include/coff/

	* xcoff.h (XCOFF_ALLOCATED): New flag.

bfd/
	* xcofflink.c (xcoff_mark): When walking the relocations,
	only mark the target symbol or the target section, not both.
	(xcoff_final_definition_p): New function.
	(xcoff_keep_symbol_p): Use it to check whether an external XCOFF
	symbol is a valid definition of the associated output symbol.
	Use XCOFF_ALLOCATED to stop the same hash table entry having
	two output symbols.
	(bfd_xcoff_size_dynamic_sections): Set XCOFF_ALLOCATED when
	keeping a symbol.
	(xcoff_link_input_bfd): Use xcoff_final_definition_p.

ld/testsuite/
	* ld-powerpc/aix-no-dup-syms-1a.s, ld-powerpc/aix-no-dup-syms-1b.s,
	ld-powerpc/aix-no-dup-syms-1.ex, ld-powerpc/aix-no-dup-syms-1.im,
	ld-powerpc/aix-no-dup-syms-1-dso.dnd,
	ld-powerpc/aix-no-dup-syms-1-dso.drd,
	ld-powerpc/aix-no-dup-syms-1-dso.nd,
	ld-powerpc/aix-no-dup-syms-1-dso.rd,
	ld-powerpc/aix-no-dup-syms-1-rel.nd,
	ld-powerpc/aix-no-dup-syms-1-rel.rd: New tests.
	* ld-powerpc/aix52.exp: Run them.

diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog
index 91118a1a75a5733dc90ca29f9e423cd09babd765..d96ae1ca141dcf40e993362d55ac659ac4d9a058 100644 (file)
--- a/include/coff/ChangeLog
+++ b/include/coff/ChangeLog
@@ -1,3 +1,7 @@
+2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>
+
+       * xcoff.h (XCOFF_ALLOCATED): New flag.
+
 2009-03-14  Richard Sandiford  <r.sandiford@uk.ibm.com>
 
        * xcoff.h (XCOFF_CALLED, XCOFF_IMPORT): Update comments.

diff --git a/include/coff/xcoff.h b/include/coff/xcoff.h
index 7e32d7a7805ad07c087c8fce4651098add848773..3c3c8e9ead5a29e1971dcea7e5b13c2e543f36c3 100644 (file)
--- a/include/coff/xcoff.h
+++ b/include/coff/xcoff.h
@@ -318,6 +318,8 @@ struct xcoff_link_hash_entry
 #define XCOFF_SYSCALL64        0x00010000 
 /* Symbol was not explicitly defined by the time it was marked.  */
 #define XCOFF_WAS_UNDEFINED    0x00020000
+/* We have assigned an output XCOFF entry to this symbol.  */
+#define XCOFF_ALLOCATED               0x00040000
 
 /* The XCOFF linker hash table.  */