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| author | Gerd Hoffmann <kraxel@redhat.com> | 2023-05-24 22:05:50 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-06-01 10:53:35 +0000 |
| commit | 7ffc433c2ec1db3a600ad78ba4c44d863991967f (patch) | |
| tree | 2cd696173af818ab2a171ff546befba3b88d8ab0 | |
| parent | c1e853769046b322690ad336fdb98966757e7414 (diff) | |
| download | edk2-7ffc433c2ec1db3a600ad78ba4c44d863991967f.tar.gz edk2-7ffc433c2ec1db3a600ad78ba4c44d863991967f.tar.bz2 edk2-7ffc433c2ec1db3a600ad78ba4c44d863991967f.zip | |
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>
| -rw-r--r-- | BaseTools/Scripts/ClangBase.lds | 10 | ||||
| -rw-r--r-- | BaseTools/Scripts/GccBase.lds | 10 |
2 files changed, 20 insertions, 0 deletions
diff --git a/BaseTools/Scripts/ClangBase.lds b/BaseTools/Scripts/ClangBase.lds index 61452ddd95..c7dcd2024a 100644 --- a/BaseTools/Scripts/ClangBase.lds +++ b/BaseTools/Scripts/ClangBase.lds @@ -59,6 +59,16 @@ SECTIONS { 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
* does not copy it into the PE/COFF image.
diff --git a/BaseTools/Scripts/GccBase.lds b/BaseTools/Scripts/GccBase.lds index 83cebd29d5..9f27e83bb0 100644 --- a/BaseTools/Scripts/GccBase.lds +++ b/BaseTools/Scripts/GccBase.lds @@ -59,6 +59,16 @@ SECTIONS { 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
* does not copy it into the PE/COFF image.
|