1# Expect script for common symbol override, MIPS variation.
2#
3#   Copyright (C) 2011-2016 Free Software Foundation, Inc.
4#
5# This file is part of the GNU Binutils.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 3 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20# MA 02110-1301, USA.
21#
22
23#
24# Written by Maciej W. Rozycki <macro@codesourcery.com>
25#
26
27# This test is for MIPS shared-library targets.
28if { ![istarget mips*-*-*]
29     || ![is_elf_format]
30     || ![check_shared_lib_support] } {
31    return
32}
33
34proc mips_comm_data_test { abi flag emul reloc } {
35
36    set testname "MIPS $abi/$reloc common symbol override test"
37
38    # There's no "-z copyreloc" option, deal with it.
39    set ZFLAG [string map [list copyreloc "" nocopyreloc "-z $reloc"] $reloc]
40    set AFLAGS "$flag -EB"
41    set LDFLAGS "-m$emul"
42
43    # Define a global symbol.
44    run_ld_link_tests [list \
45	[list \
46	    "$testname (auxiliary shared object build)" \
47	    "$LDFLAGS -shared" "" \
48	    "$AFLAGS -call_shared" \
49	    { ../ld-elf/comm-data1.s } \
50	    { \
51		{ readelf -s ../ld-elf/comm-data1.sd } \
52	    } \
53	  "libmips-$abi-$reloc-comm-data.so" \
54	] \
55    ]
56
57    # Set the pointer size according to the ABI.
58    if { $abi == "n64" } {
59	append AFLAGS " --defsym ELF64=1"
60    }
61
62    # Verify that a common symbol has been converted to an undefined
63    # reference to the global symbol of the same name defined above
64    # and that the debug reference has been dropped.
65    run_ld_link_tests [list \
66	[list \
67	    "$testname" \
68	    "$LDFLAGS $ZFLAG -T ../ld-elf/comm-data2.ld -Ltmpdir -lmips-$abi-$reloc-comm-data" "" \
69	    "$AFLAGS -call_nonpic" \
70	    { ../ld-elf/comm-data2.s } \
71	    { \
72		{ readelf -s ../ld-elf/comm-data2.sd } \
73		{ readelf -r ../ld-elf/comm-data2.rd } \
74		{ readelf "-x .debug_foo" ../ld-elf/comm-data2.xd } \
75	    } \
76	    "mips-$abi-$reloc-comm-data" \
77	] \
78    ]
79}
80
81# For targets that default to a specific ISA (instead of "from-abi"),
82# the 64-bit -march option is required to override it, like for
83# "mipsisa32r2el-*-*".
84set abis { o32 -32 elf32btsmip n32 "-n32 -march=mips3" elf32btsmipn32 n64 "-64 -march=mips3" elf64btsmip }
85set relocs { copyreloc nocopyreloc }
86foreach { abi flag emul } $abis {
87    foreach reloc $relocs {
88	mips_comm_data_test $abi $flag $emul $reloc
89    }
90}
91