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Diffstat (limited to 'sim/syscall_emul.hh')
| -rw-r--r-- | sim/syscall_emul.hh | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/sim/syscall_emul.hh b/sim/syscall_emul.hh deleted file mode 100644 index 35129bcb4..000000000 --- a/sim/syscall_emul.hh +++ /dev/null @@ -1,832 +0,0 @@ -/* - * Copyright (c) 2003-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __SIM_SYSCALL_EMUL_HH__ -#define __SIM_SYSCALL_EMUL_HH__ - -#define BSD_HOST (defined(__APPLE__) || defined(__OpenBSD__) || \ - defined(__FreeBSD__)) - -/// -/// @file syscall_emul.hh -/// -/// This file defines objects used to emulate syscalls from the target -/// application on the host machine. - -#include <errno.h> -#include <string> -#ifdef __CYGWIN32__ -#include <sys/fcntl.h> // for O_BINARY -#endif -#include <sys/uio.h> - -#include "base/intmath.hh" // for RoundUp -#include "mem/functional/functional.hh" -#include "arch/isa_traits.hh" // for Addr - -#include "base/trace.hh" -#include "cpu/exec_context.hh" -#include "sim/process.hh" - -/// -/// System call descriptor. -/// -class SyscallDesc { - - public: - - /// Typedef for target syscall handler functions. - typedef SyscallReturn (*FuncPtr)(SyscallDesc *, int num, - Process *, ExecContext *); - - const char *name; //!< Syscall name (e.g., "open"). - FuncPtr funcPtr; //!< Pointer to emulation function. - int flags; //!< Flags (see Flags enum). - - /// Flag values for controlling syscall behavior. - enum Flags { - /// Don't set return regs according to funcPtr return value. - /// Used for syscalls with non-standard return conventions - /// that explicitly set the ExecContext regs (e.g., - /// sigreturn). - SuppressReturnValue = 1 - }; - - /// Constructor. - SyscallDesc(const char *_name, FuncPtr _funcPtr, int _flags = 0) - : name(_name), funcPtr(_funcPtr), flags(_flags) - { - } - - /// Emulate the syscall. Public interface for calling through funcPtr. - void doSyscall(int callnum, Process *proc, ExecContext *xc); -}; - - -class BaseBufferArg { - - public: - - BaseBufferArg(Addr _addr, int _size) : addr(_addr), size(_size) - { - bufPtr = new uint8_t[size]; - // clear out buffer: in case we only partially populate this, - // and then do a copyOut(), we want to make sure we don't - // introduce any random junk into the simulated address space - memset(bufPtr, 0, size); - } - - virtual ~BaseBufferArg() { delete [] bufPtr; } - - // - // copy data into simulator space (read from target memory) - // - virtual bool copyIn(FunctionalMemory *mem) - { - mem->access(Read, addr, bufPtr, size); - return true; // no EFAULT detection for now - } - - // - // copy data out of simulator space (write to target memory) - // - virtual bool copyOut(FunctionalMemory *mem) - { - mem->access(Write, addr, bufPtr, size); - return true; // no EFAULT detection for now - } - - protected: - Addr addr; - int size; - uint8_t *bufPtr; -}; - - -class BufferArg : public BaseBufferArg -{ - public: - BufferArg(Addr _addr, int _size) : BaseBufferArg(_addr, _size) { } - void *bufferPtr() { return bufPtr; } -}; - -template <class T> -class TypedBufferArg : public BaseBufferArg -{ - public: - // user can optionally specify a specific number of bytes to - // allocate to deal with those structs that have variable-size - // arrays at the end - TypedBufferArg(Addr _addr, int _size = sizeof(T)) - : BaseBufferArg(_addr, _size) - { } - - // type case - operator T*() { return (T *)bufPtr; } - - // dereference operators - T &operator*() { return *((T *)bufPtr); } - T* operator->() { return (T *)bufPtr; } - T &operator[](int i) { return ((T *)bufPtr)[i]; } -}; - -////////////////////////////////////////////////////////////////////// -// -// The following emulation functions are generic enough that they -// don't need to be recompiled for different emulated OS's. They are -// defined in