Author: hselasky
Date: Mon Jun 30 18:11:22 2014
New Revision: 268055
URL: http://svnweb.freebsd.org/changeset/base/268055

Log:
  Workaround for bug in GCC on powerpc64. Symbols that are exported are
  by fault required to be all "static" or all "extern".

Modified:
  head/sys/sys/linker_set.h

Modified: head/sys/sys/linker_set.h
==============================================================================
--- head/sys/sys/linker_set.h   Mon Jun 30 17:04:55 2014        (r268054)
+++ head/sys/sys/linker_set.h   Mon Jun 30 18:11:22 2014        (r268055)
@@ -40,15 +40,26 @@
  * For ELF, this is done by constructing a separate segment for each set.
  */
 
+#if defined(__powerpc64__)
+/*
+ * Move the symbol pointer from ".text" to ".data" segment, to make
+ * the GCC compiler happy:
+ */
+#define        __MAKE_SET_CONST
+#else
+#define        __MAKE_SET_CONST const
+#endif
+
 /*
  * Private macros, not to be used outside this header file.
  */
 #ifdef __GNUCLIKE___SECTION
-#define __MAKE_SET(set, sym)                                           \
-       __GLOBL(__CONCAT(__start_set_,set));                            \
-       __GLOBL(__CONCAT(__stop_set_,set));                             \
-       static void const * const __set_##set##_sym_##sym               \
-       __section("set_" #set) __used = &sym
+#define __MAKE_SET(set, sym)                           \
+       __GLOBL(__CONCAT(__start_set_,set));            \
+       __GLOBL(__CONCAT(__stop_set_,set));             \
+       static void const * __MAKE_SET_CONST            \
+       __set_##set##_sym_##sym __section("set_" #set)  \
+       __used = &(sym)
 #else /* !__GNUCLIKE___SECTION */
 #ifndef lint
 #error this file needs to be ported to your compiler
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