| # Copyright (C) 1993-2018 Free Software Foundation, Inc. |
| # |
| # This file is part of the GNU Binutils. |
| # |
| # This file 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. |
| |
| # True if the object format is known to be ELF. |
| # |
| proc is_elf_format {} { |
| # config.sub for these targets curiously transforms a target doublet |
| # ending in -elf to -none. eg. m68hc12-elf to m68hc12-unknown-none |
| # They are always elf. |
| if { [istarget m68hc1*-*] || [istarget xgate-*] } { |
| return 1; |
| } |
| |
| if { ![istarget *-*-eabi*] |
| && ![istarget *-*-elf*] |
| && ![istarget *-*-freebsd*] |
| && ![istarget *-*-gnu*] |
| && ![istarget *-*-irix5*] |
| && ![istarget *-*-irix6*] |
| && ![istarget *-*-linux*] |
| && ![istarget *-*-nacl*] |
| && ![istarget *-*-netbsd*] |
| && ![istarget *-*-openbsd*] |
| && ![istarget *-*-rtems*] |
| && ![istarget *-*-solaris2*] |
| && ![istarget *-*-sysv4*] |
| && ![istarget *-*-unixware*] |
| && ![istarget *-*-wasm32*] |
| && ![istarget avr-*-*] |
| && ![istarget bfin-*-uclinux] |
| && ![istarget frv-*-uclinux*] |
| && ![istarget hppa*64*-*-hpux*] |
| && ![istarget ia64-*-hpux*] |
| && ![istarget sh*-*-uclinux*] |
| && ![istarget tic6x*-*-uclinux*] } { |
| return 0 |
| } |
| |
| if { [istarget *-*-linux*aout*] |
| || [istarget *-*-linux*ecoff*] |
| || [istarget *-*-linux*oldld*] |
| || [istarget *-*-rtemscoff*] |
| || [istarget h8500-*-rtems*] |
| || [istarget i?86-*-freebsd\[12\].*] |
| || [istarget i960-*-rtems*] } { |
| return 0 |
| } |
| |
| if { ![istarget *-*-netbsdelf*] |
| && ( [istarget *-*-netbsd*aout*] |
| || [istarget *-*-netbsdpe*] |
| || [istarget arm*-*-netbsd*] |
| || [istarget sparc-*-netbsd*] |
| || [istarget i*86-*-netbsd*] |
| || [istarget m68*-*-netbsd*] |
| || [istarget vax-*-netbsd*] |
| || [istarget ns32k-*-netbsd*]) } { |
| return 0 |
| } |
| |
| if { [istarget arm-*-openbsd*] |
| || [istarget i386-*-openbsd\[0-2\].*] |
| || [istarget i386-*-openbsd3.\[0-2\]] |
| || [istarget m68*-*-openbsd*] |
| || [istarget ns32k-*-openbsd*] |
| || [istarget sparc-*-openbsd\[0-2\].*] |
| || [istarget sparc-*-openbsd3.\[0-1\]] |
| || [istarget vax-*-openbsd*] } { |
| return 0 |
| } |
| |
| return 1 |
| } |
| |
| # True if the object format is known to be a.out. |
| # |
| proc is_aout_format {} { |
| if { [istarget *-*-netbsdelf] |
| || [istarget sparc64-*-netbsd*] |
| || [istarget sparc64-*-openbsd*] } { |
| return 0 |
| } |
| if { [istarget *-*-*\[ab\]out*] |
| || [istarget *-*-linux*oldld*] |
| || [istarget *-*-bsd*] |
| || [istarget *-*-msdos*] |
| || [istarget arm-*-netbsd*] |
| || [istarget arm-*-openbsd*] |
| || [istarget arm-*-riscix*] |
| || [istarget i?86-*-freebsd\[12\].*] |
| || [istarget i?86-*-netbsd*] |
| || [istarget i?86-*-openbsd\[0-2\]*] |
| || [istarget i?86-*-openbsd3.\[0-2\]*] |
| || [istarget i?86-*-vsta] |
| || [istarget i?86-*-mach*] |
| || [istarget m68*-*-netbsd*] |
| || [istarget m68*-*-openbsd*] |
| || [istarget ns32k-*-*] |
| || [istarget pdp11-*-*] |
| || [istarget sparc*-*-sunos4*] |
| || [istarget sparc*-*-netbsd*] |
| || [istarget sparc*-*-openbsd\[0-2\]*] |
| || [istarget sparc*-*-openbsd3.\[0-1\]*] |
| || [istarget sparc*-fujitsu-none] |
| || [istarget vax-dec-ultrix*] |
| || [istarget vax-*-netbsd] } { |
| return 1 |
| } |
| return 0 |
| } |
| |
| # True if the object format is known to be PE COFF. |
| # |
| proc is_pecoff_format {} { |
| if { ![istarget *-*-mingw*] |
| && ![istarget *-*-cygwin*] |
| && ![istarget *-*-cegcc*] |
| && ![istarget *-*-pe*] } { |
| return 0 |
| } |
| |
| return 1 |
| } |
| |
| # True if the object format is known to be 64-bit ELF. |
| # |
