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|
# Test basic linker script functionality
# By Ian Lance Taylor, Cygnus Support
# Copyright (C) 1999-2021 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
set testname "script"
if ![ld_assemble $as $srcdir/$subdir/script.s tmpdir/script.o] {
unsupported $testname
return
}
proc check_script { } {
global nm
global testname
global nm_output
if ![ld_nm $nm "" tmpdir/script] {
fail $testname
return
}
if {![info exists nm_output(text_start)] \
|| ![info exists nm_output(text_end)] \
|| ![info exists nm_output(data_start)] \
|| ![info exists nm_output(data_end)]} {
send_log "bad output from nm\n"
verbose "bad output from nm"
fail $testname
return
}
set passes 1
set text_end 0x104
set data_end 0x1004
if [istarget *c4x*-*-*] then {
set text_end 0x101
set data_end 0x1001
}
if [istarget *c54x*-*-*] then {
set text_end 0x102
set data_end 0x1002
}
if {$nm_output(text_start) != 0x100} {
send_log "text_start == $nm_output(text_start)\n"
verbose "text_start == $nm_output(text_start)"
set passes 0
}
if {[info exists nm_output(tred)] \
&& $nm_output(tred) != (0x100 + 0x4000)} {
send_log "tred == $nm_output(tred)\n"
verbose "tred == $nm_output(tred)"
set passes 0
}
if {$nm_output(text_end) < $text_end \
|| $nm_output(text_end) > 0x110} {
send_log "text_end == $nm_output(text_end)\n"
verbose "text_end == $nm_output(text_end)"
set passes 0
}
if {$nm_output(data_start) != 0x1000} {
send_log "data_start == $nm_output(data_start)\n"
verbose "data_start == $nm_output(data_start)"
set passes 0
}
if {[info exists nm_output(fred)] \
&& $nm_output(fred) != (0x1000 + 0x1000)} {
send_log "fred == $nm_output(fred)\n"
verbose "fred == $nm_output(fred)"
set passes 0
}
if {$nm_output(data_end) < $data_end \
|| $nm_output(data_end) > 0x1010} {
send_log "data_end == $nm_output(data_end)\n"
verbose "data_end == $nm_output(data_end)"
set passes 0
}
if { $passes } {
pass $testname
} else {
fail $testname
}
}
proc extract_symbol_test { testfile testname } {
global objcopy
global nm
global size
global target_triplet
set copyfile tmpdir/extract
set args "--extract-symbol $testfile $copyfile"
set exec_output [run_host_cmd $objcopy $args]
if ![string equal "" $exec_output] {
fail $testname
return
}
set orig_syms [run_host_cmd $nm $testfile]
set syms_massaged $orig_syms
switch -regexp $target_triplet {
^mmix-knuth-mmixware$ {
# Without section sizes (stripped together with the
# contents for this target), we can't deduce the symbol
# types. Artificially tracking the symbol types is
# considered not worthwhile as there's no known use-case
# for --extract-symbols for this target. The option is
# supported just enough to emit the same symbol values,
# but absolute symbol types are expected.
regsub -all " \[TD\] " $syms_massaged " A " syms_massaged
}
^mips-*-* {
# This test cannot proceed any further for MIPS targets.
# The extract_syms operation produces a binary with a zero
# length .reginfo section, which is illegal under the MIPS
# ABI. Since producing such sections is part of the expected
# behaviour of --extract-symbols, no further testing can be
# performed. Fortunately this should not matter as extracting
# symbols is only needed for VxWorks support.
pass $testname
return
}
[a-z]*-*-pe$ {
# Fails for PE based targets because the extracted section
# relative symbols (eg tred or .text) all become undefined
# when the sections are blown away by --extract-symbol. Again
# this should not matter as --extract-symbol is only used by
# VxWorks.
pass $testname
return
}
# More PE variations...
[a-z]*-*-mingw* {
pass $testname
return
}
[a-z]*-*-cygwin$ {
pass $testname
return
}
}
set extract_syms [run_host_cmd $nm $copyfile]
if ![string equal $syms_massaged $extract_syms] {
fail $testname
return
}
# Check that the stripped section contains no code or data.
set exec_output [run_host_cmd $size $copyfile]
if ![regexp ".* 0\[ \]+0\[ \]+0\[ \]+0\[ \]+0\[ \]+.*" $exec_output] {
fail $testname
return
}
pass $testname
}
# PE targets need to set the image base to 0 to avoid complications from nm.
set old_LDFLAGS $LDFLAGS
if { [is_pecoff_format] } then {
append LDFLAGS " --image-base 0"
} elseif { [is_xcoff_format] } then {
append LDFLAGS " -bnogc"
}
set flags $LDFLAGS
if ![ld_link $ld tmpdir/script "$flags -T $srcdir/$subdir/script.t tmpdir/script.o"] {
fail $testname
} else {
check_script
}
set testname "MRI script"
if ![ld_link $ld tmpdir/script "$flags -c $srcdir/$subdir/scriptm.t"] {
fail $testname
} else {
check_script
}
set testname "MEMORY"
if ![ld_link $ld tmpdir/script "$flags -T $srcdir/$subdir/memory.t tmpdir/script.o"] {
fail $testname
} else {
check_script
}
set testname "MEMORY with symbols"
if ![ld_link $ld tmpdir/script "$flags -defsym DATA_ORIGIN=0x1000 -defsym DATA_LENGTH=0x1000 -T $srcdir/$subdir/memory_sym.t tmpdir/script.o"] {
fail $testname
untested "extract symbols"
} else {
check_script
extract_symbol_test tmpdir/script "extract symbols"
}
set test_script_list [lsort [glob $srcdir/$subdir/region-alias-*.t]]
foreach test_script $test_script_list {
run_dump_test [string range $test_script 0 end-2]
}
run_dump_test "align-with-input"
run_dump_test "pr20302"
run_dump_test "output-section-types"
run_dump_test "segment-start" {{name (default)}}
run_dump_test "segment-start" {{name (overridden)} \
{ld -Ttext-segment=0x10000000}}
set LDFLAGS $old_LDFLAGS
|
