Commit | Line | Data |
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252b5132 | 1 | /* BFD support for Sparc binaries under LynxOS. |
42ef282f | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, |
9553c638 | 3 | 2001, 2002, 2003, 2005 Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of BFD, the Binary File Descriptor library. | |
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 2 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, write to the Free Software | |
3e110533 | 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 | 20 | |
e43d48cc AM |
21 | /* Do not "beautify" the CONCAT* macro args. Traditional C will not |
22 | remove whitespace added here, and thus will fail to concatenate | |
23 | the tokens. */ | |
24 | #define MY(OP) CONCAT2 (sparclynx_aout_,OP) | |
252b5132 RH |
25 | #define TARGETNAME "a.out-sparc-lynx" |
26 | ||
27 | #include "bfd.h" | |
28 | #include "sysdep.h" | |
29 | #include "libbfd.h" | |
30 | ||
31 | #include "aout/sun4.h" | |
32 | #include "libaout.h" /* BFD a.out internal data structures */ | |
33 | ||
34 | #include "aout/aout64.h" | |
35 | #include "aout/stab_gnu.h" | |
36 | #include "aout/ar.h" | |
37 | ||
dc810e39 | 38 | void NAME (lynx,set_arch_mach) PARAMS ((bfd *, unsigned long)); |
42ef282f | 39 | static void choose_reloc_size PARAMS ((bfd *)); |
b34976b6 | 40 | static bfd_boolean NAME (aout,sparclynx_write_object_contents) PARAMS ((bfd *)); |
42ef282f | 41 | |
252b5132 RH |
42 | /* This is needed to reject a NewsOS file, e.g. in |
43 | gdb/testsuite/gdb.t10/crossload.exp. <kingdon@cygnus.com> | |
44 | I needed to add M_UNKNOWN to recognize a 68000 object, so this will | |
7b82c249 | 45 | probably no longer reject a NewsOS object. <ian@cygnus.com>. */ |
252b5132 RH |
46 | #define MACHTYPE_OK(mtype) ((mtype) == M_UNKNOWN \ |
47 | || (mtype) == M_68010 \ | |
48 | || (mtype) == M_68020 \ | |
49 | || (mtype) == M_SPARC) | |
50 | ||
42ef282f NC |
51 | /* The file @code{aoutf1.h} contains the code for BFD's |
52 | a.out back end. Control over the generated back end is given by these | |
53 | two preprocessor names: | |
54 | @table @code | |
55 | @item ARCH_SIZE | |
56 | This value should be either 32 or 64, depending upon the size of an | |
57 | int in the target format. It changes the sizes of the structs which | |
58 | perform the memory/disk mapping of structures. | |
59 | ||
60 | The 64 bit backend may only be used if the host compiler supports 64 | |
61 | ints (eg long long with gcc), by defining the name @code{BFD_HOST_64_BIT} in @code{bfd.h}. | |
62 | With this name defined, @emph{all} bfd operations are performed with 64bit | |
63 | arithmetic, not just those to a 64bit target. | |
64 | ||
65 | @item TARGETNAME | |
66 | The name put into the target vector. | |
67 | @item | |
68 | @end table */ | |
252b5132 RH |
69 | |
70 | void | |
71 | NAME(lynx,set_arch_mach) (abfd, machtype) | |
72 | bfd *abfd; | |
dc810e39 | 73 | unsigned long machtype; |
252b5132 RH |
74 | { |
75 | /* Determine the architecture and machine type of the object file. */ | |
76 | enum bfd_architecture arch; | |
dc810e39 | 77 | unsigned long machine; |
42ef282f | 78 | |
252b5132 RH |
79 | switch (machtype) |
80 | { | |
252b5132 RH |
81 | case M_UNKNOWN: |
82 | /* Some Sun3s make magic numbers without cpu types in them, so | |
7b82c249 | 83 | we'll default to the 68000. */ |
252b5132 RH |
84 | arch = bfd_arch_m68k; |
85 | machine = bfd_mach_m68000; | |
86 | break; | |
87 | ||
88 | case M_68010: | |
89 | case M_HP200: | |
90 | arch = bfd_arch_m68k; | |
91 | machine = bfd_mach_m68010; | |
92 | break; | |
93 | ||
94 | case M_68020: | |
95 | case M_HP300: | |
96 | arch = bfd_arch_m68k; | |
97 | machine = bfd_mach_m68020; | |
98 | break; | |
99 | ||
100 | case M_SPARC: | |
101 | arch = bfd_arch_sparc; | |
102 | machine = 0; | |
103 | break; | |
104 | ||
105 | case M_386: | |
106 | case M_386_DYNIX: | |
107 | arch = bfd_arch_i386; | |
108 | machine = 0; | |
109 | break; | |
110 | ||
111 | case M_29K: | |
112 | arch = bfd_arch_a29k; | |
113 | machine = 0; | |
114 | break; | |
115 | ||
116 | case M_HPUX: | |
117 | arch = bfd_arch_m68k; | |
118 | machine = 0; | |
119 | break; | |
120 | ||
121 | default: | |
122 | arch = bfd_arch_obscure; | |
123 | machine = 0; | |
124 | break; | |
125 | } | |
126 | bfd_set_arch_mach (abfd, arch, machine); | |
127 | } | |
128 | ||
129 | #define SET_ARCH_MACH(ABFD, EXEC) \ | |
7b82c249 | 130 | NAME(lynx,set_arch_mach) (ABFD, N_MACHTYPE (EXEC)); \ |
