| 1 | /* BFD support for Sparc binaries under LynxOS. |
| 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, |
| 3 | 2001, 2002, 2003, 2005, 2007, 2012 Free Software Foundation, Inc. |
| 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 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, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | |
| 23 | /* Do not "beautify" the CONCAT* macro args. Traditional C will not |
| 24 | remove whitespace added here, and thus will fail to concatenate |
| 25 | the tokens. */ |
| 26 | #define MY(OP) CONCAT2 (sparclynx_aout_,OP) |
| 27 | #define TARGETNAME "a.out-sparc-lynx" |
| 28 | |
| 29 | #include "sysdep.h" |
| 30 | #include "bfd.h" |
| 31 | #include "libbfd.h" |
| 32 | |
| 33 | #include "aout/sun4.h" |
| 34 | #include "libaout.h" /* BFD a.out internal data structures */ |
| 35 | |
| 36 | #include "aout/aout64.h" |
| 37 | #include "aout/stab_gnu.h" |
| 38 | #include "aout/ar.h" |
| 39 | |
| 40 | void NAME (lynx,set_arch_mach) (bfd *, unsigned long); |
| 41 | static void choose_reloc_size (bfd *); |
| 42 | static bfd_boolean NAME (aout,sparclynx_write_object_contents) (bfd *); |
| 43 | |
| 44 | /* This is needed to reject a NewsOS file, e.g. in |
| 45 | gdb/testsuite/gdb.t10/crossload.exp. <kingdon@cygnus.com> |
| 46 | I needed to add M_UNKNOWN to recognize a 68000 object, so this will |
| 47 | probably no longer reject a NewsOS object. <ian@cygnus.com>. */ |
| 48 | #define MACHTYPE_OK(mtype) ( (mtype) == M_UNKNOWN \ |
| 49 | || (mtype) == M_68010 \ |
| 50 | || (mtype) == M_68020 \ |
| 51 | || (mtype) == M_SPARC) |
| 52 | |
| 53 | /* The file @code{aoutf1.h} contains the code for BFD's |
| 54 | a.out back end. Control over the generated back end is given by these |
| 55 | two preprocessor names: |
| 56 | @table @code |
| 57 | @item ARCH_SIZE |
| 58 | This value should be either 32 or 64, depending upon the size of an |
| 59 | int in the target format. It changes the sizes of the structs which |
| 60 | perform the memory/disk mapping of structures. |
| 61 | |
| 62 | The 64 bit backend may only be used if the host compiler supports 64 |
| 63 | ints (eg long long with gcc), by defining the name @code{BFD_HOST_64_BIT} in @code{bfd.h}. |
| 64 | With this name defined, @emph{all} bfd operations are performed with 64bit |
| 65 | arithmetic, not just those to a 64bit target. |
| 66 | |
| 67 | @item TARGETNAME |
| 68 | The name put into the target vector. |
| 69 | @item |
| 70 | @end table */ |
| 71 | |
| 72 | void |
| 73 | NAME(lynx,set_arch_mach) (bfd *abfd, unsigned long machtype) |
| 74 | { |
| 75 | /* Determine the architecture and machine type of the object file. */ |
| 76 | enum bfd_architecture arch; |
| 77 | unsigned long machine; |
| 78 | |
| 79 | switch (machtype) |
| 80 | { |
| 81 | case M_UNKNOWN: |
| 82 | /* Some Sun3s make magic numbers without cpu types in them, so |
| 83 | we'll default to the 68000. */ |
| 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_HPUX: |
| 112 | arch = bfd_arch_m68k; |
| 113 | machine = 0; |
| 114 | break; |
| 115 | |
| 116 | default: |
| 117 | arch = bfd_arch_obscure; |
| 118 | machine = 0; |
| 119 | break; |
| 120 | } |
| 121 | bfd_set_arch_mach (abfd, arch, machine); |
| 122 | } |
| 123 | |
| 124 | #define SET_ARCH_MACH(ABFD, EXEC) \ |
| 125 | NAME(lynx,set_arch_mach) (ABFD, N_MACHTYPE (EXEC)); \ |
| 126 | choose_reloc_size(ABFD); |
| 127 | |
| 128 | /* Determine the size of a relocation entry, based on the architecture. */ |
| 129 | |
| 130 | static void |
| 131 | choose_reloc_size (bfd *abfd) |
| 132 | { |
| 133 | switch (bfd_get_arch (abfd)) |
| 134 | { |
| 135 | case bfd_arch_sparc: |
| 136 | obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; |
