2003-12-02 04:34:38 +01:00
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/*
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2005-03-10 20:20:12 +01:00
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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2003-12-02 04:34:38 +01:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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2005-01-15 00:34:56 +01:00
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#ifndef __SIM_SYSCALL_EMUL_HH__
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#define __SIM_SYSCALL_EMUL_HH__
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2003-12-02 04:34:38 +01:00
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2006-02-10 20:21:32 +01:00
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#define BSD_HOST (defined(__APPLE__) || defined(__OpenBSD__) || \
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defined(__FreeBSD__))
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2003-12-02 04:34:38 +01:00
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///
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/// @file syscall_emul.hh
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///
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/// This file defines objects used to emulate syscalls from the target
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/// application on the host machine.
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2005-01-15 00:34:56 +01:00
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#include <errno.h>
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2003-12-02 04:34:38 +01:00
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#include <string>
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2005-06-30 06:42:27 +02:00
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#ifdef __CYGWIN32__
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#include <sys/fcntl.h> // for O_BINARY
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#endif
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2005-11-22 18:08:08 +01:00
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#include <sys/uio.h>
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2003-12-02 04:34:38 +01:00
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2006-02-12 18:40:58 +01:00
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#include "arch/isa_traits.hh" // for Addr
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2006-03-15 23:04:50 +01:00
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#include "base/chunk_generator.hh"
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#include "base/intmath.hh" // for RoundUp
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2006-03-12 23:21:59 +01:00
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#include "base/misc.hh"
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2005-01-15 00:34:56 +01:00
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#include "base/trace.hh"
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2006-02-16 04:05:23 +01:00
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#include "cpu/base.hh"
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2006-03-15 23:04:50 +01:00
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#include "cpu/exec_context.hh"
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#include "mem/translating_port.hh"
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#include "mem/page_table.hh"
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2005-01-15 00:34:56 +01:00
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#include "sim/process.hh"
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2003-12-02 04:34:38 +01:00
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///
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/// System call descriptor.
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///
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class SyscallDesc {
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public:
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2003-12-02 07:39:27 +01:00
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/// Typedef for target syscall handler functions.
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2005-03-09 21:52:10 +01:00
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typedef SyscallReturn (*FuncPtr)(SyscallDesc *, int num,
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2003-12-02 04:34:38 +01:00
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Process *, ExecContext *);
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const char *name; //!< Syscall name (e.g., "open").
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FuncPtr funcPtr; //!< Pointer to emulation function.
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int flags; //!< Flags (see Flags enum).
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/// Flag values for controlling syscall behavior.
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enum Flags {
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/// Don't set return regs according to funcPtr return value.
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/// Used for syscalls with non-standard return conventions
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/// that explicitly set the ExecContext regs (e.g.,
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/// sigreturn).
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SuppressReturnValue = 1
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};
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/// Constructor.
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SyscallDesc(const char *_name, FuncPtr _funcPtr, int _flags = 0)
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: name(_name), funcPtr(_funcPtr), flags(_flags)
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{
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}
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/// Emulate the syscall. Public interface for calling through funcPtr.
