2011-09-01 Christophe Lyon <christophe.lyon@st.com>

        bfd/
	* elf32-arm.c (elf32_arm_output_arch_local_syms): Skip excluded
	sections.

        ld/testsuite/
	* ld-arm/arm-elf.exp: Add new rodata-merge-map test.
	* ld-arm/rodata-merge-map.ld: New file.
	* ld-arm/rodata-merge-map.sym: Likewise.
	* ld-arm/rodata-merge-map1.s Likewise.
	* ld-arm/rodata-merge-map2.s: Likewise.
	* ld-arm/rodata-merge-map3.s: Likewise.

6 files changed, 46 insertions, 0 deletions

diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index fbdfadd..c7a0b2c 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -323,6 +323,9 @@ set armelftests {
     {"Data only mapping symbols" "-T data-only-map.ld -Map map" "" {data-only-map.s}
      {{objdump -dr data-only-map.d}}
      "data-only-map"}
+    {"Data only mapping symbols for merged sections" "-T rodata-merge-map.ld" "" {rodata-merge-map1.s rodata-merge-map2.s rodata-merge-map3.s}
+     {{readelf -s rodata-merge-map.sym}}
+     "rodata-merge-map"}
     {"GOT relocations in executables (setup)" "-shared"
      "" {exec-got-1a.s}
      {}
diff --git a/ld/testsuite/ld-arm/rodata-merge-map.ld b/ld/testsuite/ld-arm/rodata-merge-map.ld
new file mode 100644
index 0000000..0790bcb
--- /dev/null
+++ b/ld/testsuite/ld-arm/rodata-merge-map.ld
@@ -0,0 +1,9 @@
+/* Script for ld testsuite */
+OUTPUT_ARCH(arm)
+SECTIONS
+{
+  .rodata :
+  {
+    *(.rodata*)
+  }
+}
diff --git a/ld/testsuite/ld-arm/rodata-merge-map.sym b/ld/testsuite/ld-arm/rodata-merge-map.sym
new file mode 100644
index 0000000..b1070a3
--- /dev/null
+++ b/ld/testsuite/ld-arm/rodata-merge-map.sym
@@ -0,0 +1,8 @@
+
+Symbol table '.symtab' contains 5 entries:
+   Num:    Value  Size Type    Bind   Vis      Ndx Name
+     0: 00000000     0 NOTYPE  LOCAL  DEFAULT  UND 
+     1: 00000000     0 SECTION LOCAL  DEFAULT    1 
+     2: 00000000     0 SECTION LOCAL  DEFAULT    2 
+     3: 00000000     0 NOTYPE  LOCAL  DEFAULT    1 \$d
+     4: 0000000c     0 NOTYPE  LOCAL  DEFAULT    1 \$d
diff --git a/ld/testsuite/ld-arm/rodata-merge-map1.s b/ld/testsuite/ld-arm/rodata-merge-map1.s
new file mode 100644
index 0000000..df57c4b
--- /dev/null
+++ b/ld/testsuite/ld-arm/rodata-merge-map1.s
@@ -0,0 +1,8 @@
+@ Test to ensure that no nameless mapping symbol is inserted
+@ within a merged section.
+@ This file contains the 1st contribution, which is expected to
+@ generate a $d symbol at its beginning.
+
+        .section        .rodata.str1.1,"aMS",%progbits,1
+.LC0:
+        .string "Hello world"
diff --git a/ld/testsuite/ld-arm/rodata-merge-map2.s b/ld/testsuite/ld-arm/rodata-merge-map2.s
new file mode 100644
index 0000000..7136774
--- /dev/null
+++ b/ld/testsuite/ld-arm/rodata-merge-map2.s
@@ -0,0 +1,9 @@
+@ This file contains the 2nd contribution, which is expected to
+@ be fully merged into the 1st contribution (from
+@ rodata-merge-map1.s), and generate no mapping symbol (which
+@ would otherwise be converted in a symbol table entry with no
+@ name).
+
+        .section        .rodata.str1.1,"aMS",%progbits,1
+.LC0:
+        .string "world"
diff --git a/ld/testsuite/ld-arm/rodata-merge-map3.s b/ld/testsuite/ld-arm/rodata-merge-map3.s
new file mode 100644
index 0000000..45aaef0
--- /dev/null
+++ b/ld/testsuite/ld-arm/rodata-merge-map3.s
@@ -0,0 +1,9 @@
+@ This file contains the 3rd contribution, which is expected to
+@ be partially merged into the 1st contribution (from
+@ rodata-merge-map1.s), and generate a (redundant, but harmless)
+@ $d mapping symbol.
+
+        .section        .rodata.str1.1,"aMS",%progbits,1
+.LC0:
+        .string "foo"
+        .string "world"