGET_NR_fork case TARGET_NR_fork: - ret = get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); - break; + return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); #endif #ifdef TARGET_NR_waitpid case TARGET_NR_waitpid: @@ -8259,9 +8232,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); if (!is_error(ret) && arg2 && ret && put_user_s32(host_to_target_waitstatus(status), arg2)) - goto efault; + return -TARGET_EFAULT; } - break; + return ret; #endif #ifdef TARGET_NR_waitid case TARGET_NR_waitid: @@ -8271,21 +8244,21 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); if (!is_error(ret) && arg3 && info.si_pid != 0) { if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_siginfo(p, &info); unlock_user(p, arg3, sizeof(target_siginfo_t)); } } - break; + return ret; #endif #ifdef TARGET_NR_creat /* not on alpha */ case TARGET_NR_creat: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(creat(p, arg2)); fd_trans_unregister(ret); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_link case TARGET_NR_link: @@ -8300,14 +8273,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_linkat) case TARGET_NR_linkat: { void * p2 = NULL; if (!arg2 || !arg4) - goto efault; + return -TARGET_EFAULT; p = lock_user_string(arg2); p2 = lock_user_string(arg4); if (!p || !p2) @@ -8317,23 +8290,23 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg2, 0); unlock_user(p2, arg4, 0); } - break; + return ret; #endif #ifdef TARGET_NR_unlink case TARGET_NR_unlink: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(unlink(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_unlinkat) case TARGET_NR_unlinkat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(unlinkat(arg1, p, arg3)); unlock_user(p, arg2, 0); - break; + return ret; #endif case TARGET_NR_execve: { @@ -8350,7 +8323,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, guest_argp = arg2; for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { if (get_user_ual(addr, gp)) - goto efault; + return -TARGET_EFAULT; if (!addr) break; argc++; @@ -8359,7 +8332,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, guest_envp = arg3; for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { if (get_user_ual(addr, gp)) - goto efault; + return -TARGET_EFAULT; if (!addr) break; envc++; @@ -8431,13 +8404,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, g_free(argp); g_free(envp); } - break; + return ret; case TARGET_NR_chdir: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chdir(p)); unlock_user(p, arg1, 0); - break; + return ret; #ifdef TARGET_NR_time case TARGET_NR_time: { @@ -8446,58 +8419,47 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret) && arg1 && put_user_sal(host_time, arg1)) - goto efault; + return -TARGET_EFAULT; } - break; + return ret; #endif #ifdef TARGET_NR_mknod case TARGET_NR_mknod: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mknod(p, arg2, arg3)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_mknodat) case TARGET_NR_mknodat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mknodat(arg1, p, arg3, arg4)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_chmod case TARGET_NR_chmod: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chmod(p, arg2)); unlock_user(p, arg1, 0); - break; -#endif -#ifdef TARGET_NR_break - case TARGET_NR_break: - goto unimplemented; -#endif -#ifdef TARGET_NR_oldstat - case TARGET_NR_oldstat: - goto unimplemented; + return ret; #endif #ifdef TARGET_NR_lseek case TARGET_NR_lseek: - ret = get_errno(lseek(arg1, arg2, arg3)); - break; + return get_errno(lseek(arg1, arg2, arg3)); #endif #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) /* Alpha specific */ case TARGET_NR_getxpid: ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); - ret = get_errno(getpid()); - break; + return get_errno(getpid()); #endif #ifdef TARGET_NR_getpid case TARGET_NR_getpid: - ret = get_errno(getpid()); - break; + return get_errno(getpid()); #endif case TARGET_NR_mount: { @@ -8507,7 +8469,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg1) { p = lock_user_string(arg1); if (!p) { - goto efault; + return -TARGET_EFAULT; } } else { p = NULL; @@ -8518,7 +8480,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg1) { unlock_user(p, arg1, 0); } - goto efault; + return -TARGET_EFAULT; } if (arg3) { @@ -8528,7 +8490,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); } unlock_user(p2, arg2, 0); - goto efault; + return -TARGET_EFAULT; } } else { p3 = NULL; @@ -8553,43 +8515,34 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p3, arg3, 0); } } - break; + return ret; #ifdef TARGET_NR_umount case TARGET_NR_umount: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(umount(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_stime /* not on alpha */ case TARGET_NR_stime: { time_t host_time; if (get_user_sal(host_time, arg1)) - goto efault; - ret = get_errno(stime(&host_time)); + return -TARGET_EFAULT; + return get_errno(stime(&host_time)); } - break; #endif - case TARGET_NR_ptrace: - goto unimplemented; #ifdef TARGET_NR_alarm /* not on alpha */ case TARGET_NR_alarm: - ret = alarm(arg1); - break; -#endif -#ifdef TARGET_NR_oldfstat - case TARGET_NR_oldfstat: - goto unimplemented; + return alarm(arg1); #endif #ifdef TARGET_NR_pause /* not on alpha */ case TARGET_NR_pause: if (!block_signals()) { sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); } - ret = -TARGET_EINTR; - break; + return -TARGET_EINTR; #endif #ifdef TARGET_NR_utime case TARGET_NR_utime: @@ -8598,7 +8551,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_utimbuf *target_tbuf; if (arg2) { if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) - goto efault; + return -TARGET_EFAULT; tbuf.actime = tswapal(target_tbuf->actime); tbuf.modtime = tswapal(target_tbuf->modtime); unlock_user_struct(target_tbuf, arg2, 0); @@ -8607,11 +8560,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, host_tbuf = NULL; } if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(utime(p, host_tbuf)); unlock_user(p, arg1, 0); } - break; + return ret; #endif #ifdef TARGET_NR_utimes case TARGET_NR_utimes: @@ -8621,17 +8574,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (copy_from_user_timeval(&tv[0], arg2) || copy_from_user_timeval(&tv[1], arg2 + sizeof(struct target_timeval))) - goto efault; + return -TARGET_EFAULT; tvp = tv; } else { tvp = NULL; } if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(utimes(p, tvp)); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_futimesat) case TARGET_NR_futimesat: @@ -8641,63 +8594,50 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (copy_from_user_timeval(&tv[0], arg3) || copy_from_user_timeval(&tv[1], arg3 + sizeof(struct target_timeval))) - goto efault; + return -TARGET_EFAULT; tvp = tv; } else { tvp = NULL; } - if (!(p = lock_user_string(arg2))) - goto efault; + if (!(p = lock_user_string(arg2))) { + return -TARGET_EFAULT; + } ret = get_errno(futimesat(arg1, path(p), tvp)); unlock_user(p, arg2, 0); } - break; -#endif -#ifdef TARGET_NR_stty - case TARGET_NR_stty: - goto unimplemented; -#endif -#ifdef TARGET_NR_gtty - case TARGET_NR_gtty: - goto unimplemented; + return ret; #endif #ifdef TARGET_NR_access case TARGET_NR_access: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(access(path(p), arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) case TARGET_NR_faccessat: - if (!(p = lock_user_string(arg2))) - goto efault; + if (!(p = lock_user_string(arg2))) { + return -TARGET_EFAULT; + } ret = get_errno(faccessat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_nice /* not on alpha */ case TARGET_NR_nice: - ret = get_errno(nice(arg1)); - break; -#endif -#ifdef TARGET_NR_ftime - case TARGET_NR_ftime: - goto unimplemented; + return get_errno(nice(arg1)); #endif case TARGET_NR_sync: sync(); - ret = 0; - break; + return 0; #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) case TARGET_NR_syncfs: - ret = get_errno(syncfs(arg1)); - break; + return get_errno(syncfs(arg1)); #endif case TARGET_NR_kill: - ret = get_errno(safe_kill(arg1, target_to_host_signal(arg2))); - break; + return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); #ifdef TARGET_NR_rename case TARGET_NR_rename: { @@ -8711,7 +8651,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_renameat) case TARGET_NR_renameat: @@ -8726,7 +8666,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg4, 0); unlock_user(p, arg2, 0); } - break; + return ret; #endif #if defined(TARGET_NR_renameat2) case TARGET_NR_renameat2: @@ -8742,48 +8682,46 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg4, 0); unlock_user(p, arg2, 0); } - break; + return ret; #endif #ifdef TARGET_NR_mkdir case TARGET_NR_mkdir: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mkdir(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #if defined(TARGET_NR_mkdirat) case TARGET_NR_mkdirat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(mkdirat(arg1, p, arg3)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_rmdir case TARGET_NR_rmdir: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(rmdir(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_dup: ret = get_errno(dup(arg1)); if (ret >= 0) { fd_trans_dup(arg1, ret); } - break; + return ret; #ifdef TARGET_NR_pipe case TARGET_NR_pipe: - ret = do_pipe(cpu_env, arg1, 0, 0); - break; + return do_pipe(cpu_env, arg1, 0, 0); #endif #ifdef TARGET_NR_pipe2 case TARGET_NR_pipe2: - ret = do_pipe(cpu_env, arg1, - target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); - break; + return do_pipe(cpu_env, arg1, + target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); #endif case TARGET_NR_times: { @@ -8793,7 +8731,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg1) { tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); if (!tmsp) - goto efault; + return -TARGET_EFAULT; tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); @@ -8802,80 +8740,49 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) ret = host_to_target_clock_t(ret); } - break; -#ifdef TARGET_NR_prof - case TARGET_NR_prof: - goto unimplemented; -#endif -#ifdef TARGET_NR_signal - case TARGET_NR_signal: - goto unimplemented; -#endif + return ret; case TARGET_NR_acct: if (arg1 == 0) { ret = get_errno(acct(NULL)); } else { - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(acct(path(p))); unlock_user(p, arg1, 0); } - break; + return ret; #ifdef TARGET_NR_umount2 case TARGET_NR_umount2: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(umount2(p, arg2)); unlock_user(p, arg1, 0); - break; -#endif -#ifdef TARGET_NR_lock - case TARGET_NR_lock: - goto unimplemented; + return ret; #endif case TARGET_NR_ioctl: - ret = do_ioctl(arg1, arg2, arg3); - break; + return do_ioctl(arg1, arg2, arg3); #ifdef TARGET_NR_fcntl case TARGET_NR_fcntl: - ret = do_fcntl(arg1, arg2, arg3); - break; -#endif -#ifdef TARGET_NR_mpx - case TARGET_NR_mpx: - goto unimplemented; + return do_fcntl(arg1, arg2, arg3); #endif case TARGET_NR_setpgid: - ret = get_errno(setpgid(arg1, arg2)); - break; -#ifdef TARGET_NR_ulimit - case TARGET_NR_ulimit: - goto unimplemented; -#endif -#ifdef TARGET_NR_oldolduname - case TARGET_NR_oldolduname: - goto unimplemented; -#endif + return get_errno(setpgid(arg1, arg2)); case TARGET_NR_umask: - ret = get_errno(umask(arg1)); - break; + return get_errno(umask(arg1)); case TARGET_NR_chroot: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chroot(p)); unlock_user(p, arg1, 0); - break; -#ifdef TARGET_NR_ustat - case TARGET_NR_ustat: - goto unimplemented; -#endif + return ret; #ifdef TARGET_NR_dup2 case TARGET_NR_dup2: ret = get_errno(dup2(arg1, arg2)); if (ret >= 0) { fd_trans_dup(arg1, arg2); } - break; + return ret; #endif #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) case TARGET_NR_dup3: @@ -8890,22 +8797,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_dup(arg1, arg2); } - break; + return ret; } #endif #ifdef TARGET_NR_getppid /* not on alpha */ case TARGET_NR_getppid: - ret = get_errno(getppid()); - break; + return get_errno(getppid()); #endif #ifdef TARGET_NR_getpgrp case TARGET_NR_getpgrp: - ret = get_errno(getpgrp()); - break; + return get_errno(getpgrp()); #endif case TARGET_NR_setsid: - ret = get_errno(setsid()); - break; + return get_errno(setsid()); #ifdef TARGET_NR_sigaction case TARGET_NR_sigaction: { @@ -8914,7 +8818,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_old_sigaction *old_act; if (arg2) { if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask); act.sa_flags = old_act->sa_flags; @@ -8925,7 +8829,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(do_sigaction(arg1, pact, &oact)); if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; old_act->_sa_handler = oact._sa_handler; old_act->sa_mask = oact.sa_mask.sig[0]; old_act->sa_flags = oact.sa_flags; @@ -8936,7 +8840,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg2) { if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); act.sa_flags = old_act->sa_flags; @@ -8950,7 +8854,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; old_act->_sa_handler = oact._sa_handler; old_act->sa_flags = oact.sa_flags; old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; @@ -8964,7 +8868,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_sigaction act, oact, *pact; if (arg2) { if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask); act.sa_flags = old_act->sa_flags; @@ -8980,7 +8884,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(do_sigaction(arg1, pact, &oact)); if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; old_act->_sa_handler = oact._sa_handler; old_act->sa_mask = oact.sa_mask.sig[0]; old_act->sa_flags = oact.sa_flags; @@ -8989,7 +8893,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } #endif } - break; + return ret; #endif case TARGET_NR_rt_sigaction: { @@ -9006,12 +8910,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_sigaction act, oact, *pact = 0; if (arg4 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (arg2) { if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) - goto efault; + return -TARGET_EFAULT; act._sa_handler = rt_act->_sa_handler; act.sa_mask = rt_act->sa_mask; act.sa_flags = rt_act->sa_flags; @@ -9022,7 +8925,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(do_sigaction(arg1, pact, &oact)); if (!is_error(ret) && arg3) { if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) - goto efault; + return -TARGET_EFAULT; rt_act->_sa_handler = oact._sa_handler; rt_act->sa_mask = oact.sa_mask; rt_act->sa_flags = oact.sa_flags; @@ -9039,12 +8942,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_sigaction *oact; if (sigsetsize != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (arg2) { if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { - goto efault; + return -TARGET_EFAULT; } #ifdef TARGET_ARCH_HAS_KA_RESTORER act->ka_restorer = restorer; @@ -9067,7 +8969,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user_struct(oact, arg3, 1); #endif } - break; + return ret; #ifdef TARGET_NR_sgetmask /* not on alpha */ case TARGET_NR_sgetmask: { @@ -9079,7 +8981,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = target_set; } } - break; + return ret; #endif #ifdef TARGET_NR_ssetmask /* not on alpha */ case TARGET_NR_ssetmask: @@ -9093,7 +8995,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = target_set; } } - break; + return ret; #endif #ifdef TARGET_NR_sigprocmask case TARGET_NR_sigprocmask: @@ -9114,8 +9016,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, how = SIG_SETMASK; break; default: - ret = -TARGET_EINVAL; - goto fail; + return -TARGET_EINVAL; } mask = arg2; target_to_host_old_sigset(&set, &mask); @@ -9142,11 +9043,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, how = SIG_SETMASK; break; default: - ret = -TARGET_EINVAL; - goto fail; + return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_old_sigset(&set, p); unlock_user(p, arg2, 0); set_ptr = &set; @@ -9157,13 +9057,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = do_sigprocmask(how, set_ptr, &oldset); if (!is_error(ret) && arg3) { if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_old_sigset(p, &oldset); unlock_user(p, arg3, sizeof(target_sigset_t)); } #endif } - break; + return ret; #endif case TARGET_NR_rt_sigprocmask: { @@ -9171,8 +9071,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, sigset_t set, oldset, *set_ptr; if (arg4 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (arg2) { @@ -9187,11 +9086,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, how = SIG_SETMASK; break; default: - ret = -TARGET_EINVAL; - goto fail; + return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_sigset(&set, p); unlock_user(p, arg2, 0); set_ptr = &set; @@ -9202,12 +9100,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = do_sigprocmask(how, set_ptr, &oldset); if (!is_error(ret) && arg3) { if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_sigset(p, &oldset); unlock_user(p, arg3, sizeof(target_sigset_t)); } } - break; + return ret; #ifdef TARGET_NR_sigpending case TARGET_NR_sigpending: { @@ -9215,12 +9113,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(sigpending(&set)); if (!is_error(ret)) { if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_old_sigset(p, &set); unlock_user(p, arg1, sizeof(target_sigset_t)); } } - break; + return ret; #endif case TARGET_NR_rt_sigpending: { @@ -9232,19 +9130,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, * the old_sigset_t is smaller in size. */ if (arg2 > sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } ret = get_errno(sigpending(&set)); if (!is_error(ret)) { if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) - goto efault; + return -TARGET_EFAULT; host_to_target_sigset(p, &set); unlock_user(p, arg1, sizeof(target_sigset_t)); } } - break; + return ret; #ifdef TARGET_NR_sigsuspend case TARGET_NR_sigsuspend: { @@ -9254,7 +9151,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); #else if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_old_sigset(&ts->sigsuspend_mask, p); unlock_user(p, arg1, 0); #endif @@ -9264,18 +9161,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ts->in_sigsuspend = 1; } } - break; + return ret; #endif case TARGET_NR_rt_sigsuspend: { TaskState *ts = cpu->opaque; if (arg2 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_sigset(&ts->sigsuspend_mask, p); unlock_user(p, arg1, 0); ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, @@ -9284,7 +9180,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ts->in_sigsuspend = 1; } } - break; + return ret; case TARGET_NR_rt_sigtimedwait: { sigset_t set; @@ -9292,12 +9188,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, siginfo_t uinfo; if (arg4 != sizeof(target_sigset_t)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) - goto efault; + return -TARGET_EFAULT; target_to_host_sigset(&set, p); unlock_user(p, arg1, 0); if (arg3) { @@ -9313,7 +9208,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0); if (!p) { - goto efault; + return -TARGET_EFAULT; } host_to_target_siginfo(p, &uinfo); unlock_user(p, arg2, sizeof(target_siginfo_t)); @@ -9321,55 +9216,51 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = host_to_target_signal(ret); } } - break; + return ret; case TARGET_NR_rt_sigqueueinfo: { siginfo_t uinfo; p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); if (!p) { - goto efault; + return -TARGET_EFAULT; } target_to_host_siginfo(&uinfo, p); unlock_user(p, arg3, 0); ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); } - break; + return ret; case TARGET_NR_rt_tgsigqueueinfo: { siginfo_t uinfo; p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); if (!p) { - goto efault; + return -TARGET_EFAULT; } target_to_host_siginfo(&uinfo, p); unlock_user(p, arg4, 0); ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); } - break; + return ret; #ifdef TARGET_NR_sigreturn case TARGET_NR_sigreturn: if (block_signals()) { - ret = -TARGET_ERESTARTSYS; - } else { - ret = do_sigreturn(cpu_env); + return -TARGET_ERESTARTSYS; } - break; + return do_sigreturn(cpu_env); #endif case TARGET_NR_rt_sigreturn: if (block_signals()) { - ret = -TARGET_ERESTARTSYS; - } else { - ret = do_rt_sigreturn(cpu_env); + return -TARGET_ERESTARTSYS; } - break; + return do_rt_sigreturn(cpu_env); case TARGET_NR_sethostname: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sethostname(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #ifdef TARGET_NR_setrlimit case TARGET_NR_setrlimit: { @@ -9377,13 +9268,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_rlimit *target_rlim; struct rlimit rlim; if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) - goto efault; + return -TARGET_EFAULT; rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); unlock_user_struct(target_rlim, arg2, 0); - ret = get_errno(setrlimit(resource, &rlim)); + return get_errno(setrlimit(resource, &rlim)); } - break; #endif #ifdef TARGET_NR_getrlimit case TARGET_NR_getrlimit: @@ -9395,13 +9285,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(getrlimit(resource, &rlim)); if (!is_error(ret)) { if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) - goto efault; + return -TARGET_EFAULT; target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); unlock_user_struct(target_rlim, arg2, 1); } } - break; + return ret; #endif case TARGET_NR_getrusage: { @@ -9411,17 +9301,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = host_to_target_rusage(arg2, &rusage); } } - break; + return ret; case TARGET_NR_gettimeofday: { struct timeval tv; ret = get_errno(gettimeofday(&tv, NULL)); if (!is_error(ret)) { if (copy_to_user_timeval(arg1, &tv)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; case TARGET_NR_settimeofday: { struct timeval tv, *ptv = NULL; @@ -9429,21 +9319,20 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg1) { if (copy_from_user_timeval(&tv, arg1)) { - goto efault; + return -TARGET_EFAULT; } ptv = &tv; } if (arg2) { if (copy_from_user_timezone(&tz, arg2)) { - goto efault; + return -TARGET_EFAULT; } ptz = &tz; } - ret = get_errno(settimeofday(ptv, ptz)); + return get_errno(settimeofday(ptv, ptz)); } - break; #if defined(TARGET_NR_select) case TARGET_NR_select: #if defined(TARGET_WANT_NI_OLD_SELECT) @@ -9456,7 +9345,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #else ret = do_select(arg1, arg2, arg3, arg4, arg5); #endif - break; + return ret; #endif #ifdef TARGET_NR_pselect6 case TARGET_NR_pselect6: @@ -9487,15 +9376,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); if (ret) { - goto fail; + return ret; } ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); if (ret) { - goto fail; + return ret; } ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); if (ret) { - goto fail; + return ret; } /* @@ -9504,7 +9393,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, */ if (ts_addr) { if (target_to_host_timespec(&ts, ts_addr)) { - goto efault; + return -TARGET_EFAULT; } ts_ptr = &ts; } else { @@ -9518,7 +9407,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); if (!arg7) { - goto efault; + return -TARGET_EFAULT; } arg_sigset = tswapal(arg7[0]); arg_sigsize = tswapal(arg7[1]); @@ -9528,13 +9417,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, sig.set = &set; if (arg_sigsize != sizeof(*target_sigset)) { /* Like the kernel, we enforce correct size sigsets */ - ret = -TARGET_EINVAL; - goto fail; + return -TARGET_EINVAL; } target_sigset = lock_user(VERIFY_READ, arg_sigset, sizeof(*target_sigset), 1); if (!target_sigset) { - goto efault; + return -TARGET_EFAULT; } target_to_host_sigset(&set, target_sigset); unlock_user(target_sigset, arg_sigset, 0); @@ -9550,17 +9438,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) - goto efault; + return -TARGET_EFAULT; if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) - goto efault; + return -TARGET_EFAULT; if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) - goto efault; + return -TARGET_EFAULT; if (ts_addr && host_to_target_timespec(ts_addr, &ts)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #ifdef TARGET_NR_symlink case TARGET_NR_symlink: @@ -9575,7 +9463,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, 0); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_symlinkat) case TARGET_NR_symlinkat: @@ -9590,11 +9478,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg3, 0); unlock_user(p, arg1, 0); } - break; -#endif -#ifdef TARGET_NR_oldlstat - case TARGET_NR_oldlstat: - goto unimplemented; + return ret; #endif #ifdef TARGET_NR_readlink case TARGET_NR_readlink: @@ -9626,7 +9510,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg2, ret); unlock_user(p, arg1, 0); } - break; + return ret; #endif #if defined(TARGET_NR_readlinkat) case TARGET_NR_readlinkat: @@ -9647,37 +9531,29 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p2, arg3, ret); unlock_user(p, arg2, 0); } - break; -#endif -#ifdef TARGET_NR_uselib - case TARGET_NR_uselib: - goto unimplemented; + return ret; #endif #ifdef TARGET_NR_swapon case TARGET_NR_swapon: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(swapon(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_reboot: if (arg3 == LINUX_REBOOT_CMD_RESTART2) { /* arg4 must be ignored in all other cases */ p = lock_user_string(arg4); if (!p) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(reboot(arg1, arg2, arg3, p)); unlock_user(p, arg4, 0); } else { ret = get_errno(reboot(arg1, arg2, arg3, NULL)); } - break; -#ifdef TARGET_NR_readdir - case TARGET_NR_readdir: - goto unimplemented; -#endif + return ret; #ifdef TARGET_NR_mmap case TARGET_NR_mmap: #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ @@ -9688,7 +9564,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, abi_ulong *v; abi_ulong v1, v2, v3, v4, v5, v6; if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) - goto efault; + return -TARGET_EFAULT; v1 = tswapal(v[0]); v2 = tswapal(v[1]); v3 = tswapal(v[2]); @@ -9706,22 +9582,20 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg5, arg6)); #endif - break; + return ret; #endif #ifdef TARGET_NR_mmap2 case TARGET_NR_mmap2: #ifndef MMAP_SHIFT #define MMAP_SHIFT 12 #endif - ret = get_errno(target_mmap(arg1, arg2, arg3, - target_to_host_bitmask(arg4, mmap_flags_tbl), - arg5, - arg6 << MMAP_SHIFT)); - break; + ret = target_mmap(arg1, arg2, arg3, + target_to_host_bitmask(arg4, mmap_flags_tbl), + arg5, arg6 << MMAP_SHIFT); + return get_errno(ret); #endif case TARGET_NR_munmap: - ret = get_errno(target_munmap(arg1, arg2)); - break; + return get_errno(target_munmap(arg1, arg2)); case TARGET_NR_mprotect: { TaskState *ts = cpu->opaque; @@ -9734,62 +9608,53 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg1 = ts->info->stack_limit; } } - ret = get_errno(target_mprotect(arg1, arg2, arg3)); - break; + return get_errno(target_mprotect(arg1, arg2, arg3)); #ifdef TARGET_NR_mremap case TARGET_NR_mremap: - ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); - break; + return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); #endif /* ??? msync/mlock/munlock are broken for softmmu. */ #ifdef TARGET_NR_msync case TARGET_NR_msync: - ret = get_errno(msync(g2h(arg1), arg2, arg3)); - break; + return get_errno(msync(g2h(arg1), arg2, arg3)); #endif #ifdef TARGET_NR_mlock case TARGET_NR_mlock: - ret = get_errno(mlock(g2h(arg1), arg2)); - break; + return get_errno(mlock(g2h(arg1), arg2)); #endif #ifdef TARGET_NR_munlock case TARGET_NR_munlock: - ret = get_errno(munlock(g2h(arg1), arg2)); - break; + return get_errno(munlock(g2h(arg1), arg2)); #endif #ifdef TARGET_NR_mlockall case TARGET_NR_mlockall: - ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1))); - break; + return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); #endif #ifdef TARGET_NR_munlockall case TARGET_NR_munlockall: - ret = get_errno(munlockall()); - break; + return get_errno(munlockall()); #endif #ifdef TARGET_NR_truncate case TARGET_NR_truncate: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(truncate(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_ftruncate case TARGET_NR_ftruncate: - ret = get_errno(ftruncate(arg1, arg2)); - break; + return get_errno(ftruncate(arg1, arg2)); #endif case TARGET_NR_fchmod: - ret = get_errno(fchmod(arg1, arg2)); - break; + return get_errno(fchmod(arg1, arg2)); #if defined(TARGET_NR_fchmodat) case TARGET_NR_fchmodat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(fchmodat(arg1, p, arg3, 0)); unlock_user(p, arg2, 0); - break; + return ret; #endif case TARGET_NR_getpriority: /* Note that negative values are valid for getpriority, so we must @@ -9797,8 +9662,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, errno = 0; ret = getpriority(arg1, arg2); if (ret == -1 && errno != 0) { - ret = -host_to_target_errno(errno); - break; + return -host_to_target_errno(errno); } #ifdef TARGET_ALPHA /* Return value is the unbiased priority. Signal no error. */ @@ -9807,18 +9671,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, /* Return value is a biased priority to avoid negative numbers. */ ret = 20 - ret; #endif - break; + return ret; case TARGET_NR_setpriority: - ret = get_errno(setpriority(arg1, arg2, arg3)); - break; -#ifdef TARGET_NR_profil - case TARGET_NR_profil: - goto unimplemented; -#endif + return get_errno(setpriority(arg1, arg2, arg3)); #ifdef TARGET_NR_statfs case TARGET_NR_statfs: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(statfs(path(p), &stfs)); unlock_user(p, arg1, 0); convert_statfs: @@ -9826,7 +9686,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_statfs *target_stfs; if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) - goto efault; + return -TARGET_EFAULT; __put_user(stfs.f_type, &target_stfs->f_type); __put_user(stfs.f_bsize, &target_stfs->f_bsize); __put_user(stfs.f_blocks, &target_stfs->f_blocks); @@ -9846,7 +9706,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); unlock_user_struct(target_stfs, arg2, 1); } - break; + return ret; #endif #ifdef TARGET_NR_fstatfs case TARGET_NR_fstatfs: @@ -9855,8 +9715,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #endif #ifdef TARGET_NR_statfs64 case TARGET_NR_statfs64: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(statfs(path(p), &stfs)); unlock_user(p, arg1, 0); convert_statfs64: @@ -9864,7 +9725,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_statfs64 *target_stfs; if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) - goto efault; + return -TARGET_EFAULT; __put_user(stfs.f_type, &target_stfs->f_type); __put_user(stfs.f_bsize, &target_stfs->f_bsize); __put_user(stfs.f_blocks, &target_stfs->f_blocks); @@ -9879,127 +9740,102 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); unlock_user_struct(target_stfs, arg3, 1); } - break; + return ret; case TARGET_NR_fstatfs64: 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: - ret = do_socketcall(arg1, arg2); - break; + return do_socketcall(arg1, arg2); #endif #ifdef TARGET_NR_accept case TARGET_NR_accept: - ret = do_accept4(arg1, arg2, arg3, 0); - break; + return do_accept4(arg1, arg2, arg3, 0); #endif #ifdef TARGET_NR_accept4 case TARGET_NR_accept4: - ret = do_accept4(arg1, arg2, arg3, arg4); - break; + return do_accept4(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_bind case TARGET_NR_bind: - ret = do_bind(arg1, arg2, arg3); - break; + return do_bind(arg1, arg2, arg3); #endif #ifdef TARGET_NR_connect case TARGET_NR_connect: - ret = do_connect(arg1, arg2, arg3); - break; + return do_connect(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getpeername case TARGET_NR_getpeername: - ret = do_getpeername(arg1, arg2, arg3); - break; + return do_getpeername(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getsockname case TARGET_NR_getsockname: - ret = do_getsockname(arg1, arg2, arg3); - break; + return do_getsockname(arg1, arg2, arg3); #endif #ifdef TARGET_NR_getsockopt case TARGET_NR_getsockopt: - ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); - break; + return do_getsockopt(arg1, arg2, arg3, arg4, arg5); #endif #ifdef TARGET_NR_listen case TARGET_NR_listen: - ret = get_errno(listen(arg1, arg2)); - break; + return get_errno(listen(arg1, arg2)); #endif #ifdef TARGET_NR_recv case TARGET_NR_recv: - ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); - break; + return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); #endif #ifdef TARGET_NR_recvfrom case TARGET_NR_recvfrom: - ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); #endif #ifdef TARGET_NR_recvmsg case TARGET_NR_recvmsg: - ret = do_sendrecvmsg(arg1, arg2, arg3, 0); - break; + return do_sendrecvmsg(arg1, arg2, arg3, 0); #endif #ifdef TARGET_NR_send case TARGET_NR_send: - ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); - break; + return do_sendto(arg1, arg2, arg3, arg4, 0, 0); #endif #ifdef TARGET_NR_sendmsg case TARGET_NR_sendmsg: - ret = do_sendrecvmsg(arg1, arg2, arg3, 1); - break; + return do_sendrecvmsg(arg1, arg2, arg3, 1); #endif #ifdef TARGET_NR_sendmmsg case TARGET_NR_sendmmsg: - ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); - break; + return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); case TARGET_NR_recvmmsg: - ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); - break; + return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); #endif #ifdef TARGET_NR_sendto case TARGET_NR_sendto: - ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); #endif #ifdef TARGET_NR_shutdown case TARGET_NR_shutdown: - ret = get_errno(shutdown(arg1, arg2)); - break; + return get_errno(shutdown(arg1, arg2)); #endif #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) case TARGET_NR_getrandom: p = lock_user(VERIFY_WRITE, arg1, arg2, 0); if (!p) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(getrandom(p, arg2, arg3)); unlock_user(p, arg1, ret); - break; + return ret; #endif #ifdef TARGET_NR_socket case TARGET_NR_socket: - ret = do_socket(arg1, arg2, arg3); - break; + return do_socket(arg1, arg2, arg3); #endif #ifdef TARGET_NR_socketpair case TARGET_NR_socketpair: - ret = do_socketpair(arg1, arg2, arg3, arg4); - break; + return do_socketpair(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_setsockopt case TARGET_NR_setsockopt: - ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); - break; + return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); #endif #if defined(TARGET_NR_syslog) case TARGET_NR_syslog: @@ -10015,34 +9851,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ - { - ret = get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); - } - break; + return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); case TARGET_SYSLOG_ACTION_READ: /* Read from log */ case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ { - ret = -TARGET_EINVAL; if (len < 0) { - goto fail; + return -TARGET_EINVAL; } - ret = 0; if (len == 0) { - break; + return 0; } p = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!p) { - ret = -TARGET_EFAULT; - goto fail; + return -TARGET_EFAULT; } ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); unlock_user(p, arg2, arg3); } - break; + return ret; default: - ret = -EINVAL; - break; + return -TARGET_EINVAL; } } break; @@ -10056,7 +9885,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (copy_from_user_timeval(&pvalue->it_interval, arg2) || copy_from_user_timeval(&pvalue->it_value, arg2 + sizeof(struct target_timeval))) - goto efault; + return -TARGET_EFAULT; } else { pvalue = NULL; } @@ -10066,10 +9895,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, &ovalue.it_interval) || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), &ovalue.it_value)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; case TARGET_NR_getitimer: { struct itimerval value; @@ -10080,22 +9909,24 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, &value.it_interval) || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), &value.it_value)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #ifdef TARGET_NR_stat case TARGET_NR_stat: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(stat(path(p), &st)); unlock_user(p, arg1, 0); goto do_stat; #endif #ifdef TARGET_NR_lstat case TARGET_NR_lstat: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(lstat(path(p), &st)); unlock_user(p, arg1, 0); goto do_stat; @@ -10111,7 +9942,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct target_stat *target_st; if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) - goto efault; + return -TARGET_EFAULT; memset(target_st, 0, sizeof(*target_st)); __put_user(st.st_dev, &target_st->st_dev); __put_user(st.st_ino, &target_st->st_ino); @@ -10129,28 +9960,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_st, arg2, 1); } } - break; -#endif -#ifdef TARGET_NR_olduname - case TARGET_NR_olduname: - goto unimplemented; -#endif -#ifdef TARGET_NR_iopl - case TARGET_NR_iopl: - goto unimplemented; + return ret; #endif case TARGET_NR_vhangup: - ret = get_errno(vhangup()); - break; -#ifdef TARGET_NR_idle - case TARGET_NR_idle: - goto unimplemented; -#endif + return get_errno(vhangup()); #ifdef TARGET_NR_syscall case TARGET_NR_syscall: - ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, - arg6, arg7, arg8, 0); - break; + return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, + arg6, arg7, arg8, 0); #endif case TARGET_NR_wait4: { @@ -10168,7 +9985,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (status_ptr && ret) { status = host_to_target_waitstatus(status); if (put_user_s32(status, status_ptr)) - goto efault; + return -TARGET_EFAULT; } if (target_rusage) { rusage_err = host_to_target_rusage(target_rusage, &rusage); @@ -10178,14 +9995,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } } } - break; + return ret; #ifdef TARGET_NR_swapoff case TARGET_NR_swapoff: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(swapoff(p)); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_sysinfo: { @@ -10195,7 +10012,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret) && arg1) { if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) - goto efault; + return -TARGET_EFAULT; __put_user(value.uptime, &target_value->uptime); __put_user(value.loads[0], &target_value->loads[0]); __put_user(value.loads[1], &target_value->loads[1]); @@ -10213,70 +10030,57 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_value, arg1, 1); } } - break; + return ret; #ifdef TARGET_NR_ipc case TARGET_NR_ipc: - ret = do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); #endif #ifdef TARGET_NR_semget case TARGET_NR_semget: - ret = get_errno(semget(arg1, arg2, arg3)); - break; + return get_errno(semget(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_semop case TARGET_NR_semop: - ret = do_semop(arg1, arg2, arg3); - break; + return do_semop(arg1, arg2, arg3); #endif #ifdef TARGET_NR_semctl case TARGET_NR_semctl: - ret = do_semctl(arg1, arg2, arg3, arg4); - break; + return do_semctl(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_msgctl case TARGET_NR_msgctl: - ret = do_msgctl(arg1, arg2, arg3); - break; + return do_msgctl(arg1, arg2, arg3); #endif #ifdef TARGET_NR_msgget case TARGET_NR_msgget: - ret = get_errno(msgget(arg1, arg2)); - break; + return get_errno(msgget(arg1, arg2)); #endif #ifdef TARGET_NR_msgrcv case TARGET_NR_msgrcv: - ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); - break; + return do_msgrcv(arg1, arg2, arg3, arg4, arg5); #endif #ifdef TARGET_NR_msgsnd case TARGET_NR_msgsnd: - ret = do_msgsnd(arg1, arg2, arg3, arg4); - break; + return do_msgsnd(arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_shmget case TARGET_NR_shmget: - ret = get_errno(shmget(arg1, arg2, arg3)); - break; + return get_errno(shmget(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_shmctl case TARGET_NR_shmctl: - ret = do_shmctl(arg1, arg2, arg3); - break; + return do_shmctl(arg1, arg2, arg3); #endif #ifdef TARGET_NR_shmat case TARGET_NR_shmat: - ret = do_shmat(cpu_env, arg1, arg2, arg3); - break; + return do_shmat(cpu_env, arg1, arg2, arg3); #endif #ifdef TARGET_NR_shmdt case TARGET_NR_shmdt: - ret = do_shmdt(arg1); - break; + return do_shmdt(arg1); #endif case TARGET_NR_fsync: - ret = get_errno(fsync(arg1)); - break; + return get_errno(fsync(arg1)); case TARGET_NR_clone: /* Linux manages to have three different orderings for its * arguments to clone(); the BACKWARDS and BACKWARDS2 defines @@ -10293,27 +10097,26 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); #endif - break; + return ret; #ifdef __NR_exit_group /* new thread calls */ case TARGET_NR_exit_group: preexit_cleanup(cpu_env, arg1); - ret = get_errno(exit_group(arg1)); - break; + return get_errno(exit_group(arg1)); #endif case TARGET_NR_setdomainname: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(setdomainname(p, arg2)); unlock_user(p, arg1, 0); - break; + return ret; case TARGET_NR_uname: /* no need to transcode because we use the linux syscall */ { struct new_utsname * buf; if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_uname(buf)); if (!is_error(ret)) { /* Overwrite the native machine name with whatever is being @@ -10328,17 +10131,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user_struct(buf, arg1, 1); } - break; + return ret; #ifdef TARGET_I386 case TARGET_NR_modify_ldt: - ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); - break; + return do_modify_ldt(cpu_env, arg1, arg2, arg3); #if !defined(TARGET_X86_64) - case TARGET_NR_vm86old: - goto unimplemented; case TARGET_NR_vm86: - ret = do_vm86(cpu_env, arg1, arg2); - break; + return do_vm86(cpu_env, arg1, arg2); #endif #endif case TARGET_NR_adjtimex: @@ -10346,65 +10145,39 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct timex host_buf; if (target_to_host_timex(&host_buf, arg1) != 0) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(adjtimex(&host_buf)); if (!is_error(ret)) { if (host_to_target_timex(arg1, &host_buf) != 0) { - goto efault; + return -TARGET_EFAULT; } } } - break; + return ret; #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) case TARGET_NR_clock_adjtime: { struct timex htx, *phtx = &htx; if (target_to_host_timex(phtx, arg2) != 0) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(clock_adjtime(arg1, phtx)); if (!is_error(ret) && phtx) { if (host_to_target_timex(arg2, phtx) != 0) { - goto efault; + return -TARGET_EFAULT; } } } - break; -#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: + return ret; #endif - goto unimplemented; - case TARGET_NR_quotactl: - goto unimplemented; case TARGET_NR_getpgid: - ret = get_errno(getpgid(arg1)); - break; + return get_errno(getpgid(arg1)); case TARGET_NR_fchdir: - ret = get_errno(fchdir(arg1)); - break; -#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 + return get_errno(fchdir(arg1)); case TARGET_NR_personality: - ret = get_errno(personality(arg1)); - break; -#ifdef TARGET_NR_afs_syscall - case TARGET_NR_afs_syscall: - goto unimplemented; -#endif + return get_errno(personality(arg1)); #ifdef TARGET_NR__llseek /* Not on alpha */ case TARGET_NR__llseek: { @@ -10420,10 +10193,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); #endif if ((ret == 0) && put_user_s64(res, arg4)) { - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #ifdef TARGET_NR_getdents case TARGET_NR_getdents: @@ -10436,8 +10209,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, dirp = g_try_malloc(count); if (!dirp) { - ret = -TARGET_ENOMEM; - goto fail; + return -TARGET_ENOMEM; } ret = get_errno(sys_getdents(arg1, dirp, count)); @@ -10451,7 +10223,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, count1 = 0; de = dirp; if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) - goto efault; + return -TARGET_EFAULT; tde = target_dirp; while (len > 0) { reclen = de->d_reclen; @@ -10479,7 +10251,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, abi_long count = arg3; if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_getdents(arg1, dirp, count)); if (!is_error(ret)) { struct linux_dirent *de; @@ -10508,7 +10280,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, dirp = lock_user(VERIFY_WRITE, arg2, count, 0); if (!dirp) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(sys_getdents64(arg1, dirp, count)); if (!is_error(ret)) { @@ -10555,7 +10327,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(dirp, arg2, ret); } #endif - break; + return ret; #endif /* TARGET_NR_getdents */ #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) case TARGET_NR_getdents64: @@ -10563,7 +10335,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct