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# Copyright 2019 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 <http://www.gnu.org/licenses/>.
# Regression test for a GDB internal error that would trigger if a
# "catch catch" catchpoint ended up with multiple locations. This
# testcase exercises that scenario by building the binary with
# -static-libgcc/-static-libstdc++ and a shared library that depends
# on the libstc++.so DSO (which is how GDB was built and revealed the
# bug), and vice versa.
if {[skip_shlib_tests]} {
return 0
}
# STATIC_BIN indicates whether to build the main binary with
# -static-libgcc/-static-libstdc++. STATIC_LIB is the same, but for
# the shared library.
proc test_multi_libstdcpp {static_bin static_lib} {
global srcdir subdir
global decimal hex
# Library file.
set libname "except-multi-location-lib"
set srcfile_lib ${srcdir}/${subdir}/${libname}.cc
set binfile_lib [standard_output_file ${libname}-$static_bin-$static_lib.so]
set lib_flags {debug c++}
if {$static_lib} {
lappend lib_flags additional_flags=-static-libgcc additional_flags=-static-libstdc++
}
# Binary file.
set testfile "except-multi-location-main"
set srcfile ${srcdir}/${subdir}/${testfile}.cc
set binfile [standard_output_file ${testfile}-$static_bin-$static_lib]
set bin_flags [list debug c++ shlib=${binfile_lib}]
if {$static_bin} {
lappend bin_flags additional_flags=-static-libgcc additional_flags=-static-libstdc++
}
if { [gdb_compile_shlib ${srcfile_lib} ${binfile_lib} $lib_flags] != ""
|| [gdb_compile ${srcfile} ${binfile} executable $bin_flags] != "" } {
untested "failed to compile"
return -1
}
clean_restart
gdb_load ${binfile}
gdb_load_shlib $binfile_lib
if ![runto_main] {
fail "can't run to main"
return 0
}
gdb_test "catch catch" "Catchpoint \[0-9\]+ \\(catch\\)"
gdb_test "catch throw" "Catchpoint \[0-9\]+ \\(throw\\)"
gdb_test "catch rethrow" "Catchpoint \[0-9\]+ \\(rethrow\\)"
set ws "\[ \t\]*"
gdb_test "info breakpoints" \
[multi_line \
"${decimal}${ws}catchpoint${ws}keep${ws}y${ws}exception catch" \
"${decimal}${ws}catchpoint${ws}keep${ws}y${ws}exception throw" \
"${decimal}${ws}catchpoint${ws}keep${ws}y${ws}exception rethrow"]
}
# Try different static/not-static combinations.
foreach_with_prefix static_lib {"0" "1"} {
foreach_with_prefix static_bin {"0" "1"} {
test_multi_libstdcpp $static_lib $static_bin
}
}
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