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      1 # Expect script for symbol export classes, PowerPC variation.
      2 #
      3 # Copyright (C) 2012-2014 Free Software Foundation, Inc.
      4 #
      5 # This file is part of the GNU Binutils.
      6 #
      7 # This program is free software; you can redistribute it and/or modify
      8 # it under the terms of the GNU General Public License as published by
      9 # the Free Software Foundation; either version 3 of the License, or
     10 # (at your option) any later version.
     11 #
     12 # This program is distributed in the hope that it will be useful,
     13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 # GNU General Public License for more details.
     16 #
     17 # You should have received a copy of the GNU General Public License
     18 # along with this program; if not, write to the Free Software
     19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     20 # MA 02110-1301, USA.
     21 #
     22 
     23 #
     24 # Written by Maciej W. Rozycki <macro (at) codesourcery.com>
     25 #
     26 
     27 # Exclude non-Linux targets; feel free to include your favorite one
     28 # if you like.
     29 if { ![istarget powerpc*-*-linux*] } {
     30     return
     31 }
     32 
     33 proc powerpc_export_class_test { abi endian emul } {
     34 
     35     set testname "PowerPC $abi $endian symbol export class test"
     36 
     37     set AFLAGS "-a$abi -$endian"
     38     set LDFLAGS "-m$emul"
     39 
     40     # Build an auxiliary shared object with conflicting versioned symbol
     41     # definitions.
     42     run_ld_link_tests [list \
     43 	[list \
     44 	    "$testname (auxiliary shared object)" \
     45 	    "$LDFLAGS -shared -version-script ../ld-elf/export-class-lib.ver" "" \
     46 	    "$AFLAGS" \
     47 	    { ../ld-elf/export-class-lib.s } \
     48 	    {} \
     49 	    "powerpc-$abi-export-class-lib.so" \
     50 	] \
     51     ]
     52 
     53     # Build a static object that pulls symbol definitions.  It has to come
     54     # first before the auxiliary shared object and other static objects on
     55     # the linker's command line and hence we need to build it separately.
     56     run_ld_link_tests [list \
     57 	[list \
     58 	    "$testname (initial static object)" \
     59 	    "$LDFLAGS -r" "" \
     60 	    "$AFLAGS" \
     61 	    { ../ld-elf/export-class-ref.s } \
     62 	    {} \
     63 	    "powerpc-$abi-export-class-ref-r.o" \
     64 	] \
     65     ]
     66 
     67     # Build static objects that satisfy symbol dependencies and preempt
     68     # shared-object symbol definitions, and link all the objects built into
     69     # the final shared object.  The command-line order of objects linked is
     70     # important to make sure the linker correctly preempts versioned symbols
     71     # from the auxiliary shared object and is as follows: ref, lib, dep, def.
     72     # Get a dump to make sure symbol dependencies are resolved internally.
     73     run_ld_link_tests [list \
     74 	[list \
     75 	    "$testname (final shared object)" \
     76 	    "$LDFLAGS -shared -Tdata=0x12340000 tmpdir/powerpc-$abi-export-class-ref-r.o tmpdir/powerpc-$abi-export-class-lib.so" "" \
     77 	    "$AFLAGS" \
     78 	    { ../ld-elf/export-class-dep.s ../ld-elf/export-class-def.s } \
     79 	    [list \
     80 		[list readelf -r powerpc-$abi-export-class.rd] \
     81 		[list readelf "-x .data" powerpc-$abi-export-class.xd] \
     82 	    ] \
     83 	    "powerpc-$abi-export-class.so" \
     84 	] \
     85     ]
     86 }
     87 
     88 set abis { 32 be elf32ppclinux 32 le elf32lppclinux 64 be elf64ppc 64 le elf64lppc }
     89 
     90 global ld
     91 catch "exec $ld --help | grep emulations" ldemul
     92 
     93 foreach { abi endian emul } $abis {
     94     if { [string first $emul $ldemul] != -1 } then {
     95 	powerpc_export_class_test $abi $endian $emul
     96     }
     97 }
     98