linux_dirent64 *dirp; abi_long count = arg3; if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_getdents64(arg1, dirp, count)); if (!is_error(ret)) { struct linux_dirent64 *de; @@ -10583,12 +10355,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user(dirp, arg2, ret); } - break; + return ret; #endif /* TARGET_NR_getdents64 */ #if defined(TARGET_NR__newselect) case TARGET_NR__newselect: - ret = do_select(arg1, arg2, arg3, arg4, arg5); - break; + return do_select(arg1, arg2, arg3, arg4, arg5); #endif #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) # ifdef TARGET_NR_poll @@ -10607,14 +10378,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, target_pfd = NULL; if (nfds) { if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); if (!target_pfd) { - goto efault; + return -TARGET_EFAULT; } pfd = alloca(sizeof(struct pollfd) * nfds); @@ -10635,7 +10405,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg3) { if (target_to_host_timespec(timeout_ts, arg3)) { unlock_user(target_pfd, arg1, 0); - goto efault; + return -TARGET_EFAULT; } } else { timeout_ts = NULL; @@ -10644,14 +10414,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg4) { if (arg5 != sizeof(target_sigset_t)) { unlock_user(target_pfd, arg1, 0); - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); if (!target_set) { unlock_user(target_pfd, arg1, 0); - goto efault; + return -TARGET_EFAULT; } target_to_host_sigset(set, target_set); } else { @@ -10699,13 +10468,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); } - break; + return ret; #endif case TARGET_NR_flock: /* NOTE: the flock constant seems to be the same for every Linux platform */ - ret = get_errno(safe_flock(arg1, arg2)); - break; + return get_errno(safe_flock(arg1, arg2)); case TARGET_NR_readv: { struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); @@ -10716,7 +10484,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; case TARGET_NR_writev: { struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); @@ -10727,7 +10495,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #if defined(TARGET_NR_preadv) case TARGET_NR_preadv: { @@ -10742,7 +10510,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #endif #if defined(TARGET_NR_pwritev) case TARGET_NR_pwritev: @@ -10758,22 +10526,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #endif case TARGET_NR_getsid: - ret = get_errno(getsid(arg1)); - break; + return get_errno(getsid(arg1)); #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ case TARGET_NR_fdatasync: - ret = get_errno(fdatasync(arg1)); - break; + return get_errno(fdatasync(arg1)); #endif #ifdef TARGET_NR__sysctl case TARGET_NR__sysctl: /* We don't implement this, but ENOTDIR is always a safe return value. */ - ret = -TARGET_ENOTDIR; - break; + return -TARGET_ENOTDIR; #endif case TARGET_NR_sched_getaffinity: { @@ -10785,8 +10550,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, * care of mismatches between target ulong and host ulong sizes. */ if (arg2 & (sizeof(abi_ulong) - 1)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); @@ -10805,18 +10569,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, */ int numcpus = sysconf(_SC_NPROCESSORS_CONF); if (numcpus > arg2 * 8) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } ret = arg2; } if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { - goto efault; + return -TARGET_EFAULT; } } } - break; + return ret; case TARGET_NR_sched_setaffinity: { unsigned int mask_size; @@ -10827,20 +10590,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, * care of mismatches between target ulong and host ulong sizes. */ if (arg2 & (sizeof(abi_ulong) - 1)) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); mask = alloca(mask_size); ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); if (ret) { - break; + return ret; } - ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); + return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); } - break; case TARGET_NR_getcpu: { unsigned cpu, node; @@ -10848,16 +10609,16 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg2 ? &node : NULL, NULL)); if (is_error(ret)) { - goto fail; + return ret; } if (arg1 && put_user_u32(cpu, arg1)) { - goto efault; + return -TARGET_EFAULT; } if (arg2 && put_user_u32(node, arg2)) { - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; case TARGET_NR_sched_setparam: { struct sched_param *target_schp; @@ -10867,12 +10628,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, return -TARGET_EINVAL; } if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) - goto efault; + return -TARGET_EFAULT; schp.sched_priority = tswap32(target_schp->sched_priority); unlock_user_struct(target_schp, arg2, 0); - ret = get_errno(sched_setparam(arg1, &schp)); + return get_errno(sched_setparam(arg1, &schp)); } - break; case TARGET_NR_sched_getparam: { struct sched_param *target_schp; @@ -10884,12 +10644,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(sched_getparam(arg1, &schp)); if (!is_error(ret)) { if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) - goto efault; + return -TARGET_EFAULT; target_schp->sched_priority = tswap32(schp.sched_priority); unlock_user_struct(target_schp, arg2, 1); } } - break; + return ret; case TARGET_NR_sched_setscheduler: { struct sched_param *target_schp; @@ -10898,24 +10658,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, return -TARGET_EINVAL; } if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) - goto efault; + return -TARGET_EFAULT; schp.sched_priority = tswap32(target_schp->sched_priority); unlock_user_struct(target_schp, arg3, 0); - ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); + return get_errno(sched_setscheduler(arg1, arg2, &schp)); } - break; case TARGET_NR_sched_getscheduler: - ret = get_errno(sched_getscheduler(arg1)); - break; + return get_errno(sched_getscheduler(arg1)); case TARGET_NR_sched_yield: - ret = get_errno(sched_yield()); - break; + return get_errno(sched_yield()); case TARGET_NR_sched_get_priority_max: - ret = get_errno(sched_get_priority_max(arg1)); - break; + return get_errno(sched_get_priority_max(arg1)); case TARGET_NR_sched_get_priority_min: - ret = get_errno(sched_get_priority_min(arg1)); - break; + return get_errno(sched_get_priority_min(arg1)); case TARGET_NR_sched_rr_get_interval: { struct timespec ts; @@ -10924,7 +10679,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = host_to_target_timespec(arg2, &ts); } } - break; + return ret; case TARGET_NR_nanosleep: { struct timespec req, rem; @@ -10934,15 +10689,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, host_to_target_timespec(arg2, &rem); } } - break; -#ifdef TARGET_NR_query_module - case TARGET_NR_query_module: - goto unimplemented; -#endif -#ifdef TARGET_NR_nfsservctl - case TARGET_NR_nfsservctl: - goto unimplemented; -#endif + return ret; case TARGET_NR_prctl: switch (arg1) { case PR_GET_PDEATHSIG: @@ -10951,32 +10698,32 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); if (!is_error(ret) && arg2 && put_user_ual(deathsig, arg2)) { - goto efault; + return -TARGET_EFAULT; } - break; + return ret; } #ifdef PR_GET_NAME case PR_GET_NAME: { void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); if (!name) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(prctl(arg1, (unsigned long)name, arg3, arg4, arg5)); unlock_user(name, arg2, 16); - break; + return ret; } case PR_SET_NAME: { void *name = lock_user(VERIFY_READ, arg2, 16, 1); if (!name) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(prctl(arg1, (unsigned long)name, arg3, arg4, arg5)); unlock_user(name, arg2, 0); - break; + return ret; } #endif #ifdef TARGET_AARCH64 @@ -11004,34 +10751,31 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, env->vfp.zcr_el[1] = vq - 1; ret = vq * 16; } - break; + return ret; case TARGET_PR_SVE_GET_VL: ret = -TARGET_EINVAL; if (arm_feature(cpu_env, ARM_FEATURE_SVE)) { CPUARMState *env = cpu_env; ret = ((env->vfp.zcr_el[1] & 0xf) + 1) * 16; } - break; + return ret; #endif /* AARCH64 */ case PR_GET_SECCOMP: case PR_SET_SECCOMP: /* Disable seccomp to prevent the target disabling syscalls we * need. */ - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; default: /* Most prctl options have no pointer arguments */ - ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); - break; + return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); } break; #ifdef TARGET_NR_arch_prctl case TARGET_NR_arch_prctl: #if defined(TARGET_I386) && !defined(TARGET_ABI32) - ret = do_arch_prctl(cpu_env, arg1, arg2); - break; + return do_arch_prctl(cpu_env, arg1, arg2); #else - goto unimplemented; +#error unreachable #endif #endif #ifdef TARGET_NR_pread64 @@ -11041,27 +10785,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg5 = arg6; } if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, ret); - break; + return ret; case TARGET_NR_pwrite64: if (regpairs_aligned(cpu_env, num)) { arg4 = arg5; arg5 = arg6; } if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); unlock_user(p, arg2, 0); - break; + return ret; #endif case TARGET_NR_getcwd: if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(sys_getcwd1(p, arg2)); unlock_user(p, arg1, ret); - break; + return ret; case TARGET_NR_capget: case TARGET_NR_capset: { @@ -11074,7 +10818,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, int data_items = 1; if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { - goto efault; + return -TARGET_EFAULT; } header.version = tswap32(target_header->version); header.pid = tswap32(target_header->pid); @@ -11094,7 +10838,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } if (!target_data) { unlock_user_struct(target_header, arg1, 0); - goto efault; + return -TARGET_EFAULT; } if (num == TARGET_NR_capset) { @@ -11130,11 +10874,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(target_data, arg2, 0); } } - break; + return ret; } case TARGET_NR_sigaltstack: - ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); - break; + return do_sigaltstack(arg1, arg2, + get_sp_from_cpustate((CPUArchState *)cpu_env)); #ifdef CONFIG_SENDFILE #ifdef TARGET_NR_sendfile @@ -11145,7 +10889,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg3) { ret = get_user_sal(off, arg3); if (is_error(ret)) { - break; + return ret; } offp = &off; } @@ -11156,7 +10900,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = ret2; } } - break; + return ret; } #endif #ifdef TARGET_NR_sendfile64 @@ -11167,7 +10911,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg3) { ret = get_user_s64(off, arg3); if (is_error(ret)) { - break; + return ret; } offp = &off; } @@ -11178,31 +10922,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = ret2; } } - break; + 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: - ret = get_errno(do_fork(cpu_env, - CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, - 0, 0, 0, 0)); - break; + return get_errno(do_fork(cpu_env, + CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, + 0, 0, 0, 0)); #endif #ifdef TARGET_NR_ugetrlimit case TARGET_NR_ugetrlimit: @@ -11213,53 +10941,54 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { struct target_rlimit *target_rlim; if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) - goto efault; + return -TARGET_EFAULT; target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); unlock_user_struct(target_rlim, arg2, 1); } - break; + return ret; } #endif #ifdef TARGET_NR_truncate64 case TARGET_NR_truncate64: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_ftruncate64 case TARGET_NR_ftruncate64: - ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); - break; + return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); #endif #ifdef TARGET_NR_stat64 case TARGET_NR_stat64: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(stat(path(p), &st)); unlock_user(p, arg1, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg2, &st); - break; + return ret; #endif #ifdef TARGET_NR_lstat64 case TARGET_NR_lstat64: - if (!