From: Andreas Schwab <schwab@suse.de>
Date: Wed, 3 Jul 2019 11:52:49 +0000 (+0200)
Subject: riscv: restore ABI compatibility (bug 24484)
X-Git-Tag: glibc-2.30~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=484b7af3ccb782ccb3491b541a68de9c5d6f063b;p=thirdparty%2Fglibc.git

riscv: restore ABI compatibility (bug 24484)

The contents of the dynamic section are part of the ABI, thus
DL_RO_DYN_SECTION cannot be changed.
---

diff --git a/ChangeLog b/ChangeLog
index fe5fd79eaca..fbe5cd8648c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-07-04  Andreas Schwab  <schwab@suse.de>
+
+	[BZ #24484]
+	* sysdeps/riscv/ldsodefs.h (DL_RO_DYN_SECTION): Define.
+
 2019-07-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
 	* sysdeps/aarch64/Makefile: Install sys/ifunc.h and add tests.
diff --git a/sysdeps/riscv/ldsodefs.h b/sysdeps/riscv/ldsodefs.h
index 5ec607e8675..d7531b707a1 100644
--- a/sysdeps/riscv/ldsodefs.h
+++ b/sysdeps/riscv/ldsodefs.h
@@ -38,6 +38,11 @@ struct La_riscv_retval;
 				       struct La_riscv_retval *,	\
 				       const char *);
 
+/* Although the RISC-V ABI does not specify that the dynamic section has
+   to be read-only, it needs to be kept for ABI compatibility.  */
+
+#define DL_RO_DYN_SECTION 1
+
 #include_next <ldsodefs.h>
 
 #endif