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void doSyscall(int callnum, Process *proc, ExecContext *xc);
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};
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class BaseBufferArg {
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public:
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BaseBufferArg(Addr _addr, int _size) : addr(_addr), size(_size)
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{
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bufPtr = new uint8_t[size];
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// clear out buffer: in case we only partially populate this,
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// and then do a copyOut(), we want to make sure we don't
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// introduce any random junk into the simulated address space
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memset(bufPtr, 0, size);
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}
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virtual ~BaseBufferArg() { delete [] bufPtr; }
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//
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// copy data into simulator space (read from target memory)
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//
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2006-02-21 05:26:39 +01:00
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virtual bool copyIn(TranslatingPort *memport)
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2003-12-02 04:34:38 +01:00
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{
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2006-03-12 22:38:16 +01:00
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memport->readBlob(addr, bufPtr, size);
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2003-12-02 04:34:38 +01:00
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return true; // no EFAULT detection for now
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}
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//
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// copy data out of simulator space (write to target memory)
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//
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2006-02-21 05:26:39 +01:00
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virtual bool copyOut(TranslatingPort *memport)
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2003-12-02 04:34:38 +01:00
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{
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2006-03-12 22:38:16 +01:00
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memport->writeBlob(addr, bufPtr, size);
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2003-12-02 04:34:38 +01:00
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return true; // no EFAULT detection for now
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}
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protected:
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Addr addr;
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int size;
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uint8_t *bufPtr;
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};
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class BufferArg : public BaseBufferArg
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{
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public:
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BufferArg(Addr _addr, int _size) : BaseBufferArg(_addr, _size) { }
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void *bufferPtr() { return bufPtr; }
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};
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template <class T>
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class TypedBufferArg : public BaseBufferArg
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{
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public:
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// user can optionally specify a specific number of bytes to
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// allocate to deal with those structs that have variable-size
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// arrays at the end
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TypedBufferArg(Addr _addr, int _size = sizeof(T))
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: BaseBufferArg(_addr, _size)
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{ }
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// type case
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operator T*() { return (T *)bufPtr; }
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// dereference operators
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2004-02-03 00:55:35 +01:00
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T &operator*() { return *((T *)bufPtr); }
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2003-12-02 04:34:38 +01:00
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T* operator->() { return (T *)bufPtr; }
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2004-02-03 00:55:35 +01:00
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T &operator[](int i) { return ((T *)bufPtr)[i]; }
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2003-12-02 04:34:38 +01:00
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};
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//////////////////////////////////////////////////////////////////////
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//
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// The following emulation functions are generic enough that they
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// don't need to be recompiled for different emulated OS's. They are
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// defined in sim/syscall_emul.cc.
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//
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//////////////////////////////////////////////////////////////////////
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2003-12-02 07:39:27 +01:00
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/// Handler for unimplemented syscalls that we haven't thought about.
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2005-06-03 22:19:34 +02:00
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SyscallReturn unimplementedFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Handler for unimplemented syscalls that we never intend to
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/// implement (signal handling, etc.) and should not affect the correct
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/// behavior of the program. Print a warning only if the appropriate
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/// trace flag is enabled. Return success to the target program.
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2005-06-03 22:19:34 +02:00
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SyscallReturn ignoreFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 04:34:38 +01:00
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2003-12-02 07:39:27 +01:00
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/// Target exit() handler: terminate simulation.
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2005-06-03 22:19:34 +02:00
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SyscallReturn exitFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target getpagesize() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn getpagesizeFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target obreak() handler: set brk address.
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2005-06-03 22:19:34 +02:00
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SyscallReturn obreakFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target close() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn closeFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target read() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn readFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target write() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn writeFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target lseek() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn lseekFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target munmap() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn munmapFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 07:39:27 +01:00
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/// Target gethostname() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn gethostnameFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2003-12-02 04:34:38 +01:00
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2004-02-05 18:16:17 +01:00
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/// Target unlink() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn unlinkFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2004-02-05 18:16:17 +01:00
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/// Target rename() handler.
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2005-06-03 22:19:34 +02:00
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SyscallReturn renameFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target truncate() handler.
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SyscallReturn truncateFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target ftruncate() handler.
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SyscallReturn ftruncateFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2004-02-05 18:16:17 +01:00
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2005-11-22 18:08:08 +01:00
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/// Target chown() handler.
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SyscallReturn chownFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target fchown() handler.
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SyscallReturn fchownFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2006-02-19 05:44:22 +01:00
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/// Target fnctl() handler.
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SyscallReturn fcntlFunc(SyscallDesc *desc, int num,
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Process *process, ExecContext *xc);
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2006-03-09 21:42:09 +01:00
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/// Target setuid() handler.
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SyscallReturn setuidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getpid() handler.
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SyscallReturn getpidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getuid() handler.
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SyscallReturn getuidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getgid() handler.
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SyscallReturn getgidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getppid() handler.
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SyscallReturn getppidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target geteuid() handler.
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SyscallReturn geteuidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getegid() handler.
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SyscallReturn getegidFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Pseudo Funcs - These functions use a different return convension,
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/// returning a second value in a register other than the normal return register
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SyscallReturn pipePseudoFunc(SyscallDesc *desc, int num,
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Process *process, ExecContext *xc);
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/// Target getpidPseudo() handler.