(p = lock_user_string(arg1))) - goto efault; + if (!(p = lock_user_string(arg1))) { + return -TARGET_EFAULT; + } ret = get_errno(lstat(path(p), &st)); unlock_user(p, arg1, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg2, &st); - break; + return ret; #endif #ifdef TARGET_NR_fstat64 case TARGET_NR_fstat64: ret = get_errno(fstat(arg1, &st)); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg2, &st); - break; + return ret; #endif #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) #ifdef TARGET_NR_fstatat64 @@ -11268,47 +10997,43 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_newfstatat case TARGET_NR_newfstatat: #endif - if (!(p = lock_user_string(arg2))) - goto efault; + if (!(p = lock_user_string(arg2))) { + return -TARGET_EFAULT; + } ret = get_errno(fstatat(arg1, path(p), &st, arg4)); + unlock_user(p, arg2, 0); if (!is_error(ret)) ret = host_to_target_stat64(cpu_env, arg3, &st); - break; + return ret; #endif #ifdef TARGET_NR_lchown case TARGET_NR_lchown: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_getuid case TARGET_NR_getuid: - ret = get_errno(high2lowuid(getuid())); - break; + return get_errno(high2lowuid(getuid())); #endif #ifdef TARGET_NR_getgid case TARGET_NR_getgid: - ret = get_errno(high2lowgid(getgid())); - break; + return get_errno(high2lowgid(getgid())); #endif #ifdef TARGET_NR_geteuid case TARGET_NR_geteuid: - ret = get_errno(high2lowuid(geteuid())); - break; + return get_errno(high2lowuid(geteuid())); #endif #ifdef TARGET_NR_getegid case TARGET_NR_getegid: - ret = get_errno(high2lowgid(getegid())); - break; + return get_errno(high2lowgid(getegid())); #endif case TARGET_NR_setreuid: - ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); - break; + return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); case TARGET_NR_setregid: - ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); - break; + return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); case TARGET_NR_getgroups: { int gidsetsize = arg1; @@ -11319,17 +11044,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, grouplist = alloca(gidsetsize * sizeof(gid_t)); ret = get_errno(getgroups(gidsetsize, grouplist)); if (gidsetsize == 0) - break; + return ret; if (!is_error(ret)) { target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); if (!target_grouplist) - goto efault; + return -TARGET_EFAULT; for(i = 0;i < ret; i++) target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); } } - break; + return ret; case TARGET_NR_setgroups: { int gidsetsize = arg1; @@ -11340,35 +11065,31 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, grouplist = alloca(gidsetsize * sizeof(gid_t)); target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); if (!target_grouplist) { - ret = -TARGET_EFAULT; - goto fail; + return -TARGET_EFAULT; } for (i = 0; i < gidsetsize; i++) { grouplist[i] = low2highgid(tswapid(target_grouplist[i])); } unlock_user(target_grouplist, arg2, 0); } - ret = get_errno(setgroups(gidsetsize, grouplist)); + return get_errno(setgroups(gidsetsize, grouplist)); } - break; case TARGET_NR_fchown: - ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); - break; + return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); #if defined(TARGET_NR_fchownat) case TARGET_NR_fchownat: if (!(p = lock_user_string(arg2))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5)); unlock_user(p, arg2, 0); - break; + return ret; #endif #ifdef TARGET_NR_setresuid case TARGET_NR_setresuid: - ret = get_errno(sys_setresuid(low2highuid(arg1), - low2highuid(arg2), - low2highuid(arg3))); - break; + return get_errno(sys_setresuid(low2highuid(arg1), + low2highuid(arg2), + low2highuid(arg3))); #endif #ifdef TARGET_NR_getresuid case TARGET_NR_getresuid: @@ -11379,17 +11100,16 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (put_user_id(high2lowuid(ruid), arg1) || put_user_id(high2lowuid(euid), arg2) || put_user_id(high2lowuid(suid), arg3)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #ifdef TARGET_NR_getresgid case TARGET_NR_setresgid: - ret = get_errno(sys_setresgid(low2highgid(arg1), - low2highgid(arg2), - low2highgid(arg3))); - break; + return get_errno(sys_setresgid(low2highgid(arg1), + low2highgid(arg2), + low2highgid(arg3))); #endif #ifdef TARGET_NR_getresgid case TARGET_NR_getresgid: @@ -11400,44 +11120,39 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (put_user_id(high2lowgid(rgid), arg1) || put_user_id(high2lowgid(egid), arg2) || put_user_id(high2lowgid(sgid), arg3)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #ifdef TARGET_NR_chown case TARGET_NR_chown: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); unlock_user(p, arg1, 0); - break; + return ret; #endif case TARGET_NR_setuid: - ret = get_errno(sys_setuid(low2highuid(arg1))); - break; + return get_errno(sys_setuid(low2highuid(arg1))); case TARGET_NR_setgid: - ret = get_errno(sys_setgid(low2highgid(arg1))); - break; + return get_errno(sys_setgid(low2highgid(arg1))); case TARGET_NR_setfsuid: - ret = get_errno(setfsuid(arg1)); - break; + return get_errno(setfsuid(arg1)); case TARGET_NR_setfsgid: - ret = get_errno(setfsgid(arg1)); - break; + return get_errno(setfsgid(arg1)); #ifdef TARGET_NR_lchown32 case TARGET_NR_lchown32: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(lchown(p, arg2, arg3)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_getuid32 case TARGET_NR_getuid32: - ret = get_errno(getuid()); - break; + return get_errno(getuid()); #endif #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) @@ -11448,8 +11163,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, euid=geteuid(); ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; } - ret = get_errno(getuid()); - break; + return get_errno(getuid()); #endif #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) /* Alpha specific */ @@ -11459,8 +11173,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, egid=getegid(); ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; } - ret = get_errno(getgid()); - break; + return get_errno(getgid()); #endif #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) /* Alpha specific */ @@ -11483,7 +11196,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; if (put_user_u64 (swcr, arg2)) - goto efault; + return -TARGET_EFAULT; ret = 0; } break; @@ -11498,7 +11211,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, -- Grabs a copy of the HWRPB; surely not used. */ } - break; + return ret; #endif #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) /* Alpha specific */ @@ -11510,7 +11223,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, uint64_t swcr, fpcr, orig_fpcr; if (get_user_u64 (swcr, arg2)) { - goto efault; + return -TARGET_EFAULT; } orig_fpcr = cpu_alpha_load_fpcr(cpu_env); fpcr = orig_fpcr & FPCR_DYN_MASK; @@ -11537,7 +11250,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, int si_code; if (get_user_u64(exc, arg2)) { - goto efault; + return -TARGET_EFAULT; } orig_fpcr = cpu_alpha_load_fpcr(cpu_env); @@ -11589,7 +11302,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, -- Not implemented in linux kernel */ } - break; + return ret; #endif #ifdef TARGET_NR_osf_sigprocmask /* Alpha specific. */ @@ -11610,8 +11323,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, how = SIG_SETMASK; break; default: - ret = -TARGET_EINVAL; - goto fail; + return -TARGET_EINVAL; } mask = arg2; target_to_host_old_sigset(&set, &mask); @@ -11621,33 +11333,28 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = mask; } } - break; + return ret; #endif #ifdef TARGET_NR_getgid32 case TARGET_NR_getgid32: - ret = get_errno(getgid()); - break; + return get_errno(getgid()); #endif #ifdef TARGET_NR_geteuid32 case TARGET_NR_geteuid32: - ret = get_errno(geteuid()); - break; + return get_errno(geteuid()); #endif #ifdef TARGET_NR_getegid32 case TARGET_NR_getegid32: - ret = get_errno(getegid()); - break; + return get_errno(getegid()); #endif #ifdef TARGET_NR_setreuid32 case TARGET_NR_setreuid32: - ret = get_errno(setreuid(arg1, arg2)); - break; + return get_errno(setreuid(arg1, arg2)); #endif #ifdef TARGET_NR_setregid32 case TARGET_NR_setregid32: - ret = get_errno(setregid(arg1, arg2)); - break; + return get_errno(setregid(arg1, arg2)); #endif #ifdef TARGET_NR_getgroups32 case TARGET_NR_getgroups32: @@ -11660,19 +11367,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, grouplist = alloca(gidsetsize * sizeof(gid_t)); ret = get_errno(getgroups(gidsetsize, grouplist)); if (gidsetsize == 0) - break; + return ret; if (!is_error(ret)) { target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); if (!target_grouplist) { - ret = -TARGET_EFAULT; - goto fail; + return -TARGET_EFAULT; } for(i = 0;i < ret; i++) target_grouplist[i] = tswap32(grouplist[i]); unlock_user(target_grouplist, arg2, gidsetsize * 4); } } - break; + return ret; #endif #ifdef TARGET_NR_setgroups32 case TARGET_NR_setgroups32: @@ -11685,25 +11391,21 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, grouplist = alloca(gidsetsize * sizeof(gid_t)); target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); if (!target_grouplist) { - ret = -TARGET_EFAULT; - goto fail; + return -TARGET_EFAULT; } for(i = 0;i < gidsetsize; i++) grouplist[i] = tswap32(target_grouplist[i]); unlock_user(target_grouplist, arg2, 0); - ret = get_errno(setgroups(gidsetsize, grouplist)); + return get_errno(setgroups(gidsetsize, grouplist)); } - break; #endif #ifdef TARGET_NR_fchown32 case TARGET_NR_fchown32: - ret = get_errno(fchown(arg1, arg2, arg3)); - break; + return get_errno(fchown(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_setresuid32 case TARGET_NR_setresuid32: - ret = get_errno(sys_setresuid(arg1, arg2, arg3)); - break; + return get_errno(sys_setresuid(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_getresuid32 case TARGET_NR_getresuid32: @@ -11714,15 +11416,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (put_user_u32(ruid, arg1) || put_user_u32(euid, arg2) || put_user_u32(suid, arg3)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #ifdef TARGET_NR_setresgid32 case TARGET_NR_setresgid32: - ret = get_errno(sys_setresgid(arg1, arg2, arg3)); - break; + return get_errno(sys_setresgid(arg1, arg2, arg3)); #endif #ifdef TARGET_NR_getresgid32 case TARGET_NR_getresgid32: @@ -11733,62 +11434,52 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (put_user_u32(rgid, arg1) || put_user_u32(egid, arg2) || put_user_u32(sgid, arg3)) - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #ifdef TARGET_NR_chown32 case TARGET_NR_chown32: if (!