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[PowerPC] Fix build-id note on powerpc64 kernel

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Due to the ordering of the powerpc64 linker script, we were discarding
all notes before emitting .note.gnu.build-id. This had the effect of
generating an empty build id section and breaking the kern.build_id
sysctl added in r348611.

powerpc and powerpcspe are uneffected.

PR:		246430
MFC after:	3 days
Sponsored by:	Tag1 Consulting, Inc.
This commit is contained in:
Brandon Bergren 2020-06-01 19:40:59 +00:00
parent 4ee89102db
commit 30dc2aebd7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=361703
1 changed files with 4 additions and 3 deletions
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7
sys/conf/ldscript.powerpc64
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@ -37,9 +37,6 @@ SECTIONS
/* Do not emit PT_INTERP section, which confuses some loaders (kexec-lite) */
/DISCARD/ : { *(.interp) }
/* Also delete notes */
/DISCARD/ : { *(.note.*) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
@ -51,6 +48,10 @@ SECTIONS
*(.note.gnu.build-id)
PROVIDE (__build_id_end = .);
}
/* Do not emit any additional notes. */
/DISCARD/ : { *(.note.*) }
.rela.text :
{ *(.rela.text) *(.rela.gnu.linkonce.t*) }
.rela.data :