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SyscallReturn getpidPseudoFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getuidPseudo() handler.
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SyscallReturn getuidPseudoFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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/// Target getgidPseudo() handler.
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SyscallReturn getgidPseudoFunc(SyscallDesc *desc, int num,
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Process *p, ExecContext *xc);
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2005-01-15 00:34:56 +01:00
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/// This struct is used to build an target-OS-dependent table that
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/// maps the target's open() flags to the host open() flags.
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struct OpenFlagTransTable {
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int tgtFlag; //!< Target system flag value.
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int hostFlag; //!< Corresponding host system flag value.
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};
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/// A readable name for 1,000,000, for converting microseconds to seconds.
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const int one_million = 1000000;
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/// Approximate seconds since the epoch (1/1/1970). About a billion,
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/// by my reckoning. We want to keep this a constant (not use the
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/// real-world time) to keep simulations repeatable.
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const unsigned seconds_since_epoch = 1000000000;
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/// Helper function to convert current elapsed time to seconds and
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/// microseconds.
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template <class T1, class T2>
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void
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getElapsedTime(T1 &sec, T2 &usec)
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{
|
2005-03-29 14:55:44 +02:00
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int elapsed_usecs = curTick / Clock::Int::us;
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2005-01-15 00:34:56 +01:00
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sec = elapsed_usecs / one_million;
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usec = elapsed_usecs % one_million;
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}
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2003-12-02 04:34:38 +01:00
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//////////////////////////////////////////////////////////////////////
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//
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// The following emulation functions are generic, but need to be
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// templated to account for differences in types, constants, etc.
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//
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//////////////////////////////////////////////////////////////////////
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2003-12-02 07:39:27 +01:00
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/// Target ioctl() handler. For the most part, programs call ioctl()
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/// only to find out if their stdout is a tty, to determine whether to
|
|
|
|
/// do line or block buffering.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
ioctlFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = xc->getSyscallArg(0);
|
|
|
|
unsigned req = xc->getSyscallArg(1);
|
|
|
|
|
2005-11-11 03:05:31 +01:00
|
|
|
DPRINTF(SyscallVerbose, "ioctl(%d, 0x%x, ...)\n", fd, req);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
if (fd < 0 || process->sim_fd(fd) < 0) {
|
|
|
|
// doesn't map to any simulator fd: not a valid target fd
|
2005-03-10 20:20:12 +01:00
|
|
|
return -EBADF;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
switch (req) {
|
|
|
|
case OS::TIOCISATTY:
|
|
|
|
case OS::TIOCGETP:
|
|
|
|
case OS::TIOCSETP:
|
|
|
|
case OS::TIOCSETN:
|
|
|
|
case OS::TIOCSETC:
|
|
|
|
case OS::TIOCGETC:
|
2004-02-05 18:16:17 +01:00
|
|
|
case OS::TIOCGETS:
|
|
|
|
case OS::TIOCGETA:
|
2005-03-10 20:20:12 +01:00
|
|
|
return -ENOTTY;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
default:
|
2005-06-03 22:19:34 +02:00
|
|
|
fatal("Unsupported ioctl call: ioctl(%d, 0x%x, ...) @ 0x%llx\n",
|
|
|
|
fd, req, xc->readPC());
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target open() handler.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
openFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2005-03-10 20:20:12 +01:00
|
|
|
return -EFAULT;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
if (path == "/dev/sysdev0") {
|
|
|
|
// This is a memory-mapped high-resolution timer device on Alpha.
|
|
|
|
// We don't support it, so just punt.
|
2005-06-03 22:19:34 +02:00
|
|
|
warn("Ignoring open(%s, ...)\n", path);
|
2005-03-10 20:20:12 +01:00
|
|
|
return -ENOENT;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
2005-06-03 22:19:34 +02:00
|
|
|
warn("Syscall: open: cannot decode flags 0x%x", tgtFlags);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
#ifdef __CYGWIN32__
|
|
|
|
hostFlags |= O_BINARY;
|
|
|
|
#endif
|
|
|
|
|
2005-06-03 22:19:34 +02:00
|
|
|
DPRINTF(SyscallVerbose, "opening file %s\n", path.c_str());
|
|
|
|
|
2003-12-02 04:34:38 +01:00
|
|
|
// open the file
|
|
|
|
int fd = open(path.c_str(), hostFlags, mode);
|
|
|
|
|
2005-11-11 03:08:33 +01:00
|
|
|
return (fd == -1) ? -errno : process->alloc_fd(fd);
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-11-22 18:08:08 +01:00
|
|
|
/// Target chmod() handler.
