https://llvm.org/bugs/show_bug.cgi?id=30815
Bug ID: 30815
Summary: linking OpenBSD/amd64 kernel
Product: lld
Version: unspecified
Hardware: PC
OS: OpenBSD
Status: NEW
Severity: normal
Priority: P
Component: ELF
Assignee: unassignedb...@nondot.org
Reporter: b...@comstyle.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I'm opening this as a tracker for issues that pertain to linking the
OpenBSD/amd64 kernel with lld. With the recent work that went into the
improvements with the linker script support lld can now link the kernel without
any errors or warnings (because of other additional fixes that went in), but
the resulting kernel is not bootable vs the kernel built with bfd (our binutils
2.17 + patches). It looks like it is failing to load the kernel with the boot
loader.
$ make LD=ld
ld -T ../../../../arch/amd64/conf/ld.script -X --warn-common -nopie -S -o bsd
${SYSTEM_HEAD} vers.o ${OBJS}
text data bss dec hex
9116384 267112 671744 10055240 996e48
$ rm bsd
$ make LD=ld.lld
ld.lld -T ../../../../arch/amd64/conf/ld.script -X --warn-common -nopie -S -o
bsd ${SYSTEM_HEAD} vers.o ${OBJS}
text data bss dec hex
9120789 267112 671744 10059645 997f7d
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