Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

# Expect script for run_dump_test based ld-m68k GOT tests.
#   Copyright (C) 2008-2020 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.
#

if { ![is_elf_format] || ![istarget m68k-*-*] } {
    return
}

# 1 - 1
# 2 - 8189
# 3 - 8190
# 4 - 16382
# 5 - 16385

proc gen_got_test { testname } {
    global srcdir
    global subdir

    if [catch { set ofd [open "tmpdir/$testname.s" w] } msg] {
	perror "$msg"
	unresolved $testname
	return
    }

    switch --  $testname {
	"got-12" {
	    set start 1
	    set count 8189
	    set xgot 0
	}
	"got-13" {
	    set start 1
	    set count 8190
	    set xgot 0
	}
	"got-14" {
	    set start 1
	    set count 16382
	    set xgot 0
	}
	"got-15" {
	    set start 1
	    set count 16385
	    set xgot 0
	}
	"got-34" {
	    set start 8190
	    set count 16382
	    set xgot 0
	}
	"got-35" {
	    set start 8190
	    set count 16385
	    set xgot 0
	}
	"xgot-15" {
	    set start 1
	    set count 16385
	    set xgot 1
	}
    }

    set func [format "sum_%05d_%05d" $start $count]
    puts $ofd "\t.text"
    puts $ofd "\t.align	2"
    puts $ofd "\t.globl $func"
    puts $ofd "\t.type $func,@function"
    puts $ofd "$func:"
    puts $ofd "\tlink.w %fp,#0"
    puts $ofd "\tmove.l %a5,-(%sp)"
    puts $ofd "\tmove.l #_GLOBAL_OFFSET_TABLE_@GOTPC, %a5"
    puts $ofd "\tlea (-6, %pc, %a5), %a5"

    if { $xgot == 1 } {
	set symbol [format "a%05d" $start]
	incr start
	puts $ofd "\tlea $symbol@GOT,%a0"
	puts $ofd "\tadd.l %a5,%a0"
	puts $ofd "\tmove.l (%a0),%a0"
	puts $ofd "\tmove.l (%a0),%d1"
	for { set i $start } { $i < $count } { incr i } {
	    set symbol [format "a%05d" $i]
	    puts $ofd "\tlea $symbol@GOT,%a0"
	    puts $ofd "\tadd.l %a5,%a0"
	    puts $ofd "\tmove.l (%a0),%a0"
	    puts $ofd "\tmove.l (%a0),%d0"
	    puts $ofd "\tadd.l %d0,%d1"
	}
	set symbol [format "a%05d" $count]
	puts $ofd "\tlea $symbol@GOT,%a0"
	puts $ofd "\tadd.l %a5,%a0"
	puts $ofd "\tmove.l (%a0),%a0"
	puts $ofd "\tmove.l (%a0),%d0"
	puts $ofd "\tadd.l %d1,%d0"
    } else {
	set symbol [format "a%05d" $start]
	incr start
	puts $ofd "\tmove.l $symbol@GOT(%a5),%d0"
	puts $ofd "\tmove.l %d0,%a0"
	puts $ofd "\tmove.l (%a0),%d1"
	for { set i $start } { $i < $count } { incr i } {
	    set symbol [format "a%05d" $i]
	    puts $ofd "\tmove.l $symbol@GOT(%a5),%d0"
	    puts $ofd "\tmove.l %d0,%a0"
	    puts $ofd "\tmove.l (%a0),%d0"
	    puts $ofd "\tadd.l %d0,%d1"
	}
	set symbol [format "a%05d" $count]
	puts $ofd "\tmove.l $symbol@GOT(%a5),%d0"
	puts $ofd "\tmove.l %d0,%a0"
	puts $ofd "\tmove.l (%a0),%d0"
	puts $ofd "\tadd.l %d1,%d0"
    }

    puts $ofd "\tmove.l (%sp)+,%a5"
    puts $ofd "\tunlk %fp"
    puts $ofd "\trts"
    puts $ofd "\t.size	$func, .-$func"

