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# Copyright 2022-2023 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/>.
if {[skip_shlib_tests]} {
return -1
}
standard_testfile .c -lib.c
# Compile the shared library.
set srcdso [file join $srcdir $subdir $srcfile2]
set objdso [standard_output_file lib${gdb_test_file_name}.so]
if {[gdb_compile_shlib $srcdso $objdso {debug}] != ""} {
untested "failed to compile dso"
return -1
}
# Build the test executable and runto main.
set opts [list debug shlib=$objdso]
if { [prepare_for_testing "failed to " $testfile $srcfile $opts] } {
return -1
}
if {![runto_main]} {
return -1
}
if {[readnow]} {
untested "this test checks for delayed symtab expansion"
return -1
}
# Use 'info sources' to check if the debug information for the shared
# library has been fully expanded or not. Return true if the debug
# information has NOT been fully expanded (which is what we want for this
# test).
proc shared_library_debug_not_fully_expanded {} {
set library_expanded ""
gdb_test_multiple "info sources" "" {
-re "^info sources\r\n" {
exp_continue
}
-re "^(\[^\r\n\]+):\r\n\\(Full debug information has not yet been read for this file\\.\\)\r\n\r\n" {
set libname $expect_out(1,string)
if {$libname == $::objdso} {
set library_expanded "no"
}
exp_continue
}
-re "^(\[^\r\n\]+):\r\n\\(Objfile has no debug information\\.\\)\r\n\r\n" {
set libname $expect_out(1,string)
if {$libname == $::objdso} {
# For some reason the shared library has no debug
# information, this is not expected.
set library_expanded "missing debug"
}
exp_continue
}
-re "^(\[^\r\n\]+):\r\n\r\n" {
set libname $expect_out(1,string)
if {$libname == $::objdso} {
set library_expanded "yes"
}
exp_continue
}
-re "^$::gdb_prompt $" {
gdb_assert {[string equal $library_expanded "yes"] \
|| [string equal $library_expanded "no"]} \
$gdb_test_name
}
-re "^(\[^\r\n:\]*)\r\n" {
exp_continue
}
}
return [expr $library_expanded == "no"]
}
foreach_with_prefix type_name {"short" "int" "long" "char"} {
foreach_with_prefix type_prefix {"" "signed" "unsigned"} {
with_test_prefix "before sizeof expression" {
# Check that the debug information for the shared library has
# not yet been read in.
gdb_assert { [shared_library_debug_not_fully_expanded] }
}
# Evaluate a sizeof expression for a builtin type. At one point GDB
# would fail to find the builtin type, and would then start
# expanding compilation units looking for a suitable debug entry,
# for some builtin types GDB would never find a suitable match, and
# so would end up expanding all available compilation units.
gdb_test "print/d sizeof ($type_prefix $type_name)" " = $decimal"
with_test_prefix "after sizeof expression" {
# Check that the debug information for the shared library has not
# yet been read in.
gdb_assert { [shared_library_debug_not_fully_expanded] }
}
}
}
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