# Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
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# Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# along with GCC; see the file COPYING3. If not see
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# .
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# .
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# This test checks whether MIPS ELF configurations pass the right
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# This test checks whether MIPS ELF configurations pass the right
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# ABI flags to the assembler. An ABI flag should always be passed
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# ABI flags to the assembler. An ABI flag should always be passed
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# unless MEABI is selected.
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# unless MEABI is selected.
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load_lib gcc-dg.exp
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load_lib gcc-dg.exp
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# Only run this test on MIPS ELF targets
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# Only run this test on MIPS ELF targets
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if {![istarget mips*-*-*] || [gcc_target_object_format] != "elf"} {
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if {![istarget mips*-*-*] || [gcc_target_object_format] != "elf"} {
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return
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return
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}
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}
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# A list of all assembler ABI flags.
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# A list of all assembler ABI flags.
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set asm_abi_flags {-mabi=32 -mabi=n32 -mabi=64 -mabi=o64 -mabi=eabi}
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set asm_abi_flags {-mabi=32 -mabi=n32 -mabi=64 -mabi=o64 -mabi=eabi}
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# Try to assemble mips-abi.s (an empty file), passing -v in order to
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# Try to assemble mips-abi.s (an empty file), passing -v in order to
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# get the assembler command line. Check whether an appropriate ABI
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# get the assembler command line. Check whether an appropriate ABI
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# flag is passed.
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# flag is passed.
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#
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#
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# NAME is a name for the pass/fail line.
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# NAME is a name for the pass/fail line.
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# ABIS is a list of acceptable assembler ABI flags, or "" if no
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# ABIS is a list of acceptable assembler ABI flags, or "" if no
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# ABI flag is expected.
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# ABI flag is expected.
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# FLAGS is a list of options for gcc.
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# FLAGS is a list of options for gcc.
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proc check_mips_abi {name abis flags} {
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proc check_mips_abi {name abis flags} {
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global srcdir subdir
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global srcdir subdir
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lappend flags "-v"
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lappend flags "-v"
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set lines [gcc_target_compile "$srcdir/$subdir/mips-abi.s" \
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set lines [gcc_target_compile "$srcdir/$subdir/mips-abi.s" \
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"mips-abi.o" object \
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"mips-abi.o" object \
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[list "additional_flags=$flags"]]
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[list "additional_flags=$flags"]]
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set good 0
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set good 0
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set bad 0
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set bad 0
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foreach line [split $lines "\n"] {
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foreach line [split $lines "\n"] {
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# Find the assembler command line.
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# Find the assembler command line.
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if {[string first "$srcdir/$subdir/mips-abi.s" $line] >= 0} {
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if {[string first "$srcdir/$subdir/mips-abi.s" $line] >= 0} {
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foreach arg [split $line " "] {
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foreach arg [split $line " "] {
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# Count the number of matching and non-matching
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# Count the number of matching and non-matching
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# ABI options.
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# ABI options.
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if {[lsearch -exact $abis $arg] >= 0} {
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if {[lsearch -exact $abis $arg] >= 0} {
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incr good
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incr good
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} elseif {[string match "-mabi=*" $arg]} {
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} elseif {[string match "-mabi=*" $arg]} {
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incr bad
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incr bad
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}
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}
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}
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}
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}
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}
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}
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}
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if {$good == ($abis != "") && $bad == 0} {
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if {$good == ($abis != "") && $bad == 0} {
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pass "mips-abi $name"
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pass "mips-abi $name"
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} else {
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} else {
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fail "mips-abi $name"
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fail "mips-abi $name"
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}
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}
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}
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}
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# Collect the default target flags.
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# Collect the default target flags.
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set default_flags ""
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set default_flags ""
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set target [target_info name]
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set target [target_info name]
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if {[info exists CFLAGS_FOR_TARGET]} {
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if {[info exists CFLAGS_FOR_TARGET]} {
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append default_flags " $CFLAGS_FOR_TARGET"
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append default_flags " $CFLAGS_FOR_TARGET"
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}
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}
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if {[board_info $target exists cflags]} {
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if {[board_info $target exists cflags]} {
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append default_flags " [board_info $target cflags]"
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append default_flags " [board_info $target cflags]"
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}
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}
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if {[board_info $target exists multilib_flags]} {
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if {[board_info $target exists multilib_flags]} {
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append default_flags " [board_info $target multilib_flags]"
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append default_flags " [board_info $target multilib_flags]"
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}
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}
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# See whether the default command line specifies an ABI.
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# See whether the default command line specifies an ABI.
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set default_abi ""
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set default_abi ""
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foreach flag $default_flags {
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foreach flag $default_flags {
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if {[string match "-mabi=*" $flag]} {
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if {[string match "-mabi=*" $flag]} {
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set default_abi $flag
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set default_abi $flag
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}
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}
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}
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}
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# If the command line does specify an ABI, just check for the
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# If the command line does specify an ABI, just check for the
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# appropriate assembler flag.
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# appropriate assembler flag.
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if {$default_abi != ""} {
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if {$default_abi != ""} {
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check_mips_abi "command line" $default_abi ""
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check_mips_abi "command line" $default_abi ""
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} else {
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} else {
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# An ABI should be passed to the assembler by default.
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# An ABI should be passed to the assembler by default.
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# It doesn't seem worthwhile to duplicate the
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# It doesn't seem worthwhile to duplicate the
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# configuration to ABI logic here, so just accept any ABI.
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# configuration to ABI logic here, so just accept any ABI.
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check_mips_abi "default" $asm_abi_flags ""
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check_mips_abi "default" $asm_abi_flags ""
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# See whether passing a -mabi flag does the right thing.
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# See whether passing a -mabi flag does the right thing.
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foreach abi $asm_abi_flags {
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foreach abi $asm_abi_flags {
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check_mips_abi $abi $abi $abi
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check_mips_abi $abi $abi $abi
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}
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}
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}
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}
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