binutils/testsuite/binutils-all/update-section.exp

# Copyright (C) 2015-2023 Free Software Foundation, Inc.

# 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_remote host] } then {
    return
}

# These tests use ELF .section directives
if ![is_elf_format] {
    return
}

send_user "Version [binutil_version $OBJCOPY]"

proc do_assemble {srcfile} {
    global srcdir
    global subdir
    set objfile [regsub -- "\.s$" $srcfile ".o"]
    if {![binutils_assemble $srcdir/$subdir/${srcfile} tmpdir/${objfile}]} then {
        return 0;
    }
    return 1;
}

proc do_objcopy {objfile extraflags {pattern ""}} {
    global OBJCOPY
    global OBJCOPYFLAGS

    set testname "objcopy $extraflags ${objfile}"
    set got [binutils_run $OBJCOPY \
                 "$OBJCOPYFLAGS ${extraflags} tmpdir/${objfile}"]
    if ![regexp $pattern $got] then {
        fail "objcopy ($testname)"
        return 0
    }
    if { $pattern != "" } then {
        pass "objcopy ($testname)"
    }
    return 1
}

proc do_compare {file1 file2} {
    set src1 "tmpdir/${file1}"
    set src2 "tmpdir/${file2}"
    set status [remote_exec build cmp "${src1} ${src2}"]
    set exec_output [lindex $status 1]
    set exec_output [prune_warnings $exec_output]

    set testname "compare ${file1} ${file2}"
    if [string match "" $exec_output] then {
        pass "objcopy ($testname)"
    } else {
        send_log "$exec_output\n"
        verbose "$exec_output" 1
        fail "objcopy ($testname)"
        return 0
    }
    return 1
}

#
# Start Of Tests
#

foreach f [list update-1.s update-2.s update-3.s update-4.s] {
    if { ![do_assemble $f] } then {
        unsupported "update-section.exp"
        return
    }
}

# Check that we can dump empty sections.
if { ![do_objcopy update-1.o "--dump-section .text=tmpdir/empty"] } {
    fail "objcopy (dump empty section)"
} else {
    pass "objcopy (dump empty section)"
}

if { ![do_objcopy update-1.o \
           "--dump-section .foo=tmpdir/dumped-contents"]
     || ![do_objcopy update-2.o \
              "--update-section .foo=tmpdir/dumped-contents"]
     || ![do_objcopy update-3.o \
              "--update-section .foo=tmpdir/dumped-contents"]
     || ![do_objcopy update-4.o \
              "--update-section .bar=tmpdir/dumped-contents \
               --rename-section .bar=.foo"] } then {
    # If any of the above tests failed then a FAIL will already have
    # been reported.
    return
}

# Check that the updated object files are as expected.
do_compare update-1.o update-2.o
do_compare update-1.o update-3.o
do_compare update-1.o update-4.o

# Check that --update-section on an unknown section will fail.
if { ![do_objcopy update-2.o \
           "--update-section .bar=tmpdir/dumped-contents" \
           "error: .bar not found, can't be updated"] } then {
    return
}

# Check that --update-section and --remove-section on the same section
# will fail.
if { ![do_objcopy update-2.o \
           "--update-section .foo=tmpdir/dumped-contents \
            --remove-section .foo" \
           "error: section .foo matches both update and remove options"] \
     } then {
    return
}