| 1 | # This shell script emits a C file. -*- C -*- |
| 2 | # It does some substitutions. |
| 3 | fragment <<EOF |
| 4 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of the GNU Binutils. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | MA 02110-1301, USA. */ |
| 22 | |
| 23 | |
| 24 | /* Emulate the Intel's port of gld. */ |
| 25 | |
| 26 | #include "sysdep.h" |
| 27 | #include "bfd.h" |
| 28 | #include "libiberty.h" |
| 29 | #include "bfdlink.h" |
| 30 | |
| 31 | #include "ld.h" |
| 32 | #include "ldmisc.h" |
| 33 | #include "ldmain.h" |
| 34 | |
| 35 | #include "ldexp.h" |
| 36 | #include "ldlang.h" |
| 37 | #include "ldfile.h" |
| 38 | #include "ldemul.h" |
| 39 | |
| 40 | static void gld960_before_parse (void) |
| 41 | { |
| 42 | char *env ; |
| 43 | env = getenv("G960LIB"); |
| 44 | if (env) { |
| 45 | ldfile_add_library_path(env, FALSE); |
| 46 | } |
| 47 | env = getenv("G960BASE"); |
| 48 | if (env) |
| 49 | ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), FALSE); |
| 50 | ldfile_output_architecture = bfd_arch_i960; |
| 51 | } |
| 52 | |
| 53 | static void |
| 54 | gld960_set_output_arch (void) |
| 55 | { |
| 56 | bfd_set_arch_mach (link_info.output_bfd, |
| 57 | ldfile_output_architecture, bfd_mach_i960_core); |
| 58 | } |
| 59 | |
| 60 | static char * |
| 61 | gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) |
| 62 | { |
| 63 | char *from_outside = getenv(TARGET_ENVIRON); |
| 64 | output_filename = "b.out"; |
| 65 | |
| 66 | if (from_outside != (char *)NULL) |
| 67 | return from_outside; |
| 68 | |
| 69 | return "b.out.little"; |
| 70 | } |
| 71 | |
| 72 | static char * |
| 73 | gld960_get_script (int *isfile) |
| 74 | EOF |
| 75 | |
| 76 | if test x"$COMPILE_IN" = xyes |
| 77 | then |
| 78 | # Scripts compiled in. |
| 79 | |
| 80 | # sed commands to quote an ld script as a C string. |
| 81 | sc="-f stringify.sed" |
| 82 | |
| 83 | fragment <<EOF |
| 84 | { |
| 85 | *isfile = 0; |
| 86 | |
| 87 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
| 88 | return |
| 89 | EOF |
| 90 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
| 91 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
| 92 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
| 93 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c |
| 94 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c |
| 95 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
| 96 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c |
| 97 | echo ' ; else return' >> e${EMULATION_NAME}.c |
| 98 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c |
| 99 | echo '; }' >> e${EMULATION_NAME}.c |
| 100 | |
| 101 | else |
| 102 | # Scripts read from the filesystem. |
| 103 | |
| 104 | fragment <<EOF |
| 105 | { |
| 106 | *isfile = 1; |
| 107 | |
| 108 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
| 109 | return "ldscripts/${EMULATION_NAME}.xu"; |
| 110 | else if (bfd_link_relocatable (&link_info)) |
| 111 | return "ldscripts/${EMULATION_NAME}.xr"; |
| 112 | else if (!config.text_read_only) |
| 113 | return "ldscripts/${EMULATION_NAME}.xbn"; |
| 114 | else if (!config.magic_demand_paged) |
| 115 | return "ldscripts/${EMULATION_NAME}.xn"; |
| 116 | else |
| 117 | return "ldscripts/${EMULATION_NAME}.x"; |
| 118 | } |
| 119 | EOF |
| 120 | |
| 121 | fi |
| 122 | |
| 123 | fragment <<EOF |
| 124 | |
| 125 | struct ld_emulation_xfer_struct ld_gld960_emulation = |
| 126 | { |
| 127 | gld960_before_parse, |
| 128 | syslib_default, |
| 129 | hll_default, |
| 130 | after_parse_default, |
| 131 | after_open_default, |
| 132 | after_allocation_default, |
| 133 | gld960_set_output_arch, |
| 134 | gld960_choose_target, |
| 135 | before_allocation_default, |
| 136 | gld960_get_script, |
| 137 | "960", |
| 138 | "", |
| 139 | finish_default, |
| 140 | NULL, /* create output section statements */ |
| 141 | NULL, /* open dynamic archive */ |
| 142 | NULL, /* place orphan */ |
| 143 | NULL, /* set symbols */ |
| 144 | NULL, /* parse args */ |
| 145 | NULL, /* add_options */ |
| 146 | NULL, /* handle_option */ |
| 147 | NULL, /* unrecognized file */ |
| 148 | NULL, /* list options */ |
| 149 | NULL, /* recognized file */ |
| 150 | NULL, /* find_potential_libraries */ |
| 151 | NULL, /* new_vers_pattern */ |
| 152 | NULL /* extra_map_file_text */ |
| 153 | }; |
| 154 | EOF |