Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # Test NOCROSSREFS in a linker script. |
2 | # By Ian Lance Taylor, Cygnus Support. | |
6f2750fe | 3 | # Copyright (C) 2000-2016 Free Software Foundation, Inc. |
a2b64bed | 4 | # |
f96b4a7b NC |
5 | # This file is part of the GNU Binutils. |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify | |
a2b64bed | 8 | # it under the terms of the GNU General Public License as published by |
f96b4a7b | 9 | # the Free Software Foundation; either version 3 of the License, or |
a2b64bed | 10 | # (at your option) any later version. |
f96b4a7b | 11 | # |
a2b64bed NC |
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. | |
f96b4a7b | 16 | # |
a2b64bed NC |
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 | |
f96b4a7b NC |
19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | # MA 02110-1301, USA. | |
252b5132 RH |
21 | |
22 | set test1 "NOCROSSREFS 1" | |
23 | set test2 "NOCROSSREFS 2" | |
b239e909 | 24 | set test3 "NOCROSSREFS 3" |
252b5132 | 25 | |
7f6a71ff | 26 | if { ![is_remote host] && [which $CC] == 0 } { |
252b5132 RH |
27 | untested $test1 |
28 | untested $test2 | |
b239e909 | 29 | untested $test3 |
252b5132 RH |
30 | return |
31 | } | |
32 | ||
14f2c476 AM |
33 | global CFLAGS |
34 | set old_CFLAGS "$CFLAGS" | |
35 | ||
379d3f1f L |
36 | # Pass -fplt to CC since -fno-plt doesn't work with NOCROSSREFS tests. |
37 | global PLT_CFLAGS | |
38 | set old_CC "$CC" | |
39 | set CC "$CC $PLT_CFLAGS" | |
40 | ||
e0001a05 NC |
41 | # Xtensa targets currently default to putting literal values in a separate |
42 | # section and that requires linker script support, so put literals in text. | |
e0001a05 NC |
43 | if [istarget xtensa*-*-*] { |
44 | set CFLAGS "$CFLAGS -mtext-section-literals" | |
45 | } | |
46 | ||
97e5838e AM |
47 | # If we have a compiler that doesn't use/reference dot-symbols, then |
48 | # calls to functions reference the .opd section function descriptor. | |
49 | # This makes NOCROSSREFS rather useless on powerpc64. | |
14f2c476 | 50 | if [istarget powerpc64-*-*] { |
97e5838e AM |
51 | set CFLAGS "$CFLAGS -mcall-aixdesc" |
52 | } | |
53 | ||
4dcdce13 NC |
54 | # Prevent the use of the MeP's small data area which references a symbol |
55 | # called __sdabase which will not be defined by our test linker scripts. | |
56 | if [istarget mep*-*-elf] { | |
57 | set CFLAGS "-mtiny=0" | |
58 | } | |
59 | ||
ac145307 BS |
60 | # The .dsbt section and __c6xabi_DSBT_BASE are not defined in our test |
61 | # linker scripts. | |
62 | if [istarget tic6x*-*-*] { | |
63 | set CFLAGS "-mno-dsbt -msdata=none" | |
64 | } | |
65 | ||
252b5132 RH |
66 | if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ |
67 | || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { | |
68 | unresolved $test1 | |
69 | unresolved $test2 | |
14f2c476 | 70 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 71 | set CC "$old_CC" |
252b5132 RH |
72 | return |
73 | } | |
74 | ||
1688b748 | 75 | set flags [big_or_little_endian] |
252b5132 | 76 | |
1b19eb81 AO |
77 | if [istarget sh64*-*-elf] { |
78 | # This is what gcc passes to ld by default. | |
79 | set flags "-mshelf32" | |
80 | } | |
81 | ||
a9fa4610 CZ |
82 | # arc-elf32 requires the symbol __SDATA_BEGIN__ to always be present. |
83 | if [istarget arc*-*-elf32] { | |
84 | set flags "$flags --defsym=__SDATA_BEGIN__=0" | |
85 | } | |
86 | ||
08ccf96b L |
87 | # IA64 has both ordered and unordered sections in an input file. |
88 | setup_xfail ia64-*-* | |
89 | ||
7f6a71ff | 90 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"] |
252b5132 RH |
91 | |
92 | set exec_output [prune_warnings $exec_output] | |
93 | ||
94 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
95 | ||
96 | if [string match "" $exec_output] then { | |
97 | fail $test1 | |
98 | } else { | |
99 | verbose -log "$exec_output" | |
dbc37f89 | 100 | if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] { |
252b5132 RH |
101 | pass $test1 |
102 | } else { | |
103 | fail $test1 | |
104 | } | |
105 | } | |
106 | ||
107 | # Check cross references within a single object. | |
108 | ||
109 | if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } { | |
110 | unresolved $test2 | |
14f2c476 | 111 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 112 | set CC "$old_CC" |
252b5132 RH |
113 | return |
114 | } | |
115 | ||
7f6a71ff | 116 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"] |
252b5132 RH |
117 | set exec_output [prune_warnings $exec_output] |
118 | ||
119 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
120 | ||
121 | if [string match "" $exec_output] then { | |
122 | fail $test2 | |
123 | } else { | |
124 | verbose -log "$exec_output" | |
125 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { | |
126 | pass $test2 | |
127 | } else { | |
128 | fail $test2 | |
129 | } | |
130 | } | |
b239e909 L |
131 | |
132 | # Check cross references for ld -r | |
133 | ||
134 | if { ![ld_compile $CC "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } { | |
135 | unresolved $test3 | |
14f2c476 | 136 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 137 | set CC "$old_CC" |
b239e909 L |
138 | return |
139 | } | |
140 | ||
141 | if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] { | |
142 | unresolved $test3 | |
14f2c476 | 143 | set CFLAGS "$old_CFLAGS" |
379d3f1f | 144 | set CC "$old_CC" |
b239e909 L |
145 | return |
146 | } | |
147 | ||
7f6a71ff | 148 | set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"] |
b239e909 L |
149 | |
150 | set exec_output [prune_warnings $exec_output] | |
151 | ||
152 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output | |
153 | ||
154 | if [string match "" $exec_output] then { | |
155 | pass $test3 | |
156 | } else { | |
157 | verbose -log "$exec_output" | |
158 | fail $test3 | |
159 | } | |
14f2c476 AM |
160 | |
161 | set CFLAGS "$old_CFLAGS" | |
379d3f1f | 162 | set CC "$old_CC" |