diff --git a/libc/include/elf.h b/libc/include/elf.h
index bebaea1..a319abb 100644
--- a/libc/include/elf.h
+++ b/libc/include/elf.h
@@ -248,12 +248,6 @@
 #define DT_RELR 36
 #define DT_RELRENT 37
 
-/* Android compressed rel/rela sections */
-#define DT_ANDROID_REL (DT_LOOS + 2)
-#define DT_ANDROID_RELSZ (DT_LOOS + 3)
-#define DT_ANDROID_RELA (DT_LOOS + 4)
-#define DT_ANDROID_RELASZ (DT_LOOS + 5)
-
 #define DT_GNU_HASH 0x6ffffef5
 #define DT_TLSDESC_PLT 0x6ffffef6
 #define DT_TLSDESC_GOT 0x6ffffef7
@@ -535,12 +529,28 @@
 /*
  * Experimental support for SHT_RELR sections. For details, see proposal
  * at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg.
+ *
  * This was eventually replaced by SHT_RELR and DT_RELR (which are identical
  * other than their different constants), but those constants are only
- * supported by the OS starting at API level 30.
+ * supported by the OS in API levels >= 30.
  */
 #define SHT_ANDROID_RELR 0x6fffff00
 #define DT_ANDROID_RELR 0x6fffe000
 #define DT_ANDROID_RELRSZ 0x6fffe001
 #define DT_ANDROID_RELRENT 0x6fffe003
 #define DT_ANDROID_RELRCOUNT 0x6fffe005
+
+/*
+ * Android compressed REL/RELA sections. These were generated by the relocation
+ * packer in old versions of Android, and can be generated directly by lld
+ * with https://reviews.llvm.org/D39152.
+ *
+ * This was replaced by SHT_ANDROID_RELR in API level 28 (but is supported
+ * in all API levels >= 23).
+ */
+#define SHT_ANDROID_REL 0x60000001
+#define SHT_ANDROID_RELA 0x60000002
+#define DT_ANDROID_REL 0x6000000f // DT_LOOS + 2
+#define DT_ANDROID_RELSZ 0x60000010 // DT_LOOS + 3
+#define DT_ANDROID_RELA 0x60000011 // DT_LOOS + 4
+#define DT_ANDROID_RELASZ 0x60000012 // DT_LOOS + 5