|
|
|
|
template <class OS>
|
|
|
|
SyscallReturn
|
|
|
|
chmodFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2005-11-22 18:08:08 +01:00
|
|
|
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)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
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)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target stat() handler.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
statFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2006-02-21 05:26:39 +01:00
|
|
|
return -EFAULT;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
struct stat hostBuf;
|
|
|
|
int result = stat(path.c_str(), &hostBuf);
|
|
|
|
|
|
|
|
if (result < 0)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStatBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-11-22 18:08:08 +01:00
|
|
|
/// 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;
|
|
|
|
}
|
|
|
|
|
2006-02-10 20:59:37 +01:00
|
|
|
#if BSD_HOST
|
2006-02-10 20:21:32 +01:00
|
|
|
struct stat hostBuf;
|
|
|
|
int result = fstat(process->sim_fd(fd), &hostBuf);
|
|
|
|
#else
|
|
|
|
struct stat64 hostBuf;
|
2005-11-22 18:08:08 +01:00
|
|
|
int result = fstat64(process->sim_fd(fd), &hostBuf);
|
2006-02-10 20:21:32 +01:00
|
|
|
#endif
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
if (result < 0)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2005-11-22 18:08:08 +01:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStat64Buf(xc->getMemPort(), fd, xc->getSyscallArg(1), &hostBuf);
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target lstat() handler.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
lstatFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2006-02-21 05:26:39 +01:00
|
|
|
return -EFAULT;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
struct stat hostBuf;
|
|
|
|
int result = lstat(path.c_str(), &hostBuf);
|
|
|
|
|
|
|
|
if (result < 0)
|
2005-03-10 20:20:12 +01:00
|
|
|
return -errno;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStatBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2005-11-22 18:08:08 +01:00
|
|
|
/// Target lstat64() handler.
|
|
|
|
template <class OS>
|
|
|
|
SyscallReturn
|
|
|
|
lstat64Func(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2006-02-21 05:26:39 +01:00
|
|
|
return -EFAULT;
|
2005-11-22 18:08:08 +01:00
|
|
|
|
2006-02-10 20:59:37 +01:00
|
|
|
#if BSD_HOST
|
2006-02-10 20:21:32 +01:00
|
|
|
struct stat hostBuf;
|
|
|
|
int result = lstat(path.c_str(), &hostBuf);
|
|
|
|
#else
|
2005-11-22 18:08:08 +01:00
|
|
|
struct stat64 hostBuf;
|
|
|
|
int result = lstat64(path.c_str(), &hostBuf);
|
2006-02-10 20:21:32 +01:00
|
|
|
#endif
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
if (result < 0)
|
|
|
|
return -errno;
|
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStat64Buf(xc->getMemPort(), -1, xc->getSyscallArg(1), &hostBuf);
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target fstat() handler.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
fstatFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
int fd = process->sim_fd(xc->getSyscallArg(0));
|
|
|
|
|
2005-11-11 03:05:31 +01:00
|
|
|
DPRINTF(SyscallVerbose, "fstat(%d, ...)\n", fd);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
if (fd < 0)
|
2005-03-10 20:20:12 +01:00
|
|
|
return -EBADF;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
struct stat hostBuf;
|
|
|
|
int result = fstat(fd, &hostBuf);
|
|
|
|
|
|
|
|
if (result < 0)
|
2005-03-10 20:20:12 +01:00
|
|
|
return -errno;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStatBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-06-03 22:19:34 +02:00
|
|
|
/// Target statfs() handler.
