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-rw-r--r--meta/recipes-bsp/grub/files/grub-module-explicitly-keeps-symbole-.module_license.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/meta/recipes-bsp/grub/files/grub-module-explicitly-keeps-symbole-.module_license.patch b/meta/recipes-bsp/grub/files/grub-module-explicitly-keeps-symbole-.module_license.patch
new file mode 100644
index 0000000000..26890261b7
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/grub-module-explicitly-keeps-symbole-.module_license.patch
@@ -0,0 +1,59 @@
+From 917133acc701dbc4636165d3b08d15dc5829a06f Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Wed, 17 Aug 2016 04:06:34 -0400
+Subject: [PATCH] grub module explicitly keeps symbole .module_license
+
+While using oe-core toolchain to strip grub module 'all_video.mod',
+it stripped symbol table:
+
+---------------
+root@localhost:~# objdump -t all_video.mod
+
+all_video.mod: file format elf64-x86-64
+
+SYMBOL TABLE:
+no symbols
+--------------
+
+It caused grub to load module all_video failed.
+--------------
+grub> insmod all_video
+error: no symbol table.
+--------------
+
+Tweak strip option to keep symbol .module_license could workaround
+the issue.
+--------------
+root@localhost:~# objdump -t all_video.mod
+
+all_video.mod: file format elf64-x86-64
+
+SYMBOL TABLE:
+0000000000000000 l d .text 0000000000000000 .text
+0000000000000000 l d .data 0000000000000000 .data
+0000000000000000 l d .module_license 0000000000000000 .module_license
+0000000000000000 l d .bss 0000000000000000 .bss
+0000000000000000 l d .moddeps 0000000000000000 .moddeps
+0000000000000000 l d .modname 0000000000000000 .modname
+--------------
+
+Upstream-Status: Pending
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ grub-core/genmod.sh.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/grub-core/genmod.sh.in b/grub-core/genmod.sh.in
+index 1250589..dd14308 100644
+--- a/grub-core/genmod.sh.in
++++ b/grub-core/genmod.sh.in
+@@ -56,7 +56,7 @@ if test x@TARGET_APPLE_LINKER@ != x1; then
+ if test x@platform@ != xemu; then
+ @TARGET_STRIP@ --strip-unneeded \
+ -K grub_mod_init -K grub_mod_fini \
+- -K _grub_mod_init -K _grub_mod_fini \
++ -K _grub_mod_init -K _grub_mod_fini -K .module_license \
+ -R .note.gnu.gold-version -R .note.GNU-stack \
+ -R .gnu.build.attributes \
+ -R .rel.gnu.build.attributes \