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From-SVN: r1649
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Richard Stallman
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3 changed files with 196 additions and 0 deletions
84
gcc/config/sparc/sol2-c1.asm
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84
gcc/config/sparc/sol2-c1.asm
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! crt1.s for solaris 2.0.
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! Copyright (C) 1992 Free Software Foundation, Inc.
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! Written By David Vinayak Henkel-Wallace, June 1992
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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, 675 Mass Ave, Cambridge, MA 02139, 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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! This file takes control of the process from the kernel, as specified
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! in section 3 of the SVr4 ABI.
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! This file is the first thing linked into any executable.
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.section ".text"
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.proc 022
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.global _start
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_start:
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mov 0, %fp ! Mark bottom frame pointer
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ld [%sp + 64], %l0 ! argc
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add %sp, 68, %l1 ! argv
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! Leave some room for a call. Sun leaves 32 octets (to sit on
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! a cache line?) so we do too.
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sub %sp, 32, %sp
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! %g1 may contain a function to be registered w/atexit
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orcc %g0, %g1, %g0
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be .nope
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mov %g1, %o0
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call atexit
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nop
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.nope:
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! Now make sure constructors and destructors are handled.
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set _fini, %o0
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call atexit, 1
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nop
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call _init, 0
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nop
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! We ignore the auxiliary vector; there's no defined way to
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! access those data anyway. Instead, go straight to main:
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mov %l0, %o0 ! argc
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mov %l1, %o1 ! argv
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! Skip argc words past argv, to env:
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sll %l0, 2, %o2
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add %o2, 4, %o2
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add %l1, %o2, %o2 ! env
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set _environ, %o3 ! *_environ
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call main, 4
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nop
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call exit, 0
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nop
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call _exit, 0
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nop
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! We should never get here.
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.type _start,#function
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.size _start,.-_start
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59
gcc/config/sparc/sol2-ci.asm
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59
gcc/config/sparc/sol2-ci.asm
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! crti.s for solaris 2.0.
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! Copyright (C) 1992 Free Software Foundation, Inc.
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! Written By David Vinayak Henkel-Wallace, June 1992
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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, 675 Mass Ave, Cambridge, MA 02139, 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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! This file just make a stack frame for the contents of the .fini and
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! .init sections. Users may put any desired instructions in those
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! sections.
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! This file is linked in before the Values-Xx.o files and also before
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! crtbegin, with which perhaps it should be merged.
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.file "crti.s"
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.section ".init"
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.proc 022
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.global _init
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.type _init,#function
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.align 4
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_init:
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save %sp, -96, %sp
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.section ".fini"
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.proc 022
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.global _fini
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.type _fini,#function
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.align 4
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_fini:
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save %sp, -96, %sp
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53
gcc/config/sparc/sol2-cn.asm
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53
gcc/config/sparc/sol2-cn.asm
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@ -0,0 +1,53 @@
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! crtn.s for solaris 2.0.
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! Copyright (C) 1992 Free Software Foundation, Inc.
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! Written By David Vinayak Henkel-Wallace, June 1992
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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, 675 Mass Ave, Cambridge, MA 02139, 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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! This file just makes sure that the .fini and .init sections do in
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! fact return. Users may put any desired instructions in those sections.
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! This file is the last thing linked into any executable.
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.file "crtn.s"
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.section ".init"
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.align 4
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ret
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restore
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.section ".fini"
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.align 4
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ret
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restore
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! Th-th-th-that's all folks!
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