|
|
|
|
template <class OS>
|
|
|
|
SyscallReturn
|
|
|
|
statfsFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2006-02-21 05:26:39 +01:00
|
|
|
return -EFAULT;
|
2005-06-03 22:19:34 +02:00
|
|
|
|
|
|
|
struct statfs hostBuf;
|
|
|
|
int result = statfs(path.c_str(), &hostBuf);
|
|
|
|
|
|
|
|
if (result < 0)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2005-06-03 22:19:34 +02:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStatfsBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf);
|
2005-06-03 22:19:34 +02:00
|
|
|
|
|
|
|
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)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2005-06-03 22:19:34 +02:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
OS::copyOutStatfsBuf(xc->getMemPort(), xc->getSyscallArg(1), &hostBuf);
|
2005-06-03 22:19:34 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-11-22 18:08:08 +01:00
|
|
|
/// 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;
|
|
|
|
}
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
TranslatingPort *p = xc->getMemPort();
|
2005-11-22 18:08:08 +01:00
|
|
|
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;
|
2006-03-12 22:38:16 +01:00
|
|
|
|
|
|
|
p->readBlob(tiov_base + i*sizeof(typename OS::tgt_iovec),
|
|
|
|
(uint8_t*)&tiov, sizeof(typename OS::tgt_iovec));
|
2006-02-15 07:23:13 +01:00
|
|
|
hiov[i].iov_len = gtoh(tiov.iov_len);
|
2005-11-22 18:08:08 +01:00
|
|
|
hiov[i].iov_base = new char [hiov[i].iov_len];
|
2006-03-12 22:38:16 +01:00
|
|
|
p->readBlob(gtoh(tiov.iov_base), (uint8_t *)hiov[i].iov_base,
|
|
|
|
hiov[i].iov_len);
|
2005-11-22 18:08:08 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
2006-03-05 03:06:40 +01:00
|
|
|
return -errno;
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// 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.
|
2003-12-02 04:34:38 +01:00
|
|
|
//
|
2003-12-02 07:39:27 +01:00
|
|
|
/// 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.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
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);
|
2003-12-02 07:39:27 +01:00
|
|
|
// int fd = p->sim_fd(xc->getSyscallArg(4));
|
2003-12-02 04:34:38 +01:00
|
|
|
// int offset = xc->getSyscallArg(5);
|
2006-03-15 23:04:50 +01:00
|
|
|
Addr junk;
|
2003-12-02 04:34:38 +01:00
|
|
|
|
|
|
|
if (start == 0) {
|
|
|
|
// user didn't give an address... pick one from our "mmap region"
|
2005-02-23 17:45:25 +01:00
|
|
|
start = p->mmap_end;
|
2006-03-15 23:04:50 +01:00
|
|
|
for (ChunkGenerator gen(start, roundUp(length, TheISA::VMPageSize), TheISA::VMPageSize); !gen.done(); gen.next()) {
|
|
|
|
if (!p->pTable->translate(gen.addr(), junk))
|
|
|
|
p->pTable->allocate(roundDown(gen.addr(), TheISA::VMPageSize), TheISA::VMPageSize);
|
|
|
|
}
|
Changes to untemplate StaticInst and StaticInstPtr, change the isa to a namespace instead of a class, an improvement to the architecture specific header file selection system, and fixed up a few include paths.
arch/alpha/alpha_linux_process.cc:
Added using directive for AlphaISA namespace
arch/alpha/alpha_memory.hh:
arch/alpha/isa/branch.isa:
cpu/pc_event.hh:
Added typedefs for Addr
arch/alpha/alpha_tru64_process.cc:
arch/alpha/arguments.cc:
Added using directive for AlphaISA
arch/alpha/ev5.hh:
Added an include of arch/alpha/isa_traits.hh, and a using directive for the AlphaISA namespace.
arch/alpha/faults.hh:
Added a typedef for the Addr type, and changed the formatting of the faults slightly.
arch/alpha/isa/main.isa:
Untemplatized StaticInst, added a using for namespace AlphaISA to show up in decoder.cc and the exec.ccs, relocated makeNop to decoder.hh
arch/alpha/isa/mem.isa:
Untemplatized StaticInst and StaticInstPtr
arch/alpha/isa/pal.isa:
cpu/base_dyn_inst.cc:
Untemplatized StaticInstPtr
arch/alpha/isa_traits.hh:
Changed variables to be externs instead of static since they are part of a namespace and not a class.
