| # Copyright (C) 2009-2013 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 GCC; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| # Contributed by Diego Novillo <dnovillo@google.com> |
| |
| # Prune messages that aren't useful. |
| |
| proc lto_prune_warns { text } { |
| |
| verbose "lto_prune_warns: entry: $text" 2 |
| |
| # Many tests that use visibility will still pass on platforms that don't support it. |
| regsub -all "(^|\n)\[^\n\]*: warning: visibility attribute not supported in this configuration; ignored\[^\n\]*" $text "" text |
| |
| # Allow mixed-language LTO tests to pass with make check-c++0x |
| regsub -all "(^|\n)\[^\n\]*: warning: command line option '-std=\[^\n\]*" $text "" text |
| |
| # And any stray location lines. |
| regsub -all "(^|\n)\[^\n\]*: In function \[^\n\]*" $text "" text |
| regsub -all "(^|\n)In file included from \[^\n\]*" $text "" text |
| regsub -all "(^|\n)\[ \t\]*from \[^\n\]*" $text "" text |
| |
| # Sun ld warns about common symbols with differing sizes. Unlike GNU ld |
| # --warn-common (off by default), they cannot be disabled. |
| regsub -all "(^|\n)ld: warning: symbol \[`'\]\[^\n\]*' has differing sizes:" $text "" text |
| regsub -all "(^|\n)\[ \t\]*\[\(\]file \[^\n\]* value=\[^\n\]*; file \[^\n\]* value=\[^\n\]*\[)\];" $text "" text |
| regsub -all "(^|\n)\[ \t\]*\[^\n\]* definition taken" $text "" text |
| |
| verbose "lto_prune_warns: exit: $text" 2 |
| |
| return $text |
| } |
| |
| # lto_init -- called at the start of each subdir of tests |
| |
| proc lto_init { args } { |
| global LTO_OPTIONS |
| |
| if {[info exists args] && $args == "no-mathlib"} { |
| global board_info |
| global saved_mathlib |
| |
| set dest [target_info name] |
| if [board_info $dest exists mathlib] { |
| set saved_mathlib [board_info $dest mathlib] |
| } |
| set board_info($dest,mathlib) " " |
| } |
| |
| # Each test is run with the compiler options from this list. |
| # The default option lists can be overridden by LTO_OPTIONS="[list |
| # {opts_1} {opts_2}... {opts_n}]" where opts_i are lists of options. |
| # You can put this in the environment before site.exp is written or |
| # add it to site.exp directly. |
| if ![info exists LTO_OPTIONS] { |
| if [check_linker_plugin_available] { |
| set LTO_OPTIONS [list \ |
| {-O0 -flto -flto-partition=none -fuse-linker-plugin} \ |
| {-O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects } \ |
| {-O0 -flto -flto-partition=1to1 -fno-use-linker-plugin } \ |
| {-O2 -flto -flto-partition=1to1 -fno-use-linker-plugin } \ |
| {-O0 -flto -fuse-linker-plugin -fno-fat-lto-objects } \ |
| {-O2 -flto -fuse-linker-plugin} \ |
| ] |
| } else { |
| set LTO_OPTIONS [list \ |
| {-O0 -flto -flto-partition=none } \ |
| {-O2 -flto -flto-partition=none } \ |
| {-O0 -flto -flto-partition=1to1 } \ |
| {-O2 -flto -flto-partition=1to1 } \ |
| {-O0 -flto } \ |
| {-O2 -flto} \ |
| ] |
| } |
| } |
| } |
| |
| # |
| # lto_finish -- called at the end of each subdir of tests if mathlib is |
| # changed. |
| # |
| |
| proc lto_finish { } { |
| global board_info |
| global saved_mathlib |
| |
| set dest [target_info name] |
| if [info exists saved_mathlib] { |
| set board_info($dest,mathlib) $saved_mathlib |
| } elseif [board_info $dest exists mathlib] { |
| unset board_info($dest,mathlib) |
| } |
| } |
| |
| # Subsets of tests can be selectively disabled by members of this list: |
| # - ATTRIBUTE: disable all tests using the __attribute__ extension, |
