# Copyright (C) 2010-2026 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 this program. If not, see . # This file is part of the GDB testsuite. It tests automagic loading of # scripts specified in the .debug_gdb_scripts section. require is_elf_target require allow_python_tests standard_testfile # Make this available to gdb before the program starts, it is # automagically loaded by gdb. set remote_python_file [gdb_remote_download host \ ${srcdir}/${subdir}/${testfile}.py] set quoted_name "\"$remote_python_file\"" # Helper proc to 'set auto-load safe-path ...'. Build the new path value by # joining ARGS together with an appropriate path separator character. proc set_auto_load_safe_path { args } { if {[ishost *-*-mingw*]} { set remote_pathsep ";" } else { set remote_pathsep ":" } set safe_path [join $args $remote_pathsep] gdb_test_no_output "set auto-load safe-path $safe_path" \ "set auto-load safe-path" } foreach_with_prefix variant {plain compressed} { set the_testfile $testfile-$variant set the_binfile [standard_output_file $the_testfile] set flags [list debug \ additional_flags=-I${srcdir}/../../include \ additional_flags=-DSCRIPT_FILE=$quoted_name] if {$variant == "compressed"} { lappend flags additional_flags=-Wa,--compress-debug-sections=zlib-gabi lappend flags additional_flags=-Wl,--compress-debug-sections=zlib-gabi } if {[build_executable "build executable" $the_testfile $srcfile $flags] == -1} { return } if {$variant == "compressed"} { set objdump_program [gdb_find_objdump] set debug_sect [exec $objdump_program -j .debug_gdb_scripts -s "$the_binfile"] set debug_sect_decompressed [exec $objdump_program -j .debug_gdb_scripts \ -s "$the_binfile" --decompress] if {$debug_sect == $debug_sect_decompressed} { fail ".debug_gdb_scripts in $the_binfile is not compressed" } } clean_restart # Try first with a restrictive safe-path. gdb_test_no_output "set auto-load safe-path /restricted" \ "set restricted auto-load safe-path" gdb_load ${the_binfile} # Verify gdb did not load the scripts. gdb_test_multiple "info auto-load python-scripts" "verify scripts not loaded" { -re -wrap "Yes.*${testfile}.py.*Yes.*inlined-script.*" { fail $gdb_test_name } -re -wrap "No.*${testfile}.py.*No.*inlined-script.*" { pass $gdb_test_name } } # Try again with a working safe-path. clean_restart # Get the name of the binfile on the host; on a remote host this means # stripping off any directory prefix. if {[is_remote host]} { set remote_binfile [file tail ${the_binfile}] } else { set remote_binfile ${the_binfile} } set_auto_load_safe_path $remote_python_file $remote_binfile gdb_load ${the_binfile} # Verify gdb loaded each script and they appear once in the list. gdb_test_multiple "info auto-load python-scripts" "verify scripts loaded" { -re -wrap "Yes.*${testfile}.py.*Yes.*inlined-script.*" { pass $gdb_test_name } -re -wrap "${testfile}.py.*${testfile}.py.*" { fail $gdb_test_name } -re -wrap "inlined-script.*inlined-script.*" { fail $gdb_test_name } } # Again, with a regexp this time. gdb_test "info auto-load python-scripts ${testfile}" "Yes.*${testfile}.py.*" # Again, with a regexp that matches no scripts. gdb_test "info auto-load python-scripts no-script-matches-this" \ "No auto-load scripts matching no-script-matches-this." if {![runto_main]} { return } gdb_test "b [gdb_get_line_number {break to inspect}]" \ ".*Breakpoint.*" gdb_test "continue" ".*Breakpoint.*" gdb_test "print ss" " = a=<1> b=<2>" gdb_test "test-cmd 1 2 3" "test-cmd output, arg = 1 2 3" # eu-strip creates NOBITS .debug_gdb_scripts sections in the debug # files, and leaves a useful copy of .debug_gdb_scripts in the # executable. Make sure the NOBITS copy in the separate debug file is # ignored silently. with_test_prefix "sepdebug from eu-strip" { clean_restart set eu_strip_binfile [standard_output_file ${the_testfile}-eu-strip] file copy -force $the_binfile $eu_strip_binfile set result [catch {exec eu-strip -g -f ${eu_strip_binfile}.debug ${eu_strip_binfile}} output] verbose "result is $result" verbose "output is $output" if {$result != 0 || $output != ""} { unsupported "cannot produce separate debug info files" return } set_auto_load_safe_path $remote_python_file $eu_strip_binfile gdb_test_multiple "file $eu_strip_binfile" "load sepdebug" { -re -wrap "\r\nwarning: Invalid entry in \\.debug_gdb_scripts section.*" { fail $gdb_test_name } -re -wrap "" { pass $gdb_test_name } } # Verify gdb loaded each script and they appear once in the list. gdb_test_multiple "info auto-load python-scripts" "verify scripts loaded" { -re -wrap "Yes.*${testfile}.py.*Yes.*inlined-script.*" { pass $gdb_test_name } -re -wrap "${testfile}.py.*${testfile}.py.*" { fail $gdb_test_name } -re -wrap "inlined-script.*inlined-script.*" { fail $gdb_test_name } } # Again, with a regexp this time. gdb_test "info auto-load python-scripts ${testfile}" "Yes.*${testfile}.py.*" # Again, with a regexp that matches no scripts. gdb_test "info auto-load python-scripts no-script-matches-this" \ "No auto-load scripts matching no-script-matches-this." } # Unlike eu-strip, objcopy moves the .debug_gdb_scripts into the .debug # file, removing it from the executable. GDB should still load the # script though, just when it loads the symbol file, not the main # executable. with_test_prefix "sepdebug from objcopy" { clean_restart set objcopy_testfile ${the_testfile}-objcopy set objcopy_binfile [standard_output_file $objcopy_testfile] file copy -force $the_binfile $objcopy_binfile if { [gdb_gnu_strip_debug $objcopy_binfile] != 0 } { fail "strip $objcopy_testfile debuginfo" return } # Add the directory containing OBJCOPY_BINFILE because the scripts # section will be auto-loaded from the separate .debug file (not the # main executable), which resides alongside it. set_auto_load_safe_path $remote_python_file \ [file dirname ${objcopy_binfile}] gdb_load $objcopy_binfile # Verify gdb loaded each script and they appear once in the list. gdb_test_multiple "info auto-load python-scripts" "verify scripts loaded" { -re -wrap "Yes.*${testfile}.py.*Yes.*inlined-script.*" { pass $gdb_test_name } -re -wrap "${testfile}.py.*${testfile}.py.*" { fail $gdb_test_name } -re -wrap "inlined-script.*inlined-script.*" { fail $gdb_test_name } } # Again, with a regexp this time. gdb_test "info auto-load python-scripts ${testfile}" "Yes.*${testfile}.py.*" # Again, with a regexp that matches no scripts. gdb_test "info auto-load python-scripts no-script-matches-this" \ "No auto-load scripts matching no-script-matches-this." } }