https://bugs.llvm.org/show_bug.cgi?id=42008
Bug ID: 42008
Summary: Support for .gnu.warning. section to generate linker
warnings
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: ELF
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
I recently tried to use the .gnu.warning mechanism with LLD and noticed that it
is not supported.
If I try the example from
http://ninjalj.blogspot.com/2011/11/your-own-linker-warnings-using-gnu.html, I
only get output with ld.bfd.
$ $LLVM_BUILD/bin/clang -fuse-ld=$LLVM_BUILD/bin/ld.lld -o linkwarn linkwarn.o
linkwarnmain.o
(no output)
$ $LLVM_BUILD/bin/clang -fuse-ld=/usr/bin/ld.bfd -o linkwarn linkwarn.o
linkwarnmain.o
linkwarnmain.o: In function `main':
linkwarnmain.c:(.text+0x10): warning: foo is deprecated, please use the shiny
new foobar function
Looking for .gnu.warning in the source tree, I can only find references in
llvm-objcopy. Is this a feature that should be supported in LLD?
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