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--- a/lib/sigsegv.c
+++ b/lib/sigsegv.c
@@ -244,8 +244,8 @@ int libsigsegv_version = LIBSIGSEGV_VERS
/* Assume the structure of ucontext_t in
glibc/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h. */
/* Because of the union, both definitions should be equivalent. */
-# if 0
-# define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.regs->gpr[1]
+# ifndef __GLIBC__
+# define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.gregs[1]
# else
# define SIGSEGV_FAULT_STACKPOINTER ((ucontext_t *) ucp)->uc_mcontext.uc_regs->gregs[1]
# endif
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