| # - COMPLEX: disable all tests using the complex types feature, |
| # - COMPLEX_INT: disable all tests using the complex integral types extension, |
| # - VA: disable all tests using the variable number of arguments feature, |
| # - VLA_IN_STRUCT: disable all tests using the variable-length arrays as |
| # structure members extension, |
| # - ZERO_ARRAY: disable all tests using the zero-sized arrays extension. |
| # The default skip lists can be overriden by |
| # LTO_SKIPS="[list {skip_1}...{skip_n}]" |
| # where skip_i are skip identifiers. You can put this in the environment |
| # before site.exp is written or add it to site.exp directly. |
| if ![info exists LTO_SKIPS] { |
| set LTO_SKIPS [list {}] |
| } |
| |
| global lto_skip_list |
| set lto_skip_list $LTO_SKIPS |
| |
| load_lib dg.exp |
| load_lib gcc-dg.exp |
| load_lib gcc.exp |
| |
| # lto-obj -- compile to an object file |
| # |
| # SOURCE is the source file |
| # DEST is the object file |
| # OPTALL is the list of compiler options to use with all tests |
| # OPTFILE is the list of compiler options to use with this file |
| # OPTSTR is the options to print with test messages |
| # XFAILDATA is the xfail data to be passed to the compiler |
| proc lto-obj { source dest optall optfile optstr xfaildata } { |
| global testcase |
| global tool |
| global compiler_conditional_xfail_data |
| global lto_skip_list |
| |
| # Add the skip specifiers. |
| foreach skip $lto_skip_list { |
| if { ![string match $skip ""] } { |
| lappend optall "-DSKIP_$skip" |
| } |
| } |
| |
| # Set up the options for compiling this file. |
| set options "" |
| lappend options "additional_flags=$optall $optfile" |
| |
| set compiler_conditional_xfail_data $xfaildata |
| |
| # Allow C source files to mix freely with other languages |
| if [ string match "*.c" $source ] then { |
| set comp_output [gcc_target_compile "$source" "$dest" object $options] |
| } else { |
| set comp_output [${tool}_target_compile "$source" "$dest" object $options] |
| } |
| # Prune unimportant visibility warnings before checking output. |
| set comp_output [lto_prune_warns $comp_output] |
| ${tool}_check_compile "$testcase $dest assemble" $optstr $dest $comp_output |
| } |
| |
| # lto-link-and-maybe-run -- link the object files and run the executable |
| # if compile_type is set to "run" |
| # |
| # TESTNAME is the mixture of object files to link |
| # OBJLIST is the list of object files to link |
| # DEST is the name of the executable |
| # OPTALL is a list of compiler and linker options to use for all tests |
| # OPTFILE is a list of compiler and linker options to use for this test |
| # OPTSTR is the list of options to list in messages |
| proc lto-link-and-maybe-run { testname objlist dest optall optfile optstr } { |
| global testcase |
| global tool |
| global compile_type |
| global board_info |
| |
| # Check that all of the objects were built successfully. |
| foreach obj [split $objlist] { |
| if ![file_on_host exists $obj] then { |
| unresolved "$testcase $testname link $optstr" |
| unresolved "$testcase $testname execute $optstr" |
| return |
| } |
| } |
| |
| # Set up the options for linking this test. |
| set options "" |
| lappend options "additional_flags=$optall $optfile" |
| |
| set target_board [target_info name] |
| set relocatable 0 |
| |
| # Some LTO tests do relocatable linking. Some target boards set |
| # a linker script which can't be used for relocatable linking. |
| # Use the default linker script instead. |