arch/alpha/stacktrace.cc:
Untemplatized StaticInstPtr, and added a using directive for AlphaISA.
arch/alpha/stacktrace.hh:
Added some typedefs for Addr and MachInst, and untemplatized StaticInstPtr
arch/alpha/vtophys.cc:
Added a using directive for AlphaISA
arch/alpha/vtophys.hh:
Added the AlphaISA namespace specifier where needed
arch/isa_parser.py:
Changed the placement of the definition of the decodeInst function to be outside the namespaceInst namespace.
base/loader/object_file.hh:
cpu/o3/bpred_unit.hh:
Added a typedef for Addr
base/loader/symtab.hh:
Added a typedef for Addr, and added a TheISA to Addr in another typedef
base/remote_gdb.cc:
Added a using namespace TheISA, and untemplatized StaticInstPtr
base/remote_gdb.hh:
Added typedefs for Addr and MachInst
cpu/base.cc:
Added TheISA specifier to some variables exported from the isa.
cpu/base.hh:
Added a typedef for Addr, and TheISA to some variables from the ISA
cpu/base_dyn_inst.hh:
Untemplatized StaticInstPtr, and added TheISA specifier to some variables from the ISA.
cpu/exec_context.hh:
Added some typedefs for types from the isa, and added TheISA specifier to some variables from the isa
cpu/exetrace.hh:
Added typedefs for some types from the ISA, and untemplatized StaticInstPtr
cpu/memtest/memtest.cc:
cpu/o3/btb.cc:
dev/baddev.cc:
dev/ide_ctrl.cc:
dev/ide_disk.cc:
dev/isa_fake.cc:
dev/ns_gige.cc:
dev/pciconfigall.cc:
dev/platform.cc:
dev/sinic.cc:
dev/uart8250.cc:
kern/freebsd/freebsd_system.cc:
kern/linux/linux_system.cc:
kern/system_events.cc:
kern/tru64/dump_mbuf.cc:
kern/tru64/tru64_events.cc:
sim/process.cc:
sim/pseudo_inst.cc:
sim/system.cc:
Added using namespace TheISA
cpu/memtest/memtest.hh:
cpu/trace/opt_cpu.hh:
cpu/trace/reader/itx_reader.hh:
dev/ide_disk.hh:
dev/pcidev.hh:
dev/platform.hh:
dev/tsunami.hh:
sim/system.hh:
sim/vptr.hh:
Added typedef for Addr
cpu/o3/2bit_local_pred.hh:
Changed the include to use arch/isa_traits.hh instead of arch/alpha/isa_traits.hh. Added typedef for Addr
cpu/o3/alpha_cpu.hh:
Added typedefs for Addr and IntReg
cpu/o3/alpha_cpu_impl.hh:
Added this-> to setNextPC to fix a problem since it didn't depend on template parameters any more. Removed "typename" where it was no longer needed.
cpu/o3/alpha_dyn_inst.hh:
Cleaned up some typedefs, and untemplatized StaticInst
cpu/o3/alpha_dyn_inst_impl.hh:
untemplatized StaticInstPtr
cpu/o3/alpha_impl.hh:
Fixed up a typedef of MachInst
cpu/o3/bpred_unit_impl.hh:
Added a using TheISA::MachInst to a function
cpu/o3/btb.hh:
Changed an include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr
cpu/o3/commit.hh:
Removed a typedef of Impl::ISA as ISA, since TheISA takes care of this now.
cpu/o3/cpu.cc:
Cleaned up namespace issues
cpu/o3/cpu.hh:
Cleaned up namespace usage
cpu/o3/decode.hh:
Removed typedef of ISA, and changed it to TheISA
cpu/o3/fetch.hh:
Fized up typedefs, and changed ISA to TheISA
cpu/o3/free_list.hh:
Changed include of arch/alpha/isa_traits.hh to arch/isa_traits.hh
cpu/o3/iew.hh:
Removed typedef of ISA
cpu/o3/iew_impl.hh:
Added TheISA namespace specifier to MachInst
cpu/o3/ras.hh:
Changed include from arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef for Addr.
