nativesdk-qemu: fix SDK relocation issue

User mode emulation binaries are linked using a local linker script. The
nativesdk ones were not used and the resulting binaries did not have the
interp section resized. Hence, those binaries could not be relocated.

[YOCTO #3083]

(From OE-Core rev: da014e900adfe96f01290c5a8f5fb08e295ca204)

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/meta/recipes-devtools/qemu/qemu-1.2.0/relocatable_sdk.patch b/meta/recipes-devtools/qemu/qemu-1.2.0/relocatable_sdk.patch
new file mode 100644
index 0000000000..0a01a8a048
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu-1.2.0/relocatable_sdk.patch
@@ -0,0 +1,34 @@
+Upstream-Status: Inappropriate [SDK specific]
+
+In order to be able to change the dynamic loader path when relocating
+binaries, the interp section has to be made big enough to accomodate
+the new path (4096 is the maximum path length in Linux).
+
+Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
+
+Index: qemu-1.2.0/i386.ld
+===================================================================
+--- qemu-1.2.0.orig/i386.ld
++++ qemu-1.2.0/i386.ld
+@@ -8,7 +8,7 @@ SECTIONS
+ {
+   /* Read-only sections, merged into text segment: */
+   . = 0x60000000 + SIZEOF_HEADERS;
+-  .interp     : { *(.interp)   }
++  .interp     : { *(.interp); . = 0x1000; }
+   .hash          : { *(.hash)          }
+   .dynsym        : { *(.dynsym)                }
+   .dynstr        : { *(.dynstr)                }
+Index: qemu-1.2.0/x86_64.ld
+===================================================================
+--- qemu-1.2.0.orig/x86_64.ld
++++ qemu-1.2.0/x86_64.ld
+@@ -6,7 +6,7 @@ SECTIONS
+ {
+   /* Read-only sections, merged into text segment: */
+   . = 0x60000000 + SIZEOF_HEADERS;
+-  .interp         : { *(.interp) }
++  .interp         : { *(.interp); . = 0x1000; }
+   .hash           : { *(.hash) }
+   .dynsym         : { *(.dynsym) }
+   .dynstr         : { *(.dynstr) }