1 files changed, 147 insertions, 0 deletions
diff --git a/ld/testsuite/ld-undefined/undefined.exp b/ld/testsuite/ld-undefined/undefined.exp
new file mode 100644
index 0000000..12afc03
--- /dev/null
+++ b/ld/testsuite/ld-undefined/undefined.exp
@@ -0,0 +1,147 @@
+# Test that the linker reports undefined symbol errors correctly.
+# By Ian Lance Taylor, Cygnus Support
+#
+#   Copyright (C) 1995-2014 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+set testund "undefined"
+set testfn "undefined function"
+set testline "undefined line"
+
+if { ![is_remote host] && [which $CC] == 0 } {
+    verbose "Could not find C compiler!" 1
+    untested $testund
+    untested $testfn
+    untested $testline
+    return
+}
+
+if ![ld_compile "$CC -g" $srcdir/$subdir/undefined.c tmpdir/undefined.o] {
+    verbose "Unable to compile test file!" 1
+    unresolved $testund
+    unresolved $testfn
+    unresolved $testline
+    return
+}
+
+remote_file host delete "tmpdir/undefined"
+
+set flags [big_or_little_endian]
+
+# Using -e start prevents the SunOS linker from trying to build a
+# shared library.
+send_log "$ld -e start $flags -o tmpdir/undefined tmpdir/undefined.o\n"
+set exec_output [run_host_cmd "$ld" "-e start $flags -o tmpdir/undefined tmpdir/undefined.o"]
+
+send_log "$exec_output\n"
+verbose "$exec_output"
+
+proc checkund { string testname } {
+    global exec_output
+
+    if [string match "*$string*" $exec_output] {
+	pass $testname
+    } else {
+	fail $testname
+    }
+}
+
+set mu "undefined reference to `*this_function_is_not_defined'"
+checkund $mu $testund
+
+# ARM PE defaults to using stabs debugging, which we can't handle for
+# a COFF file.
+#setup_xfail "arm*-*-pe*"
+
+# For Xtensa on GNU Linux systems (or any other system where PIC code is
+# always used), the address of the undefined function is in a literal pool
+# outside the function, so that both the "undefined function" and "undefined
+# line" tests fail.
+setup_xfail xtensa*-*-linux*
+
+set mf "tmpdir/undefined.o* In function `function':"
+checkund $mf $testfn
+
+if ![is_elf_format] {
+    # COFF SH gets this test wrong--it reports line 10, because although
+    # the jump is at line 9, the function address, and the reloc, is
+    # stored at the end of the function.
+    setup_xfail "sh-*-*"
+
+    # ARM PE defaults to using stabs debugging, which we can't handle for
+    # a COFF file.
+    #setup_xfail "arm*-*-pe*"
+}
+
+set ml "undefined.c:9: undefined reference to `*this_function_is_not_defined'"
+# With targets that use elf/dwarf2, such as the arm-elf
+# toolchain, the code in bfd/elf.c:_bfd_elf_find_nearest_line() is called
+# in order to locate the file name/line number where the undefined
+# reference occurs.  Unfortunately this tries to use the dwarf2 debug
+# information held in the .debug_info section.  This section contains a series
+# of comp_unit structures, each of which has a low/high address range
+# representing the span of memory locations covered by that structure.  The
+# structures also index into other structures held in the .debug_line section
+# and together they can translate memory locations back into file/function/line
+# number addresses in the source code.  Since the information about the memory
+# region covered by a comp_unit is only determined at link time, the low/high
+# addresses in the .debug_info section and the line addresses in the .debug_line
+# section are computed by generating relocs against known symbols in the object
+# code.
+#
+# When the undefined reference is detected, the relocs in the dwarf2
+# debug sections have not yet been resolved, so the low/high addresses and the
+# line number address are all set at zero.  Thus when _bfd_elf_find_nearest_line()
+# calls _bfd_dwarf2_find_nearest_line() no comp_unit can be found which
+# actually covers the address where the reference occured, and so
+# _bfd_elf_find_nearest_line() fails.
+#
+# The upshot of all of this, is that the error message reported by the
+# linker, instead of having a source file name & line number as in:
+#
+#   undefined.c:9: undefined reference to `this_function_is_not_defined'
+#
+# has an object file & section address instead:
+#
+#   undefined.0(.text+0xc): undefined reference to `this_function_is_not_defined'
+#
+# hence the xfails below.
+
+setup_xfail mcore-*-elf
+setup_xfail mep-*-*
+setup_xfail mips-sgi-irix6*
+setup_xfail "sh64-*-*"
+# Fails for the MSP430 because it uses SYM_DIFF relocs but it does
+# not provide a special_function for handling them.  If optimization
+# is enabled then this test passes because function()'s prologue is
+# eliminated.
+setup_xfail "msp430-*-*"
+
+# The undefined test fails on 31 bit s/390 because the address of the 
+# function `this_function_is_not_defined' is stored in the literal pool of
+# the function. Therefore the line number in the error message is 8 instead
+# of 9. On 64 bit s/390 this works because of the new brasl instruction that
+# doesn't need a literal pool entry.
+setup_xfail s390-*-*
+
+# See comments above for Xtensa.
+setup_xfail xtensa*-*-linux*
+setup_xfail hppa*64*-*-*
+
+checkund $ml $testline