| if { [lsearch -exact [split "$optall $optfile"] "-r"] >= 0 } { |
| set relocatable 1 |
| } |
| |
| if { $relocatable } { |
| set saved_ldscript [board_info $target_board ldscript] |
| set board_info($target_board,ldscript) "" |
| } |
| |
| # Link the objects into an executable. |
| set comp_output [${tool}_target_compile "$objlist" $dest executable \ |
| "$options"] |
| |
| if { $relocatable } { |
| set board_info($target_board,ldscript) $saved_ldscript |
| } |
| |
| # Prune unimportant visibility warnings before checking output. |
| set comp_output [lto_prune_warns $comp_output] |
| |
| if ![${tool}_check_compile "$testcase $testname link" $optstr \ |
| $dest $comp_output] then { |
| unresolved "$testcase $testname execute $optstr" |
| return |
| } |
| |
| # Return if we only needed to link. |
| if { ![string compare "link" $compile_type] } { |
| return |
| } |
| |
| # Run the self-checking executable. |
| if ![string match "*/*" $dest] then { |
| set dest "./$dest" |
| } |
| set result [${tool}_load $dest "" ""] |
| set status [lindex $result 0] |
| if { $status == "pass" } then { |
| file_on_host delete $dest |
| } |
| $status "$testcase $testname execute $optstr" |
| } |
| |
| # lto-get-options-main -- get target requirements for a test and |
| # options for the primary source file and the test as a whole |
| # |
| # SRC is the full pathname of the primary source file. |
| proc lto-get-options-main { src } { |
| global compile_type |
| global dg-extra-ld-options |
| global dg-suppress-ld-options |
| |
| set dg-extra-ld-options "" |
| set dg-suppress-ld-options "" |
| |
| # dg-options sets a variable called dg-extra-tool-flags. |
| set dg-extra-tool-flags "" |
| |
| # dg-options sets a variable called tool_flags. |
| set tool_flags "" |
| |
| # dg-require-* sets dg-do-what. |
| upvar dg-do-what dg-do-what |
| upvar dg-final-code dg-final-code |
| set dg-final-code "" |
| |
| set tmp [dg-get-options $src] |
| verbose "getting options for $src: $tmp" |
| foreach op $tmp { |
| set cmd [lindex $op 0] |
| verbose "cmd is $cmd" |
| if { [string match "dg-skip-if" $cmd] \ |
| || [string match "dg-require-*" $cmd] } { |
| set status [catch "$op" errmsg] |
| if { $status != 0 } { |
| perror "src: $errmsg for \"$op\"\n" |
| unresolved "$src: $errmsg for \"$op\"" |
| return |
| } |
| } elseif { [string match "dg-lto-options" $cmd] } { |
| set op [lreplace $op 0 0 "dg-options"] |
| set status [catch "$op" errmsg] |
| if { $status != 0 } { |
| perror "src: $errmsg for \"$op\"\n" |
| unresolved "$src: $errmsg for \"$op\"" |
| return |
| } |
| } elseif { ![string compare "dg-xfail-if" $cmd] \ |
| || ![string compare "dg-options" $cmd] } { |
| warning "lto.exp does not support $cmd in primary source file" |
| } elseif { ![string compare "dg-lto-do" $cmd] } { |
| if { [llength $op] > 3 } { |
| set kw [lindex [lindex $op 3] 0] |
| if [string match "target" $kw] { |
| perror "$src: dg-lto-do does not support \"target\"" |
| } elseif [string match "xfail" $kw] { |
| perror "$src: dg-lto-do does not support \"xfail\"" |
| } else { |
| perror "$src: dg-lto-do takes a single argument" |
| } |
| } |
| set dgdo [lindex $op 2] |
| verbose "dg-lto-do command for \"$op\" is $dgdo" |
| if { ![string compare "assemble" $dgdo] } { |
| set compile_type "assemble" |
| } elseif { ![string compare "run" $dgdo] } { |
| set compile_type "run" |
| } elseif { ![string compare "link" $dgdo] } { |
| set compile_type "link" |
| } else { |
| warning "lto.exp does not support dg-lto-do $dgdo" |