cpu/o3/regfile.hh:
Changed ISA to TheISA, and added some typedefs for Addr, IntReg, FloatReg, and MiscRegFile
cpu/o3/rename.hh:
Changed ISA to TheISA, and added a typedef for RegIndex
cpu/o3/rename_map.hh:
Added an include for arch/isa_traits.hh, and a typedef for RegIndex
cpu/o3/rob.hh:
Added a typedef for RegIndex
cpu/o3/store_set.hh:
cpu/o3/tournament_pred.hh:
Changed an include of arch/alpha/isa_traits.hh to arch/isa_traits.hh, and added a typedef of Addr
cpu/ozone/cpu.hh:
Changed ISA into TheISA, and untemplatized StaticInst
cpu/pc_event.cc:
Added namespace specifier TheISA to Addr types
cpu/profile.hh:
kern/kernel_stats.hh:
Added typedef for Addr, and untemplatized StaticInstPtr
cpu/simple/cpu.cc:
Changed using directive from LittleEndianGuest to AlphaISA, which will contain both namespaces. Added TheISA where needed, and untemplatized StaticInst
cpu/simple/cpu.hh:
Added a typedef for MachInst, and untemplatized StaticInst
cpu/static_inst.cc:
Untemplatized StaticInst
cpu/static_inst.hh:
Untemplatized StaticInst by using the TheISA namespace
dev/alpha_console.cc:
Added using namespace AlphaISA
dev/simple_disk.hh:
Added typedef for Addr and fixed up some formatting
dev/sinicreg.hh:
Added TheISA namespace specifier where needed
dev/tsunami.cc:
dev/tsunami_io.cc:
dev/tsunami_pchip.cc:
Added using namespace TheISA. It might be better for it to be AlphaISA
dev/tsunami_cchip.cc:
Added typedef for TheISA. It might be better for it to be AlphaISA
kern/linux/aligned.hh:
sim/pseudo_inst.hh:
Added TheISA namespace specifier to Addr
kern/linux/linux_threadinfo.hh:
Added typedef for Addr, and TheISA namespace specifier to StackPointerReg
kern/tru64/mbuf.hh:
Added TheISA to Addr type in structs
sim/process.hh:
Added typedefs of Addr, RegFile, and MachInst
sim/syscall_emul.cc:
Added using namespace TheISA, and a cast of VMPageSize to the int type
sim/syscall_emul.hh:
Added typecast for Addr, and TheISA namespace specifier for where needed
--HG--
extra : convert_revision : 91d4f6ca33a73b21c1f1771d74bfdea3b80eff45
2006-02-19 08:34:37 +01:00
|
|
|
p->mmap_end += roundUp(length, TheISA::VMPageSize);
|
2005-03-16 16:30:33 +01:00
|
|
|
if (p->nxm_start != 0) {
|
|
|
|
//If we have an nxm space, make sure we haven't colided
|
|
|
|
assert(p->mmap_end < p->nxm_start);
|
|
|
|
}
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (!(flags & OS::TGT_MAP_ANONYMOUS)) {
|
2005-11-11 03:05:31 +01:00
|
|
|
warn("allowing mmap of file @ fd %d. "
|
|
|
|
"This will break if not /dev/zero.", xc->getSyscallArg(4));
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return start;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target getrlimit() handler.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
getrlimitFunc(SyscallDesc *desc, int callnum, Process *process,
|
2006-02-10 20:21:32 +01:00
|
|
|
ExecContext *xc)
|
2003-12-02 04:34:38 +01:00
|
|
|
{
|
|
|
|
unsigned resource = xc->getSyscallArg(0);
|
|
|
|
TypedBufferArg<typename OS::rlimit> rlp(xc->getSyscallArg(1));
|
|
|
|
|
|
|
|
switch (resource) {
|
2006-02-10 20:21:32 +01:00
|
|
|
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;
|
2006-02-15 07:23:13 +01:00
|
|
|
rlp->rlim_cur = htog(rlp->rlim_cur);
|
|
|
|
rlp->rlim_max = htog(rlp->rlim_max);
|
2006-02-10 20:21:32 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
std::cerr << "getrlimitFunc: unimplemented resource " << resource
|
|
|
|
<< std::endl;
|
|
|
|
abort();
|
|
|
|
break;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
rlp.copyOut(xc->getMemPort());
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target gettimeofday() handler.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
gettimeofdayFunc(SyscallDesc *desc, int callnum, Process *process,
|
2006-02-10 20:21:32 +01:00
|
|
|
ExecContext *xc)
|
2003-12-02 04:34:38 +01:00
|
|
|
{
|
|
|
|
TypedBufferArg<typename OS::timeval> tp(xc->getSyscallArg(0));
|
|
|
|
|
|
|
|
getElapsedTime(tp->tv_sec, tp->tv_usec);
|
|
|
|
tp->tv_sec += seconds_since_epoch;
|
2006-02-15 07:23:13 +01:00
|
|
|
tp->tv_sec = htog(tp->tv_sec);
|
|
|
|
tp->tv_usec = htog(tp->tv_usec);
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
tp.copyOut(xc->getMemPort());
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-11-22 18:08:08 +01:00
|
|
|
/// Target utimes() handler.