| 137 | break; |
| 138 | default: |
| 139 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 140 | break; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | /* Write an object file in LynxOS format. |
| 145 | Section contents have already been written. We write the |
| 146 | file header, symbols, and relocation. */ |
| 147 | |
| 148 | static bfd_boolean |
| 149 | NAME(aout,sparclynx_write_object_contents) (bfd *abfd) |
| 150 | { |
| 151 | struct external_exec exec_bytes; |
| 152 | struct internal_exec *execp = exec_hdr (abfd); |
| 153 | |
| 154 | /* Magic number, maestro, please! */ |
| 155 | switch (bfd_get_arch (abfd)) |
| 156 | { |
| 157 | case bfd_arch_m68k: |
| 158 | switch (bfd_get_mach (abfd)) |
| 159 | { |
| 160 | case bfd_mach_m68010: |
| 161 | N_SET_MACHTYPE (*execp, M_68010); |
| 162 | break; |
| 163 | default: |
| 164 | case bfd_mach_m68020: |
| 165 | N_SET_MACHTYPE (*execp, M_68020); |
| 166 | break; |
| 167 | } |
| 168 | break; |
| 169 | case bfd_arch_sparc: |
| 170 | N_SET_MACHTYPE (*execp, M_SPARC); |
| 171 | break; |
| 172 | case bfd_arch_i386: |
| 173 | N_SET_MACHTYPE (*execp, M_386); |
| 174 | break; |
| 175 | default: |
| 176 | N_SET_MACHTYPE (*execp, M_UNKNOWN); |
| 177 | } |
| 178 | |
| 179 | choose_reloc_size (abfd); |
| 180 | |
| 181 | N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); |
| 182 | |
| 183 | WRITE_HEADERS (abfd, execp); |
| 184 | |
| 185 | return TRUE; |
| 186 | } |
| 187 | |
| 188 | #define MY_set_sizes sparclynx_set_sizes |
| 189 | static bfd_boolean sparclynx_set_sizes (bfd *); |
| 190 | |
| 191 | static bfd_boolean |
| 192 | sparclynx_set_sizes (bfd *abfd) |
| 193 | { |
| 194 | switch (bfd_get_arch (abfd)) |
| 195 | { |
| 196 | default: |
| 197 | return FALSE; |
| 198 | case bfd_arch_sparc: |
| 199 | adata (abfd).page_size = 0x2000; |
| 200 | adata (abfd).segment_size = 0x2000; |
| 201 | adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; |
| 202 | return TRUE; |
| 203 | case bfd_arch_m68k: |
| 204 | adata (abfd).page_size = 0x2000; |
| 205 | adata (abfd).segment_size = 0x20000; |
| 206 | adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; |
| 207 | return TRUE; |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | static const struct aout_backend_data sparclynx_aout_backend = |
| 212 | { |
| 213 | 0, 1, 0, 1, 0, sparclynx_set_sizes, 0, |
| 214 | 0, /* add_dynamic_symbols */ |
| 215 | 0, /* add_one_symbol */ |
| 216 | 0, /* link_dynamic_object */ |
| 217 | 0, /* write_dynamic_symbol */ |
| 218 | 0, /* check_dynamic_reloc */ |
| 219 | 0 /* finish_dynamic_link */ |
| 220 | }; |
| 221 | \f |
| 222 | |
| 223 | #define MY_bfd_debug_info_start bfd_void |
| 224 | #define MY_bfd_debug_info_end bfd_void |
| 225 | #define MY_bfd_debug_info_accumulate \ |
| 226 | (void (*) (bfd *, struct bfd_section *)) bfd_void |
| 227 | |
| 228 | #define MY_write_object_contents NAME(aout,sparclynx_write_object_contents) |
| 229 | #define MY_backend_data &sparclynx_aout_backend |
| 230 | |
| 231 | #define TARGET_IS_BIG_ENDIAN_P |
| 232 | |
| 233 | #ifdef LYNX_CORE |
| 234 | |
| 235 | char * lynx_core_file_failing_command (); |
| 236 | int lynx_core_file_failing_signal (); |
| 237 | bfd_boolean lynx_core_file_matches_executable_p (); |
| 238 | const bfd_target * lynx_core_file_p (); |
| 239 | |
| 240 | #define MY_core_file_failing_command lynx_core_file_failing_command |
| 241 | #define MY_core_file_failing_signal lynx_core_file_failing_signal |
| 242 | #define MY_core_file_matches_executable_p lynx_core_file_matches_executable_p |
| 243 | #define MY_core_file_p lynx_core_file_p |
| 244 | |
| 245 | #endif /* LYNX_CORE */ |
| 246 | |
| 247 | #include "aout-target.h" |