| } |
| } elseif { ![string compare "dg-extra-ld-options" $cmd] } { |
| if { [llength $op] > 4 } { |
| error "[lindex $op 0]: too many arguments" |
| } else { |
| if { [llength $op] == 3 |
| || ([llength $op] > 3 |
| && [dg-process-target [lindex $op 3]] == "S") } { |
| set dg-extra-ld-options [lindex $op 2] |
| verbose \ |
| "dg-extra-ld-options for main is ${dg-extra-ld-options}" |
| } |
| } |
| } elseif { ![string compare "dg-suppress-ld-options" $cmd] } { |
| if { [llength $op] > 4 } { |
| error "[lindex $op 0]: too many arguments" |
| } else { |
| if { [llength $op] == 3 |
| || ([llength $op] > 3 |
| && [dg-process-target [lindex $op 3]] == "S") } { |
| set dg-suppress-ld-options [lindex $op 2] |
| verbose \ |
| "dg-suppress-ld-options for main is ${dg-suppress-ld-options}" |
| } |
| } |
| } elseif { ![string compare "dg-final" $cmd] } { |
| if { [llength $op] > 3 } { |
| error "[lindex $op 0]: too many arguments" |
| } else { |
| append dg-final-code "[lindex $op 2]\n" |
| } |
| } else { |
| # Ignore unrecognized dg- commands, but warn about them. |
| warning "lto.exp does not support $cmd" |
| } |
| } |
| |
| # Return flags to use for compiling the primary source file and for |
| # linking. |
| verbose "dg-extra-tool-flags for main is ${dg-extra-tool-flags}" |
| return ${dg-extra-tool-flags} |
| } |
| |
| |
| # lto-get-options -- get special tool flags to use for a secondary |
| # source file |
| # |
| # SRC is the full pathname of the source file. |
| # The result is a list of options to use. |
| # |
| # This code is copied from proc dg-test in dg.exp from DejaGNU. |
| proc lto-get-options { src } { |
| # dg-options sets a variable called dg-extra-tool-flags. |
| set dg-extra-tool-flags "" |
| |
| # dg-xfail-if sets compiler_conditional_xfail_data. |
| global compiler_conditional_xfail_data |
| set compiler_conditional_xfail_data "" |
| |
| # dg-xfail-if needs access to dg-do-what. |
| upvar dg-do-what dg-do-what |
| |
| set tmp [dg-get-options $src] |
| foreach op $tmp { |
| set cmd [lindex $op 0] |
| if { ![string compare "dg-options" $cmd] \ |
| || ![string compare "dg-xfail-if" $cmd] } { |
| set status [catch "$op" errmsg] |
| if { $status != 0 } { |
| perror "src: $errmsg for \"$op\"\n" |
| unresolved "$src: $errmsg for \"$op\"" |
| return |
| } |
| } elseif { [string match "dg-require-*" $cmd] } { |
| warning "lto.exp does not support $cmd in secondary source files" |
| } else { |
| # Ignore unrecognized dg- commands, but warn about them. |
| warning "lto.exp does not support $cmd in secondary source files" |
| } |
| } |
| |
| return ${dg-extra-tool-flags} |
| } |
| |
| # lto-execute -- compile multi-file tests |
| # |
| # SRC1 is the full pathname of the main file of the testcase. |
| # SID identifies a test suite in the names of temporary files. |
| proc lto-execute { src1 sid } { |
| global srcdir tmpdir |
| global lto_option_list |
| global tool |
| global verbose |
| global testcase |
| global gluefile |
| global compiler_conditional_xfail_data |
| global dg-do-what-default |
| global compile_type |
| global dg-extra-ld-options |
| global dg-suppress-ld-options |
| global LTO_OPTIONS |
| global dg-final-code |
| |
| # Get extra flags for this test from the primary source file, and |
| # process other dg-* options that this suite supports. Warn about |
| # unsupported flags. |
| verbose "lto-execute: $src1" 1 |
| set compile_type "run" |
| set dg-do-what [list ${dg-do-what-default} "" P] |