    close $ofd
}

proc got_test { testname } {
    global srcdir
    global subdir
    global objdir

    if [catch { set ifd [open "$srcdir/$subdir/$testname.d" r] } msg] {
	perror "$msg"
	unresolved $testname
	return
    }
    if [catch { set ofd [open "tmpdir/$testname.d" w] } msg] {
	perror "$msg"
	unresolved $testname
	return
    }

    switch --  $testname {
	"got-single-12-ok" {
	    puts $ofd "#source: ./tmpdir/got-12.s"
	    set count 8189
	}
	"got-single-13-er" {
	    puts $ofd "#source: ./tmpdir/got-13.s"
	    set count 0
	}
	"got-negative-14-ok" {
	    puts $ofd "#source: ./tmpdir/got-14.s"
	    set count 16382
	}
	"got-negative-15-er" {
	    puts $ofd "#source: ./tmpdir/got-15.s"
	    set count 0
	}
	"got-negative-12-13-14-34-ok" {
	    puts $ofd "#source: ./tmpdir/got-12.s"
	    puts $ofd "#source: ./tmpdir/got-13.s"
	    puts $ofd "#source: ./tmpdir/got-14.s"
	    puts $ofd "#source: ./tmpdir/got-34.s"
	    set count 16382
	}
	"got-negative-12-13-14-35-er" {
	    puts $ofd "#source: ./tmpdir/got-12.s"
	    puts $ofd "#source: ./tmpdir/got-13.s"
	    puts $ofd "#source: ./tmpdir/got-14.s"
	    puts $ofd "#source: ./tmpdir/got-35.s"
	    set count 0
	}
	"got-multigot-14-ok" {
	    puts $ofd "#source: ./tmpdir/got-14.s"
	    set count 16382
	}
	"got-multigot-15-er" {
	    puts $ofd "#source: ./tmpdir/got-15.s"
	    set count 0
	}
	"got-multigot-12-13-14-34-35-ok" {
	    puts $ofd "#source: ./tmpdir/got-12.s"
	    puts $ofd "#source: ./tmpdir/got-13.s"
	    puts $ofd "#source: ./tmpdir/got-14.s"
	    puts $ofd "#source: ./tmpdir/got-34.s"
	    puts $ofd "#source: ./tmpdir/got-35.s"
	    set count 24578
	}
	"got-xgot-15-ok" {
	    puts $ofd "#source: ./tmpdir/xgot-15.s"
	    set count 16385
	}
	"got-xgot-12-13-14-15-34-35-ok" {
	    puts $ofd "#source: ./tmpdir/got-12.s"
	    puts $ofd "#source: ./tmpdir/got-13.s"
	    puts $ofd "#source: ./tmpdir/got-14.s"
	    puts $ofd "#source: ./tmpdir/xgot-15.s"
	    puts $ofd "#source: ./tmpdir/got-34.s"
	    puts $ofd "#source: ./tmpdir/got-35.s"
	    set count 24581
	}
    }

    while { [gets $ifd line] != -1 } {
	puts $ofd $line
    }

    for { set i 0 } { $i < $count } { incr i } {
	puts $ofd "^\[0-9a-f\]+  \[0-9a-f\]+ R_68K_GLOB_DAT    00000000   a\[0-9\]+ \\\+ 0"
    }

    close $ifd
    close $ofd
    run_dump_test "tmpdir/$testname"
}

gen_got_test got-12
gen_got_test got-13
gen_got_test got-14
gen_got_test got-15
gen_got_test got-34
gen_got_test got-35
gen_got_test xgot-15

run_dump_test "got-1"
got_test "got-single-12-ok"
got_test "got-single-13-er"
got_test "got-negative-14-ok"
got_test "got-negative-15-er"
got_test "got-negative-12-13-14-34-ok"
got_test "got-negative-12-13-14-35-er"
got_test "got-multigot-14-ok"
got_test "got-multigot-15-er"
got_test "got-multigot-12-13-14-34-35-ok"
got_test "got-xgot-15-ok"
got_test "got-xgot-12-13-14-15-34-35-ok"