freebsd-skq/sys/contrib/octeon-sdk/cvmx-shared-linux-n32.ld

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/***********************license start***************
* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
* This Software, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/*
* This was created from a template supplied by GNU binutils.
* Copyright (C) 2005 Cavium Inc.
*/
/**
* @file
* This linker script for use in building simple executive application to run
* under Linux in userspace. The important difference from a standard Linux
* binary is the addition of the ".cvmx_shared" memory section. This script
* adds two symbols __cvmx_shared_start and __cvmx_shared_end before and after
* the CVMX_SHARED data. These are used by cvmx-app-init-linux.c to create a
* shared region across all application processes.
*
* The original template for this files was:
* ${OCTEON_ROOT}/tools/mips64-octeon-linux-gnu/lib/ldscripts/elf32btsmipn32.x
*/
OUTPUT_FORMAT("elf32-ntradbigmips", "elf32-ntradbigmips",
"elf32-ntradlittlemips")
OUTPUT_ARCH(mips)
ENTRY(__start)
SEARCH_DIR("${OCTEON_ROOT}/tools/mips64-octeon-linux-gnu/lib");
SECTIONS
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KEEP (*(.init))
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/* Exception handling */
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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PROVIDE_HIDDEN (__preinit_array_start = .);
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PROVIDE_HIDDEN (__preinit_array_end = .);
}
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PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
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.fini_array :
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PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
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linker won't look for a file to match a
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KEEP (*crtbegin.o(.ctors))
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The .ctor section from the crtend file contains the
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
}
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
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.data :
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*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
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. = .;
_gp = ALIGN(16) + 0x7ff0;
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/* We want the small data sections together, so single-instruction offsets
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}
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_fbss = .;
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*(.dynsbss)
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PROVIDE (___sbss_end = .);
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*(COMMON)
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
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FIXME: Why do we need it? When there is no .bss section, we don't
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. = ALIGN(. != 0 ? 32 / 8 : 1);
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. = ALIGN(32 / 8);
. = ALIGN(32M); /* RBF added alignment of data */
.cvmx_shared : { *(.cvmx_shared) }
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/* Stabs debugging sections. */
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/* DWARF debug sections.
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