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252b5132 | 1 | /* ld-emul.h - Linker emulation header file |
b34976b6 | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2002 |
5cc18311 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of GLD, the Gnu Linker. | |
6 | ||
7 | GLD 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 1, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GLD 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 | #ifndef LDEMUL_H | |
18 | #define LDEMUL_H | |
19 | ||
b34976b6 AM |
20 | extern void ldemul_hll |
21 | PARAMS ((char *)); | |
22 | extern void ldemul_syslib | |
23 | PARAMS ((char *)); | |
24 | extern void ldemul_after_parse | |
25 | PARAMS ((void)); | |
26 | extern void ldemul_before_parse | |
27 | PARAMS ((void)); | |
28 | extern void ldemul_after_open | |
29 | PARAMS ((void)); | |
30 | extern void ldemul_after_allocation | |
31 | PARAMS ((void)); | |
32 | extern void ldemul_before_allocation | |
33 | PARAMS ((void)); | |
34 | extern void ldemul_set_output_arch | |
35 | PARAMS ((void)); | |
36 | extern char *ldemul_choose_target | |
37 | PARAMS ((int, char**)); | |
38 | extern void ldemul_choose_mode | |
39 | PARAMS ((char *)); | |
40 | extern void ldemul_list_emulations | |
41 | PARAMS ((FILE *)); | |
42 | extern void ldemul_list_emulation_options | |
43 | PARAMS ((FILE *)); | |
44 | extern char *ldemul_get_script | |
45 | PARAMS ((int *isfile)); | |
46 | extern void ldemul_finish | |
47 | PARAMS ((void)); | |
48 | extern void ldemul_set_symbols | |
49 | PARAMS ((void)); | |
50 | extern void ldemul_create_output_section_statements | |
51 | PARAMS ((void)); | |
52 | extern bfd_boolean ldemul_place_orphan | |
252b5132 | 53 | PARAMS ((struct lang_input_statement_struct *, asection *)); |
b34976b6 AM |
54 | extern int ldemul_parse_args |
55 | PARAMS ((int, char **)); | |
56 | extern bfd_boolean ldemul_unrecognized_file | |
252b5132 | 57 | PARAMS ((struct lang_input_statement_struct *)); |
b34976b6 | 58 | extern bfd_boolean ldemul_recognized_file |
252b5132 | 59 | PARAMS ((struct lang_input_statement_struct *)); |
b34976b6 | 60 | extern bfd_boolean ldemul_open_dynamic_archive |
252b5132 RH |
61 | PARAMS ((const char *, struct search_dirs *, |
62 | struct lang_input_statement_struct *)); | |
b34976b6 AM |
63 | extern char *ldemul_default_target |
64 | PARAMS ((int, char**)); | |
65 | extern void after_parse_default | |
66 | PARAMS ((void)); | |
67 | extern void after_open_default | |
68 | PARAMS ((void)); | |
69 | extern void after_allocation_default | |
70 | PARAMS ((void)); | |
71 | extern void before_allocation_default | |
72 | PARAMS ((void)); | |
73 | extern void set_output_arch_default | |
74 | PARAMS ((void)); | |
75 | extern void syslib_default | |
76 | PARAMS ((char*)); | |
77 | extern void hll_default | |
78 | PARAMS ((char*)); | |
344a211f NC |
79 | extern int ldemul_find_potential_libraries |
80 | PARAMS ((char *, struct lang_input_statement_struct *)); | |
fac1652d AM |
81 | extern struct bfd_elf_version_expr *ldemul_new_vers_pattern |
82 | PARAMS ((struct bfd_elf_version_expr *)); | |
252b5132 | 83 | |
89cdebba | 84 | typedef struct ld_emulation_xfer_struct { |
252b5132 RH |
85 | /* Run before parsing the command line and script file. |
86 | Set the architecture, maybe other things. */ | |
87 | void (*before_parse) PARAMS ((void)); | |
88 | ||
89 | /* Handle the SYSLIB (low level library) script command. */ | |
90 | void (*syslib) PARAMS ((char *)); | |
91 | ||
92 | /* Handle the HLL (high level library) script command. */ | |
93 | void (*hll) PARAMS ((char *)); | |
94 | ||
95 | /* Run after parsing the command line and script file. */ | |
96 | void (*after_parse) PARAMS ((void)); | |
97 | ||
98 | /* Run after opening all input files, and loading the symbols. */ | |
99 | void (*after_open) PARAMS ((void)); | |
100 | ||
101 | /* Run after allocating output sections. */ | |
