1 # Test basic linker script functionality 2 # By Ian Lance Taylor, Cygnus Support 3 # Copyright (C) 1999-2016 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 set testname "script" 23 24 if ![ld_assemble $as $srcdir/$subdir/script.s tmpdir/script.o] { 25 unresolved $testname 26 return 27 } 28 29 proc check_script { } { 30 global nm 31 global testname 32 global nm_output 33 34 if ![ld_nm $nm "" tmpdir/script] { 35 unresolved $testname 36 return 37 } 38 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" 45 fail $testname 46 return 47 } 48 49 set passes 1 50 set text_end 0x104 51 set data_end 0x1004 52 53 if [istarget *c4x*-*-*] then { 54 set text_end 0x101 55 set data_end 0x1001 56 } 57 58 if [istarget *c54x*-*-*] then { 59 set text_end 0x102 60 set data_end 0x1002 61 } 62 63 if {$nm_output(text_start) != 0x100} { 64 send_log "text_start == $nm_output(text_start)\n" 65 verbose "text_start == $nm_output(text_start)" 66 set passes 0 67 } 68 69 if {[info exists nm_output(tred)] \ 70 && $nm_output(tred) != (0x100 + 0x8000)} { 71 send_log "tred == $nm_output(tred)\n" 72 verbose "tred == $nm_output(tred)" 73 set passes 0 74 } 75 76 if {$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 == $nm_output(text_end)" 80 set passes 0 81 } 82 83 if {$nm_output(data_start) != 0x1000} { 84 send_log "data_start == $nm_output(data_start)\n" 85 verbose "data_start == $nm_output(data_start)" 86 set passes 0 87 } 88 89 if {[info exists nm_output(fred)] \ 90 && $nm_output(fred) != (0x1000 + 0x10000)} { 91 send_log "fred == $nm_output(fred)\n" 92 verbose "fred == $nm_output(fred)" 93 set passes 0 94 } 95 96 if {$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)" 100 set passes 0 101 } 102 103 if { $passes } { 104 pass $testname 105 } else { 106 fail $testname 107 } 108 } 109 110 proc extract_symbol_test { testfile testname } { 111 global objcopy 112 global nm 113 global size 114 global target_triplet 115 116 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] { 120 fail $testname 121 return 122 } 123 124 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 136 } 137 ^mips-*-* { 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. 145 pass $testname 146 return 147 } 148 [a-z]*-*-pe$ { 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 153 # VxWorks. 154 pass $testname 155 return 156 } 157 # More PE variations... 158 [a-z]*-*-mingw* { 159 pass $testname 160 return 161 } 162 [a-z]*-*-cygwin$ { 163 pass $testname 164 return 165 } 166 } 167 168 set extract_syms [run_host_cmd $nm $copyfile] 169 if ![string equal $syms_massaged $extract_syms] { 170 fail $testname 171 return 172 } 173 174 # 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] { 177 fail $testname 178 return 179 } 180 181 pass $testname 182 } 183 184 # PE targets need to set the image base to 0 to avoid complications from nm. 185 set flags "" 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" 193 } 194 195 if ![ld_simple_link $ld tmpdir/script "$flags -T $srcdir/$subdir/script.t tmpdir/script.o"] { 196 fail $testname 197 } else { 198 check_script 199 } 200 201 set testname "MRI script" 202 203 if ![ld_simple_link $ld tmpdir/script "$flags -c $srcdir/$subdir/scriptm.t"] { 204 fail $testname 205 } else { 206 check_script 207 } 208 209 set testname "MEMORY" 210 211 if ![ld_simple_link $ld tmpdir/script "$flags -T $srcdir/$subdir/memory.t tmpdir/script.o"] { 212 fail $testname 213 } else { 214 check_script 215 } 216 217 set testname "MEMORY with symbols" 218 if ![ld_simple_link $ld tmpdir/script "$flags -defsym DATA_ORIGIN=0x1000 -defsym DATA_LENGTH=0x10000 -T $srcdir/$subdir/memory_sym.t tmpdir/script.o"] { 219 fail $testname 220 untested "extract symbols" 221 } else { 222 check_script 223 extract_symbol_test tmpdir/script "extract symbols" 224 } 225 226 set test_script_list [lsort [glob $srcdir/$subdir/region-alias-*.t]] 227 228 foreach test_script $test_script_list { 229 run_dump_test [string range $test_script 0 end-2] 230 } 231 232 run_dump_test "align-with-input" 233 run_dump_test "pr20302" 234
