cce0e92333
gdb/ChangeLog: Extend "skip" command to support -file, -gfile, -function, -rfunction. * NEWS: Document new features. * skip.c: #include "fnmatch.h", "gdb_regex.h". (skiplist_entry) <file>: Renamed from filename. <function>: Renamed from function_name. <file_is_glob, function_is_regexp>: New members. <compiled_function_regexp, compiled_function_regexp_is_valid>: New members. (make_skip_entry): New function. (free_skiplist_entry, free_skiplist_entry_cleanup): New functions. (make_free_skiplist_entry_cleanup): New function. (skip_file_command): Update. (skip_function, skip_function_command): Update. (compile_skip_regexp): New functions. (skip_command): Add support for new options. (skip_info): Update. (skip_file_p, skip_gfile_p): New functions. (skip_function_p, skip_rfunction_p): New functions. (function_name_is_marked_for_skip): Update and simplify. (_initialize_step_skip): Update. * symtab.c: #include "fnmatch.h". (compare_glob_filenames_for_search): New function. * symtab.h (compare_glob_filenames_for_search): Declare. * utils.c (count_path_elements): New function. (strip_leading_path_elements): New function. * utils.h (count_path_elements): Declare. (strip_leading_path_elements): Declare. gdb/doc/ChangeLog: * gdb.texinfo (Skipping Over Functions and Files): Document new options to "skip" command. Update docs of output of "info skip". gdb/testsuite/ChangeLog: * gdb.base/skip.c (test_skip): New function. (end_test_skip_file_and_function): New function. (test_skip_file_and_function): New function. * gdb.base/skip1.c (test_skip): New function. (skip1_test_skip_file_and_function): New function. * gdb.base/skip.exp: Add tests for new skip options. * gdb.base/skip-solib.exp: Update expected output. * gdb.perf/skip-command.cc: New file. * gdb.perf/skip-command.exp: New file. * gdb.perf/skip-command.py: New file.
120 lines
3.6 KiB
Text
120 lines
3.6 KiB
Text
# Copyright 2011-2016 Free Software Foundation, Inc.
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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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# 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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#
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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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file was written by Justin Lebar. (justin.lebar@gmail.com)
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#
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# Tests skipping shared libraries.
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#
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# This only works on GNU/Linux.
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if { ![isnative] || [is_remote host] || ![istarget *-linux*] || [skip_shlib_tests]} {
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continue
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}
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set test "skip-solib"
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set srcfile_main "${test}-main.c"
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set executable_main ${test}-test
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set binfile_main [standard_output_file ${executable_main}]
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set srcfile_lib "${test}-lib.c"
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set libname "lib${test}"
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set binfile_lib [standard_output_file ${libname}.so]
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#
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# Compile our program under test. The main program references a shared library
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# libskip-solib.so, which contains two functions, square(), which is
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# referenced by the main program, and multiply(), which is not referenced by
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# the main program.
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#
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if {[gdb_compile_shlib ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} [list debug additional_flags=-fPIC -Wl,-soname,${libname}.so]] != ""} {
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return -1
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}
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if {[gdb_compile "${srcdir}/${subdir}/${srcfile_main}" "${binfile_main}.o" object debug] != ""} {
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return -1
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}
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set testobjdir [standard_output_file {}]
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if {[gdb_compile "${binfile_main}.o" "${binfile_main}" executable \
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[list debug "additional_flags=-L$testobjdir -l${test} \
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-Wl,-rpath=$testobjdir"]] != ""} {
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return -1
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}
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clean_restart ${executable_main}
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#
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# At this point, if we try to skip the file ${srcfile_lib} or the function
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# multiply(), we should get a prompt asking us if we want to enable the
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# skip entry pending a shared library load.
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#
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gdb_test "skip file ${srcfile_lib}" \
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"File ${srcfile_lib} will be skipped when stepping." \
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"ignoring file in solib" \
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"No source file named ${srcfile_lib}.*
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Ignore file pending future shared library load.*" \
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"y"
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#
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# Checkinfo skip list.
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#
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gdb_test "info skip" \
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"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
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1\\s+y\\s+n\\s+${srcfile_lib}\\s+n\\s+<none>\\s*" \
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"info skip with pending file"
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if ![runto_main] { fail "skip tests suppressed" }
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#
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# We shouldn't step into square(), since we skipped skip-solib-lib.c.
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#
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gdb_test "step" ""
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gdb_test "bt" "#0\\s+main.*" "step after ignoring solib file."
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#
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# Now restart gdb and testing ignoring of a function inside a solib.
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#
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clean_restart ${executable_main}
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gdb_test "skip function multiply" \
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"Function multiply will be skipped when stepping\\." \
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"ignoring function in solib" \
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"No function found named multiply..*
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Ignore function pending future shared library load.*" \
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"y"
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if ![runto_main] { fail "skip tests suppressed" }
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#
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# Our first step should take us into square.
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#
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gdb_test "step" "square.*"
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#
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# Now our entry should no longer be pending.
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#
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gdb_test "info skip" \
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"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
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1\\s+y\\s+n\\s+<none>\\s+n\\s+multiply\\s*" \
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"info skip for function multiply"
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#
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# This step shouldn't go into multiply -- we should skip it and go on to the
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# last line of square.
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#
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gdb_test "step" ""
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gdb_test "bt" "#0\\s+square.*"
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