102 | void (*after_allocation) PARAMS ( (void)); | |
103 | ||
104 | /* Set the output architecture and machine if possible. */ | |
105 | void (*set_output_arch) PARAMS ((void)); | |
106 | ||
107 | /* Decide which target name to use. */ | |
742aeb63 | 108 | char * (*choose_target) PARAMS ((int, char**)); |
252b5132 RH |
109 | |
110 | /* Run before allocating output sections. */ | |
111 | void (*before_allocation) PARAMS ((void)); | |
112 | ||
113 | /* Return the appropriate linker script. */ | |
114 | char * (*get_script) PARAMS ((int *isfile)); | |
115 | ||
116 | /* The name of this emulation. */ | |
117 | char *emulation_name; | |
118 | ||
119 | /* The output format. */ | |
120 | char *target_name; | |
121 | ||
122 | /* Run after assigning values from the script. */ | |
123 | void (*finish) PARAMS ((void)); | |
124 | ||
125 | /* Create any output sections needed by the target. */ | |
126 | void (*create_output_section_statements) PARAMS ((void)); | |
127 | ||
128 | /* Try to open a dynamic library. ARCH is an architecture name, and | |
129 | is normally the empty string. ENTRY is the lang_input_statement | |
130 | that should be opened. */ | |
b34976b6 | 131 | bfd_boolean (*open_dynamic_archive) |
252b5132 RH |
132 | PARAMS ((const char *arch, struct search_dirs *, |
133 | struct lang_input_statement_struct *entry)); | |
134 | ||
b34976b6 | 135 | /* Place an orphan section. Return TRUE if it was placed, FALSE if |
252b5132 RH |
136 | the default action should be taken. This field may be NULL, in |
137 | which case the default action will always be taken. */ | |
b34976b6 | 138 | bfd_boolean (*place_orphan) |
252b5132 RH |
139 | PARAMS ((struct lang_input_statement_struct *, asection *)); |
140 | ||
5cc18311 KH |
141 | /* Run after assigning parsing with the args, but before |
142 | reading the script. Used to initialize symbols used in the script. */ | |
252b5132 RH |
143 | void (*set_symbols) PARAMS ((void)); |
144 | ||
145 | /* Run to parse args which the base linker doesn't | |
5cc18311 | 146 | understand. Return non zero on sucess. */ |
252b5132 RH |
147 | int (*parse_args) PARAMS ((int, char **)); |
148 | ||
149 | /* Run to handle files which are not recognized as object files or | |
b34976b6 AM |
150 | archives. Return TRUE if the file was handled. */ |
151 | bfd_boolean (*unrecognized_file) | |
252b5132 RH |
152 | PARAMS ((struct lang_input_statement_struct *)); |
153 | ||
154 | /* Run to list the command line options which parse_args handles. */ | |
155 | void (* list_options) PARAMS ((FILE *)); | |
156 | ||
157 | /* Run to specially handle files which *are* recognized as object | |
b34976b6 AM |
158 | files or archives. Return TRUE if the file was handled. */ |
159 | bfd_boolean (*recognized_file) | |
252b5132 RH |
160 | PARAMS ((struct lang_input_statement_struct *)); |
161 | ||
344a211f NC |
162 | /* Called when looking for libraries in a directory specified |
163 | via a linker command line option or linker script option. | |
164 | Files that match the pattern "lib*.a" have already been scanned. | |
165 | (For VMS files matching ":lib*.a" have also been scanned). */ | |
166 | int (* find_potential_libraries) | |
167 | PARAMS ((char *, struct lang_input_statement_struct *)); | |
5cc18311 | 168 | |
fac1652d AM |
169 | /* Called when adding a new version pattern. PowerPC64-ELF uses |
170 | this hook to add a pattern matching ".foo" for every "foo". */ | |
171 | struct bfd_elf_version_expr * (*new_vers_pattern) | |
172 | PARAMS ((struct bfd_elf_version_expr *)); | |
173 | ||
252b5132 RH |
174 | } ld_emulation_xfer_type; |
175 | ||
89cdebba | 176 | typedef enum { |
252b5132 | 177 | intel_ic960_ld_mode_enum, |
89cdebba | 178 | default_mode_enum, |
252b5132 RH |
179 | intel_gld960_ld_mode_enum |
180 | } lang_emulation_mode_enum_type; | |
181 | ||
182 | extern ld_emulation_xfer_type *ld_emulations[]; | |
183 | ||
184 | #endif |