(p = lock_user_string(arg1))) - goto efault; + return -TARGET_EFAULT; ret = get_errno(chown(p, arg2, arg3)); unlock_user(p, arg1, 0); - break; + return ret; #endif #ifdef TARGET_NR_setuid32 case TARGET_NR_setuid32: - ret = get_errno(sys_setuid(arg1)); - break; + return get_errno(sys_setuid(arg1)); #endif #ifdef TARGET_NR_setgid32 case TARGET_NR_setgid32: - ret = get_errno(sys_setgid(arg1)); - break; + return get_errno(sys_setgid(arg1)); #endif #ifdef TARGET_NR_setfsuid32 case TARGET_NR_setfsuid32: - ret = get_errno(setfsuid(arg1)); - break; + return get_errno(setfsuid(arg1)); #endif #ifdef TARGET_NR_setfsgid32 case TARGET_NR_setfsgid32: - ret = get_errno(setfsgid(arg1)); - break; + return get_errno(setfsgid(arg1)); #endif - - case TARGET_NR_pivot_root: - goto unimplemented; #ifdef TARGET_NR_mincore case TARGET_NR_mincore: { - void *a; - ret = -TARGET_ENOMEM; - a = lock_user(VERIFY_READ, arg1, arg2, 0); + void *a = lock_user(VERIFY_READ, arg1, arg2, 0); if (!a) { - goto fail; + return -TARGET_ENOMEM; } - ret = -TARGET_EFAULT; p = lock_user_string(arg3); if (!p) { - goto mincore_fail; + ret = -TARGET_EFAULT; + } else { + ret = get_errno(mincore(a, arg2, p)); + unlock_user(p, arg3, ret); } - ret = get_errno(mincore(a, arg2, p)); - unlock_user(p, arg3, ret); - mincore_fail: unlock_user(a, arg1, 0); } - break; + return ret; #endif #ifdef TARGET_NR_arm_fadvise64_64 case TARGET_NR_arm_fadvise64_64: @@ -11800,8 +11491,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, */ ret = posix_fadvise(arg1, target_offset64(arg3, arg4), target_offset64(arg5, arg6), arg2); - ret = -host_to_target_errno(ret); - break; + return -host_to_target_errno(ret); #endif #if TARGET_ABI_BITS == 32 @@ -11827,11 +11517,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg6 = arg7; } #endif - ret = -host_to_target_errno(posix_fadvise(arg1, - target_offset64(arg2, arg3), - target_offset64(arg4, arg5), - arg6)); - break; + ret = posix_fadvise(arg1, target_offset64(arg2, arg3), + target_offset64(arg4, arg5), arg6); + return -host_to_target_errno(ret); #endif #ifdef TARGET_NR_fadvise64 @@ -11844,10 +11532,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, arg4 = arg5; arg5 = arg6; } - ret = -host_to_target_errno(posix_fadvise(arg1, - target_offset64(arg2, arg3), - arg4, arg5)); - break; + ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); + return -host_to_target_errno(ret); #endif #else /* not a 32-bit ABI */ @@ -11867,8 +11553,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, default: break; } #endif - ret = -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); - break; + return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); #endif #endif /* end of 64-bit ABI fadvise handling */ @@ -11878,8 +11563,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, turns private file-backed mappings into anonymous mappings. This will break MADV_DONTNEED. This is a hint, so ignoring and returning success is ok. */ - ret = get_errno(0); - break; + return 0; #endif #if TARGET_ABI_BITS == 32 case TARGET_NR_fcntl64: @@ -11898,8 +11582,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, cmd = target_to_host_fcntl_cmd(arg2); if (cmd == -TARGET_EINVAL) { - ret = cmd; - break; + return cmd; } switch(arg2) { @@ -11926,27 +11609,20 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = do_fcntl(arg1, arg2, arg3); break; } - break; + return ret; } #endif #ifdef TARGET_NR_cacheflush case TARGET_NR_cacheflush: /* self-modifying code is handled automatically, so nothing needed */ - ret = 0; - break; -#endif -#ifdef TARGET_NR_security - case TARGET_NR_security: - goto unimplemented; + return 0; #endif #ifdef TARGET_NR_getpagesize case TARGET_NR_getpagesize: - ret = TARGET_PAGE_SIZE; - break; + return TARGET_PAGE_SIZE; #endif case TARGET_NR_gettid: - ret = get_errno(gettid()); - break; + return get_errno(gettid()); #ifdef TARGET_NR_readahead case TARGET_NR_readahead: #if TARGET_ABI_BITS == 32 @@ -11959,7 +11635,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(readahead(arg1, arg2, arg3)); #endif - break; + return ret; #endif #ifdef CONFIG_ATTR #ifdef TARGET_NR_setxattr @@ -11970,8 +11646,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg2) { b = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!b) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } p = lock_user_string(arg1); @@ -11986,7 +11661,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user(p, arg1, 0); unlock_user(b, arg2, arg3); - break; + return ret; } case TARGET_NR_flistxattr: { @@ -11994,13 +11669,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg2) { b = lock_user(VERIFY_WRITE, arg2, arg3, 0); if (!b) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } ret = get_errno(flistxattr(arg1, b, arg3)); unlock_user(b, arg2, arg3); - break; + return ret; } case TARGET_NR_setxattr: case TARGET_NR_lsetxattr: @@ -12009,8 +11683,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg3) { v = lock_user(VERIFY_READ, arg3, arg4, 1); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } p = lock_user_string(arg1); @@ -12028,15 +11701,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, 0); } - break; + return ret; case TARGET_NR_fsetxattr: { void *n, *v = 0; if (arg3) { v = lock_user(VERIFY_READ, arg3, arg4, 1); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } n = lock_user_string(arg2); @@ -12048,7 +11720,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, 0); } - break; + return ret; case TARGET_NR_getxattr: case TARGET_NR_lgetxattr: { @@ -12056,8 +11728,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg3) { v = lock_user(VERIFY_WRITE, arg3, arg4, 0); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } p = lock_user_string(arg1); @@ -12075,15 +11746,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, arg4); } - break; + return ret; case TARGET_NR_fgetxattr: { void *n, *v = 0; if (arg3) { v = lock_user(VERIFY_WRITE, arg3, arg4, 0); if (!v) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } } n = lock_user_string(arg2); @@ -12095,7 +11765,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(n, arg2, 0); unlock_user(v, arg3, arg4); } - break; + return ret; case TARGET_NR_removexattr: case TARGET_NR_lremovexattr: { @@ -12114,7 +11784,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); unlock_user(n, arg2, 0); } - break; + return ret; case TARGET_NR_fremovexattr: { void *n; @@ -12126,15 +11796,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user(n, arg2, 0); } - break; + return ret; #endif #endif /* CONFIG_ATTR */ #ifdef TARGET_NR_set_thread_area case TARGET_NR_set_thread_area: #if defined(TARGET_MIPS) ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; - ret = 0; - break; + return 0; #elif defined(TARGET_CRIS) if (arg1 & 0xff) ret = -TARGET_EINVAL; @@ -12142,39 +11811,35 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; ret = 0; } - break; + return ret; #elif defined(TARGET_I386) && defined(TARGET_ABI32) - ret = do_set_thread_area(cpu_env, arg1); - break; + return do_set_thread_area(cpu_env, arg1); #elif defined(TARGET_M68K) { TaskState *ts = cpu->opaque; ts->tp_value = arg1; - ret = 0; - break; + return 0; } #else - goto unimplemented_nowarn; + return -TARGET_ENOSYS; #endif #endif #ifdef TARGET_NR_get_thread_area case TARGET_NR_get_thread_area: #if defined(TARGET_I386) && defined(TARGET_ABI32) - ret = do_get_thread_area(cpu_env, arg1); - break; + return do_get_thread_area(cpu_env, arg1); #elif defined(TARGET_M68K) { TaskState *ts = cpu->opaque; - ret = ts->tp_value; - break; + return ts->tp_value; } #else - goto unimplemented_nowarn; + return -TARGET_ENOSYS; #endif #endif #ifdef TARGET_NR_getdomainname case TARGET_NR_getdomainname: - goto unimplemented_nowarn; + return -TARGET_ENOSYS; #endif #ifdef TARGET_NR_clock_settime @@ -12186,7 +11851,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { ret = get_errno(clock_settime(arg1, &ts)); } - break; + return ret; } #endif #ifdef TARGET_NR_clock_gettime @@ -12197,7 +11862,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { ret = host_to_target_timespec(arg2, &ts); } - break; + return ret; } #endif #ifdef TARGET_NR_clock_getres @@ -12208,7 +11873,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (!is_error(ret)) { host_to_target_timespec(arg2, &ts); } - break; + return ret; } #endif #ifdef TARGET_NR_clock_nanosleep @@ -12228,24 +11893,21 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ((CPUPPCState *)cpu_env)->crf[0] |= 1; } #endif - break; + return ret; } #endif #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) case TARGET_NR_set_tid_address: - ret = get_errno(set_tid_address((int *)g2h(arg1))); - break; + return get_errno(set_tid_address((int *)g2h(arg1))); #endif case TARGET_NR_tkill: - ret = get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); - break; + return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); case TARGET_NR_tgkill: - ret = get_errno(safe_tgkill((int)arg1, (int)arg2, - target_to_host_signal(arg3))); - break; + return get_errno(safe_tgkill((int)arg1, (int)arg2, + target_to_host_signal(arg3))); #ifdef TARGET_NR_set_robust_list case TARGET_NR_set_robust_list: @@ -12262,7 +11924,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, * holding a mutex that is shared with another process via * shared memory). */ - goto unimplemented_nowarn; + return -TARGET_ENOSYS; #endif #if defined(TARGET_NR_utimensat) @@ -12280,25 +11942,23 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); else { if (!