diff options
Diffstat (limited to 'ld')
| -rwxr-xr-x | ld/i386aout.c | 159 | ||||
| -rwxr-xr-x | ld/i386aout.sc | 25 |
2 files changed, 184 insertions, 0 deletions
diff --git a/ld/i386aout.c b/ld/i386aout.c new file mode 100755 index 0000000..7bd06c5 --- /dev/null +++ b/ld/i386aout.c @@ -0,0 +1,159 @@ +/* NOTE: If there are angle brackets here: I386AOUT then this is a + * template file (ldtemplate), intended for processing by sed. + * Otherwise, this file has already been processed by sed, + * and customized for a particular emulation target. + * In that DO NOT EDIT the file; edit ldtemplate instead. + */ + +/* emulate the original gld for the given I386AOUT + Copyright (C) 1991 Free Software Foundation, Inc. + Written by Steve Chamberlain steve@cygnus.com + +This file is part of GLD, the Gnu Linker. + +This program 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 2 of the License, or +(at your option) any later version. + +This program 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 this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * $Id:# + */ + +#define TARGET_IS_I386AOUT + + +#include "bfd.h" +#include "sysdep.h" +#include "ld.h" +#include "config.h" +#include "ldemul.h" +#include "ldfile.h" +#include "ldmisc.h" + +extern boolean lang_float_flag; + + +extern enum bfd_architecture ldfile_output_architecture; +extern unsigned long ldfile_output_machine; +extern char *ldfile_output_machine_name; + +extern bfd *output_bfd; + + + +static void gldi386aout_before_parse() +{ +#ifdef TARGET_IS_M88KBCS + extern char lprefix; + lprefix = '@'; +#else +#ifndef TARGET_ /* I.e., if not generic */ + ldfile_output_architecture = bfd_arch_i386; +#endif +#endif +} + + +static void +gldi386aout_after_parse() +{ + +} + +static void +gldi386aout_after_allocation() +{ + +} + +static void +gldi386aout_before_allocation() +{ + +} + + +static void +gldi386aout_set_output_arch() +{ + /* Set the output architecture and machine if possible */ + bfd_set_arch_mach(output_bfd, + ldfile_output_architecture, ldfile_output_machine); +} + +static char * +gldi386aout_choose_target() +{ + char *from_outside = getenv(TARGET_ENVIRON); + if (from_outside != (char *)NULL) + return from_outside; + return GLDI386AOUT_TARGET; +} + +static void +gldi386aout_syslib() +{ + info("%S SYSLIB ignored\n"); +} + +static void +gldi386aout_hll(ignore) +char *ignore; +{ + info("%S HLL ignored\n"); +} + +static char *gldi386aout_script = +#include "i386aout.x" +; +static char *gldi386aout_script_option_Ur = +#include "i386aout.xu" +; +static char *gldi386aout_script_option_r = +#include "i386aout.xr" +; +static char *gldi386aout_script_option_n = /* Used with -n flag. */ +#include "i386aout.xn" +; +static char *gldi386aout_script_option_N = /* Used with -N flag. */ +#include "i386aout.xN" +; + +static char *gldi386aout_get_script() +{ + extern ld_config_type config; + if (config.relocateable_output == true && + config.build_constructors == true) { + return gldi386aout_script_option_Ur; + } + if (config.relocateable_output == true) { + return gldi386aout_script_option_r; + } + if (!config.text_read_only) + return gldi386aout_script_option_N; + if (!config.magic_demand_paged) + return gldi386aout_script_option_n; + return gldi386aout_script; +} +struct ld_emulation_xfer_struct ld_gldi386aout_emulation = +{ + gldi386aout_before_parse, + gldi386aout_syslib, + gldi386aout_hll, + gldi386aout_after_parse, + gldi386aout_after_allocation, + gldi386aout_set_output_arch, + gldi386aout_choose_target, + gldi386aout_before_allocation, + gldi386aout_get_script, +}; diff --git a/ld/i386aout.sc b/ld/i386aout.sc new file mode 100755 index 0000000..82133cc --- /dev/null +++ b/ld/i386aout.sc @@ -0,0 +1,25 @@ +OUTPUT_FORMAT("a.out-i386") +OUTPUT_ARCH(i386) + +__DYNAMIC = 0; +SECTIONS +{ + .text 0 BLOCK(0x1000) : + { + CREATE_OBJECT_SYMBOLS + *(.text) + _etext = ALIGN(0x1000); + } + .data ALIGN(0x1000) : + { + *(.data) + CONSTRUCTORS + _edata = .; + } + .bss SIZEOF(.data) + ADDR(.data) : + { + *(.bss) + [COMMON] + _end = .; + } +} |