sim/syscall_emul.cc. -// -////////////////////////////////////////////////////////////////////// - - -/// Handler for unimplemented syscalls that we haven't thought about. -SyscallReturn unimplementedFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Handler for unimplemented syscalls that we never intend to -/// implement (signal handling, etc.) and should not affect the correct -/// behavior of the program. Print a warning only if the appropriate -/// trace flag is enabled. Return success to the target program. -SyscallReturn ignoreFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target exit() handler: terminate simulation. -SyscallReturn exitFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getpagesize() handler. -SyscallReturn getpagesizeFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target obreak() handler: set brk address. -SyscallReturn obreakFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target close() handler. -SyscallReturn closeFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target read() handler. -SyscallReturn readFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target write() handler. -SyscallReturn writeFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target lseek() handler. -SyscallReturn lseekFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target munmap() handler. -SyscallReturn munmapFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target gethostname() handler. -SyscallReturn gethostnameFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target unlink() handler. -SyscallReturn unlinkFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target rename() handler. -SyscallReturn renameFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - - -/// Target truncate() handler. -SyscallReturn truncateFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - - -/// Target ftruncate() handler. -SyscallReturn ftruncateFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - - -/// Target chown() handler. -SyscallReturn chownFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - - -/// Target fchown() handler. -SyscallReturn fchownFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target fnctl() handler. -SyscallReturn fcntlFunc(SyscallDesc *desc, int num, - Process *process, ExecContext *xc); - -/// Target setuid() handler. -SyscallReturn setuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getpid() handler. -SyscallReturn getpidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getuid() handler. -SyscallReturn getuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getgid() handler. -SyscallReturn getgidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getppid() handler. -SyscallReturn getppidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target geteuid() handler. -SyscallReturn geteuidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getegid() handler. -SyscallReturn getegidFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - - - -/// Pseudo Funcs - These functions use a different return convension, -/// returning a second value in a register other than the normal return register -SyscallReturn pipePseudoFunc(SyscallDesc *desc, int num, - Process *process, ExecContext *xc); - -/// Target getpidPseudo() handler. -SyscallReturn getpidPseudoFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getuidPseudo() handler. -SyscallReturn getuidPseudoFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - -/// Target getgidPseudo() handler. -SyscallReturn getgidPseudoFunc(SyscallDesc *desc, int num, - Process *p, ExecContext *xc); - - -/// This struct is used to build an target-OS-dependent table that -/// maps the target's open() flags to the host open() flags. -struct OpenFlagTransTable { - int tgtFlag; //!< Target system flag value. - int hostFlag; //!