(p = lock_user_string(arg2))) { - ret = -TARGET_EFAULT; - goto fail; + return -TARGET_EFAULT; } ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); unlock_user(p, arg2, 0); } } - break; + return ret; #endif case TARGET_NR_futex: - ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); - break; + return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) case TARGET_NR_inotify_init: ret = get_errno(sys_inotify_init()); if (ret >= 0) { fd_trans_register(ret, &target_inotify_trans); } - break; + return ret; #endif #ifdef CONFIG_INOTIFY1 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) @@ -12308,7 +11968,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_register(ret, &target_inotify_trans); } - break; + return ret; #endif #endif #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) @@ -12316,12 +11976,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, p = lock_user_string(arg2); ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); unlock_user(p, arg2, 0); - break; + return ret; #endif #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) case TARGET_NR_inotify_rm_watch: - ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); - break; + return get_errno(sys_inotify_rm_watch(arg1, arg2)); #endif #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) @@ -12335,28 +11994,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, pposix_mq_attr = NULL; if (arg4) { if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { - goto efault; + return -TARGET_EFAULT; } pposix_mq_attr = &posix_mq_attr; } p = lock_user_string(arg1 - 1); if (!p) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); unlock_user (p, arg1, 0); } - break; + return ret; case TARGET_NR_mq_unlink: p = lock_user_string(arg1 - 1); if (!p) { - ret = -TARGET_EFAULT; - break; + return -TARGET_EFAULT; } ret = get_errno(mq_unlink(p)); unlock_user (p, arg1, 0); - break; + return ret; case TARGET_NR_mq_timedsend: { @@ -12372,7 +12030,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } unlock_user (p, arg2, arg3); } - break; + return ret; case TARGET_NR_mq_timedreceive: { @@ -12393,7 +12051,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg4 != 0) put_user_u32(prio, arg4); } - break; + return ret; /* Not implemented for now... */ /* case TARGET_NR_mq_notify: */ @@ -12414,7 +12072,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, copy_to_user_mq_attr(arg3, &posix_mq_attr_out); } } - break; + return ret; #endif #ifdef CONFIG_SPLICE @@ -12423,7 +12081,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, { ret = get_errno(tee(arg1,arg2,arg3,arg4)); } - break; + return ret; #endif #ifdef TARGET_NR_splice case TARGET_NR_splice: @@ -12432,29 +12090,29 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, loff_t *ploff_in = NULL, *ploff_out = NULL; if (arg2) { if (get_user_u64(loff_in, arg2)) { - goto efault; + return -TARGET_EFAULT; } ploff_in = &loff_in; } if (arg4) { if (get_user_u64(loff_out, arg4)) { - goto efault; + return -TARGET_EFAULT; } ploff_out = &loff_out; } ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); if (arg2) { if (put_user_u64(loff_in, arg2)) { - goto efault; + return -TARGET_EFAULT; } } if (arg4) { if (put_user_u64(loff_out, arg4)) { - goto efault; + return -TARGET_EFAULT; } } } - break; + return ret; #endif #ifdef TARGET_NR_vmsplice case TARGET_NR_vmsplice: @@ -12467,7 +12125,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(errno); } } - break; + return ret; #endif #endif /* CONFIG_SPLICE */ #ifdef CONFIG_EVENTFD @@ -12477,7 +12135,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_register(ret, &target_eventfd_trans); } - break; + return ret; #endif #if defined(TARGET_NR_eventfd2) case TARGET_NR_eventfd2: @@ -12493,7 +12151,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (ret >= 0) { fd_trans_register(ret, &target_eventfd_trans); } - break; + return ret; } #endif #endif /* CONFIG_EVENTFD */ @@ -12505,7 +12163,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); #endif - break; + return ret; #endif #if defined(CONFIG_SYNC_FILE_RANGE) #if defined(TARGET_NR_sync_file_range) @@ -12521,7 +12179,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); #endif - break; + return ret; #endif #if defined(TARGET_NR_sync_file_range2) case TARGET_NR_sync_file_range2: @@ -12532,29 +12190,25 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #else ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); #endif - break; + return ret; #endif #endif #if defined(TARGET_NR_signalfd4) case TARGET_NR_signalfd4: - ret = do_signalfd4(arg1, arg2, arg4); - break; + return do_signalfd4(arg1, arg2, arg4); #endif #if defined(TARGET_NR_signalfd) case TARGET_NR_signalfd: - ret = do_signalfd4(arg1, arg2, 0); - break; + return do_signalfd4(arg1, arg2, 0); #endif #if defined(CONFIG_EPOLL) #if defined(TARGET_NR_epoll_create) case TARGET_NR_epoll_create: - ret = get_errno(epoll_create(arg1)); - break; + return get_errno(epoll_create(arg1)); #endif #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) case TARGET_NR_epoll_create1: - ret = get_errno(epoll_create1(arg1)); - break; + return get_errno(epoll_create1(arg1)); #endif #if defined(TARGET_NR_epoll_ctl) case TARGET_NR_epoll_ctl: @@ -12564,7 +12218,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg4) { struct target_epoll_event *target_ep; if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { - goto efault; + return -TARGET_EFAULT; } ep.events = tswap32(target_ep->events); /* The epoll_data_t union is just opaque data to the kernel, @@ -12575,8 +12229,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user_struct(target_ep, arg4, 0); epp = &ep; } - ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); - break; + return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); } #endif @@ -12595,21 +12248,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, int timeout = arg4; if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { - ret = -TARGET_EINVAL; - break; + return -TARGET_EINVAL; } target_ep = lock_user(VERIFY_WRITE, arg2, maxevents * sizeof(struct target_epoll_event), 1); if (!target_ep) { - goto efault; + return -TARGET_EFAULT; } ep = g_try_new(struct epoll_event, maxevents); if (!ep) { unlock_user(target_ep, arg2, 0); - ret = -TARGET_ENOMEM; - break; + return -TARGET_ENOMEM; } switch (num) { @@ -12663,7 +12314,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, unlock_user(target_ep, arg2, 0); } g_free(ep); - break; + return ret; } #endif #endif @@ -12676,7 +12327,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, int resource = target_to_host_resource(arg2); if (arg3) { if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { - goto efault; + return -TARGET_EFAULT; } rnew.rlim_cur = tswap64(target_rnew->rlim_cur); rnew.rlim_max = tswap64(target_rnew->rlim_max); @@ -12687,13 +12338,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); if (!is_error(ret) && arg4) { if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { - goto efault; + return -TARGET_EFAULT; } target_rold->rlim_cur = tswap64(rold.rlim_cur); target_rold->rlim_max = tswap64(rold.rlim_max); unlock_user_struct(target_rold, arg4, 1); } - break; + return ret; } #endif #ifdef TARGET_NR_gethostname @@ -12706,7 +12357,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } else { ret = -TARGET_EFAULT; } - break; + return ret; } #endif #ifdef TARGET_NR_atomic_cmpxchg_32 @@ -12727,17 +12378,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } if (mem_value == arg2) put_user_u32(arg1, arg6); - ret = mem_value; - break; + return mem_value; } #endif #ifdef TARGET_NR_atomic_barrier case TARGET_NR_atomic_barrier: - { - /* Like the kernel implementation and the qemu arm barrier, no-op this? */ - ret = 0; - break; - } + /* Like the kernel implementation and the + qemu arm barrier, no-op this? */ + return 0; #endif #ifdef TARGET_NR_timer_create @@ -12759,7 +12407,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, phost_sevp = &host_sevp; ret = target_to_host_sigevent(phost_sevp, arg2); if (ret != 0) { - break; + return ret; } } @@ -12768,11 +12416,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, phtimer = NULL; } else { if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { - goto efault; + return -TARGET_EFAULT; } } } - break; + return ret; } #endif @@ -12792,15 +12440,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; if (target_to_host_itimerspec(&hspec_new, arg3)) { - goto efault; + return -TARGET_EFAULT; } ret = get_errno( timer_settime(htimer, arg2, &hspec_new, &hspec_old)); if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; } #endif @@ -12823,7 +12471,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -TARGET_EFAULT; } } - break; + return ret; } #endif @@ -12840,7 +12488,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(timer_getoverrun(htimer)); } fd_trans_unregister(ret); - break; + return ret; } #endif @@ -12857,15 +12505,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(timer_delete(htimer)); g_posix_timers[timerid] = 0; } - break; + return ret; } #endif #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) case TARGET_NR_timerfd_create: - ret = get_errno(timerfd_create(arg1, - target_to_host_bitmask(arg2, fcntl_flags_tbl))); - break; + return get_errno(timerfd_create(arg1, + target_to_host_bitmask(arg2, fcntl_flags_tbl))); #endif #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) @@ -12876,10 +12523,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(timerfd_gettime(arg1, &its_curr)); if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) @@ -12889,7 +12536,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, if (arg3) { if (target_to_host_itimerspec(&its_new, arg3)) { - goto efault; + return -TARGET_EFAULT; } p_new = &its_new; } else { @@ -12899,64 +12546,82 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { - goto efault; + return -TARGET_EFAULT; } } - break; + return ret; #endif #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) case TARGET_NR_ioprio_get: - ret = get_errno(ioprio_get(arg1, arg2)); - break; + return get_errno(ioprio_get(arg1, arg2)); #endif #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) case TARGET_NR_ioprio_set: - ret = get_errno(ioprio_set(arg1, arg2, arg3)); - break; + return get_errno(ioprio_set(arg1, arg2, arg3)); #endif #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) case TARGET_NR_setns: - ret = get_errno(setns(arg1, arg2)); - break; + return get_errno(setns(arg1, arg2)); #endif #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) case TARGET_NR_unshare: - ret = get_errno(unshare(arg1)); - break; + return get_errno(unshare(arg1)); #endif #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) case TARGET_NR_kcmp: - ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); - break; + return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); #endif #ifdef TARGET_NR_swapcontext case TARGET_NR_swapcontext: /* PowerPC specific. */ - ret = do_swapcontext(cpu_env, arg1, arg2, arg3); - break; + return do_swapcontext(cpu_env, arg1, arg2, arg3); #endif default: - unimplemented: qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); -#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) - unimplemented_nowarn: -#endif - ret = -TARGET_ENOSYS; - break; + return -TARGET_ENOSYS; + } + return ret; +} + +abi_long do_syscall(void *cpu_env, int num, abi_long arg1, + abi_long arg2, abi_long arg3, abi_long arg4, + abi_long arg5, abi_long arg6, abi_long arg7, + abi_long arg8) +{ + CPUState *cpu = ENV_GET_CPU(cpu_env); + abi_long ret; + +#ifdef DEBUG_ERESTARTSYS + /* Debug-only code for exercising the syscall-restart code paths + * in the per-architecture cpu main loops: restart every syscall + * the guest makes once before letting it through. + */ + { + static bool flag; + flag = !flag; + if (flag) { + return -TARGET_ERESTARTSYS; + } } -fail: -#ifdef DEBUG - gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); #endif - if(do_strace) + + trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, + arg5, arg6, arg7, arg8); + + if (unlikely(do_strace)) { + print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); + ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, + arg5, arg6, arg7, arg8); print_syscall_ret(num, ret); + } else { + ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, + arg5, arg6, arg7, arg8); + } + trace_guest_user_syscall_ret(cpu, num, ret); return ret; -efault: - ret = -TARGET_EFAULT; - goto fail; } |