| proc is_elf64 { binary_file } { |
| global READELF |
| global READELFFLAGS |
| |
| set readelf_size "" |
| catch "exec $READELF $READELFFLAGS -h $binary_file > readelf.out" got |
| |
| if ![string match "" $got] then { |
| return 0 |
| } |
| |
| if { ![regexp "\n\[ \]*Class:\[ \]*ELF(\[0-9\]+)\n" \ |
| [file_contents readelf.out] nil readelf_size] } { |
| return 0 |
| } |
| |
| if { $readelf_size == "64" } { |
| return 1 |
| } |
| |
| return 0 |
| } |
| |
| # True if the ELF target supports STB_GNU_UNIQUE with the ELF header's |
| # OSABI field set to ELFOSABI_GNU. |
| # |
| # This generally depends on the target OS only, however there are a |
| # number of exceptions for bare metal targets as follows. The MSP430 |
| # and Visium targets set OSABI to ELFOSABI_STANDALONE and cannot |
| # support STB_GNU_UNIQUE. Likewise non-EABI ARM targets set OSABI to |
| # ELFOSABI_ARM, and TI C6X targets to ELFOSABI_C6000_*. Finally |
| # rather than `bfd_elf_final_link' AM33/2.0, D30V, DLX, i960, and |
| # picoJava targets use `_bfd_generic_final_link', which does not |
| # support STB_GNU_UNIQUE symbol binding causing assertion failures. |
| # |
| proc supports_gnu_unique {} { |
| if { [istarget *-*-gnu*] |
| || [istarget *-*-linux*] |
| || [istarget *-*-nacl*] } { |
| return 1 |
| } |
| if { [istarget "arm*-*-*eabi*"] } { |
| return 1 |
| } |
| if { [istarget "wasm32*-*-*"] } { |
| return 1 |
| } |
| if { ![istarget "*-*-elf*"] } { |
| return 0 |
| } |
| if { [istarget "arm*-*-*"] |
| || [istarget "msp430-*-*"] |
| || [istarget "tic6x-*-*"] |
| || [istarget "visium-*-*"] } { |
| return 0 |
| } |
| if { [istarget "am33_2.0-*-*"] |
| || [istarget "d30v-*-*"] |
| || [istarget "dlx-*-*"] |
| || [istarget "i960-*-*"] |
| || [istarget "pj*-*-*"] } { |
| return 0 |
| } |
| return 1 |
| } |
| |
| # True for targets that do not sort .symtab as per the ELF standard. |
| # ie. any that have mips_elf32_be_vec, mips_elf32_le_vec, |
| # mips_elf32_n_be_vec or mips_elf32_n_le_vec as the primary bfd target |
| # vector in config.bfd. When syncing with config.bfd, don't forget that |
| # earlier case-matches trump later ones. |
| proc is_bad_symtab {} { |
| if { ![istarget "mips*-*-*"] } { |
| return 0; |
| } |
| if { [istarget "*-*-chorus*"] |
| || [istarget "*-*-irix5*"] |
| || [istarget "*-*-irix6*"] |
| || [istarget "*-*-none"] |
| || [istarget "*-*-rtems*"] |
| || [istarget "*-*-windiss"] } { |
| return 1; |
| } |
| if { [istarget "*-*-elf*"] |
| && ![istarget "*-sde-*"] |
| && ![istarget "*-mti-*"] |
| && ![istarget "*-img-*"] } { |
| return 1; |
| } |
| if { [istarget "*-*-openbsd*"] |
| && ![istarget "mips64*-*-*"] } { |
| return 1; |
| } |
| return 0; |
| } |
| |
| # Compare two files line-by-line. FILE_1 is the actual output and FILE_2 |
| # is the expected output. Ignore blank lines in either file. |
| # |
| # FILE_2 is a series of regexps, comments and # directives. The directives |
| # are: |
| # |
| # #pass |
| # Treat the test as a PASS if everything up till this point has |
| # matched. Ignore any remaining lines in either FILE_1 or FILE_2. |
| # |
| # #failif |
| # Reverse the sense of the test: expect differences to exist. |
| # |
| # #... |
| # REGEXP |
| # Skip all lines in FILE_1 until the first that matches REGEXP. |
| # |
| # Other # lines are comments. Regexp lines starting with the `!' character |
| # specify inverse matching (use `\!' for literal matching against a leading |
| # `!'). Skip empty lines in both files. |
| # |
| # The first optional argument is a list of regexp substitutions of the form: |
| # |
| # EXP1 SUBSPEC1 EXP2 SUBSPEC2 ... |
| # |
