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0e3727a883
.data doesn't need to be separate from .rodata: they're both readonly. .altinstructions and .altinstr_replacement aren't needed by anything except vdso2c; strip them from the final image. While we're at it, rather than aligning the actual executable text, just shove some unused-at-runtime data in between real data and text. My vdso image is still above 4k, but I'm disinclined to try to trim it harder for 3.16. For future trimming, I suspect that these sections could be moved to later in the file and dropped from the in-memory image: .gnu.version and .gnu.version_d (this may lose versions in gdb) .eh_frame (should be harmless) .eh_frame_hdr (I'm not really sure) .hash (AFAIK nothing needs this section header) Signed-off-by: Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/2e96d0c49016ea6d026a614ae645e93edd325961.1403129369.git.luto@amacapital.net Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
21 lines
455 B
C
21 lines
455 B
C
/*
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* Copyright 2014 Andy Lutomirski
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* Subject to the GNU Public License, v.2
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*
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* String table for loadable section headers. See vdso2c.h for why
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* this exists.
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*/
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const char fake_shstrtab[] __attribute__((section(".fake_shstrtab"))) =
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".hash\0"
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".dynsym\0"
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".dynstr\0"
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".gnu.version\0"
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".gnu.version_d\0"
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".dynamic\0"
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".rodata\0"
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".fake_shstrtab\0" /* Yay, self-referential code. */
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".note\0"
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".eh_frame_hdr\0"
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".eh_frame\0"
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".text";
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