1 # Test basic linker script functionality
2 # By Ian Lance Taylor, Cygnus Support
3 # Copyright (C) 1999-2019 Free Software Foundation, Inc.
5 # This file is part of the GNU Binutils.
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.
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.
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,
24 if ![ld_assemble $as $srcdir/$subdir/script.s tmpdir/script.o] {
29 proc check_script { } {
34 if ![ld_nm $nm "" tmpdir/script] {
39 if {![info exists nm_output(text_start)] \
40 || ![info exists nm_output(text_end)] \
41 || ![info exists nm_output(data_start)] \
42 || ![info exists nm_output(data_end)]} {
43 send_log "bad output from nm\n"
44 verbose "bad output from nm"
53 if [istarget *c4x*-*-*] then {
58 if [istarget *c54x*-*-*] then {
63 if {$nm_output(text_start) != 0x100} {
64 send_log "text_start == $nm_output(text_start)\n"
65 verbose "text_start == $nm_output(text_start)"
69 if {[info exists nm_output(tred)] \
70 && $nm_output(tred) != (0x100 + 0x8000)} {
71 send_log "tred == $nm_output(tred)\n"
72 verbose "tred == $nm_output(tred)"
76 if {$nm_output(text_end) < $text_end \
77 || $nm_output(text_end) > 0x110} {
78 send_log "text_end == $nm_output(text_end)\n"
79 verbose "text_end == $nm_output(text_end)"
83 if {$nm_output(data_start) != 0x1000} {
84 send_log "data_start == $nm_output(data_start)\n"
85 verbose "data_start == $nm_output(data_start)"
89 if {[info exists nm_output(fred)] \
90 && $nm_output(fred) != (0x1000 + 0x10000)} {
91 send_log "fred == $nm_output(fred)\n"
92 verbose "fred == $nm_output(fred)"
96 if {$nm_output(data_end) < $data_end \
97 || $nm_output(data_end) > 0x1010} {
98 send_log "data_end == $nm_output(data_end)\n"
99 verbose "data_end == $nm_output(data_end)"
110 proc extract_symbol_test { testfile testname } {
114 global target_triplet
116 set copyfile tmpdir/extract
117 set args "--extract-symbol $testfile $copyfile"
118 set exec_output [run_host_cmd $objcopy $args]
119 if ![string equal "" $exec_output] {
124 set orig_syms [run_host_cmd $nm $testfile]
125 set syms_massaged $orig_syms
126 switch -regexp $target_triplet {
127 ^mmix-knuth-mmixware$ {
128 # Without section sizes (stripped together with the
129 # contents for this target), we can't deduce the symbol
130 # types. Artificially tracking the symbol types is
131 # considered not worthwhile as there's no known use-case
132 # for --extract-symbols for this target. The option is
133 # supported just enough to emit the same symbol values,
134 # but absolute symbol types are expected.
135 regsub -all " \[TD\] " $syms_massaged " A " syms_massaged
138 # This test cannot proceed any further for MIPS targets.
139 # The extract_syms operation produces a binary with a zero
140 # length .reginfo section, which is illegal under the MIPS
141 # ABI. Since producing such sections is part of the expected
142 # behaviour of --extract-symbols, no further testing can be
143 # performed. Fortunately this should not matter as extracting
144 # symbols is only needed for VxWorks support.
149 # Fails for PE based targets because the extracted section
150 # relative symbols (eg tred or .text) all become undefined
151 # when the sections are blown away by --extract-symbol. Again
152 # this should not matter as --extract-symbol is only used by
157 # More PE variations...
168 set extract_syms [run_host_cmd $nm $copyfile]
169 if ![string equal $syms_massaged $extract_syms] {
174 # Check that the stripped section contains no code or data.
175 set exec_output [run_host_cmd $size $copyfile]
176 if ![regexp ".* 0\[ \]+0\[ \]+0\[ \]+0\[ \]+0\[ \]+.*" $exec_output] {
184 # PE targets need to set the image base to 0 to avoid complications from nm.
186 if {[istarget "*-*-pe*"] \
187 || [istarget "*-*-cygwin*"] \
188 || [istarget "*-*-mingw*"] \
189 || [istarget "*-*-winnt*"] \
190 || [istarget "*-*-nt"] \
191 || [istarget "*-*-interix*"] } then {
192 set flags "--image-base 0"
195 if ![ld_link $ld tmpdir/script "$flags -T $srcdir/$subdir/script.t tmpdir/script.o"] {
201 set testname "MRI script"
203 if ![ld_link $ld tmpdir/script "$flags -c $srcdir/$subdir/scriptm.t"] {
209 set testname "MEMORY"
211 if ![ld_link $ld tmpdir/script "$flags -T $srcdir/$subdir/memory.t tmpdir/script.o"] {
217 set testname "MEMORY with symbols"
218 if ![ld_link $ld tmpdir/script "$flags -defsym DATA_ORIGIN=0x1000 -defsym DATA_LENGTH=0x10000 -T $srcdir/$subdir/memory_sym.t tmpdir/script.o"] {
220 untested "extract symbols"
223 extract_symbol_test tmpdir/script "extract symbols"
226 set test_script_list [lsort [glob $srcdir/$subdir/region-alias-*.t]]
228 foreach test_script $test_script_list {
229 run_dump_test [string range $test_script 0 end-2]
232 run_dump_test "align-with-input"
233 run_dump_test "pr20302"
235 run_dump_test "segment-start" {{name (default)}}
236 run_dump_test "segment-start" {{name (overridden)} \
237 {ld -Ttext-segment=0x10000000}}