| # This tells the function to apply each regexp substitution EXPi->SUBSPECi |
| # in order to every line of FILE_2. |
| # |
| # Return nonzero if differences exist. |
| proc regexp_diff { file_1 file_2 args } { |
| set eof -1 |
| set end_1 0 |
| set end_2 0 |
| set differences 0 |
| set diff_pass 0 |
| set fail_if_match 0 |
| set ref_subst "" |
| if { [llength $args] > 0 } { |
| set ref_subst [lindex $args 0] |
| } |
| if { [llength $args] > 1 } { |
| perror "Too many arguments to regexp_diff" |
| return 1 |
| } |
| |
| if [file exists $file_1] then { |
| set file_a [open $file_1 r] |
| } else { |
| perror "$file_1 doesn't exist" |
| return 1 |
| } |
| |
| if [file exists $file_2] then { |
| set file_b [open $file_2 r] |
| } else { |
| perror "$file_2 doesn't exist" |
| close $file_a |
| return 1 |
| } |
| |
| verbose " Regexp-diff'ing: $file_1 $file_2" 2 |
| |
| while { 1 } { |
| set line_a "" |
| set line_b "" |
| while { [string length $line_a] == 0 } { |
| # Ignore blank line in FILE_1. |
| if { [gets $file_a line_a] == $eof } { |
| set end_1 1 |
| break |
| } |
| } |
| while { [string length $line_b] == 0 || [string match "#*" $line_b] } { |
| if { [string match "#pass" $line_b] } { |
| set end_2 1 |
| set diff_pass 1 |
| break |
| } elseif { [string match "#failif" $line_b] } { |
| send_log "fail if no difference\n" |
| verbose "fail if no difference" 3 |
| set fail_if_match 1 |
| } elseif { [string match "#..." $line_b] } { |
| if { [gets $file_b line_b] == $eof } { |
| set end_2 1 |
| set diff_pass 1 |
| break |
| } |
| set negated [expr { [string index $line_b 0] == "!" }] |
| set line_bx [string range $line_b $negated end] |
| set n [expr { $negated ? "! " : "" }] |
| # Substitute on the reference. |
| foreach {name value} $ref_subst { |
| regsub -- $name $line_bx $value line_bx |
| } |
| verbose "looking for $n\"^$line_bx$\"" 3 |
| while { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } { |
| verbose "skipping \"$line_a\"" 3 |
| if { [gets $file_a line_a] == $eof } { |
| set end_1 1 |
| break |
| } |
| } |
| break |
| } |
| if { [gets $file_b line_b] == $eof } { |
| set end_2 1 |
| break |
| } |
| } |
| |
| if { $diff_pass } { |
| break |
| } elseif { $end_1 && $end_2 } { |
| break |
| } elseif { $end_1 } { |
| send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n" |
| verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3 |
| set differences 1 |
| break |
| } elseif { $end_2 } { |
| send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" |
| verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3 |
| set differences 1 |
| break |
| } else { |
| set negated [expr { [string index $line_b 0] == "!" }] |
| set line_bx [string range $line_b $negated end] |
| set n [expr { $negated ? "! " : "" }] |
| set s [expr { $negated ? " " : "" }] |
| # Substitute on the reference. |
| foreach {name value} $ref_subst { |
| regsub -- $name $line_bx $value line_bx |
| } |
| verbose "regexp $n\"^$line_bx$\"\nline \"$line_a\"" 3 |
| if { [expr [regexp "^$line_bx$" "$line_a"] == $negated] } { |
| send_log "regexp_diff match failure\n" |
| send_log "regexp $n\"^$line_bx$\"\nline $s\"$line_a\"\n" |
| verbose "regexp_diff match failure\n" 3 |
| set differences 1 |
| } |
| } |
| } |
| |
| if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } { |
| send_log "$file_1 and $file_2 are different lengths\n" |
| verbose "$file_1 and $file_2 are different lengths" 3 |
| set differences 1 |
| } |
| |
| if { $fail_if_match } { |
| if { $differences == 0 } { |
| set differences 1 |
| } else { |
| set differences 0 |
| } |
| } |
| |
| close $file_a |
| close $file_b |
| |
| return $differences |
| } |