ld/testsuite/ld-elf/sec-to-seg.exp

   1 # Test the assigment of sections to segments.
   2 #
   3 # Copyright (C) 2008-2021 Free Software Foundation, Inc.
   4 # Contributed by Red Hat.
   5 #
   6 # This file is part of the GNU Binutils.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21 # MA 02110-1301, USA.
  22
  23 set testname "assignment of ELF sections to segments"
  24
  25 if {! [is_elf_format] } {
  26     unsupported $testname
  27     return
  28 }
  29
  30 if {   ! [ld_assemble $as $srcdir/$subdir/sec-to-seg1.s tmpdir/sec-to-seg1.o]
  31     || ! [ld_assemble $as $srcdir/$subdir/sec-to-seg2.s tmpdir/sec-to-seg2.o]} then {
  32     unresolved $testname
  33     return
  34 }
  35
  36 proc sec_to_seg_test { testname scriptname same_seg } {
  37     global srcdir
  38     global subdir
  39     global ld
  40     global exec_output
  41     global READELF
  42
  43     if {! [ld_link $ld tmpdir/sec-to-seg "-T $srcdir/$subdir/$scriptname tmpdir/sec-to-seg1.o tmpdir/sec-to-seg2.o"] } then {
  44         fail $testname
  45         return 0
  46     }
  47
  48     send_log "$READELF --program-headers --section-headers tmpdir/sec-to-seg\n"
  49     set exec_output [run_host_cmd "$READELF" "--program-headers --section-headers tmpdir/sec-to-seg"]
  50
  51     if { $same_seg == 1 } {
  52       if {! [regexp ".*.sec1 .sec2" $exec_output] } {
  53           fail $testname
  54           return 0
  55       }
  56     } else {
  57       if {  [regexp ".*.sec1 .sec2" $exec_output] } {
  58           fail $testname
  59           return 0
  60       }
  61     }
  62
  63     pass $testname
  64     return 1
  65 }
  66
  67 # Assuming a pagesize of 0x1000 then:
  68 #
  69 # Test  Sec1 End  Sec 2 Start    Expected Result
  70 # ----  --------  -----------    ---------------
  71 #  A    00001042   00001043      Both sections on same page: assign to same segment.
  72 #  B    00001042   00002044      Sections on adjacent pages: assign to same segment.
  73 #  C    00001042   00003044      Sections on disjoint pages: assign to separate segments.
  74
  75 # These targets have a pagesize of 1, so they will always end up
  76 # placing the two sections in separate segments in the B test.
  77 if {    [istarget avr-*-*]
  78      || [istarget cr16-*-*]
  79      || [istarget crx-*-*]
  80      || [istarget dlx-*-*]
  81      || [istarget ft32-*-*]
  82      || [istarget h8300-*-*]
  83      || [istarget ip2k-*-*]
  84      || [istarget m32r-*-*]
  85      || [istarget moxie-*-*]
  86      || [istarget msp430-*-*]
  87      || [istarget mt-*-*]
  88      || [istarget pru-*-*]
  89      || [istarget visium-*-*]
  90     } {
  91     set B_test_same_seg 0
  92 } else {
  93     set B_test_same_seg 1
  94 }
  95
  96 sec_to_seg_test "assignment of ELF sections to segments (same page)"      "sec-to-seg-script-same-page.t" 1
  97 sec_to_seg_test "assignment of ELF sections to segments (adjacent pages)" "sec-to-seg-script-adjoining-pages.t" $B_test_same_seg
  98 sec_to_seg_test "assignment of ELF sections to segments (disjoint pages)" "sec-to-seg-script-disjoint-pages.t" 0
  99
 100
 101 # FIXME: Add more tests to check other rules of section to segment assignment.