mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
101 lines
3.1 KiB
Plaintext
101 lines
3.1 KiB
Plaintext
# Test NOCROSSREFS in a linker script.
|
|
# By Ian Lance Taylor, Cygnus Support.
|
|
# Copyright 2001
|
|
# Free Software Foundation, Inc.
|
|
#
|
|
# This file 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
set test1 "NOCROSSREFS 1"
|
|
set test2 "NOCROSSREFS 2"
|
|
|
|
if { [which $CC] == 0 } {
|
|
untested $test1
|
|
untested $test2
|
|
return
|
|
}
|
|
|
|
# Xtensa targets currently default to putting literal values in a separate
|
|
# section and that requires linker script support, so put literals in text.
|
|
global CFLAGS
|
|
if [istarget xtensa*-*-*] {
|
|
set CFLAGS "$CFLAGS -mtext-section-literals"
|
|
}
|
|
|
|
if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
|
|
|| ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
|
|
unresolved $test1
|
|
unresolved $test2
|
|
return
|
|
}
|
|
|
|
set flags [big_or_little_endian]
|
|
|
|
# The a29k compiled code calls V_SPILL and V_FILL. Since we don't
|
|
# need to run this code, but we don't have definitions for those
|
|
# functions, we just define them out.
|
|
if [istarget a29k*-*-*] {
|
|
set flags "$flags --defsym V_SPILL=0 --defsym V_FILL=0"
|
|
}
|
|
|
|
if [istarget sh64*-*-elf] {
|
|
# This is what gcc passes to ld by default.
|
|
set flags "-mshelf32"
|
|
}
|
|
|
|
verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"
|
|
|
|
catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output
|
|
|
|
set exec_output [prune_warnings $exec_output]
|
|
|
|
regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
|
|
|
|
if [string match "" $exec_output] then {
|
|
fail $test1
|
|
} else {
|
|
verbose -log "$exec_output"
|
|
if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] {
|
|
pass $test1
|
|
} else {
|
|
fail $test1
|
|
}
|
|
}
|
|
|
|
# Check cross references within a single object.
|
|
|
|
if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
|
|
unresolved $test2
|
|
return
|
|
}
|
|
|
|
verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"
|
|
|
|
catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output
|
|
|
|
set exec_output [prune_warnings $exec_output]
|
|
|
|
regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
|
|
|
|
if [string match "" $exec_output] then {
|
|
fail $test2
|
|
} else {
|
|
verbose -log "$exec_output"
|
|
if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
|
|
pass $test2
|
|
} else {
|
|
fail $test2
|
|
}
|
|
}
|