From: Matthew Maurer <mau...@ugcs.caltech.edu>
Fixes linking for UML against newer libcs by adding two hidden symbols
which are now expected.
Signed-off-by: Matthew Maurer <mau...@ugcs.caltech.edu>
---
Apologies ahead of time if I've missed something or if this has already
been fixed somewhere I couldn't find it.
diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S
index 7fcad58..85babf5 100644
--- a/arch/um/kernel/dyn.lds.S
+++ b/arch/um/kernel/dyn.lds.S
@@ -50,8 +50,21 @@ SECTIONS
.rela.got : { *(.rela.got) }
.rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
.rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
- .rel.plt : { *(.rel.plt) }
- .rela.plt : { *(.rela.plt) }
+ /* Deal with multilib libc */
+ .rel.plt :
+ {
+ *(.rel.plt)
+ PROVIDE_HIDDEN (__rel_iplt_start = .);
+ *(.rel.iplt)
+ PROVIDE_HIDDEN (__rel_iplt_end = .);
+ }
+ .rela.plt :
+ {
+ *(.rela.plt)
+ PROVIDE_HIDDEN (__rela_iplt_start = .);
+ *(.rela.iplt)
+ PROVIDE_HIDDEN (__rela_iplt_end = .);
+ }
.init : {
KEEP (*(.init))
} =0x90909090
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index e7a6cca..50d80e8 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -35,6 +35,21 @@ SECTIONS
*(.gnu.warning)
*(.gnu.linkonce.t*)
}
+ /* Deal with multilib libc */
+ .rel.plt :
+ {
+ *(.rel.plt)
+ PROVIDE_HIDDEN (__rel_iplt_start = .);
+ *(.rel.iplt)
+ PROVIDE_HIDDEN (__rel_iplt_end = .);
+ }
+ .rela.plt :
+ {
+ *(.rela.plt)
+ PROVIDE_HIDDEN (__rela_iplt_start = .);
+ *(.rela.iplt)
+ PROVIDE_HIDDEN (__rela_iplt_end = .);
+ }
. = ALIGN(PAGE_SIZE);
.syscall_stub : {
Signed-off-by: Matthew Maurer <mau...@ugcs.caltech.edu>
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