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.

1 files changed, 12 insertions, 0 deletions

diff --git a/ld/testsuite/ld-powerpc/aix52.exp b/ld/testsuite/ld-powerpc/aix52.exp
index 10e2031..6cd26fe 100644
--- a/ld/testsuite/ld-powerpc/aix52.exp
+++ b/ld/testsuite/ld-powerpc/aix52.exp
@@ -96,6 +96,18 @@ set aix52tests {
      {{objdump -h aix-core-sec-3.hd}}
      "aix-core-sec-3.so"}
 
+    {"Duplicate symbol check 1 (rel)" "-r"
+     "" {aix-no-dup-syms-1a.s aix-no-dup-syms-1b.s}
+     {{nm {} aix-no-dup-syms-1-rel.nd} {objdump -r aix-no-dup-syms-1-rel.rd}}
+     "aix-no-dup-syms-1.o"}
+
+    {"Duplicate symbol check 1 (shared)"
+     "-shared --allow-multiple-definition -bI:aix-no-dup-syms-1.im -bE:aix-no-dup-syms-1.ex"
+     "" {aix-no-dup-syms-1a.s aix-no-dup-syms-1b.s}
+     {{nm {} aix-no-dup-syms-1-dso.nd} {objdump -r aix-no-dup-syms-1-dso.rd}
+      {nm -D aix-no-dup-syms-1-dso.dnd} {objdump -R aix-no-dup-syms-1-dso.drd}}
+     "aix-no-dup-syms-1.so"}
+
     {"Glink test 1"
      "-shared -bE:aix-glink-1.ex --unresolved-symbols=ignore-all"
      "" {aix-glink-1.s}