--- /dev/null
+# Copyright 2022 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/>.
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+if {![dwarf2_support]} {
+ return 0
+}
+
+standard_testfile .c -dw.S
+
+# We need to know the size of integer and address types in order
+# to write some of the debugging info we'd like to generate.
+#
+# For that, we ask GDB by debugging our dynarr-ptr.c program.
+# Any program would do, but since we already have dynarr-ptr.c
+# specifically for this testcase, might as well use that.
+
+if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
+ return -1
+}
+
+# Make some DWARF for the test.
+set asm_file [standard_output_file $srcfile2]
+Dwarf::assemble $asm_file {
+ set int_size [get_sizeof "int" 4]
+
+ get_func_info main
+ get_func_info main_helper
+
+ cu {} {
+ DW_TAG_compile_unit {
+ {DW_AT_language @DW_LANG_Fortran90}
+ {DW_AT_name fortran-var-string.f90}
+ {DW_AT_comp_dir /tmp}
+ } {
+ declare_labels integer_label string_label array_lb_label \
+ array_ub_label
+
+ DW_TAG_subprogram {
+ {name main}
+ {low_pc $main_helper_start addr}
+ {high_pc $main_helper_len data8}
+ {DW_AT_type :$integer_label}
+ {DW_AT_decl_file 1 data1}
+ {DW_AT_decl_line 1 data1}
+ }
+
+ DW_TAG_subprogram {
+ {name test_1_func}
+ {low_pc $main_start addr}
+ {high_pc $main_len data8}
+ {DW_AT_type :$integer_label}
+ {DW_AT_decl_file 1 data1}
+ {DW_AT_decl_line 2 data1}
+ } {
+ formal_parameter {
+ {name arg1}
+ {type :$string_label}
+ }
+ }
+
+ DW_TAG_subprogram {
+ {name test_2_func}
+ {low_pc $main_start addr}
+ {high_pc $main_len data8}
+ {DW_AT_type :$integer_label}
+ {DW_AT_decl_file 1 data1}
+ {DW_AT_decl_line 3 data1}
+ } {
+ formal_parameter {
+ {name arg1}
+ {type :$array_ub_label}
+ }
+ }
+
+ DW_TAG_subprogram {
+ {name test_3_func}
+ {low_pc $main_start addr}
+ {high_pc $main_len data8}
+ {DW_AT_type :$integer_label}
+ {DW_AT_decl_file 1 data1}
+ {DW_AT_decl_line 4 data1}
+ } {
+ formal_parameter {
+ {name arg1}
+ {type :$array_lb_label}
+ }
+ }
+
+ integer_label: DW_TAG_base_type {
+ {DW_AT_byte_size $int_size DW_FORM_sdata}
+ {DW_AT_encoding @DW_ATE_signed}
+ {DW_AT_name integer}
+ }
+
+ string_label: DW_TAG_string_type {
+ {DW_AT_byte_size $int_size DW_FORM_sdata}
+ {DW_AT_name .str.arg}
+ {DW_AT_string_length {} DW_FORM_block1}
+ }
+
+ array_lb_label: DW_TAG_array_type {
+ {DW_AT_ordering 1 data1}
+ {DW_AT_type :$integer_label}
+ } {
+ DW_TAG_subrange_type {
+ {DW_AT_lower_bound {} DW_FORM_block1}
+ {DW_AT_upper_bound 10 DW_FORM_data1}
+ }
+ }
+
+ array_ub_label: DW_TAG_array_type {
+ {DW_AT_ordering 1 data1}
+ {DW_AT_type :$integer_label}
+ } {
+ DW_TAG_subrange_type {
+ {DW_AT_upper_bound {} DW_FORM_block1}
+ }
+ }
+ }
+ }
+}
+
+# Now that we've generated the DWARF debugging info, rebuild our
+# program using our debug info instead of the info generated by
+# the compiler.
+
+if { [prepare_for_testing "failed to prepare" ${testfile} \
+ [list $srcfile $asm_file] {nodebug}] } {
+ return -1
+}
+
+if ![runto_main] {
+ return -1
+}
+
+gdb_test_no_output "set language fortran"
+
+gdb_test "info functions test_1_func" \
+ "2:\\s+integer test_1_func\\(character\\*\\(\\*\\)\\);"
+
+# We print `1` here as the bound because GDB treats this as an assumed
+# size array, and just reports the lower bound value for the upper
+# bound.
+#
+# We might, in the future, decide that there's a better way we could
+# tell the user about the type of this array argument, when that
+# happens it's OK to change the expected results here.
+gdb_test "info functions test_2_func" \
+ "3:\\s+integer test_2_func\\(integer \\(1\\)\\);"
+
+# It's not completely clear that this error is correct here. Why
+# can't the lower bound be a dynamic expression?
+#
+# This test was initially added to guard against the case where GDB
+# was crashing if/when it saw this situation.
+#
+# If later on, GDB's handling of array types with a dynamic loewr
+# bound changes, then it is possible that the expected result here
+# should change.
+gdb_test "info functions test_3_func" \
+ "4:\\s+Lower bound may not be '\\*' in F77"
projects / binutils-gdb.git / commitdiff