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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
276 lines
9.2 KiB
Plaintext
276 lines
9.2 KiB
Plaintext
# Copyright 2017-2021 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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# Tests for function local static variables, both C and C++.
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# This file is part of the gdb testsuite.
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standard_testfile .c
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# A few expected errors.
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set syntax_re "A syntax error in expression, near.*"
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set cannot_resolve_re "Cannot resolve method S::method to any overloaded instance"
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# Build an "Cannot resolve method ..." expected error string for
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# method METH.
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#
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proc cannot_resolve {meth} {
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return "Cannot resolve method $meth to any overloaded instance"
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}
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# A list of scopes that have the static variables that we want to
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# print. Each entry has, in order, the scope/function name, and the
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# prefix used by the static variables. The prefix exists both to make
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# it easier to debug the test if something goes wrong, and, to make
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# sure that printing the static local of one method overload doesn't
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# find the variables of the wrong overload.
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#
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# While at it, we also try printing each scope without the static
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# local, to check that the parse copes with cv overloads without
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# quoting. That's what the third and forth columns are for. Note
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# that printing "func()" is different from "func(void)". The former
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# is an inferior function call, while the latter is a reference to the
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# function.
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#SCOPE #PREFIX #PRINT-SCOPE-QUOTED
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#PRINT-SCOPE-UNQUOTED (opt)
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set cxx_scopes_list {
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{"S::method()" "S_M" {= \\{void \\(S \\* const\\)\\} $hex <S::method\\(\\)>}
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{[cannot_resolve "S::method"]}}
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{"S::method() const" "S_M_C" {= \\{void \\(const S \\* const\\)\\} $hex <S::method\\(\\) const>}
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$syntax_re}
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{"S::method() volatile" "S_M_V" {= \\{void \\(volatile S \\* const\\)\\} $hex <S::method\\(\\) volatile>}
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$syntax_re}
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{"S::method() const volatile" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}
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$syntax_re}
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{"S::method() volatile const" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}
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$syntax_re}
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{"S::method(void)" "S_M" {= \\{void \\(S \\* const\\)\\} $hex <S::method\\(\\)>}}
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{"S::method(void) const" "S_M_C" {= \\{void \\(const S \\* const\\)\\} $hex <S::method\\(\\) const>}}
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{"S::method(void) volatile" "S_M_V" {= \\{void \\(volatile S \\* const\\)\\} $hex <S::method\\(\\) volatile>}}
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{"S::method(void) const volatile" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}}
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{"S::method(void) volatile const" "S_M_CV" {= \\{void \\(const volatile S \\* const\\)\\} $hex <S::method\\(\\) const volatile>}}
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{"S::static_method()" "S_SM" {= \\{void \\(void\\)\\} $hex <S::static_method\\(\\)>}
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"void"}
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{"S::static_method(void)" "S_SM" {= \\{void \\(void\\)\\} $hex <S::static_method\\(\\)>}}
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{"S::inline_method()" "S_IM" {= \\{void \\(S \\* const\\)\\} $hex <S::inline_method\\(\\)>}
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{[cannot_resolve "S::inline_method"]}}
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{"S::inline_method(void)" "S_IM" {= \\{void \\(S \\* const\\)\\} $hex <S::inline_method\\(\\)>}}
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{"S::static_inline_method()" "S_SIM" {= \\{void \\(void\\)\\} $hex <S::static_inline_method\\(\\)>}
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"void"}
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{"S::static_inline_method(void)" "S_SIM" {= \\{void \\(void\\)\\} $hex <S::static_inline_method\\(\\)>}}
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{"S2<int>::method()" "S2_M" {= \\{void \\(S2<int> \\* const\\)\\} $hex <S2<int>::method\\(\\)>}
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{[cannot_resolve "S2<int>::method"]}}
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{"S2<int>::static_method()" "S2_SM" {= \\{void \\(void\\)\\} $hex <S2<int>::static_method\\(\\)>}
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"void"}
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{"S2<int>::inline_method()" "S2_IM" {= \\{void \\(S2<int> \\* const\\)\\} $hex <S2<int>::inline_method\\(\\)>}
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{[cannot_resolve "S2<int>::inline_method"]}}
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{"S2<int>::static_inline_method()" "S2_SIM" {= \\{void \\(void\\)\\} $hex <S2<int>::static_inline_method\\(\\)>}
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"void"}
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{"free_func" "FF" {= \\{void \\(void\\)\\} $hex <free_func\\(\\)>}}
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{"free_func()" "FF" {= \\{void \\(void\\)\\} $hex <free_func\\(\\)>}
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"void"}
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{"free_func(void)" "FF" {= \\{void \\(void\\)\\} $hex <free_func\\(\\)>}}
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{"free_inline_func()" "FIF" {= \\{void \\(void\\)\\} $hex <free_inline_func\\(\\)>}
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"void"}
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{"free_inline_func(void)" "FIF" {= \\{void \\(void\\)\\} $hex <free_inline_func\\(\\)>}}
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}
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set c_scopes_list {
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{"free_func" "FF" {= \\{void \\(void\\)\\} $hex <free_func>}}
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{"free_inline_func" "FIF" {= \\{void \\(void\\)\\} $hex <free_inline_func>}}
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}
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# A list of all the static varibles defined in each scope. The first
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# column is the name of the variable, without the prefix, and the
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# second column is a regex matching what printing the variable should
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# output.