< Corresponding host system flag value. -}; - - - -/// A readable name for 1,000,000, for converting microseconds to seconds. -const int one_million = 1000000; - -/// Approximate seconds since the epoch (1/1/1970). About a billion, -/// by my reckoning. We want to keep this a constant (not use the -/// real-world time) to keep simulations repeatable. -const unsigned seconds_since_epoch = 1000000000; - -/// Helper function to convert current elapsed time to seconds and -/// microseconds. -template <class T1, class T2> -void -getElapsedTime(T1 &sec, T2 &usec) -{ - int elapsed_usecs = curTick / Clock::Int::us; - sec = elapsed_usecs / one_million; - usec = elapsed_usecs % one_million; -} - -////////////////////////////////////////////////////////////////////// -// -// The following emulation functions are generic, but need to be -// templated to account for differences in types, constants, etc. -// -////////////////////////////////////////////////////////////////////// - -/// Target ioctl() handler. For the most part, programs call ioctl() -/// only to find out if their stdout is a tty, to determine whether to -/// do line or block buffering. -template <class OS> -SyscallReturn -ioctlFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int fd = xc->getSyscallArg(0); - unsigned req = xc->getSyscallArg(1); - - DPRINTF(SyscallVerbose, "ioctl(%d, 0x%x, ...)\n", fd, req); - - if (fd < 0 || process->sim_fd(fd) < 0) { - // doesn't map to any simulator fd: not a valid target fd - return -EBADF; - } - - switch (req) { - case OS::TIOCISATTY: - case OS::TIOCGETP: - case OS::TIOCSETP: - case OS::TIOCSETN: - case OS::TIOCSETC: - case OS::TIOCGETC: - case OS::TIOCGETS: - case OS::TIOCGETA: - return -ENOTTY; - - default: - fatal("Unsupported ioctl call: ioctl(%d, 0x%x, ...) @ 0x%llx\n", - fd, req, xc->readPC()); - } -} - -/// Target open() handler. -template <class OS> -SyscallReturn -openFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - - if (path == "/dev/sysdev0") { - // This is a memory-mapped high-resolution timer device on Alpha. - // We don't support it, so just punt. - warn("Ignoring open(%s, ...)\n", path); - return -ENOENT; - } - - int tgtFlags = xc->getSyscallArg(1); - int mode = xc->getSyscallArg(2); - int hostFlags = 0; - - // translate open flags - for (int i = 0; i < OS::NUM_OPEN_FLAGS; i++) { - if (tgtFlags & OS::openFlagTable[i].tgtFlag) { - tgtFlags &= ~OS::openFlagTable[i].tgtFlag; - hostFlags |= OS::openFlagTable[i].hostFlag; - } - } - - // any target flags left? - if (tgtFlags != 0) - warn("Syscall: open: cannot decode flags 0x%x", tgtFlags); - -#ifdef __CYGWIN32__ - hostFlags |= O_BINARY; -#endif - - DPRINTF(SyscallVerbose, "opening file %s\n", path.c_str()); - - // open the file - int fd = open(path.c_str(), hostFlags, mode); - - return (fd == -1) ? -errno : process->alloc_fd(fd); -} - - -/// Target chmod() handler. -template <class OS> -SyscallReturn -chmodFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - - uint32_t mode = xc->getSyscallArg(1); - mode_t hostMode = 0; - - // XXX translate mode flags via OS::something??? - hostMode = mode; - - // do the chmod - int result = chmod(path.c_str(), hostMode); - if (result < 0) - return -errno; - - return 0; -} - - -/// Target fchmod() handler. -template <class OS> -SyscallReturn -fchmodFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int fd = xc->getSyscallArg(0); - if (fd < 0 || process->sim_fd(fd) < 0) { - // doesn't map to any simulator fd: not a valid target fd - return -EBADF; - } - - uint32_t mode = xc->getSyscallArg(1); - mode_t hostMode = 0; - - // XXX translate mode flags via OS::someting??? - hostMode = mode; - - // do the fchmod - int result = fchmod(process->sim_fd(fd), hostMode); - if (result < 0) - return -errno; - - return 0; -} - - -/// Target stat() handler. -template <class OS> -SyscallReturn -statFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - - struct stat hostBuf; - int result = stat(path.c_str(), &hostBuf); - - if (result < 0) - return -errno; - - OS::copyOutStatBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf); - - return 0; -} - - -/// Target fstat64() handler. -template <class OS> -SyscallReturn -fstat64Func(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int fd = xc->getSyscallArg(0); - if (fd < 0 || process->sim_fd(fd) < 0) { - // doesn't map to any simulator fd: not a valid target fd - return -EBADF; - } - -#if BSD_HOST - struct stat hostBuf; - int result = fstat(process->sim_fd(fd), &hostBuf); -#else - struct stat64 hostBuf; - int result = fstat64(process->sim_fd(fd), &hostBuf); -#endif - - if (result < 0) - return -errno; - - OS::copyOutStat64Buf(xc->getMemPtr(), fd, xc->getSyscallArg(1), &hostBuf); - - return 0; -} - - -/// Target lstat() handler. -template <class OS> -SyscallReturn -lstatFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - - struct stat hostBuf; - int result = lstat(path.c_str(), &hostBuf); - - if (result < 0) - return -errno; - - OS::copyOutStatBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf); - - return 0; -} - -/// Target lstat64() handler. -template <class OS> -SyscallReturn -lstat64Func(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - -#if BSD_HOST - struct stat hostBuf; - int result = lstat(path.c_str(), &hostBuf); -#else - struct stat64 hostBuf; - int result = lstat64(path.c_str(), &hostBuf); -#endif - - if (result < 0) - return -errno; - - OS::copyOutStat64Buf(xc->getMemPtr(), -1, xc->getSyscallArg(1), &hostBuf); - - return 0; -} - -/// Target fstat() handler. -template <class OS> -SyscallReturn -fstatFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int fd = process->sim_fd(xc->getSyscallArg(0)); - - DPRINTF(SyscallVerbose, "fstat(%d, ...)\n", fd); - - if (fd < 0) - return -EBADF; - - struct stat hostBuf; - int result = fstat(fd, &hostBuf); - - if (result < 0) - return -errno; - - OS::copyOutStatBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf); - return 0; -} - - -/// Target statfs() handler. -template <class OS> -SyscallReturn -statfsFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - - struct statfs hostBuf; - int result = statfs(path.c_str(), &hostBuf); - - if (result < 0) - return -errno; - - OS::copyOutStatfsBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf); - - return 0; -} - - -/// Target fstatfs() handler. -template <class OS> -SyscallReturn -fstatfsFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int fd = process->sim_fd(xc->getSyscallArg(0)); - - if (fd < 0) - return -EBADF; - - struct statfs hostBuf; - int result = fstatfs(fd, &hostBuf); - - if (result < 0) - return -errno; - - OS::copyOutStatfsBuf(xc->getMemPtr(), xc->getSyscallArg(1), &hostBuf); - - return 0; -} - - -/// Target writev() handler. -template <class OS> -SyscallReturn -writevFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int fd = xc->getSyscallArg(0); - if (fd < 0 || process->sim_fd(fd) < 0) { - // doesn't map to any simulator fd: not a valid target fd - return -EBADF; - } - - uint64_t tiov_base = xc->getSyscallArg(1); - size_t count = xc->getSyscallArg(2); - struct iovec hiov[count]; - for (int i = 0; i < count; ++i) - { - typename OS::tgt_iovec tiov; - xc->getMemPtr()->access(Read, tiov_base + i*sizeof(typename OS::tgt_iovec), - &tiov, sizeof(typename OS::tgt_iovec)); - hiov[i].iov_len = gtoh(tiov.iov_len); - hiov[i].iov_base = new char [hiov[i].iov_len]; - xc->getMemPtr()->access(Read, gtoh(tiov.iov_base), - hiov[i].iov_base, hiov[i].iov_len); - } - - int result = writev(process->sim_fd(fd), hiov, count); - - for (int i = 0; i < count; ++i) - { - delete [] (char *)hiov[i].iov_base; - } - - if (result < 0) - return -errno; - - return 0; -} - - -/// Target mmap() handler. -/// -/// We don't really handle mmap(). If the target is mmaping an -/// anonymous region or /dev/zero, we can get away with doing basically -/// nothing (since memory is initialized to zero and the simulator -/// doesn't really check addresses