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BaseTools: make sure the got is empty 

Add ASSERT()s that .got and .got.plt sections are empty
to linker scripts for gcc and clang.

Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
This commit is contained in:
Gerd Hoffmann 2023-05-24 22:05:50 +08:00 committed by mergify[bot]
parent c1e8537690
commit 7ffc433c2e
2 changed files with 20 additions and 0 deletions
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10
BaseTools/Scripts/ClangBase.lds
View File

@ -59,6 +59,16 @@ SECTIONS {
KEEP (*(.hii)) KEEP (*(.hii))
} }
.got : {
*(.got)
}
ASSERT(SIZEOF(.got) == 0, "Unexpected GOT entries detected!")
.got.plt (INFO) : {
*(.got.plt)
}
ASSERT(SIZEOF(.got.plt) == 0 || SIZEOF(.got.plt) == 0xc || SIZEOF(.got.plt) == 0x18, "Unexpected GOT/PLT entries detected!")
/* /*
* Retain the GNU build id but in a non-allocatable section so GenFw * Retain the GNU build id but in a non-allocatable section so GenFw
* does not copy it into the PE/COFF image. * does not copy it into the PE/COFF image.

10
BaseTools/Scripts/GccBase.lds
View File

@ -59,6 +59,16 @@ SECTIONS {
KEEP (*(.hii)) KEEP (*(.hii))
} }
.got : {
*(.got)
}
ASSERT(SIZEOF(.got) == 0, "Unexpected GOT entries detected!")
.got.plt (INFO) : {
*(.got.plt)
}
ASSERT(SIZEOF(.got.plt) == 0 || SIZEOF(.got.plt) == 0xc || SIZEOF(.got.plt) == 0x18, "Unexpected GOT/PLT entries detected!")
/* /*
* Retain the GNU build id but in a non-allocatable section so GenFw * Retain the GNU build id but in a non-allocatable section so GenFw
* does not copy it into the PE/COFF image. * does not copy it into the PE/COFF image.