tests/dumpbin-symbols.at

# dumpbin-symbols.at -- libtool "dumpbin -symbols" support    -*- Autotest -*-

#   Copyright (C) 2010-2019, 2021-2025 Free Software Foundation, Inc.
#
#   This file is part of GNU Libtool.
#
# GNU Libtool 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 2 of
# the License, or (at your option) any later version.
#
# GNU Libtool 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 GNU Libtool.  If not, see <https://www.gnu.org/licenses/>.
####

AT_BANNER([Windows tests.])
AT_SETUP([dumpbin -symbols section hiding])

# I don't know of a stable way to create a pair of objects that
# exhibits the potential problem, so this test fakes it by
# testing with output from a case that do have the potential
# problem.

# First check if the global_symbol_pipe can handle the below
# test case at all, and skip if $NM is not MS dumpbin.

AT_DATA([variable.c],
[[
int some_variable = 0;
]])

AT_CHECK([$CC $CPPFLAGS $CFLAGS -c variable.c], [], [ignore], [ignore])
AT_CHECK([$NM variable.$OBJEXT], [], [stdout], [ignore])
AT_CHECK([$GREP 'External.*some_variable' stdout || exit 77], [], [ignore])

eval `$LIBTOOL --config | $EGREP '^(global_symbol_pipe)='`

AT_DATA([dumpbin-output],
[[
Dump of file foo.obj

File Type: COFF OBJECT

COFF SYMBOL TABLE
000 00AB766F ABS    notype       Static       | @comp.id
001 00000001 ABS    notype       Static       | @feat.00
002 00000000 SECT1  notype       Static       | .drectve
    Section length   8F, #relocs    0, #linenums    0, checksum        0
004 00000000 SECT2  notype       Static       | .debug$S
    Section length 44B4, #relocs   1C, #linenums    0, checksum        0
006 00000000 SECT3  notype       Static       | .rdata
    Section length    1, #relocs    0, #linenums    0, checksum        0, selection    2 (pick any)
008 00000000 SECT3  notype       External     | ?value@?$integral_constant@_N$0A@@tr1@std@@2_NB (public: static bool const std::tr1::integral_constant<bool,0>::value)
009 00000000 SECT4  notype       Static       | .rdata
    Section length    1, #relocs    0, #linenums    0, checksum 77073096, selection    2 (pick any)
*snip lots of uninteresting crap*
12A 00000000 SECT5B notype       Static       | .text
    Section length   4B, #relocs    2, #linenums    0, checksum 22AE8362, selection    2 (pick any)
12C 00000000 SECT5C notype       Static       | .debug$S
    Section length  150, #relocs    B, #linenums    0, checksum        0, selection    5 (pick associative Section 0x5B)
12F 00000000 SECT5D notype       Static       | .debug$T
    Section length   5C, #relocs    0, #linenums    0, checksum        0

String Table Size = 0x15EF bytes


Dump of file conv.lib

File Type: LIBRARY

COFF SYMBOL TABLE
000 00AB766F ABS    notype       Static       | @comp.id
001 00000001 ABS    notype       Static       | @feat.00
002 00000000 SECT1  notype       Static       | .drectve
    Section length   2F, #relocs    0, #linenums    0, checksum        0
004 00000000 SECT2  notype       Static       | .debug$S
    Section length  70C, #relocs    5, #linenums    0, checksum        0
006 00000000 SECT3  notype       Static       | .text
    Section length    A, #relocs    0, #linenums    0, checksum BAFC81C1
008 00000000 SECT3  notype ()    External     | _convenience
009 00000000 SECT4  notype       Static       | .debug$T
    Section length   5C, #relocs    0, #linenums    0, checksum        0

String Table Size = 0x11 bytes

  Summary

        5B3C .debug$S
          B8 .debug$T
          BE .drectve
         129 .rdata
           C .sxdata
         613 .text
          6C .text$x
          B8 .xdata$x
]])

# Check if the _convenience symbol from section SECT3 in conv.lib is
# present even if section SECT3 in foo.obj is hidden.
AT_CHECK([< dumpbin-output eval "$global_symbol_pipe"], [], [stdout])
AT_CHECK([$GREP convenience stdout], [], [ignore])

AT_CLEANUP