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Child sections can be created depending on the CFLAGS used when building Contiki. For instance, if built with -ffunction-sections or -fdata-sections would create one section per function/variable and -Os sometimes split part of .text into one child section. This can also be an issue if we start linking with external libraries that are built in such a way. Since we can't foresee how the port is going to be used, we should make sure it is ready for the cases above. This patch fixes this by correctly grouping child sections into their parent sections. Patch developed while investigating a bug with José Souza (jose.souza@intel.com).
64 lines
2.0 KiB
Plaintext
64 lines
2.0 KiB
Plaintext
/*
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* Copyright (C) 2015, Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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OUTPUT_FORMAT("elf32-i386")
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ENTRY(start)
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SECTIONS {
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/*
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OS-Dev Wiki says it is common for kernels to start at 1M. Addresses before that
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are used by BIOS/EFI, the bootloader and memory-mapped I/O.
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*/
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. = 1M;
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.text ALIGN (4K) :
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{
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*(.multiboot)
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*(.text*)
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}
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.rodata ALIGN (4K) :
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{
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*(.rodata*)
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}
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.data ALIGN (4K) :
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{
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*(.data*)
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}
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.bss ALIGN (4K) :
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{
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*(COMMON)
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*(.bss*)
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}
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}
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