anyway). Always print a warning, -/// since this could be seriously broken if we're not mapping -/// /dev/zero. -// -/// Someday we should explicitly check for /dev/zero in open, flag the -/// file descriptor, and fail (or implement!) a non-anonymous mmap to -/// anything else. -template <class OS> -SyscallReturn -mmapFunc(SyscallDesc *desc, int num, Process *p, ExecContext *xc) -{ - Addr start = xc->getSyscallArg(0); - uint64_t length = xc->getSyscallArg(1); - // int prot = xc->getSyscallArg(2); - int flags = xc->getSyscallArg(3); - // int fd = p->sim_fd(xc->getSyscallArg(4)); - // int offset = xc->getSyscallArg(5); - - if (start == 0) { - // user didn't give an address... pick one from our "mmap region" - start = p->mmap_end; - p->mmap_end += roundUp(length, TheISA::VMPageSize); - if (p->nxm_start != 0) { - //If we have an nxm space, make sure we haven't colided - assert(p->mmap_end < p->nxm_start); - } - } - - if (!(flags & OS::TGT_MAP_ANONYMOUS)) { - warn("allowing mmap of file @ fd %d. " - "This will break if not /dev/zero.", xc->getSyscallArg(4)); - } - - return start; -} - -/// Target getrlimit() handler. -template <class OS> -SyscallReturn -getrlimitFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - unsigned resource = xc->getSyscallArg(0); - TypedBufferArg<typename OS::rlimit> rlp(xc->getSyscallArg(1)); - - switch (resource) { - case OS::TGT_RLIMIT_STACK: - // max stack size in bytes: make up a number (2MB for now) - rlp->rlim_cur = rlp->rlim_max = 8 * 1024 * 1024; - rlp->rlim_cur = htog(rlp->rlim_cur); - rlp->rlim_max = htog(rlp->rlim_max); - break; - - default: - std::cerr << "getrlimitFunc: unimplemented resource " << resource - << std::endl; - abort(); - break; - } - - rlp.copyOut(xc->getMemPtr()); - return 0; -} - -/// Target gettimeofday() handler. -template <class OS> -SyscallReturn -gettimeofdayFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - TypedBufferArg<typename OS::timeval> tp(xc->getSyscallArg(0)); - - getElapsedTime(tp->tv_sec, tp->tv_usec); - tp->tv_sec += seconds_since_epoch; - tp->tv_sec = htog(tp->tv_sec); - tp->tv_usec = htog(tp->tv_usec); - - tp.copyOut(xc->getMemPtr()); - - return 0; -} - - -/// Target utimes() handler. -template <class OS> -SyscallReturn -utimesFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - std::string path; - - if (xc->getMemPtr()->readString(path, xc->getSyscallArg(0)) != NoFault) - return -EFAULT; - - TypedBufferArg<typename OS::timeval [2]> tp(xc->getSyscallArg(1)); - tp.copyIn(xc->getMemPtr()); - - struct timeval hostTimeval[2]; - for (int i = 0; i < 2; ++i) - { - hostTimeval[i].tv_sec = gtoh((*tp)[i].tv_sec); - hostTimeval[i].tv_usec = gtoh((*tp)[i].tv_usec); - } - int result = utimes(path.c_str(), hostTimeval); - - if (result < 0) - return -errno; - - return 0; -} -/// Target getrusage() function. -template <class OS> -SyscallReturn -getrusageFunc(SyscallDesc *desc, int callnum, Process *process, - ExecContext *xc) -{ - int who = xc->getSyscallArg(0); // THREAD, SELF, or CHILDREN - TypedBufferArg<typename OS::rusage> rup(xc->getSyscallArg(1)); - - if (who != OS::TGT_RUSAGE_SELF) { - // don't really handle THREAD or CHILDREN, but just warn and - // plow ahead - warn("getrusage() only supports RUSAGE_SELF. Parameter %d ignored.", - who); - } - - getElapsedTime(rup->ru_utime.tv_sec, rup->ru_utime.tv_usec); - rup->ru_utime.tv_sec = htog(rup->ru_utime.tv_sec); - rup->ru_utime.tv_usec = htog(rup->ru_utime.tv_usec); - - rup->ru_stime.tv_sec = 0; - rup->ru_stime.tv_usec = 0; - rup->ru_maxrss = 0; - rup->ru_ixrss = 0; - rup->ru_idrss = 0; - rup->ru_isrss = 0; - rup->ru_minflt = 0; - rup->ru_majflt = 0; - rup->ru_nswap = 0; - rup->ru_inblock = 0; - rup->ru_oublock = 0; - rup->ru_msgsnd = 0; - rup->ru_msgrcv = 0; - rup->ru_nsignals = 0; - rup->ru_nvcsw = 0; - rup->ru_nivcsw = 0; - - rup.copyOut(xc->getMemPtr()); - - return 0; -} - -#endif // __SIM_SYSCALL_EMUL_HH__ |