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bae7f79e ILT |
1 | // ld.c -- linker main function |
2 | ||
3 | #include "gold.h" | |
4 | ||
5 | #include <cstdlib> | |
6 | #include <cstdio> | |
7 | #include <cstring> | |
8 | #include <unistd.h> | |
9 | ||
10 | #include "options.h" | |
11 | #include "workqueue.h" | |
12 | #include "dirsearch.h" | |
13 | #include "readsyms.h" | |
14bfc3f5 | 14 | #include "symtab.h" |
bae7f79e ILT |
15 | |
16 | namespace gold | |
17 | { | |
18 | ||
19 | const char* program_name; | |
20 | ||
21 | void | |
22 | gold_exit(bool status) | |
23 | { | |
24 | exit(status ? EXIT_SUCCESS : EXIT_FAILURE); | |
25 | } | |
26 | ||
27 | void | |
28 | gold_fatal(const char* msg, bool perrno) | |
29 | { | |
30 | fprintf(stderr, "%s: ", program_name); | |
31 | if (perrno) | |
32 | perror(msg); | |
33 | else | |
34 | fprintf(stderr, "%s\n", msg); | |
35 | gold_exit(false); | |
36 | } | |
37 | ||
38 | void | |
39 | gold_nomem() | |
40 | { | |
41 | // We are out of memory, so try hard to print a reasonable message. | |
42 | // Note that we don't try to translate this message, since the | |
43 | // translation process itself will require memory. | |
44 | write(2, program_name, strlen(program_name)); | |
45 | const char* const s = ": out of memory\n"; | |
46 | write(2, s, strlen(s)); | |
47 | gold_exit(false); | |
48 | } | |
49 | ||
50 | void | |
51 | gold_unreachable() | |
52 | { | |
53 | abort(); | |
54 | } | |
55 | ||
56 | } // End namespace gold. | |
57 | ||
58 | namespace | |
59 | { | |
60 | ||
61 | using namespace gold; | |
62 | ||
63 | // Queue up the initial set of tasks for this link job. | |
64 | ||
65 | void | |
66 | queue_initial_tasks(const General_options& options, | |
67 | const Dirsearch& search_path, | |
68 | const Command_line::Input_argument_list& inputs, | |
14bfc3f5 | 69 | Workqueue* workqueue, Symbol_table* symtab) |
bae7f79e ILT |
70 | { |
71 | if (inputs.empty()) | |
72 | gold_fatal(_("no input files"), false); | |
73 | ||
74 | // Read the input files. We have to add the symbols to the symbol | |
75 | // table in order. We do this by creating a separate blocker for | |
76 | // each input file. We associate the blocker with the following | |
77 | // input file, to give us a convenient place to delete it. | |
78 | Task_token* this_blocker = NULL; | |
79 | for (Command_line::Input_argument_list::const_iterator p = inputs.begin(); | |
80 | p != inputs.end(); | |
81 | ++p) | |
82 | { | |
83 | Task_token* next_blocker = new Task_token(); | |
84 | next_blocker->add_blocker(); | |
14bfc3f5 ILT |
85 | workqueue->queue(new Read_symbols(options, symtab, search_path, |
86 | *p, this_blocker, next_blocker)); | |
bae7f79e ILT |
87 | this_blocker = next_blocker; |
88 | } | |
89 | ||
90 | // workqueue->queue(new Layout(options, inputs, this_blocker)); | |
91 | } | |
92 | ||
93 | } // end anonymous namespace. | |
94 | ||
95 | int | |
96 | main(int argc, char** argv) | |
97 | { | |
98 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
99 | setlocale (LC_MESSAGES, ""); | |
100 | #endif | |
101 | #if defined (HAVE_SETLOCALE) | |
102 | setlocale (LC_CTYPE, ""); | |
103 | #endif | |
104 | bindtextdomain (PACKAGE, LOCALEDIR); | |
105 | textdomain (PACKAGE); | |
106 | ||
107 | gold::program_name = argv[0]; | |
108 | ||
109 | // Handle the command line options. | |
110 | gold::Command_line command_line; | |
111 | command_line.process(argc - 1, argv + 1); | |
112 | ||
113 | // The work queue. | |
114 | gold::Workqueue workqueue(command_line.options()); | |
115 | ||
116 | // The symbol table. | |
14bfc3f5 | 117 | Symbol_table symtab; |
bae7f79e ILT |
118 | |
119 | // Get the search path from the -L options. | |
120 | Dirsearch search_path; | |
121 | search_path.add(&workqueue, command_line.options().search_path()); | |
122 | ||
123 | // Queue up the first set of tasks. | |
124 | queue_initial_tasks(command_line.options(), search_path, | |
14bfc3f5 | 125 | command_line.inputs(), &workqueue, &symtab); |
bae7f79e ILT |
126 | |
127 | // Run the main task processing loop. | |
128 | workqueue.process(); | |
129 | ||
130 | gold::gold_exit(true); | |
131 | } |