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-rw-r--r--lib/xref.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/xref.h b/lib/xref.h
index 0e3f00f690..37242bd79e 100644
--- a/lib/xref.h
+++ b/lib/xref.h
@@ -208,8 +208,19 @@ extern const struct xref * const __stop_xref_array[1] DSO_LOCAL;
* some build issue with it just add -DFRR_XREF_NO_NOTE to your build flags
* to disable it.
*/
-#ifdef FRR_XREF_NO_NOTE
+#if defined(FRR_XREF_NO_NOTE) || defined(__mips64)
#define XREF_NOTE ""
+
+/* mips64 note: MIPS64 (regardless of endianness, both mips64 & mips64el)
+ * does not have a 64-bit PC-relative relocation type. Unfortunately, a
+ * 64-bit PC-relative relocation is exactly what the below asm magic emits.
+ * Therefore, the xref ELF note is permanently disabled on MIPS64.
+ *
+ * For some context, refer to https://reviews.llvm.org/D80390
+ *
+ * As noted above, xref extraction still works through the section header
+ * path, so no functionality is lost.
+ */
#else
#if __SIZEOF_POINTER__ == 4