fd_array.cc (12697:cd71b966be1e) fd_array.cc (13029:75abda747dc3)
1/*
2 * Copyright (c) 2016 Advanced Micro Devices, Inc.
3 * All rights reserved.
4 *
5 * For use for simulation and test purposes only
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:

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43#include <string>
44
45#include "base/logging.hh"
46#include "params/Process.hh"
47#include "sim/fd_entry.hh"
48
49FDArray::FDArray(std::string const& input, std::string const& output,
50 std::string const& errout)
1/*
2 * Copyright (c) 2016 Advanced Micro Devices, Inc.
3 * All rights reserved.
4 *
5 * For use for simulation and test purposes only
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:

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43#include <string>
44
45#include "base/logging.hh"
46#include "params/Process.hh"
47#include "sim/fd_entry.hh"
48
49FDArray::FDArray(std::string const& input, std::string const& output,
50 std::string const& errout)
51 : _input(input), _output(output), _errout(errout), _fdArray(),
52 imap {{"", -1},
53 {"cin", STDIN_FILENO},
54 {"stdin", STDIN_FILENO}},
55 oemap{{"", -1},
56 {"cout", STDOUT_FILENO},
57 {"stdout", STDOUT_FILENO},
58 {"cerr", STDERR_FILENO},
59 {"stderr", STDERR_FILENO}}
51 : _fdArray(), _input(input), _output(output), _errout(errout),
52 _imap {{"", -1},
53 {"cin", STDIN_FILENO},
54 {"stdin", STDIN_FILENO}},
55 _oemap{{"", -1},
56 {"cout", STDOUT_FILENO},
57 {"stdout", STDOUT_FILENO},
58 {"cerr", STDERR_FILENO},
59 {"stderr", STDERR_FILENO}}
60{
61 int sim_fd;
62 std::map<std::string, int>::iterator it;
63
64 /**
65 * Search through the input options and setup the default fd if match is
66 * found; otherwise, open an input file and seek to location.
67 */
60{
61 int sim_fd;
62 std::map<std::string, int>::iterator it;
63
64 /**
65 * Search through the input options and setup the default fd if match is
66 * found; otherwise, open an input file and seek to location.
67 */
68 if ((it = imap.find(input)) != imap.end())
68 if ((it = _imap.find(input)) != _imap.end())
69 sim_fd = it->second;
70 else
71 sim_fd = openInputFile(input);
72
73 auto ffd = std::make_shared<FileFDEntry>(sim_fd, O_RDONLY, input, false);
74 _fdArray[STDIN_FILENO] = ffd;
75
76 /**
77 * Search through the output/error options and setup the default fd if
78 * match is found; otherwise, open an output file and seek to location.
79 */
69 sim_fd = it->second;
70 else
71 sim_fd = openInputFile(input);
72
73 auto ffd = std::make_shared<FileFDEntry>(sim_fd, O_RDONLY, input, false);
74 _fdArray[STDIN_FILENO] = ffd;
75
76 /**
77 * Search through the output/error options and setup the default fd if
78 * match is found; otherwise, open an output file and seek to location.
79 */
80 if ((it = oemap.find(output)) != oemap.end())
80 if ((it = _oemap.find(output)) != _oemap.end())
81 sim_fd = it->second;
82 else
83 sim_fd = openOutputFile(output);
84
85 ffd = std::make_shared<FileFDEntry>(sim_fd, O_WRONLY | O_CREAT | O_TRUNC,
86 output, false);
87 _fdArray[STDOUT_FILENO] = ffd;
88
89 if (output == errout)
90 ; /* Reuse the same file descriptor if these match. */
81 sim_fd = it->second;
82 else
83 sim_fd = openOutputFile(output);
84
85 ffd = std::make_shared<FileFDEntry>(sim_fd, O_WRONLY | O_CREAT | O_TRUNC,
86 output, false);
87 _fdArray[STDOUT_FILENO] = ffd;
88
89 if (output == errout)
90 ; /* Reuse the same file descriptor if these match. */
91 else if ((it = oemap.find(errout)) != oemap.end())
91 else if ((it = _oemap.find(errout)) != _oemap.end())
92 sim_fd = it->second;
93 else
94 sim_fd = openOutputFile(errout);
95
96 ffd = std::make_shared<FileFDEntry>(sim_fd, O_WRONLY | O_CREAT | O_TRUNC,
97 errout, false);
98 _fdArray[STDERR_FILENO] = ffd;
99}

