crtbegin.asm, [...]: New files.
* alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files. * configure.in (alpha-*-linux*): Use them. From-SVN: r19051
This commit is contained in:
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@ -1,3 +1,8 @@
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Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
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* alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
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* configure.in (alpha-*-linux*): Use them.
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Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
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* tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
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@ -0,0 +1,104 @@
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# Copyright (C) 1996, 1998 Free Software Foundation, Inc.
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# Contributed by Richard Henderson (rth@tamu.edu)
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2, or (at your option) any
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# later version.
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#
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# In addition to the permissions in the GNU General Public License, the
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# Free Software Foundation gives you unlimited permission to link the
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# compiled version of this file with other programs, and to distribute
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# those programs without any restriction coming from the use of this
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# file. (The General Public License restrictions do apply in other
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# respects; for example, they cover modification of the file, and
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# distribution when not linked into another program.)
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# 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; see the file COPYING. If not, write to
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# the Free Software Foundation, 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# As a special exception, if you link this library with files
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# compiled with GCC to produce an executable, this does not cause
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# the resulting executable to be covered by the GNU General Public License.
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# This exception does not however invalidate any other reasons why
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# the executable file might be covered by the GNU General Public License.
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#
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# Heads of the constructor/destructor lists.
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#
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# The __*TOR_LIST__ symbols are not global because when this file is used
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# in a shared library, we do not want the symbol to fall over to the
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# application's lists.
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.section .ctors,"aw"
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.align 3
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__CTOR_LIST__:
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.quad -1
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.section .dtors,"aw"
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.align 3
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__DTOR_LIST__:
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.quad -1
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#
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# Fragment of the ELF _fini routine that invokes our dtor cleanup.
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#
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.section .fini,"ax"
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# Since the bits of the _fini function are spread across many
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# object files, each potentially with its own GP, we must
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# assume we need to load ours. Further, our .fini section
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# can easily be more than 4MB away from our .text bits so we
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# can't use bsr.
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br $29,1f
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1: ldgp $29,0($29)
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jsr $26,__do_global_dtors_aux
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# Must match the alignment we got from crti.o else we get
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# zero-filled holes in our _fini function and then SIGILL.
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.align 3
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#
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# Invoke our destructors in order.
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#
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.text
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.align 3
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.ent __do_global_dtors_aux
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__do_global_dtors_aux:
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ldgp $29,0($27)
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lda $30,-16($30)
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.frame $30,16,$26,0
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stq $26,0($30)
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.mask 0x4000000,-16
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.prologue 1
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lda $1,__DTOR_LIST__
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br 1f
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0: stq $1,8($30)
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jsr $26,($27)
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ldq $1,8($30)
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1: ldq $27,8($1)
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addq $1,8,$1
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bne $27,0b
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ldq $26,0($30)
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lda $30,16($30)
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ret
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.end __do_global_dtors_aux
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@ -0,0 +1,105 @@
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# Copyright (C) 1996 Free Software Foundation, Inc.
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# Contributed by Richard Henderson (rth@tamu.edu)
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2, or (at your option) any
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# later version.
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#
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# In addition to the permissions in the GNU General Public License, the
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# Free Software Foundation gives you unlimited permission to link the
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# compiled version of this file with other programs, and to distribute
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# those programs without any restriction coming from the use of this
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# file. (The General Public License restrictions do apply in other
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# respects; for example, they cover modification of the file, and
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# distribution when not linked into another program.)
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# 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; see the file COPYING. If not, write to
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# the Free Software Foundation, 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# As a special exception, if you link this library with files
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# compiled with GCC to produce an executable, this does not cause
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# the resulting executable to be covered by the GNU General Public License.
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# This exception does not however invalidate any other reasons why
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# the executable file might be covered by the GNU General Public License.
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#
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# Tails of the constructor/destructor lists.
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#
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# The __*TOR_END__ symbols are not global because when this file is used
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# in a shared library, we do not want the symbol to fall over to the
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# application's lists.
