Add ASSERT()s that .got and .got.plt sections are empty
to linker scripts for gcc and clang.
Suggested-by: Ard Biesheuvel <a...@kernel.org>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
BaseTools/Scripts/ClangBase.lds | 10 ++++++++++
BaseTools/Scripts/GccBase.lds | 10 ++++++++++
2 files changed, 20 insertions(+)
diff --git a/BaseTools/Scripts/ClangBase.lds b/BaseTools/Scripts/ClangBase.lds
index 61452ddd9506..c7dcd2024ac8 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 83cebd29d599..9f27e83bb0fc 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.
--
2.40.0
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