224 lines
6.2 KiB
Plaintext
224 lines
6.2 KiB
Plaintext
# Test basic linker script functionality
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# By Ian Lance Taylor, Cygnus Support
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# Copyright (C) 1999-2016 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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set testname "script"
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if ![ld_assemble $as $srcdir/$subdir/script.s tmpdir/script.o] {
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unresolved $testname
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return
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}
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proc check_script { } {
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global nm
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global testname
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global nm_output
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if ![ld_nm $nm "" tmpdir/script] {
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unresolved $testname
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return
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}
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if {![info exists nm_output(text_start)] \
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|| ![info exists nm_output(text_end)] \
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|| ![info exists nm_output(data_start)] \
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|| ![info exists nm_output(data_end)]} {
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send_log "bad output from nm\n"
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verbose "bad output from nm"
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fail $testname
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return
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}
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set passes 1
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set text_end 0x104
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set data_end 0x1004
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if [istarget *c4x*-*-*] then {
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set text_end 0x101
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set data_end 0x1001
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}
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if [istarget *c54x*-*-*] then {
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set text_end 0x102
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set data_end 0x1002
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}
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if {$nm_output(text_start) != 0x100} {
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send_log "text_start == $nm_output(text_start)\n"
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verbose "text_start == $nm_output(text_start)"
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set passes 0
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}
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if {[info exists nm_output(tred)] \
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&& $nm_output(tred) != (0x100 + 0x8000)} {
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send_log "tred == $nm_output(tred)\n"
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verbose "tred == $nm_output(tred)"
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set passes 0
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}
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if {$nm_output(text_end) < $text_end \
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|| $nm_output(text_end) > 0x110} {
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send_log "text_end == $nm_output(text_end)\n"
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verbose "text_end == $nm_output(text_end)"
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set passes 0
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}
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if {$nm_output(data_start) != 0x1000} {
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send_log "data_start == $nm_output(data_start)\n"
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verbose "data_start == $nm_output(data_start)"
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set passes 0
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}
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if {[info exists nm_output(fred)] \
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&& $nm_output(fred) != (0x1000 + 0x10000)} {
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send_log "fred == $nm_output(fred)\n"
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verbose "fred == $nm_output(fred)"
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set passes 0
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}
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if {$nm_output(data_end) < $data_end \
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|| $nm_output(data_end) > 0x1010} {
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send_log "data_end == $nm_output(data_end)\n"
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verbose "data_end == $nm_output(data_end)"
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set passes 0
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}
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if { $passes } {
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pass $testname
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} else {
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fail $testname
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}
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}
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proc extract_symbol_test { testfile testname } {
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global objcopy
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global nm
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global size
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global target_triplet
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set copyfile tmpdir/extract
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set args "--extract-symbol $testfile $copyfile"
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set exec_output [run_host_cmd $objcopy $args]
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if ![string equal "" $exec_output] {
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fail $testname
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return
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}
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set orig_syms [run_host_cmd $nm $testfile]
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set syms_massaged $orig_syms
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switch -regexp $target_triplet {
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^mmix-knuth-mmixware$ {
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# Without section sizes (stripped together with the
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# contents for this target), we can't deduce the symbol
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# types. Artificially tracking the symbol types is
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# considered not worthwhile as there's no known use-case
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# for --extract-symbols for this target. The option is
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# supported just enough to emit the same symbol values,
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# but absolute symbol types are expected.
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regsub -all " \[TD\] " $syms_massaged " A " syms_massaged
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}
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^mips-*-* {
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# This test cannot proceed any further for MIPS targets.
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# The extract_syms operation produces a binary with a zero
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# length .reginfo section, which is illegal under the MIPS
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# ABI. Since producing such sections is part of the expected
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# behaviour of --extract-symbols, no further testing can be
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# performed. Fortunately this should not matter as extracting
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# symbols is only needed for VxWorks support.
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pass $testname
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return
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}
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[a-z]*-*-pe$ {
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# Fails for PE based targets because the extracted section
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# relative symbols (eg tred or .text) all become undefined
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# when the sections are blown away by --extract-symbol. Again
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# this should not matter as --extract-symbol is only used by
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# VxWorks.
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pass $testname
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return
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}
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}
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set extract_syms [run_host_cmd $nm $copyfile]
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if ![string equal $syms_massaged $extract_syms] {
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fail $testname
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return
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}
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# Check that the stripped section contains no code or data.
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set exec_output [run_host_cmd $size $copyfile]
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if ![regexp ".* 0\[ \]+0\[ \]+0\[ \]+0\[ \]+0\[ \]+.*" $exec_output] {
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fail $testname
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return
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}
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pass $testname
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}
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# PE targets need to set the image base to 0 to avoid complications from nm.
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set flags ""
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if {[istarget "*-*-pe*"] \
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|| [istarget "*-*-cygwin*"] \
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|| [istarget "*-*-mingw*"] \
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|| [istarget "*-*-winnt*"] \
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|| [istarget "*-*-nt"] \
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|| [istarget "*-*-interix*"] } then {
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set flags "--image-base 0"
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}
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if ![ld_simple_link $ld tmpdir/script "$flags -T $srcdir/$subdir/script.t tmpdir/script.o"] {
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fail $testname
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} else {
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check_script
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}
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set testname "MRI script"
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if ![ld_simple_link $ld tmpdir/script "$flags -c $srcdir/$subdir/scriptm.t"] {
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fail $testname
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} else {
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check_script
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}
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set testname "MEMORY"
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if ![ld_simple_link $ld tmpdir/script "$flags -T $srcdir/$subdir/memory.t tmpdir/script.o"] {
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fail $testname
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} else {
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check_script
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}
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set testname "MEMORY with symbols"
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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"] {
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fail $testname
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untested "extract symbols"
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} else {
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check_script
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extract_symbol_test tmpdir/script "extract symbols"
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}
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set test_script_list [lsort [glob $srcdir/$subdir/region-alias-*.t]]
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foreach test_script $test_script_list {
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run_dump_test [string range $test_script 0 end-2]
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}
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run_dump_test "align-with-input"
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