|
|
|
|
template <class OS>
|
|
|
|
SyscallReturn
|
|
|
|
utimesFunc(SyscallDesc *desc, int callnum, Process *process,
|
|
|
|
ExecContext *xc)
|
|
|
|
{
|
|
|
|
std::string path;
|
|
|
|
|
2006-03-12 22:38:16 +01:00
|
|
|
if (!xc->getMemPort()->tryReadString(path, xc->getSyscallArg(0)))
|
2006-02-21 05:26:39 +01:00
|
|
|
return -EFAULT;
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
TypedBufferArg<typename OS::timeval [2]> tp(xc->getSyscallArg(1));
|
2006-03-10 22:59:02 +01:00
|
|
|
tp.copyIn(xc->getMemPort());
|
2005-11-22 18:08:08 +01:00
|
|
|
|
|
|
|
struct timeval hostTimeval[2];
|
|
|
|
for (int i = 0; i < 2; ++i)
|
|
|
|
{
|
2006-02-15 07:23:13 +01:00
|
|
|
hostTimeval[i].tv_sec = gtoh((*tp)[i].tv_sec);
|
|
|
|
hostTimeval[i].tv_usec = gtoh((*tp)[i].tv_usec);
|
2005-11-22 18:08:08 +01:00
|
|
|
}
|
|
|
|
int result = utimes(path.c_str(), hostTimeval);
|
|
|
|
|
|
|
|
if (result < 0)
|
|
|
|
return -errno;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2003-12-02 07:39:27 +01:00
|
|
|
/// Target getrusage() function.
|
2003-12-02 04:34:38 +01:00
|
|
|
template <class OS>
|
2005-03-09 21:52:10 +01:00
|
|
|
SyscallReturn
|
2003-12-02 04:34:38 +01:00
|
|
|
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));
|
|
|
|
|
2006-02-10 20:21:32 +01:00
|
|
|
if (who != OS::TGT_RUSAGE_SELF) {
|
2003-12-02 04:34:38 +01:00
|
|
|
// don't really handle THREAD or CHILDREN, but just warn and
|
|
|
|
// plow ahead
|
2005-11-11 03:05:31 +01:00
|
|
|
warn("getrusage() only supports RUSAGE_SELF. Parameter %d ignored.",
|
|
|
|
who);
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
getElapsedTime(rup->ru_utime.tv_sec, rup->ru_utime.tv_usec);
|
2006-02-15 07:23:13 +01:00
|
|
|
rup->ru_utime.tv_sec = htog(rup->ru_utime.tv_sec);
|
|
|
|
rup->ru_utime.tv_usec = htog(rup->ru_utime.tv_usec);
|
|
|
|
|
2003-12-02 04:34:38 +01:00
|
|
|
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;
|
|
|
|
|
2006-03-10 22:59:02 +01:00
|
|
|
rup.copyOut(xc->getMemPort());
|
2003-12-02 04:34:38 +01:00
|
|
|
|
2005-03-10 20:20:12 +01:00
|
|
|
return 0;
|
2003-12-02 04:34:38 +01:00
|
|
|
}
|
|
|
|
|
2005-01-15 00:34:56 +01:00
|
|
|
#endif // __SIM_SYSCALL_EMUL_HH__
|