syscall_emul.hh (13571:a320800ceccf) syscall_emul.hh (13572:14ddf44aaebc)
1/*
2 * Copyright (c) 2012-2013, 2015 ARM Limited
3 * Copyright (c) 2015 Advanced Micro Devices, Inc.
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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1526 if (result < 0)
1527 return -errno;
1528
1529 copyOutStatfsBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
1530
1531 return 0;
1532}
1533
1/*
2 * Copyright (c) 2012-2013, 2015 ARM Limited
3 * Copyright (c) 2015 Advanced Micro Devices, Inc.
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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1526 if (result < 0)
1527 return -errno;
1528
1529 copyOutStatfsBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf);
1530
1531 return 0;
1532}
1533
1534/// Target readv() handler.
1535template <class OS>
1536SyscallReturn
1537readvFunc(SyscallDesc *desc, int callnum, Process *p, ThreadContext *tc)
1538{
1539 int index = 0;
1540 int tgt_fd = p->getSyscallArg(tc, index);
1534
1541
1542 auto ffdp = std::dynamic_pointer_cast<FileFDEntry>((*p->fds)[tgt_fd]);
1543 if (!ffdp)
1544 return -EBADF;
1545 int sim_fd = ffdp->getSimFD();
1546
1547 SETranslatingPortProxy &prox = tc->getMemProxy();
1548 uint64_t tiov_base = p->getSyscallArg(tc, index);
1549 size_t count = p->getSyscallArg(tc, index);
1550 typename OS::tgt_iovec tiov[count];
1551 struct iovec hiov[count];
1552 for (size_t i = 0; i < count; ++i) {
1553 prox.readBlob(tiov_base + (i * sizeof(typename OS::tgt_iovec)),
1554 (uint8_t*)&tiov[i], sizeof(typename OS::tgt_iovec));
1555 hiov[i].iov_len = TheISA::gtoh(tiov[i].iov_len);
1556 hiov[i].iov_base = new char [hiov[i].iov_len];
1557 }
1558
1559 int result = readv(sim_fd, hiov, count);
1560 int local_errno = errno;
1561
1562 for (size_t i = 0; i < count; ++i) {
1563 if (result != -1) {
1564 prox.writeBlob(TheISA::htog(tiov[i].iov_base),
1565 (uint8_t*)hiov[i].iov_base, hiov[i].iov_len);
1566 }
1567 delete [] (char *)hiov[i].iov_base;
1568 }
1569
1570 return (result == -1) ? -local_errno : result;
1571}
1572
1535/// Target writev() handler.
1536template <class OS>
1537SyscallReturn
1538writevFunc(SyscallDesc *desc, int callnum, Process *p, ThreadContext *tc)
1539{
1540 int index = 0;
1541 int tgt_fd = p->getSyscallArg(tc, index);
1542

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1560 hiov[i].iov_len);
1561 }
1562
1563 int result = writev(sim_fd, hiov, count);
1564
1565 for (size_t i = 0; i < count; ++i)
1566 delete [] (char *)hiov[i].iov_base;
1567
1573/// Target writev() handler.
1574template <class OS>
1575SyscallReturn
1576writevFunc(SyscallDesc *desc, int callnum, Process *p, ThreadContext *tc)
1577{
1578 int index = 0;
1579 int tgt_fd = p->getSyscallArg(tc, index);
1580

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1598 hiov[i].iov_len);
1599 }
1600
1601 int result = writev(sim_fd, hiov, count);
1602
1603 for (size_t i = 0; i < count; ++i)
1604 delete [] (char *)hiov[i].iov_base;
1605
1568 if (result < 0)
1569 return -errno;
1570
1571 return result;
1606 return (result == -1) ? -errno : result;
1572}
1573
1574/// Real mmap handler.
1575template <class OS>
1576SyscallReturn
1577mmapImpl(SyscallDesc *desc, int num, Process *p, ThreadContext *tc,
1578 bool is_mmap2)
1579{

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1608
1609/// Real mmap handler.
1610template <class OS>
1611SyscallReturn
1612mmapImpl(SyscallDesc *desc, int num, Process *p, ThreadContext *tc,
1613 bool is_mmap2)
1614{

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