This file is indexed.

/usr/lib/ldscripts/elf_iamcu.xdc is in binutils 2.28-5.

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The actual contents of the file can be viewed below.

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/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */
/* Copyright (C) 2014-2017 Free Software Foundation, Inc.
   Copying and distribution of this script, with or without modification,
   are permitted in any medium without royalty provided the copyright
   notice and this notice are preserved.  */
OUTPUT_FORMAT("elf32-iamcu", "elf32-iamcu",
	      "elf32-iamcu")
OUTPUT_ARCH(iamcu)
ENTRY(_start)
SEARCH_DIR("=/usr/local/lib/x86_64-linux-gnu"); SEARCH_DIR("=/lib/x86_64-linux-gnu"); SEARCH_DIR("=/usr/lib/x86_64-linux-gnu"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib"); SEARCH_DIR("=/usr/x86_64-linux-gnu/lib");
SECTIONS
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