diff options
Diffstat (limited to 'src/arch/arm/freebsd/process.hh')
-rw-r--r-- | src/arch/arm/freebsd/process.hh | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/arch/arm/freebsd/process.hh b/src/arch/arm/freebsd/process.hh new file mode 100644 index 000000000..4907c2020 --- /dev/null +++ b/src/arch/arm/freebsd/process.hh @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * This software was developed by the University of Cambridge Computer + * Laboratory as part of the CTSRD Project, with support from the UK Higher + * Education Innovation Fund (HEIF). + * + * 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 __ARCH_ARM_FREEBSD_PROCESS_HH__ +#define __ARCH_ARM_FREEBSD_PROCESS_HH__ + +#include <vector> + +#include "arch/arm/process.hh" + +class ArmFreebsdProcessBits +{ + protected: + SyscallDesc* getFreebsdDesc(int callnum); + + struct SyscallTable + { + int base; + SyscallDesc *descs; + int size; + + SyscallDesc *getDesc(int offset) const; + }; + + std::vector<SyscallTable> syscallTables; +}; + +/// A process with emulated Arm/Freebsd syscalls. +class ArmFreebsdProcess32 : public ArmLiveProcess32, public ArmFreebsdProcessBits +{ + public: + ArmFreebsdProcess32(LiveProcessParams * params, ObjectFile *objFile, + ObjectFile::Arch _arch); + + void initState(); + + /// Explicitly import the otherwise hidden getSyscallArg + using ArmLiveProcess::getSyscallArg; + + /// A page to hold "kernel" provided functions. The name might be wrong. + static const Addr commPage; + + SyscallDesc* getDesc(int callnum); +}; + +/// A process with emulated Arm/Freebsd syscalls. +class ArmFreebsdProcess64 : public ArmLiveProcess64, public ArmFreebsdProcessBits +{ + public: + ArmFreebsdProcess64(LiveProcessParams * params, ObjectFile *objFile, + ObjectFile::Arch _arch); + + void initState(); + SyscallDesc* getDesc(int callnum); +}; + +#endif // __ARCH_ARM_FREEBSD_PROCESS_HH__ |