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151
152 if (_input != stdin_ffd->getFileName()) {
153 warn("Using new input file (%s) rather than checkpointed (%s)\n",
154 _input, stdin_ffd->getFileName());
155 stdin_ffd->setFileName(_input);
156 stdin_ffd->setFileOffset(0);
157 }
158
92 sim_fd = it->second;
93 else
94 sim_fd = openOutputFile(errout);
95
96 ffd = std::make_shared<FileFDEntry>(sim_fd, O_WRONLY | O_CREAT | O_TRUNC,
97 errout, false);
98 _fdArray[STDERR_FILENO] = ffd;
99}

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151
152 if (_input != stdin_ffd->getFileName()) {
153 warn("Using new input file (%s) rather than checkpointed (%s)\n",
154 _input, stdin_ffd->getFileName());
155 stdin_ffd->setFileName(_input);
156 stdin_ffd->setFileOffset(0);
157 }
158
159 if ((it = imap.find(stdin_ffd->getFileName())) != imap.end()) {
159 if ((it = _imap.find(stdin_ffd->getFileName())) != _imap.end()) {
160 stdin_ffd->setSimFD(it->second);
161 } else {
162 stdin_ffd->setSimFD(openInputFile(stdin_ffd->getFileName()));
163 seek(stdin_ffd);
164 }
165
166 /**
167 * Search through the output options and set fd if match is found;

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175
176 if (_output != stdout_ffd->getFileName()) {
177 warn("Using new output file (%s) rather than checkpointed (%s)\n",
178 _output, stdout_ffd->getFileName());
179 stdout_ffd->setFileName(_output);
180 stdout_ffd->setFileOffset(0);
181 }
182
160 stdin_ffd->setSimFD(it->second);
161 } else {
162 stdin_ffd->setSimFD(openInputFile(stdin_ffd->getFileName()));
163 seek(stdin_ffd);
164 }
165
166 /**
167 * Search through the output options and set fd if match is found;

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175
176 if (_output != stdout_ffd->getFileName()) {
177 warn("Using new output file (%s) rather than checkpointed (%s)\n",
178 _output, stdout_ffd->getFileName());
179 stdout_ffd->setFileName(_output);
180 stdout_ffd->setFileOffset(0);
181 }
182
183 if ((it = oemap.find(stdout_ffd->getFileName())) != oemap.end()) {
183 if ((it = _oemap.find(stdout_ffd->getFileName())) != _oemap.end()) {
184 stdout_ffd->setSimFD(it->second);
185 } else {
186 stdout_ffd->setSimFD(openOutputFile(stdout_ffd->getFileName()));
187 seek(stdout_ffd);
188 }
189
190 /**
191 * Search through the error options and set fd if match is found;

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202 _errout, stderr_ffd->getFileName());
203 stderr_ffd->setFileName(_errout);
204 stderr_ffd->setFileOffset(0);
205 }
206
207 if (stdout_ffd->getFileName() == stderr_ffd->getFileName()) {
208 /* Reuse the same sim_fd file descriptor if these match. */
209 stderr_ffd->setSimFD(stdout_ffd->getSimFD());
184 stdout_ffd->setSimFD(it->second);
185 } else {
186 stdout_ffd->setSimFD(openOutputFile(stdout_ffd->getFileName()));
187 seek(stdout_ffd);
188 }
189
190 /**
191 * Search through the error options and set fd if match is found;

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202 _errout, stderr_ffd->getFileName());
203 stderr_ffd->setFileName(_errout);
204 stderr_ffd->setFileOffset(0);
205 }
206
207 if (stdout_ffd->getFileName() == stderr_ffd->getFileName()) {
208 /* Reuse the same sim_fd file descriptor if these match. */
209 stderr_ffd->setSimFD(stdout_ffd->getSimFD());
210 } else if ((it = oemap.find(stderr_ffd->getFileName())) != oemap.end()) {
210 } else if ((it = _oemap.find(stderr_ffd->getFileName())) != _oemap.end()) {
211 stderr_ffd->setSimFD(it->second);
212 } else {
213 stderr_ffd->setSimFD(openOutputFile(stderr_ffd->getFileName()));
214 seek(stderr_ffd);
215 }
216
217 for (int tgt_fd = 3; tgt_fd < _fdArray.size(); tgt_fd++) {
218 std::shared_ptr<FDEntry> fdp = _fdArray[tgt_fd];

--- 132 unchanged lines hidden --- 		211 stderr_ffd->setSimFD(it->second);
212 } else {
213 stderr_ffd->setSimFD(openOutputFile(stderr_ffd->getFileName()));
214 seek(stderr_ffd);
215 }
216
217 for (int tgt_fd = 3; tgt_fd < _fdArray.size(); tgt_fd++) {
218 std::shared_ptr<FDEntry> fdp = _fdArray[tgt_fd];

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