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|
# Expect script for ld-plugin LIBDEP tests
# Copyright (C) 2024 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.
# These tests require the plugin API.
if { ![check_plugin_api_available] } {
return
}
# Check to see if the C compiler works
# FIXME: This is being lazy, we could create assembler equivalents instead.
if { ![check_compiler_available] } {
return
}
proc run_test { } {
global CC_FOR_TARGET
global srcdir
global subdir
global ar
global ld
global libdep
global base_dir
set testname "libdep test"
# Create temporary directories if they do not already exist.
file mkdir -p libdep-a libdep-b
# Delete old versions of the files we are about to build, just in case.
file delete libdep-a/a.o libdep-a/liba.a libdep-b/b.o libdep-b/libc.a libdep-main.o
# Build object files.
if {![ld_compile $CC_FOR_TARGET $srcdir/$subdir/libdep-a.c libdep-a/a.o]} {
fail "$testname: could not compile source file 1"
return
}
if {![ld_compile $CC_FOR_TARGET $srcdir/$subdir/libdep-b.c libdep-b/b.o]} {
fail "$testname: could not compile source file 2"
return
}
if {![ld_compile $CC_FOR_TARGET $srcdir/$subdir/libdep-main.c libdep-main.o]} {
fail "$testname: could not compile source file 3"
return
}
# Create static archives from the objects.
# For the first archive we add a libdep element that loads the second library.
if {![ar_simple_create $ar {--record-libdeps "-Llibdep-b -lc"} libdep-a/liba.a libdep-a/a.o]} {
fail "$testname: could not create archive 1"
return
}
# For the second archive we choose a name - libc.a - that is likely to clash
# with a system library. This will help to check that the library loaded by
# following the libdep element in the first library is the one that we expect.
if {![ar_simple_create $ar {} libdep-b/libc.a libdep-b/b.o]} {
fail "$testname: could not create archive 2"
return
}
# Find the libdep plugin.
# Use libtool to find the path to the plugin rather
# than worrying about run paths or anything like that.
catch "exec $base_dir/libtool --config" lt_config
verbose "Full lt config: $lt_config" 2
# Look for "objdir=.libs"
regexp -line "^objdir=.*$" "$lt_config" lt_objdir
verbose "lt_objdir line is '$lt_objdir'" 2
set lt_objdir [regsub "objdir=" "$lt_objdir" ""]
if { [ file exists "$base_dir/$lt_objdir/libdep.so" ] } {
set libdep "$base_dir/$lt_objdir/libdep.so"
} else {
# FIXME: Check in the system bfd-plugin directory ?
fail "$testname - could not locate libdep plugin"
}
verbose "Full plugin path: $libdep" 1
# Link the main object file with the liba.a library.
# Use the libdep plugin to read the __.LIBDEP element in the liba.a library
# and so bring in the libdep-b.o object file from the libc.a library.
# Failure to locate the libc.a library, or loading the wrong libc.a library
# will result in an unresolved reference error.
set exec_output [run_host_cmd "$ld" "-plugin $libdep -o libdep.exe libdep-main.o -L libdep-a -la -e 0"]
set exec_output [prune_warnings $exec_output]
set expected_output "got deps for library libdep-a/liba.a: -Llibdep-b -lc"
if ![string match $expected_output $exec_output] then {
fail "$testname: did not get expected output from the linker"
return
}
regsub -all "$expected_output" $exec_output "\\1" exec_output
if {![string match "" $exec_output]} {
fail "$testname: unexpected output from linker: $exec_output"
return
}
pass "$testname"
}
run_test
|
