5c3049d2ef
and absolute symbols. * ldemul.c (after_open_default): Look up __ld_compatibility. * ldexp.c (fold_name): Convert absolute symbols to numbers when inside output section definitions, or when __ld_compatibility >= 221. (exp_fold_tree_1): Convert numbers to absolute when not in output section definition and __ld_compatibility < 221. Don't always convert values outside an output section definition to absolute. * ldexp.h (uses_defined): Comment. * ldlang.c (ld_compatibility): New variable. * ldlang.h (ld_compatibility): Declare. * emultempl/aix.em, * emultempl/armcoff.em, * emultempl/beos.em, * emultempl/elf32.em, * emultempl/genelf.em, * emultempl/lnk960.em, * emultempl/m68kcoff.em, * emultempl/mmo.em, * emultempl/pe.em, * emultempl/pep.em, * emultempl/sunos.em, * emultempl/z80.em: Call after_open_default from after_open function.
104 lines
2.7 KiB
Text
104 lines
2.7 KiB
Text
# This shell script emits C code -*- C -*-
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# to keep track of the machine type of Z80 object files
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# It does some substitutions.
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# Copyright 2005, 2007, 2008 Free Software Foundation, Inc.
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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LDEMUL_BEFORE_PARSE=gldz80_before_parse
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LDEMUL_RECOGNIZED_FILE=gldz80_recognized_file
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LDEMUL_AFTER_OPEN=gldz80_after_open
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fragment <<EOF
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/* --- \begin{z80.em} */
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/* Codes for machine types, bitwise or gives the code to use for the
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output. */
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#define M_Z80STRICT 1
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#define M_Z80 3
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#define M_Z80FULL 7
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#define M_R800 11
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#define M_Z80ANY 15
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/* Bitwise or of the machine types seen so far. */
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static int result_mach_type;
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static void
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${LDEMUL_BEFORE_PARSE} (void)
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{
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#ifndef TARGET_ /* I.e., if not generic. */
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ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
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#endif /* not TARGET_ */
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result_mach_type = M_Z80STRICT;
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}
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/* Update result_mach_type. */
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static bfd_boolean
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${LDEMUL_RECOGNIZED_FILE} (lang_input_statement_type *entry)
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{
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unsigned long mach_type;
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mach_type = bfd_get_mach (entry->the_bfd);
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switch (mach_type)
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{
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case bfd_mach_z80strict:
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result_mach_type |= M_Z80STRICT;
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break;
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case bfd_mach_z80:
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result_mach_type |= M_Z80;
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break;
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case bfd_mach_z80full:
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result_mach_type |= M_Z80FULL;
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break;
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case bfd_mach_r800:
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result_mach_type |= M_R800;
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break;
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default:
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result_mach_type |= M_Z80ANY;
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}
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return FALSE;
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}
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/* Set the machine type of the output file based on result_mach_type. */
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static void
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gldz80_after_open (void)
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{
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unsigned long mach_type;
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after_open_default ();
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switch (result_mach_type)
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{
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case M_Z80STRICT:
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mach_type = bfd_mach_z80strict;
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break;
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case M_Z80:
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mach_type = bfd_mach_z80;
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break;
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case M_Z80FULL:
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mach_type = bfd_mach_z80full;
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break;
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case M_R800:
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mach_type = bfd_mach_r800;
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break;
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default:
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mach_type = 0;
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}
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bfd_set_arch_mach (link_info.output_bfd, bfd_arch_z80, mach_type);
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}
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/* --- \end{z80.em} */
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EOF
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