252b5132 RH |
131 | choose_reloc_size(ABFD); |
132 | ||
42ef282f NC |
133 | /* Determine the size of a relocation entry, based on the architecture. */ |
134 | ||
252b5132 RH |
135 | static void |
136 | choose_reloc_size (abfd) | |
137 | bfd *abfd; | |
138 | { | |
139 | switch (bfd_get_arch (abfd)) | |
140 | { | |
141 | case bfd_arch_sparc: | |
142 | case bfd_arch_a29k: | |
143 | obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; | |
144 | break; | |
145 | default: | |
146 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; | |
147 | break; | |
148 | } | |
149 | } | |
150 | ||
151 | /* Write an object file in LynxOS format. | |
152 | Section contents have already been written. We write the | |
153 | file header, symbols, and relocation. */ | |
154 | ||
b34976b6 | 155 | static bfd_boolean |
252b5132 RH |
156 | NAME(aout,sparclynx_write_object_contents) (abfd) |
157 | bfd *abfd; | |
158 | { | |
159 | struct external_exec exec_bytes; | |
160 | struct internal_exec *execp = exec_hdr (abfd); | |
161 | ||
162 | /* Magic number, maestro, please! */ | |
163 | switch (bfd_get_arch (abfd)) | |
164 | { | |
165 | case bfd_arch_m68k: | |
166 | switch (bfd_get_mach (abfd)) | |
167 | { | |
168 | case bfd_mach_m68010: | |
169 | N_SET_MACHTYPE (*execp, M_68010); | |
170 | break; | |
171 | default: | |
172 | case bfd_mach_m68020: | |
173 | N_SET_MACHTYPE (*execp, M_68020); | |
174 | break; | |
175 | } | |
176 | break; | |
177 | case bfd_arch_sparc: | |
178 | N_SET_MACHTYPE (*execp, M_SPARC); | |
179 | break; | |
180 | case bfd_arch_i386: | |
181 | N_SET_MACHTYPE (*execp, M_386); | |
182 | break; | |
183 | case bfd_arch_a29k: | |
184 | N_SET_MACHTYPE (*execp, M_29K); | |
185 | break; | |
186 | default: | |
187 | N_SET_MACHTYPE (*execp, M_UNKNOWN); | |
188 | } | |
189 | ||
190 | choose_reloc_size (abfd); | |
191 | ||
192 | N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); | |
193 | ||
194 | WRITE_HEADERS (abfd, execp); | |
195 | ||
b34976b6 | 196 | return TRUE; |
252b5132 RH |
197 | } |
198 | ||
199 | #define MY_set_sizes sparclynx_set_sizes | |
b34976b6 | 200 | static bfd_boolean sparclynx_set_sizes PARAMS ((bfd *)); |
42ef282f | 201 | |
b34976b6 | 202 | static bfd_boolean |
252b5132 RH |
203 | sparclynx_set_sizes (abfd) |
204 | bfd *abfd; | |
205 | { | |
206 | switch (bfd_get_arch (abfd)) | |
207 | { | |
208 | default: | |
b34976b6 | 209 | return FALSE; |
252b5132 RH |
210 | case bfd_arch_sparc: |
211 | adata (abfd).page_size = 0x2000; | |
212 | adata (abfd).segment_size = 0x2000; | |
213 | adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; | |
b34976b6 | 214 | return TRUE; |
252b5132 RH |
215 | case bfd_arch_m68k: |
216 | adata (abfd).page_size = 0x2000; | |
217 | adata (abfd).segment_size = 0x20000; | |
218 | adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; | |
b34976b6 | 219 | return TRUE; |
252b5132 RH |
220 | } |
221 | } | |
222 | ||
dc810e39 | 223 | static const struct aout_backend_data sparclynx_aout_backend = |
42ef282f NC |
224 | { |
225 | 0, 1, 0, 1, 0, sparclynx_set_sizes, 0, | |
226 | 0, /* add_dynamic_symbols */ | |
227 | 0, /* add_one_symbol */ | |
228 | 0, /* link_dynamic_object */ | |
229 | 0, /* write_dynamic_symbol */ | |
230 | 0, /* check_dynamic_reloc */ | |
231 | 0 /* finish_dynamic_link */ | |
232 | }; | |
252b5132 RH |
233 | \f |
234 | ||
235 | #define MY_bfd_debug_info_start bfd_void | |
236 | #define MY_bfd_debug_info_end bfd_void | |
237 | #define MY_bfd_debug_info_accumulate \ | |
198beae2 | 238 | (void (*) PARAMS ((bfd *, struct bfd_section *))) bfd_void |
252b5132 RH |
239 | |
240 | #define MY_write_object_contents NAME(aout,sparclynx_write_object_contents) | |
241 | #define MY_backend_data &sparclynx_aout_backend | |
242 | ||
243 | #define TARGET_IS_BIG_ENDIAN_P | |
244 | ||
245 | #ifdef LYNX_CORE | |
246 | ||
b34976b6 AM |
247 | char * lynx_core_file_failing_command (); |
248 | int lynx_core_file_failing_signal (); | |
249 | bfd_boolean lynx_core_file_matches_executable_p (); | |
42ef282f | 250 | const bfd_target * lynx_core_file_p (); |
252b5132 RH |
251 | |
252 | #define MY_core_file_failing_command lynx_core_file_failing_command | |
253 | #define MY_core_file_failing_signal lynx_core_file_failing_signal | |
254 | #define MY_core_file_matches_executable_p lynx_core_file_matches_executable_p | |
255 | #define MY_core_file_p lynx_core_file_p | |
256 | ||
257 | #endif /* LYNX_CORE */ | |
258 | ||
259 | #include "aout-target.h" |