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30891f35fa
We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
113 lines
3.2 KiB
ArmAsm
113 lines
3.2 KiB
ArmAsm
/* Copyright (C) 1999-2021 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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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <asm/fpu.h>
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/*
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* Arguments for __libc_start_main:
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* out0: main
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* out1: argc
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* out2: argv
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* out3: init
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* out4: fini
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* out5: rtld_fini
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* out6: stack_end
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*/
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.align 32
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.global _start
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.proc _start
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.type _start,@function
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_start:
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.prologue
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.save rp, r0
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.body
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.prologue
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{ .mlx
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alloc r2 = ar.pfs,0,0,7,0
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movl r3 = FPSR_DEFAULT
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}
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{ .mlx
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adds out2 = 16, sp /* get address of argc value */
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movl gp = @gprel(0f)
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;;
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}
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0: { .mmi
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ld8 out1 = [out2], 8 /* load argc and move out2 to become argv */
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mov.m r10 = ar.bsp /* fetch rbs base address */
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mov r9 = ip
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;;
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}
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{ .mii
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mov ar.fpsr = r3
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sub gp = r9, gp /* back-compute gp value */
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adds out6 = 16, sp /* highest non-environment stack address */
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;;
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}
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{
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addl r11 = @ltoff(__libc_ia64_register_backing_store_base), gp
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addl out0 = @ltoff(@fptr(main)), gp
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mov out3 = r0 /* Used to be init. */
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;;
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}
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{ .mmi
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ld8 r3 = [r11] /* pointer to __libc_ia64_register_backing_store_base */
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ld8 out0 = [out0] /* pointer to `main' function descriptor */
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mov out4 = r0 /* Used to be fini. */
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;;
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}
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.body
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{ .mib
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st8 [r3] = r10
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mov out5 = ret0 /* dynamic linker destructor */
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br.call.sptk.few rp = __libc_start_main
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}
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{ .mib
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break 0 /* break miserably if we ever return */
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}
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.endp _start
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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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.common __libc_ia64_register_backing_store_base, 8, 8
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