1/* 2 * Copyright (c) 2003-2004 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer;
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 * Ali Saidi 30 */ 31 32#include "arch/alpha/constants.hh" 33#include "arch/alpha/process.hh"
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34#include "arch/alpha/linux/process.hh"
35#include "arch/alpha/tru64/process.hh"
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34#include "base/loader/object_file.hh" 35#include "base/misc.hh" 36#include "cpu/thread_context.hh"
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39#include "sim/builder.hh"
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37#include "sim/system.hh" 38 39 40using namespace AlphaISA; 41using namespace std; 42
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46AlphaLiveProcess *
47AlphaLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
48 int stdout_fd, int stderr_fd, std::string executable,
49 std::vector<std::string> &argv, std::vector<std::string> &envp)
50{
51 AlphaLiveProcess *process = NULL;
52
53 ObjectFile *objFile = createObjectFile(executable);
54 if (objFile == NULL) {
55 fatal("Can't load object file %s", executable);
56 }
57
58
59 if (objFile->getArch() != ObjectFile::Alpha)
60 fatal("Object file does not match architecture.");
61 switch (objFile->getOpSys()) {
62 case ObjectFile::Tru64:
63 process = new AlphaTru64Process(nm, objFile, system,
64 stdin_fd, stdout_fd, stderr_fd,
65 argv, envp);
66 break;
67
68 case ObjectFile::Linux:
69 process = new AlphaLinuxProcess(nm, objFile, system,
70 stdin_fd, stdout_fd, stderr_fd,
71 argv, envp);
72 break;
73
74 default:
75 fatal("Unknown/unsupported operating system.");
76 }
77
78 if (process == NULL)
79 fatal("Unknown error creating process object.");
80 return process;
81}
82
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43AlphaLiveProcess::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, 47 argv, envp) 48{ 49 brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); 50 brk_point = roundUp(brk_point, VMPageSize);
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66AlphaLiveProcess::startup() 67{ 68 argsInit(MachineBytes, VMPageSize); 69 70 threadContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer()); 71} 72 73
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114
115
116BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess)
117
118 VectorParam<string> cmd;
119 Param<string> executable;
120 Param<string> input;
121 Param<string> output;
122 VectorParam<string> env;
123 SimObjectParam<System *> system;
124
125END_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess)
126
127
128BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess)
129
130 INIT_PARAM(cmd, "command line (executable plus arguments)"),
131 INIT_PARAM(executable, "executable (overrides cmd[0] if set)"),
132 INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"),
133 INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"),
134 INIT_PARAM(env, "environment settings"),
135 INIT_PARAM(system, "system")
136
137END_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess)
138
139
140CREATE_SIM_OBJECT(AlphaLiveProcess)
141{
142 string in = input;
143 string out = output;
144
145 // initialize file descriptors to default: same as simulator
146 int stdin_fd, stdout_fd, stderr_fd;
147
148 if (in == "stdin" || in == "cin")
149 stdin_fd = STDIN_FILENO;
150 else
151 stdin_fd = Process::openInputFile(input);
152
153 if (out == "stdout" || out == "cout")
154 stdout_fd = STDOUT_FILENO;
155 else if (out == "stderr" || out == "cerr")
156 stdout_fd = STDERR_FILENO;
157 else
158 stdout_fd = Process::openOutputFile(out);
159
160 stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO;
161
162 return AlphaLiveProcess::create(getInstanceName(), system,
163 stdin_fd, stdout_fd, stderr_fd,
164 (string)executable == "" ? cmd[0] : executable,
165 cmd, env);
166}
167
168
169REGISTER_SIM_OBJECT("AlphaLiveProcess", AlphaLiveProcess)
170
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