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#VAR #PRINT
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set vars_list {
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{"s_var_int" " = 4"}
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{"s_var_float" " = 3.14.*"}
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{"s_var_aggregate" " = \\{i1 = 1, i2 = 2, i3 = 3\\}"}
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}
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proc do_test {lang} {
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global c_scopes_list
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global cxx_scopes_list
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global vars_list
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global srcfile testfile
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global gdb_prompt
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set options {debug}
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if {$lang == "c++"} {
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if { [skip_cplus_tests] } {
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return
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}
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lappend options $lang
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set src ${srcfile}c
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} else {
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set src ${srcfile}
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}
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if {[prepare_for_testing "failed to prepare" $testfile-$lang \
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[list $src] $options]} {
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return -1
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}
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if ![runto_main] then {
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fail "couldn't run to breakpoint"
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return
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}
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gdb_test "show language" " currently [string_to_regexp $lang]\"\\."
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if {$lang == "c"} {
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set scopes_list $c_scopes_list
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} else {
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set scopes_list $cxx_scopes_list
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}
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# Print each scope/function using these syntaxes:
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#
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# "(gdb) p 'S::method() const'" # quoted
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# "(gdb) p S::method() const" # unquoted
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#
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foreach scope_line $scopes_list {
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set scope [lindex $scope_line 0]
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set print_quoted_re [lindex $scope_line 2]
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set print_quoted_re [uplevel 1 "subst -nobackslashes -nocommands \"$print_quoted_re\""]
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set print_unquoted_re [lindex $scope_line 3]
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set print_unquoted_re [uplevel 1 "subst -nobackslashes -nocommands \"$print_unquoted_re\""]
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gdb_test "print '${scope}'" $print_quoted_re
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if {$print_unquoted_re != ""} {
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gdb_test "print ${scope}" $print_unquoted_re
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} else {
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gdb_test "print ${scope}" $print_quoted_re
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}
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}
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# Print each variable using these syntaxes:
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#
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# 'func()'::var
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# func()::var
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# 'func()::var'
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#
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# In C++, the latter case makes sure that symbol lookup finds the
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# debug symbol instead of the minimal symbol with that exact same
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# name.
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foreach scope_line $scopes_list {
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set scope [lindex $scope_line 0]
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set var_prefix [lindex $scope_line 1]
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foreach var_line $vars_list {
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set var [lindex $var_line 0]
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set print_re [lindex $var_line 1]
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# The gcc PR debug/55541 has the effect that local statics are
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# wrapped in a DW_TAG_lexical_block, making them unaddressable from
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# outside the function. XFAIL the relevant tests.
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set test "print '${scope}'::${var_prefix}_${var}"
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set xfail_pattern "No symbol \".*\" in specified context."
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gdb_test_multiple $test $test {
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-re "\[\r\n\]*(?:$print_re)\[\r\n\]+$gdb_prompt $" {
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pass $test
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}
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-re "\[\r\n\]*(?:$xfail_pattern)\[\r\n\]+$gdb_prompt $" {
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xfail $test
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}
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}
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set test "print ${scope}::${var_prefix}_${var}"
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gdb_test_multiple $test $test {
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-re "\[\r\n\]*(?:$print_re)\[\r\n\]+$gdb_prompt $" {
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pass $test
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}
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-re "\[\r\n\]*(?:$xfail_pattern)\[\r\n\]+$gdb_prompt $" {
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xfail $test
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}
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}
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set sym "${scope}::${var_prefix}_${var}"
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if {$lang == "c++"} {
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set test "print '${sym}'"
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set xfail_pattern "No symbol .* in current context."
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set xfail_pattern2 "has unknown type; cast it to its declared type"
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gdb_test_multiple $test $test {
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-re "\[\r\n\]*(?:$print_re)\[\r\n\]+$gdb_prompt $" {
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pass $test
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}
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-re "\[\r\n\]*(?:$xfail_pattern)\[\r\n\]+$gdb_prompt $" {
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xfail $test
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}
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-re "\[\r\n\]*(?:$xfail_pattern2)\[\r\n\]+$gdb_prompt $" {
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xfail $test
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}
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}
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} else {
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gdb_test "print '${sym}'" "No symbol \"$sym\" in current context\\."
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}
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}
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}
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# Now run to each function, and print its variables using the
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# localy-visible name.
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foreach scope_line $scopes_list {
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set scope [lindex $scope_line 0]
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set var_prefix [lindex $scope_line 1]
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with_test_prefix "$scope" {
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delete_breakpoints
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gdb_breakpoint "$scope"
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gdb_continue_to_breakpoint "$scope"
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foreach var_line $vars_list {
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set var [lindex $var_line 0]
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set print_re [lindex $var_line 1]
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gdb_test "print ${var_prefix}_${var}" $print_re
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}
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}
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}
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}
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foreach lang {"c" "c++"} {
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with_test_prefix $lang {
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do_test $lang
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}
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}
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