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-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S3
2 files changed, 8 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index a538454..6b46bfa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-07-30 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
+ (__CONTEXT_FUNC_NAME): Restore setting of r31.
+
2019-07-30 Florian Weimer <fweimer@redhat.com>
* nptl/tst-pthread-getattr.c (allocate_and_test): Change return
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
index efebb10..6fa1ab7 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S
@@ -276,6 +276,9 @@ ENTRY(__CONTEXT_FUNC_NAME)
cmpwi r3,0
bne 3f /* L(error_exit) */
+ lwz r4,_FRAME_PARM_SAVE2(r1)
+ lwz r31,_UC_REGS_PTR(r4)
+
#ifdef __CONTEXT_ENABLE_FPRS
# ifdef __CONTEXT_ENABLE_VRS