binutils-gdb/ld/emultempl/needrelax.em

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# This shell script emits a C file. -*- C -*-
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# Copyright 2001, 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
#
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# This file is part of the GNU Binutils.
#
# 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
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# the Free Software Foundation; either version 3 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
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
#
# This file is sourced from elf32.em. It is used by targets for
# which relaxation is not just an optimization, but for correctness.
LDEMUL_BEFORE_ALLOCATION=need_relax_${EMULATION_NAME}_before_allocation
2007-07-19 Roland McGrath <roland@redhat.com> * genscripts.sh (source_em, fragment): New sh functions. Truncate e${EMULATION_NAME}.c file before .em script fills it. Use source_em in place of . for the .em script. * emultempl/generic.em: Use fragment and source_em functions. * emultempl/aix.em: Likewise. * emultempl/alphaelf.em: Likewise. * emultempl/armcoff.em: Likewise. * emultempl/armelf.em: Likewise. * emultempl/avrelf.em: Likewise. * emultempl/beos.em: Likewise. * emultempl/cr16elf.em: Likewise. * emultempl/crxelf.em: Likewise. * emultempl/elf-generic.em: Likewise. * emultempl/elf32.em: Likewise. * emultempl/genelf.em: Likewise. * emultempl/gld960.em: Likewise. * emultempl/gld960c.em: Likewise. * emultempl/hppaelf.em: Likewise. * emultempl/ia64elf.em: Likewise. * emultempl/irix.em: Likewise. * emultempl/linux.em: Likewise. * emultempl/lnk960.em: Likewise. * emultempl/m68hc1xelf.em: Likewise. * emultempl/m68kcoff.em: Likewise. * emultempl/m68kelf.em: Likewise. * emultempl/mipsecoff.em: Likewise. * emultempl/mipself.em: Likewise. * emultempl/mmix-elfnmmo.em: Likewise. * emultempl/mmixelf.em: Likewise. * emultempl/mmo.em: Likewise. * emultempl/needrelax.em: Likewise. * emultempl/netbsd.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/pep.em: Likewise. * emultempl/ppc32elf.em: Likewise. * emultempl/ppc64elf.em: Likewise. * emultempl/scoreelf.em: Likewise. * emultempl/sh64elf.em: Likewise. * emultempl/spuelf.em: Likewise. * emultempl/sunos.em: Likewise. * emultempl/ticoff.em: Likewise. * emultempl/vanilla.em: Likewise. * emultempl/vxworks.em: Likewise. * emultempl/xtensaelf.em: Likewise. * emultempl/z80.em: Likewise.
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fragment <<EOF
static void
need_relax_${EMULATION_NAME}_before_allocation (void)
{
/* Call main function; we're just extending it. */
gld${EMULATION_NAME}_before_allocation ();
/* Force -relax on if not doing a relocatable link. */
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if (! link_info.relocatable)
PR ld/10956 * ld.h (struct args_type): Rename 'relax' field to 'disable_target_specific_optimizations' and turn it into a tri-state variable. (RELAXATION_DISABLED_BY_DEFAULT): New macro. (RELAXATION_DISABLED_BY_USER): New macro. (RELAXATION_ENABLED): New macro. (DISABLE_RELAXATION): New macro. (ENABLE_RELAXATION): New macro. * lexsup (enum option_values): Add OPTION_NO_RELAX. (struct ld_options): Add --no-relax. (parse_args): Handle OPTION_NO_RELAX. Use DISABLE_RELAXATION and ENABLE_RELAXATION macros. * ldlang.c (lang_relax_sections): Use RELAXATION_ENABLED macro. (lang_process): Likewise. * ldmain.c (main): Initialise disable_target_specific_optimizations field. (multiple_definition): Use RELAXATION_ENABLED macro. * ld.texinfo: Document new command line option. * emultempl/alphaelf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_DISABLED_BY_USER macro. Use ENABLE_RELAXATION macro. * emultempl/avrelf.em: (after_allocation): Test RELAXATION_ENABLED macro. * emultempl/cr16elf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_DISABLED_BY_USER macro. Use ENABLE_RELAXATION macro. * emultempl/crxelf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_DISABLED_BY_USER macro. Use ENABLE_RELAXATION macro. * emultempl/mmix-elfnmmo.em: (before_allocation): Use ENABLE_RELAXATION macro. * emultempl/needrelax.em: (before_allocation): Use ENABLE_RELAXATION macro. * emultempl/ppc32elf.em: (before_allocation): Test RELAXATION_DISABLED_BY_DEFAULT macro. Use ENABLE_RELAXATION macro. * emultempl/sh64elf.em: (before_allocation): Test RELAXATION_ENABLED macro. Use DISABLE_RELAXATION macro. * emultempl/xtensaelf.em: Remove --no-relax option. (before_allocation): Test RELAXATION_ENABLED macro. Use ENABLE_RELAXATION macro.
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ENABLE_RELAXATION;
}
EOF