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.section .ctors,"aw"
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.align 3
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__CTOR_END__:
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.quad 0
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.section .dtors,"aw"
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.align 3
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__DTOR_END__:
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.quad 0
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#
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# Fragment of the ELF _init routine that invokes our ctor startup
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#
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.section .init,"ax"
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# Since the bits of the _init function are spread across many
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# object files, each potentially with its own GP, we must
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# assume we need to load ours. Further, our .init section
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# can easily be more than 4MB away from our .text bits so we
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# can't use bsr.
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br $29,1f
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1: ldgp $29,0($29)
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jsr $26,__do_global_ctors_aux
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# Must match the alignment we got from crti.o else we get
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# zero-filled holes in our _init function and thense SIGILL.
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.align 3
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#
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# Invoke our destructors in order.
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#
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.text
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.align 3
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.ent __do_global_ctors_aux
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__do_global_ctors_aux:
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ldgp $29,0($27)
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lda $30,-16($30)
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.frame $30,16,$26,0
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stq $9,8($30)
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stq $26,0($30)
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.mask 0x4000200,-16
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.prologue 1
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lda $9,__CTOR_END__
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br 1f
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0: jsr $26,($27)
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1: ldq $27,-8($9)
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subq $9,8,$9
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not $27,$0
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bne $0,0b
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ldq $26,0($30)
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ldq $9,8($30)
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lda $30,16($30)
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ret
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.end __do_global_ctors_aux
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@ -0,0 +1,9 @@
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# Effectively disable the crtbegin/end rules using crtstuff.c
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T = disable
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# Assemble startup files.
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crtbegin.o: $(srcdir)/config/alpha/crtbegin.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) -c -o crtbegin.o -x assembler $(srcdir)/config/alpha/crtbegin.asm
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crtend.o: $(srcdir)/config/alpha/crtend.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) -c -o crtend.o -x assembler $(srcdir)/config/alpha/crtend.asm
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@ -2016,7 +2016,8 @@ for machine in $build $host $target; do
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tm_file="${tm_file} alpha/elf.h alpha/linux-elf.h alpha/linux.h"
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xm_defines=USE_BFD
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target_cpu_default="MASK_GAS"
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tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux"
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tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux alpha/t-crtbe"
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extra_parts="crtbegin.o crtend.o"
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xmake_file=none
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gas=yes gnu_ld=yes
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if [ x$enable_threads = xyes ]; then
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tm_file="${tm_file} alpha/elf.h alpha/linux-elf.h alpha/linux.h"
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xm_defines=USE_BFD
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target_cpu_default="MASK_GAS"
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tmake_file="t-linux alpha/t-linux"
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tmake_file="t-linux alpha/t-linux alpha/t-crtbe"
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extra_parts="crtbegin.o crtend.o"
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xmake_file=none
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fixincludes=Makefile.in
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gas=yes gnu_ld=yes
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@ -333,7 +333,8 @@ for machine in $build $host $target; do
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tm_file="${tm_file} alpha/elf.h alpha/linux-elf.h alpha/linux.h"
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xm_defines=USE_BFD
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target_cpu_default="MASK_GAS"
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tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux"
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tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux alpha/t-crtbe"
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extra_parts="crtbegin.o crtend.o"
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xmake_file=none
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gas=yes gnu_ld=yes
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if [[ x$enable_threads = xyes ]]; then
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tm_file="${tm_file} alpha/elf.h alpha/linux-elf.h alpha/linux.h"
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xm_defines=USE_BFD
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target_cpu_default="MASK_GAS"
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tmake_file="t-linux alpha/t-linux"
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tmake_file="t-linux alpha/t-linux alpha/t-crtbe"
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extra_parts="crtbegin.o crtend.o"
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xmake_file=none
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fixincludes=Makefile.in
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gas=yes gnu_ld=yes
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