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ef114eafbf
2014-02-17 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/microblaze: Move directory from ports/sysdeps/microblaze.
* sysdeps/unix/sysv/linux/microblaze: Move directory from
ports/sysdeps/unix/sysv/linux/microblaze.
* README: Add missing listing for microblaze*-*-linux-gnu.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
85 lines
2.7 KiB
ArmAsm
85 lines
2.7 KiB
ArmAsm
/* Copyright (C) 1995-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file with other
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programs, and to distribute those programs without any restriction
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coming from the use of this file. (The GNU Lesser General Public
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License restrictions do apply in other respects; for example, they
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cover modification of the file, and distribution when not linked
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into another program.)
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Note that people who make modified versions of this file are not
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obligated to grant this special exception for their modified
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versions; it is their choice whether to do so. The GNU Lesser
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General Public License gives permission to release a modified
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version without this exception; this exception also makes it
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possible to release a modified version which carries forward this
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exception.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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.text
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.globl _start
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.type _start,@function
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_start:
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/* On entry the stack contains the following args:
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r1+0 - argc
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r1+4 - argv[0]
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...
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r1+4*(argc-1) - argv[argc-1]
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r1+4*argc - NULL
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r1+4*argc + 4 - envp[0]
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...
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NULL
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*/
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addk r3,r0,r0
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addk r5,r1,r0
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1:
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addik r5,r5,4
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lw r4,r5,r0
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bneid r4,1b
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addik r3,r3,1
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addik r6,r3,-1
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sw r6,r1,r0
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addik r7,r1,4
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addik r1,r1,-24
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#ifdef SHARED
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/* Setup PIC. */
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mfs r20,rpc
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addik r20,r20,_GLOBAL_OFFSET_TABLE_+8
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lwi r5,r20,main@GOT
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lwi r8,r20,__libc_csu_init@GOT
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lwi r9,r20,__libc_csu_fini@GOT
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brid __libc_start_main@PLT
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addk r10,r0,r0
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#else
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addik r5,r0,main
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addik r8,r0,__libc_csu_init
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addik r9,r0,__libc_csu_fini
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brid __libc_start_main
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addk r10,r0,r0
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#endif
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/* Define a symbol for the first piece of initialized data. */
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.data
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.globl __data_start
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__data_start:
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.long 0
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.weak data_start
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data_start = __data_start
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