| set extra_flags(0) [lto-get-options-main $src1] |
| set compile_xfail(0) "" |
| |
| # If the main file defines dg-options, those flags are used to |
| # overwrite the default lto_option_list taken from LTO_OPTIONS. |
| if { [string length $extra_flags(0)] > 0 } { |
| set lto_option_list $extra_flags(0) |
| set extra_flags(0) "" |
| } else { |
| set lto_option_list $LTO_OPTIONS |
| } |
| |
| # Set up the names of the other source files. |
| set dir [file dirname $src1] |
| set base [file rootname $src1] |
| set base [string range $base [string length $dir] end] |
| regsub "_0" $base "" base |
| regsub "/" $base "" base |
| set src_list $src1 |
| set i 1 |
| set done 0 |
| while { !$done } { |
| set names [glob -nocomplain -types f -- "${dir}/${base}_${i}.*"] |
| if { [llength ${names}] > 1 } { |
| warning "lto-execute: more than one file matched ${dir}/${base}_${i}.*" |
| } |
| if { [llength ${names}] == 1 } { |
| lappend src_list [lindex ${names} 0] |
| incr i |
| } else { |
| set num_srcs ${i} |
| set done 1 |
| } |
| } |
| |
| # Use the dg-options mechanism to specify extra flags for each |
| # of the secondary files. |
| # The extra flags in each file are used to compile that file, and the |
| # extra flags in *_0.* are also used for linking. |
| verbose "\tsrc_list is: $src_list" |
| for {set i 1} {$i < $num_srcs} {incr i} { |
| set extra_flags($i) [lto-get-options [lindex $src_list $i]] |
| set compile_xfail($i) $compiler_conditional_xfail_data |
| } |
| |
| # Define the names of the object files. |
| set obj_list "" |
| for {set i 0} {$i < $num_srcs} {incr i} { |
| lappend obj_list "${sid}_${base}_${i}.o" |
| } |
| |
| # Get the base name of this test, for use in messages. |
| set testcase [lindex ${src_list} 0] |
| |
| # Remove the $srcdir and $tmpdir prefixes from $src1. (It would |
| # be possible to use "regsub" here, if we were careful to escape |
| # all regular expression characters in $srcdir and $tmpdir, but |
| # that would be more complicated that this approach.) |
| if {[string first "$srcdir/" "${testcase}"] == 0} { |
| set testcase [string range "${testcase}" [string length "$srcdir/"] end] |
| } |
| if {[string first "$tmpdir/" "$testcase"] == 0} { |
| set testcase [string range "$testcase" [string length "$tmpdir/"] end] |
| set testcase "tmpdir-$testcase" |
| } |
| # If we couldn't rip $srcdir out of `src1' then just do the best we can. |
| # The point is to reduce the unnecessary noise in the logs. Don't strip |
| # out too much because different testcases with the same name can confuse |
| # `test-tool'. |
| if [string match "/*" $testcase] then { |
| set testcase "[file tail [file dirname $src1]]/[file tail $src1]" |
| } |
| |
| # Check whether this test is supported for this target. |
| if { [lindex ${dg-do-what} 1 ] == "N" } { |
| unsupported "$testcase" |
| verbose "$testcase not supported on this target, skipping it" 3 |
| return |
| } |
| # Should be safe for non-fortran too but be paranoid.. |
| if {$sid eq "f_lto"} { |
| list-module-names $src_list |
| } |
| regsub "_0.*" $testcase "" testcase |
| |
| # Set up the base name of executable files so they'll be unique. |
| regsub -all "\[./\]" $testcase "-" execbase |
| |
| # Loop through all of the option lists used for this test. |
| set count 0 |
| foreach option $lto_option_list { |
| verbose "Testing $testcase, $option" |
| |
| # There's a unique name for each executable we generate. |
| set execname "${execbase}-${count}1.exe" |
| incr count |
