src/arch/x86/linux/syscalls.hh

/*
 * Copyright 2020 Google Inc.
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 * neither the name of the copyright holders nor the names of its
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 * this software without specific prior written permission.
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#ifndef __ARCH_X86_LINUX_SYSCALLS_HH__
#define __ARCH_X86_LINUX_SYSCALLS_HH__

#include "arch/x86/linux/linux.hh"
#include "base/bitunion.hh"
#include "sim/se_workload.hh"
#include "sim/syscall_emul.hh"

namespace gem5
{

namespace X86ISA
{

SyscallReturn unameFunc(SyscallDesc *desc, ThreadContext *tc,
                        VPtr<Linux::utsname> name);

SyscallReturn archPrctlFunc(SyscallDesc *desc, ThreadContext *tc,
                            int code, uint64_t addr);

BitUnion32(UserDescFlags)
    Bitfield<0> seg_32bit;
    Bitfield<2, 1> contents;
    Bitfield<3> read_exec_only;
    Bitfield<4> limit_in_pages;
    Bitfield<5> seg_not_present;
    Bitfield<6> useable;
EndBitUnion(UserDescFlags)

struct UserDesc32
{
    uint32_t entry_number;
    uint32_t base_addr;
    uint32_t limit;
    uint32_t flags;
};

SyscallReturn setThreadArea32Func(SyscallDesc *desc, ThreadContext *tc,
                                  VPtr<UserDesc32> userDesc);

} // namespace X86ISA
} // namespace gem5

#endif // __ARCH_X86_LINUX_SYSCALLS_HH__