The branch main has been updated by dim:
URL:
https://cgit.FreeBSD.org/src/commit/?id=c90cab0d668af5d947054e47184d4f8dcb874ec8
commit c90cab0d668af5d947054e47184d4f8dcb874ec8
Author: Dimitry Andric <d...@freebsd.org>
AuthorDate: 2021-09-08 12:04:13 +0000
Commit: Dimitry Andric <d...@freebsd.org>
CommitDate: 2021-09-08 12:04:13 +0000
i386 loaders: avoid lld 13 garbage collecting linker sets
Because lld 13 and higher default to garbage collecting start/stop
symbols when using --gc-sections, the linker sets used in the i386 boot
loaders will disappear. This leads to the loaders not recognizing any
commands, and failure to boot.
Until we have a good set of linker scripts for the loaders, work around
it by disabling the start-stop-gc feature.
MFC after: 1 week
---
stand/i386/loader/Makefile | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/stand/i386/loader/Makefile b/stand/i386/loader/Makefile
index 0abf6120c1e3..571e3b2cb653 100644
--- a/stand/i386/loader/Makefile
+++ b/stand/i386/loader/Makefile
@@ -61,6 +61,12 @@ ORG= 0x0
CFLAGS+= -Wall
LDFLAGS+= -static ${LDFLAGS_ORG} -Wl,--gc-sections
+.if ${LINKER_TYPE} == "lld" && ${LINKER_VERSION} >= 130000
+# lld 13 and higher default to garbage collecting start/stop symbols,
+# completely ruining our linker sets. For now, work around it by
+# disabling this un-feature.
+LDFLAGS+= -Wl,-z,nostart-stop-gc
+.endif
# i386 standalone support library
LIBI386= ${BOOTOBJ}/i386/libi386/libi386.a
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