| |
| file_on_host delete $execname |
| |
| # Compile pieces with the compiler under test. |
| set i 0 |
| foreach src $src_list obj $obj_list { |
| lto-obj $src $obj $option $extra_flags($i) $option \ |
| $compile_xfail($i) |
| incr i |
| } |
| |
| # Link (using the compiler under test), run, and clean up tests. |
| if { ![string compare "run" $compile_type] \ |
| || ![string compare "link" $compile_type] } { |
| |
| # Filter out any link options we were asked to suppress. |
| set reduced {} |
| foreach x [split $option] { |
| if {[lsearch ${dg-suppress-ld-options} $x] == -1} { |
| lappend reduced $x |
| } |
| } |
| set filtered [join $reduced " "] |
| |
| lto-link-and-maybe-run \ |
| "[lindex $obj_list 0]-[lindex $obj_list end]" \ |
| $obj_list $execname $filtered ${dg-extra-ld-options} \ |
| $filtered |
| } |
| |
| |
| # Are there any further tests to perform? |
| # Note that if the program has special run-time requirements, running |
| # of the program can be delayed until here. Ditto for other situations. |
| # It would be a bit cumbersome though. |
| |
| if ![string match ${dg-final-code} ""] { |
| regsub -all "\\\\(\[{}\])" ${dg-final-code} "\\1" dg-final-code |
| # Note that the use of `args' here makes this a varargs proc. |
| proc dg-final-proc { args } ${dg-final-code} |
| verbose "Running dg-final tests." 3 |
| verbose "dg-final-proc:\n[info body dg-final-proc]" 4 |
| if [catch "dg-final-proc $src1" errmsg] { |
| perror "$name: error executing dg-final: $errmsg" |
| # ??? The call to unresolved here is necessary to clear |
| # `errcnt'. What we really need is a proc like perror that |
| # doesn't set errcnt. It should also set exit_status to 1. |
| unresolved "$name: error executing dg-final: $errmsg" |
| } |
| } |
| |
| # Clean up object files. |
| set files [glob -nocomplain ${sid}_*.o] |
| if { $files != "" } { |
| foreach objfile $files { |
| if { ![info exists gluefile] || $objfile != $gluefile } { |
| eval "file_on_host delete $objfile" |
| } |
| } |
| } |
| |
| if { ![string compare "run" $compile_type] \ |
| || ![string compare "link" $compile_type] } { |
| file_on_host delete $execname |
| } |
| # Should be safe for non-fortran too but be paranoid.. |
| if {$sid eq "f_lto"} { |
| cleanup-modules "" |
| } |
| } |
| } |
| |
| # Utility for scanning a symbol in the final executable, invoked via dg-final. |
| # Call pass if pattern is present, otherwise fail. |
| # |
| # Argument 0 is the regexp to match. |
| # Argument 1 handles expected failures and the like |
| proc scan-symbol { args } { |
| global nm |
| global base_dir |
| upvar 2 execname execname |
| |
| if { [llength $args] >= 2 } { |
| switch [dg-process-target [lindex $args 1]] { |
| "S" { } |
| "N" { return } |
| "F" { setup_xfail "*-*-*" } |
| "P" { } |
| } |
| } |
| |
| # Find nm like we find g++ in g++.exp. |
| if ![info exists nm] { |
| set nm [findfile $base_dir/../../../binutils/nm \ |
| $base_dir/../../../binutils/nm \ |
| [findfile $base_dir/../../nm $base_dir/../../nm \ |
| [findfile $base_dir/nm $base_dir/nm \ |
| [transform nm]]]] |
| verbose -log "nm is $nm" |
| } |
| |
| set output_file "[glob -nocomplain $execname]" |
| if { $output_file == "" } { |
| fail "scan-symbol $args: dump file does not exist" |
| return |
| } |
| |
| set fd [open "| $nm $output_file" r] |
| set text [read $fd] |
| close $fd |
| |
| if [regexp -- [lindex $args 0] $text] { |
| pass "scan-symbol $args" |
| } else { |
| fail "scan-symbol $args" |
| } |
| } |