207 lines
6.3 KiB
Text
207 lines
6.3 KiB
Text
# Test NOCROSSREFS in a linker script.
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# By Ian Lance Taylor, Cygnus Support.
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# Copyright (C) 2000-2022 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 test1 "NOCROSSREFS 1"
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set test2 "NOCROSSREFS 2"
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set test3 "NOCROSSREFS 3"
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set test4 "NOCROSSREFS_TO 1"
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set test5 "NOCROSSREFS_TO 2"
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set test6 "NOCROSSREFS_TO 3"
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set test7 "NOCROSSREFS_TO 4"
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if { ![check_compiler_available] } {
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untested $test1
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untested $test2
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untested $test3
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untested $test4
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untested $test5
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untested $test6
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untested $test7
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return
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}
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# Pass -fplt to CC since -fno-plt doesn't work with NOCROSSREFS tests.
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# Also add $NOPIE_CFLAGS since PIE doesn't work NOCROSSREFS tests.
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set old_CFLAGS "$CFLAGS_FOR_TARGET"
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append CFLAGS_FOR_TARGET " $PLT_CFLAGS $NOPIE_CFLAGS"
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# Xtensa targets currently default to putting literal values in a separate
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# section and that requires linker script support, so put literals in text.
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if [istarget xtensa*-*-*] {
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append CFLAGS_FOR_TARGET " -mtext-section-literals"
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}
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# Prevent the use of the MeP's small data area which references a symbol
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# called __sdabase which will not be defined by our test linker scripts.
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if [istarget mep*-*-elf] {
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append CFLAGS_FOR_TARGET " -mtiny=0"
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}
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# The .dsbt section and __c6xabi_DSBT_BASE are not defined in our test
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# linker scripts.
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if [istarget tic6x*-*-*] {
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append CFLAGS_FOR_TARGET " -mno-dsbt -msdata=none"
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}
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if { ![ld_compile "$CC_FOR_TARGET $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
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|| ![ld_compile "$CC_FOR_TARGET $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
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unsupported $test1
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unsupported $test2
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set CFLAGS_FOR_TARGET "$old_CFLAGS"
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return
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}
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set flags [big_or_little_endian]
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# arc-elf32 requires the symbol __SDATA_BEGIN__ to always be present.
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if [istarget arc*-*-elf32] {
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append flags " --defsym __SDATA_BEGIN__=0"
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}
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if [is_pecoff_format] {
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append flags " --image-base 0"
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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fail $test1
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} else {
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verbose -log "$exec_output"
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if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] {
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pass $test1
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} else {
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fail $test1
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}
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}
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# Check cross references within a single object.
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if { ![ld_compile "$CC_FOR_TARGET $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
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unsupported $test2
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set CFLAGS_FOR_TARGET "$old_CFLAGS"
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return
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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fail $test2
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} else {
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verbose -log "$exec_output"
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if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
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pass $test2
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} else {
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fail $test2
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}
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}
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# Check cross references for ld -r
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if { ![ld_compile "$CC_FOR_TARGET $NOSANITIZE_CFLAGS $NOLTO_CFLAGS" "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } {
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unsupported $test3
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set CFLAGS_FOR_TARGET "$old_CFLAGS"
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return
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}
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if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] {
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fail $test3
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set CFLAGS_FOR_TARGET "$old_CFLAGS"
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return
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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pass $test3
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} else {
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verbose -log "$exec_output"
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fail $test3
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross4 -T $srcdir/$subdir/cross4.t tmpdir/cross4.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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pass $test4
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} else {
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verbose -log "$exec_output"
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fail $test4
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross5 -T $srcdir/$subdir/cross5.t tmpdir/cross4.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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fail $test5
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} else {
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verbose -log "$exec_output"
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if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
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pass $test5
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} else {
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fail $test5
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}
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross6 -T $srcdir/$subdir/cross6.t tmpdir/cross3.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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pass $test6
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} else {
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verbose -log "$exec_output"
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fail $test6
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}
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set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross7 -T $srcdir/$subdir/cross7.t tmpdir/cross3.o"]
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set exec_output [prune_warnings $exec_output]
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regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
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if [string match "" $exec_output] then {
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fail $test7
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} else {
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verbose -log "$exec_output"
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if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
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pass $test7
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} else {
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fail $test7
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}
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}
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set CFLAGS_FOR_TARGET "$old_CFLAGS"
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