2004-12-01 Paul Brook <paul@codesourcery.com>

bfd/
	* elflink.c (elf_link_add_object_symbols): Make symbols from discarded
	sections undefined.
ld/testsuite/
	* ld-elf/group1.d: New test.
	* ld-elf/group.ld, ld-elf/group1a.s, ld-elf/group1b.s: New test.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 6a1d301..dc0d933 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-01  Paul Brook  <paul@codesourcery.com>
+
+       * elflink.c (elf_link_add_object_symbols): Make symbols from discarded
+       sections undefined.
+
 2004-11-30  Paul Brook  <paul@codesourcery.com>
 
        * elf32-arm.c (struct elf32_arm_link_hash_table): Remove

diff --git a/bfd/elflink.c b/bfd/elflink.c
index b095312..6e87596 100644 (file)
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -3425,6 +3425,12 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
          sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
          if (sec == NULL)
            sec = bfd_abs_section_ptr;
+         else if (sec->kept_section)
+           {
+             /* Symbols from discarded section are undefined.  */
+             sec = bfd_und_section_ptr;
+             isym->st_shndx = SHN_UNDEF;
+           }
          else if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
            value -= sec->vma;
        }

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 05f91c9..d927189 100644 (file)
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-01  Paul Brook  <paul@codesourcery.com>
+
+       * ld-elf/group1.d: New test.
+       * ld-elf/group.ld, ld-elf/group1a.s, ld-elf/group1b.s: New test.
+
 2004-12-01  Daniel Jacobowitz  <dan@codesourcery.com>
 
        * ld-selective/selective.exp: Use -print-libgcc-file-name for

diff --git a/ld/testsuite/ld-elf/group.ld b/ld/testsuite/ld-elf/group.ld
new file mode 100644 (file)
index 0000000..d6b27d0
--- /dev/null
+++ b/ld/testsuite/ld-elf/group.ld
@@ -0,0 +1,5 @@
+SECTIONS
+{
+  . = 0x1000;
+  .text : { *(.text) }
+}

diff --git a/ld/testsuite/ld-elf/group1.d b/ld/testsuite/ld-elf/group1.d
new file mode 100644 (file)
index 0000000..d2f1b58
--- /dev/null
+++ b/ld/testsuite/ld-elf/group1.d
@@ -0,0 +1,9 @@
+#source: group1a.s
+#source: group1b.s
+#ld: -T group.ld
+#readelf: -s
+Symbol table '.symtab' contains .* entries:
+#...
+    .*: 00001000     0 NOTYPE  WEAK   DEFAULT    . foo
+    .*: 00000000     0 NOTYPE  GLOBAL DEFAULT  UND bar
+#...

diff --git a/ld/testsuite/ld-elf/group1a.s b/ld/testsuite/ld-elf/group1a.s
new file mode 100644 (file)
index 0000000..296e76e
--- /dev/null
+++ b/ld/testsuite/ld-elf/group1a.s
@@ -0,0 +1,4 @@
+       .section .text,"axG",%progbits,foo_group,comdat
+       .weak foo
+foo:
+       .word 0

diff --git a/ld/testsuite/ld-elf/group1b.s b/ld/testsuite/ld-elf/group1b.s
new file mode 100644 (file)
index 0000000..b66cba9
--- /dev/null
+++ b/ld/testsuite/ld-elf/group1b.s
@@ -0,0 +1,6 @@
+       .section .text,"axG",%progbits,foo_group,comdat
+       .global foo
+       .global bar
+foo:
+       .word 0
+bar: