Merge "Add PT_ARM_EXIDX."
diff --git a/libc/include/elf.h b/libc/include/elf.h
index ae05d3d..2950e0a 100644
--- a/libc/include/elf.h
+++ b/libc/include/elf.h
@@ -178,6 +178,7 @@
 
 #define ELFOSABI_SYSV 0 /* Synonym for ELFOSABI_NONE used by valgrind. */
 
+#define PT_ARM_EXIDX (PT_LOPROC + 1)
 #define PT_GNU_RELRO 0x6474e552
 
 #define STB_LOOS      10