| # This shell script emits a C file. -*- C -*- |
| # It does some substitutions. |
| cat >e${EMULATION_NAME}.c <<EOF |
| /* Copyright (C) 1991, 93, 94, 95, 99, 2000 Free Software Foundation, Inc. |
| |
| This file is part of GLD, the Gnu Linker. |
| |
| GLD is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 1, or (at your option) |
| any later version. |
| |
| GLD is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GLD; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| |
| /* |
| * emulate the Intels port of gld |
| */ |
| |
| |
| #include "bfd.h" |
| #include "sysdep.h" |
| #include "libiberty.h" |
| #include "bfdlink.h" |
| |
| #include "ld.h" |
| #include "ldmisc.h" |
| #include "ldmain.h" |
| |
| #include "ldexp.h" |
| #include "ldlang.h" |
| #include "ldfile.h" |
| #include "ldemul.h" |
| |
| #ifdef GNU960 |
| |
| static void |
| gld960_before_parse() |
| { |
| static char *env_variables[] = { "G960LIB", "G960BASE", 0 }; |
| char **p; |
| char *env ; |
| |
| for ( p = env_variables; *p; p++ ){ |
| env = (char *) getenv(*p); |
| if (env) { |
| ldfile_add_library_path (concat (env, |
| "/lib/libbout", |
| (const char *) NULL), |
| false); |
| } |
| } |
| ldfile_output_architecture = bfd_arch_i960; |
| } |
| |
| #else /* not GNU960 */ |
| |
| static void gld960_before_parse() |
| { |
| char *env ; |
| env = getenv("G960LIB"); |
| if (env) { |
| ldfile_add_library_path(env, false); |
| } |
| env = getenv("G960BASE"); |
| if (env) |
| ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), false); |
| ldfile_output_architecture = bfd_arch_i960; |
| } |
| |
| #endif /* GNU960 */ |
| |
| |
| static void |
| gld960_set_output_arch() |
| { |
| bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core); |
| } |
| |
| static char * |
| gld960_choose_target() |
| { |
| #ifdef GNU960 |
| |
| output_filename = "b.out"; |
| return bfd_make_targ_name(BFD_BOUT_FORMAT, 0); |
| |
| #else |
| |
| char *from_outside = getenv(TARGET_ENVIRON); |
| output_filename = "b.out"; |
| |
| if (from_outside != (char *)NULL) |
| return from_outside; |
| |
| return "b.out.little"; |
| |
| #endif |
| } |
| |
| static char * |
| gld960_get_script(isfile) |
| int *isfile; |
| EOF |
| |
| if test -n "$COMPILE_IN" |
| then |
| # Scripts compiled in. |
| |
| # sed commands to quote an ld script as a C string. |
| sc="-f stringify.sed" |
| |
| cat >>e${EMULATION_NAME}.c <<EOF |
| { |
| *isfile = 0; |
| |
| if (link_info.relocateable == true && config.build_constructors == true) |
| return |
| EOF |
| sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
| echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
| echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c |
| echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c |
| echo ' ; else return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c |
| echo '; }' >> e${EMULATION_NAME}.c |
| |
| else |
| # Scripts read from the filesystem. |
| |
| cat >>e${EMULATION_NAME}.c <<EOF |
| { |
| *isfile = 1; |
| |
| if (link_info.relocateable == true && config.build_constructors == true) |
| return "ldscripts/${EMULATION_NAME}.xu"; |
| else if (link_info.relocateable == true) |
| return "ldscripts/${EMULATION_NAME}.xr"; |
| else if (!config.text_read_only) |
| return "ldscripts/${EMULATION_NAME}.xbn"; |
| else if (!config.magic_demand_paged) |
| return "ldscripts/${EMULATION_NAME}.xn"; |
| else |
| return "ldscripts/${EMULATION_NAME}.x"; |
| } |
| EOF |
| |
| fi |
| |
| cat >>e${EMULATION_NAME}.c <<EOF |
| |
| struct ld_emulation_xfer_struct ld_gld960_emulation = |
| { |
| gld960_before_parse, |
| syslib_default, |
| hll_default, |
| after_parse_default, |
| after_open_default, |
| after_allocation_default, |
| gld960_set_output_arch, |
| gld960_choose_target, |
| before_allocation_default, |
| gld960_get_script, |
| "960", |
| "", |
| NULL, /* finish */ |
| NULL, /* create output section statements */ |
| NULL, /* open dynamic archive */ |
| NULL, /* place orphan */ |
| NULL, /* set symbols */ |
| NULL, /* parse args */ |
| NULL, /* unrecognized file */ |
| NULL, /* list options */ |
| NULL, /* recognized file */ |
| NULL /* find_potential_libraries */ |
| }; |
| EOF |