From: Nick Clifton <nickc@redhat.com>
Date: Fri, 6 Apr 2018 14:04:50 +0000 (+0100)
Subject: Import patch from mainline sources to stop the linker from removing IA64 unwind secti... 
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=925b7b485ebdf1e866783c5b5149c2c576866fad;p=thirdparty%2Fbinutils-gdb.git

Import patch from mainline sources to stop the linker from removing IA64 unwind sections when garbage collecting.

	PR 23030
	* emulparams/elf64_ia64.sh (OTHER_READONLY_SECTIONS): Make sure
	that the .IA_64.unwind_info and .IA_64.unwind sections are not
	subject to garbage collection.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 430f58e61d4..5a3167d7d2a 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,13 @@
+2018-04-06  Nick Clifton  <nickc@redhat.com>
+
+	Import from mainline:
+	2018-04-05  Nick Clifton  <nickc@redhat.com>
+
+	PR 23030
+	* emulparams/elf64_ia64.sh (OTHER_READONLY_SECTIONS): Make sure
+	that the .IA_64.unwind_info and .IA_64.unwind sections are not
+	subject to garbage collection.
+
 2018-03-28  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR ld/22972
diff --git a/ld/emulparams/elf64_ia64.sh b/ld/emulparams/elf64_ia64.sh
index 7e5e54d391e..02970a6f038 100644
--- a/ld/emulparams/elf64_ia64.sh
+++ b/ld/emulparams/elf64_ia64.sh
@@ -31,8 +31,8 @@ test -n "$CREATE_PIE" && OTHER_READWRITE_SECTIONS="
 test -n "$CREATE_PIE" && OTHER_GOT_RELOC_SECTIONS="
   .rela.opd     ${RELOCATING-0} : { *(.rela.opd) }"
 OTHER_READONLY_SECTIONS="${OTHER_READONLY_SECTIONS}
-  .IA_64.unwind_info ${RELOCATING-0} : { *(.IA_64.unwind_info${RELOCATING+* .gnu.linkonce.ia64unwi.*}) }
-  .IA_64.unwind ${RELOCATING-0} : { *(.IA_64.unwind${RELOCATING+* .gnu.linkonce.ia64unw.*}) }"
+  .IA_64.unwind_info ${RELOCATING-0} : { KEEP(*(.IA_64.unwind_info${RELOCATING+* .gnu.linkonce.ia64unwi.*})) }
+  .IA_64.unwind ${RELOCATING-0} : { KEEP(*(.IA_64.unwind${RELOCATING+* .gnu.linkonce.ia64unw.*})) }"
 # Intel C++ compiler, prior to 9.0, puts small data in .ctors and
 # .dtors.  They have to be next to .sbss/.sbss2/.sdata/.sdata2.
 SMALL_DATA_CTOR=" "