Commit | Line | Data |
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bb2ec1b3 TT |
1 | /* Call module for 'compile' command. |
2 | ||
32d0add0 | 3 | Copyright (C) 2014-2015 Free Software Foundation, Inc. |
bb2ec1b3 TT |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "compile-object-run.h" | |
22 | #include "value.h" | |
23 | #include "infcall.h" | |
24 | #include "objfiles.h" | |
25 | #include "compile-internal.h" | |
26 | #include "dummy-frame.h" | |
27 | ||
28 | /* Helper for do_module_cleanup. */ | |
29 | ||
30 | struct do_module_cleanup | |
31 | { | |
32 | /* Boolean to set true upon a call of do_module_cleanup. | |
33 | The pointer may be NULL. */ | |
34 | int *executedp; | |
35 | ||
36 | /* .c file OBJFILE was built from. It needs to be xfree-d. */ | |
37 | char *source_file; | |
38 | ||
5c65b58a JK |
39 | /* Copy from struct compile_module. */ |
40 | enum compile_i_scope_types scope; | |
41 | void *scope_data; | |
42 | ||
bb2ec1b3 TT |
43 | /* objfile_name of our objfile. */ |
44 | char objfile_name_string[1]; | |
45 | }; | |
46 | ||
47 | /* Cleanup everything after the inferior function dummy frame gets | |
48 | discarded. */ | |
49 | ||
50 | static dummy_frame_dtor_ftype do_module_cleanup; | |
51 | static void | |
5e970501 | 52 | do_module_cleanup (void *arg, int registers_valid) |
bb2ec1b3 TT |
53 | { |
54 | struct do_module_cleanup *data = arg; | |
55 | struct objfile *objfile; | |
56 | ||
57 | if (data->executedp != NULL) | |
58 | *data->executedp = 1; | |
59 | ||
60 | ALL_OBJFILES (objfile) | |
61 | if ((objfile->flags & OBJF_USERLOADED) == 0 | |
62 | && (strcmp (objfile_name (objfile), data->objfile_name_string) == 0)) | |
63 | { | |
64 | free_objfile (objfile); | |
65 | ||
66 | /* It may be a bit too pervasive in this dummy_frame dtor callback. */ | |
67 | clear_symtab_users (0); | |
68 | ||
69 | break; | |
70 | } | |
71 | ||
72 | /* Delete the .c file. */ | |
73 | unlink (data->source_file); | |
74 | xfree (data->source_file); | |
75 | ||
76 | /* Delete the .o file. */ | |
77 | unlink (data->objfile_name_string); | |
78 | xfree (data); | |
79 | } | |
80 | ||
81 | /* Perform inferior call of MODULE. This function may throw an error. | |
82 | This function may leave files referenced by MODULE on disk until | |
83 | the inferior call dummy frame is discarded. This function may throw errors. | |
84 | Thrown errors and left MODULE files are unrelated events. Caller must no | |
85 | longer touch MODULE's memory after this function has been called. */ | |
86 | ||
87 | void | |
88 | compile_object_run (struct compile_module *module) | |
89 | { | |
90 | struct value *func_val; | |
91 | struct frame_id dummy_id; | |
92 | struct cleanup *cleanups; | |
93 | struct do_module_cleanup *data; | |
bb2ec1b3 TT |
94 | const char *objfile_name_s = objfile_name (module->objfile); |
95 | int dtor_found, executed = 0; | |
96 | CORE_ADDR func_addr = module->func_addr; | |
97 | CORE_ADDR regs_addr = module->regs_addr; | |
98 | ||
99 | data = xmalloc (sizeof (*data) + strlen (objfile_name_s)); | |
100 | data->executedp = &executed; | |
101 | data->source_file = xstrdup (module->source_file); | |
102 | strcpy (data->objfile_name_string, objfile_name_s); | |
5c65b58a JK |
103 | data->scope = module->scope; |
104 | data->scope_data = module->scope_data; | |
bb2ec1b3 TT |
105 | |
106 | xfree (module->source_file); | |
107 | xfree (module); | |
108 | ||
492d29ea | 109 | TRY |
bb2ec1b3 TT |
110 | { |
111 | func_val = value_from_pointer | |
112 | (builtin_type (target_gdbarch ())->builtin_func_ptr, | |
113 | func_addr); | |
114 | ||
115 | if (regs_addr == 0) | |
116 | call_function_by_hand_dummy (func_val, 0, NULL, | |
117 | do_module_cleanup, data); | |
118 | else | |
119 | { | |
120 | struct value *arg_val; | |
121 | ||
122 | arg_val = value_from_pointer | |
123 | (builtin_type (target_gdbarch ())->builtin_func_ptr, | |
124 | regs_addr); | |
125 | call_function_by_hand_dummy (func_val, 1, &arg_val, | |
126 | do_module_cleanup, data); | |
127 | } | |
128 | } | |
492d29ea | 129 | CATCH (ex, RETURN_MASK_ERROR) |
bb2ec1b3 | 130 | { |
7556d4a4 | 131 | /* In the case of DTOR_FOUND or in the case of EXECUTED nothing |
bb2ec1b3 | 132 | needs to be done. */ |
7556d4a4 PA |
133 | dtor_found = find_dummy_frame_dtor (do_module_cleanup, data); |
134 | if (!executed) | |
135 | data->executedp = NULL; | |
bb2ec1b3 TT |
136 | gdb_assert (!(dtor_found && executed)); |
137 | if (!dtor_found && !executed) | |
5e970501 | 138 | do_module_cleanup (data, 0); |
bb2ec1b3 TT |
139 | throw_exception (ex); |
140 | } | |
492d29ea | 141 | END_CATCH |
7556d4a4 PA |
142 | |
143 | dtor_found = find_dummy_frame_dtor (do_module_cleanup, data); | |
144 | gdb_assert (!dtor_found && executed); | |
bb2ec1b3 | 145 | } |