2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
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6 * modification, are permitted provided that the following conditions are
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12 * neither the name of the copyright holders nor the names of its
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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32 #include "arch/alpha/constants.hh"
33 #include "arch/alpha/process.hh"
34 #include "base/loader/object_file.hh"
35 #include "base/misc.hh"
36 #include "cpu/thread_context.hh"
37 #include "sim/system.hh"
40 using namespace AlphaISA
;
43 AlphaLiveProcess::AlphaLiveProcess(const std::string
&nm
, ObjectFile
*objFile
,
44 System
*_system
, int stdin_fd
, int stdout_fd
, int stderr_fd
,
45 std::vector
<std::string
> &argv
, std::vector
<std::string
> &envp
)
46 : LiveProcess(nm
, objFile
, _system
, stdin_fd
, stdout_fd
, stderr_fd
,
49 brk_point
= objFile
->dataBase() + objFile
->dataSize() + objFile
->bssSize();
50 brk_point
= roundUp(brk_point
, VMPageSize
);
52 // Set up stack. On Alpha, stack goes below text section. This
53 // code should get moved to some architecture-specific spot.
54 stack_base
= objFile
->textBase() - (409600+4096);
56 // Set up region for mmaps. Tru64 seems to start just above 0 and
57 // grow up from there.
58 mmap_start
= mmap_end
= 0x10000;
60 // Set pointer for next thread stack. Reserve 8M for main stack.
61 next_thread_stack_base
= stack_base
- (8 * 1024 * 1024);
66 AlphaLiveProcess::startup()
68 argsInit(MachineBytes
, VMPageSize
);
70 threadContexts
[0]->setIntReg(GlobalPointerReg
, objFile
->globalPointer());