将每个部分放入自己的片段中

问题描述 投票:1回答:1

我正在研究与地址空间布局随机化有关的东西,并试图将各个部分,默认的ld链接描述文件通常会分成各自的部分。

这是默认的ld链接描述文件;特别是我希望每个区域都有自己的细分的.data.rel.ro.*部分。这可能吗?如果不是在Linux上使用ld,是否可以在其他任何系统上使用?

/* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */
/* Copyright (C) 2014-2018 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("elf64-x86-64", "elf64-x86-64",
          "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
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/lib/x86_64-linux-gnu64"); SEARCH_DIR("=/usr/local/lib64"); SEARCH_DIR("=/lib64"); SEARCH_DIR("=/usr/lib64"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib"); SEARCH_DIR("=/usr/x86_64-linux-gnu/lib64"); SEARCH_DIR("=/usr/x86_64-linux-gnu/lib");
SECTIONS
{
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    PROVIDE_HIDDEN (__init_array_start = .);
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    /* gcc uses crtbegin.o to find the start of
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    KEEP (*(.ctors))
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}
linker ld aslr
1个回答
0
投票

您可以使用链接描述文件中的:子句为输出节指定目标程序头:

这不会显示在默认的链接描述文件中,因为默认的程序头是通过不同的机制生成的。

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