x86, realmode: Allow absolute pa_* symbols in the realmode code

Allow pa_* symbols to be absolute (outside any section) in the
realmode linker script.  Some versions of GNU ld are known to be
unhappy about symbols defined in a section that is otherwise empty.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1336501366-28617-9-git-send-email-jarkko.sakkinen@intel.com

diff --git a/scripts/x86-relocs.c b/scripts/x86-relocs.c
index 02914706e5b98dd715cd36b8dc306f4ae9880dfb..74e16bb15dc4b85deeef7038c74ac7c3d9e50ba2 100644 (file)
--- a/scripts/x86-relocs.c
+++ b/scripts/x86-relocs.c
@@ -61,6 +61,13 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
 
 
 static const char * const sym_regex_realmode[S_NSYMTYPES] = {
+/*
+ * These symbols are known to be relative, even if the linker marks them
+ * as absolute (typically defined outside any section in the linker script.)
+ */
+       [S_REL] =
+       "^pa_",
+
 /*
  * These are 16-bit segment symbols when compiling 16-bit code.
  */