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jeremybenn |
# Copyright (C) 2009, 2010 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 .
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# This file is part of the GDB testsuite. It tests the mechanism
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# of exposing types to Python.
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if $tracelevel then {
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strace $tracelevel
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}
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set testfile "py-type"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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# Build inferior to language specification.
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proc build_inferior {lang} {
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global srcdir subdir srcfile binfile testfile hex
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "debug $lang"] != "" } {
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untested "Couldn't compile ${srcfile} in $lang mode"
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return -1
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}
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}
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# Restart GDB, set breakpoint and run to that breakpoint.
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proc restart_gdb {bp} {
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global srcdir subdir srcfile binfile testfile hex
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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if ![runto_main ] then {
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perror "couldn't run to breakpoint"
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return
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}
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gdb_breakpoint [gdb_get_line_number $bp]
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gdb_continue_to_breakpoint $bp
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}
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# Run a command in GDB, and report a failure if a Python exception is thrown.
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# If report_pass is true, report a pass if no exception is thrown.
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proc gdb_py_test_silent_cmd {cmd name report_pass} {
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global gdb_prompt
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gdb_test_multiple $cmd $name {
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-re "Traceback.*$gdb_prompt $" { fail $name }
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-re "$gdb_prompt $" { if $report_pass { pass $name } }
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}
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}
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proc test_fields {lang} {
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global gdb_prompt
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if {$lang == "c++"} {
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# Test usage with a class
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gdb_py_test_silent_cmd "print c" "print value" 1
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gdb_py_test_silent_cmd "python c = gdb.history (0)" "get value from history" 1
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gdb_py_test_silent_cmd "python fields = c.type.fields()" "get fields" 1
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gdb_test "python print len(fields)" "2" "Check number of fields"
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gdb_test "python print fields\[0\].name" "c" "Check class field c name"
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gdb_test "python print fields\[1\].name" "d" "Check class field d name"
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}
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# Test normal fields usage in structs.
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gdb_py_test_silent_cmd "print st" "print value" 1
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gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
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gdb_py_test_silent_cmd "python fields = st.type.fields()" "get fields" 1
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gdb_test "python print len(fields)" "2" "Check number of fields"
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gdb_test "python print fields\[0\].name" "a" "Check structure field a name"
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gdb_test "python print fields\[1\].name" "b" "Check structure field b name"
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# Test regression PR python/10805
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gdb_py_test_silent_cmd "print ar" "print value" 1
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gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1
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gdb_test "python fields = ar.type.fields()"
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gdb_test "python print len(fields)" "1" "Check the number of fields"
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gdb_test "python print fields\[0\].type" "" "Check array field type"
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}
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proc test_base_class {} {
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gdb_py_test_silent_cmd "print d" "print value" 1
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gdb_py_test_silent_cmd "python d = gdb.history (0)" "get value from history" 1
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gdb_py_test_silent_cmd "python fields = d.type.fields()" "get value from history" 1
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gdb_test "python print len(fields)" "3" "Check the number of fields"
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gdb_test "python print fields\[0\].is_base_class" "True" "Check base class"
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gdb_test "python print fields\[1\].is_base_class" "False" "Check base class"
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}
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proc test_range {} {
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# Test a valid range request.
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gdb_py_test_silent_cmd "print ar" "print value" 1
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gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1
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gdb_test "python print len(ar.type.range())" "2" "Check correct tuple length"
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gdb_test "python print ar.type.range()\[0\]" "0" "Check low range"
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gdb_test "python print ar.type.range()\[1\]" "1" "Check high range"
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# Test a range request on a ranged type.
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gdb_py_test_silent_cmd "print ar" "print value" 1
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gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1
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gdb_py_test_silent_cmd "python fields = ar.type.fields()" "get fields" 1
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gdb_test "python print fields\[0\].type.range()\[0\]" "0" "Check range type low bound"
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gdb_test "python print fields\[0\].type.range()\[1\]" "1" "Check range type high bound"
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# Test where a range does not exist.
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gdb_py_test_silent_cmd "print st" "print value" 1
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gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
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gdb_test "python print st.type.range()" "RuntimeError: This type does not have a range.*" "Check range for non ranged type."
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}
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# Perform C Tests.
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build_inferior "c"
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restart_gdb "break to inspect struct and array."
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gdb_test_multiple "python print 'hello, world!'" "verify python support" {
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-re "not supported.*$gdb_prompt $" {
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unsupported "python support is disabled"
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return -1
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}
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-re "$gdb_prompt $" {}
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}
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test_fields "c"
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# Perform C++ Tests.
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build_inferior "c++"
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restart_gdb "break to inspect struct and array."
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test_fields "c++"
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test_base_class
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test_range
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