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1 /* Managing temporary directories and their content within libgccjit.so
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2 Copyright (C) 2014-2018 Free Software Foundation, Inc.
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3 Contributed by David Malcolm <dmalcolm@redhat.com>.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef JIT_TEMPDIR_H
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22 #define JIT_TEMPDIR_H
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23
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24 #include "jit-logging.h"
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25
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26 namespace gcc {
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27
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28 namespace jit {
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29
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30 /* A class to keep track of the jit::playback::context's tempdir.
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31
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32 The tempdir has the following layout:
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33
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34 /tmp/libgccjit-XXXXXX/
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35 ./fake.c
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36 (doesn't exist, but the rest of the
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37 compiler needs a source code filename)
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38
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39 ./fake.s
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40 (created by toplev::main)
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41
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42 ./fake.so
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43 (created by playback::context::convert_to_dso).
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44
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45 It is normally deleted from the filesystem in the playback::context's
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46 dtor, unless GCC_JIT_BOOL_OPTION_KEEP_INTERMEDIATES was set. */
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47
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48 class tempdir : public log_user
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49 {
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50 public:
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51 tempdir (logger *logger, int keep_intermediates);
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52 ~tempdir ();
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53
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54 bool create ();
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55
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56 const char * get_path () const { return m_path_tempdir; }
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57 const char * get_path_c_file () const { return m_path_c_file; }
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58 const char * get_path_s_file () const { return m_path_s_file; }
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59 const char * get_path_so_file () const { return m_path_so_file; }
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60
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61 /* Add PATH to the vec of tempfiles that must be unlinked.
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62 Take ownership of the buffer PATH; it will be freed. */
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63 void add_temp_file (char *path) { m_tempfiles.safe_push (path); }
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64
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65 private:
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66 /* Was GCC_JIT_BOOL_OPTION_KEEP_INTERMEDIATES set? If so, keep the
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67 on-disk tempdir around after this wrapper object goes away. */
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68 int m_keep_intermediates;
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69
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70 /* Allocated using xmalloc (by xstrdup). */
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71 char *m_path_template;
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72
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73 /* This either aliases m_path_template, or is NULL. */
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74 char *m_path_tempdir;
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75
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76 /* The following are allocated using xmalloc. */
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77 char *m_path_c_file;
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78 char *m_path_s_file;
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79 char *m_path_so_file;
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80
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81 /* Other files within the tempdir to be cleaned up:
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82 - certain ahead-of-time compilation artifacts (.o and .exe files)
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83 - dumpfiles that were requested via gcc_jit_context_enable_dump. */
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84 auto_vec <char *> m_tempfiles;
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85 };
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86
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87 } // namespace gcc::jit
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88
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89 } // namespace gcc
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90
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91 #endif /* JIT_TEMPDIR_H */
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