@@ -2706,6 +2706,13 @@ evaluate_subexp_for_sizeof_base (struct expression *exp, struct type *type)
if (exp->language_defn->la_language == language_cplus
&& (TYPE_IS_REFERENCE (type)))
type = check_typedef (type->target_type ());
+ else if (exp->language_defn->la_language == language_fortran
+ && type->code () == TYPE_CODE_PTR)
+ {
+ /* Dereference Fortran pointer types to allow them for the Fortran
+ sizeof intrinsic. */
+ type = check_typedef (type->target_type ());
+ }
return value_from_longest (size_type, (LONGEST) type->length ());
}
new file mode 100644
@@ -0,0 +1,115 @@
+# Copyright 2024 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/> .
+
+# Testing GDB's implementation of SIZE keyword.
+
+require allow_fortran_tests
+
+standard_testfile ".f90"
+load_lib fortran.exp
+
+if {[prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
+ {debug f90}]} {
+ return -1
+}
+
+if ![fortran_runto_main] {
+ return -1
+}
+
+gdb_breakpoint [gdb_get_line_number "Test breakpoint"]
+gdb_breakpoint [gdb_get_line_number "Past unassigned pointers"]
+gdb_breakpoint [gdb_get_line_number "Final breakpoint"]
+
+set done_unassigned 0
+set found_final_breakpoint 0
+set test_count 0
+
+# We are running tests defined in the executable here. So, in the .exp file
+# we do not know when the 'Final breakpoint' will be hit exactly. We place a
+# limit on the number of tests that can be run, just in case something goes
+# wrong, and GDB gets stuck in an loop here.
+while { $test_count < 200 } {
+ with_test_prefix "test $test_count" {
+ incr test_count
+
+ gdb_test_multiple "continue" "continue" {
+ -re -wrap "! Test breakpoint" {
+ # We can run a test from here.
+ }
+ -re -wrap "! Past unassigned pointers" {
+ # Done with testing unassigned pointers.
+ set done_unassigned 1
+ continue
+ }
+ -re -wrap "! Final breakpoint" {
+ # We're done with the tests.
+ set found_final_breakpoint 1
+ }
+ }
+
+ if ($found_final_breakpoint) {
+ break
+ }
+
+ # First grab the expected answer.
+ set answer [get_valueof "" "answer" "**unknown**"]
+
+ # Now move up a frame and figure out a command for us to run
+ # as a test.
+ set command ""
+ gdb_test_multiple "up" "up" {
+ -re -wrap "\r\n\[0-9\]+\[ \t\]+call test_sizeof \\((\[^\r\n\]+)\\)" {
+ set command $expect_out(1,string)
+ }
+ }
+
+ gdb_assert { ![string equal $command ""] } "found a command to run"
+
+ set is_pointer_to_array [string match "sizeof (*a_p)*" $command]
+
+ if {$done_unassigned || !$is_pointer_to_array} {
+ gdb_test "p $command" " = $answer"
+ } else {
+ # Gfortran and ifx have slightly different behavior for unassigned
+ # pointers to arrays. While ifx will print 0 as the sizeof result,
+ # gfortran will print the size of the base type of the pointer or
+ # array. Since the default behavior in GDB was to print 0 we keep
+ # this and make an exception for gfortran here.
+ gdb_test_multiple "p $command" "p $command" {
+ -re -wrap " = $answer" {
+ pass $gdb_test_name
+ }
+ -re -wrap " = 0" {
+ pass $gdb_test_name
+ }
+ }
+ }
+ }
+}
+
+gdb_assert {$found_final_breakpoint} "ran all compiled in tests"
+
+# Here some more GDB specific tests that might fail with compilers.
+# GDB will print sizeof(1.4) = 8 while gfortran will probably print 4 but
+# GDB says ptype 1.4 is real*8 so the output is expected.
+
+gdb_test "ptype 1" "type = int"
+gdb_test "p sizeof(1)" "= 4"
+
+gdb_test "ptype 1.3" "type = real\\*8"
+gdb_test "p sizeof(1.3)" "= 8"
+
+gdb_test "p sizeof ('asdsasd')" "= 7"
new file mode 100644
@@ -0,0 +1,108 @@
+! Copyright 2024 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/>.
+
+module data
+ use, intrinsic :: iso_c_binding, only : C_SIZE_T
+ implicit none
+
+ character, target :: char_v
+ character (len=3), target :: char_a
+ integer, target :: int_v
+ integer, target, dimension(:,:) :: int_2da (3,2)
+ real*4, target :: real_v
+ real*4, target :: real_a(4)
+ real*4, target, dimension (:), allocatable :: real_a_alloc
+
+ character, pointer :: char_v_p
+ character (len=3), pointer :: char_a_p
+ integer, pointer :: int_v_p
+ integer, pointer, dimension (:,:) :: int_2da_p
+ real*4, pointer :: real_v_p
+ real*4, pointer, dimension(:) :: real_a_p
+ real*4, dimension(:), pointer :: real_alloc_a_p
+
+contains
+subroutine test_sizeof (answer)
+ integer(C_SIZE_T) :: answer
+
+ print *, answer ! Test breakpoint
+end subroutine test_sizeof
+
+subroutine run_tests ()
+ call test_sizeof (sizeof (char_v))
+ call test_sizeof (sizeof (char_a))
+ call test_sizeof (sizeof (int_v))
+ call test_sizeof (sizeof (int_2da))
+ call test_sizeof (sizeof (real_v))
+ call test_sizeof (sizeof (real_a))
+ call test_sizeof (sizeof (real_a_alloc))
+
+ call test_sizeof (sizeof (char_v_p))
+ call test_sizeof (sizeof (char_a_p))
+ call test_sizeof (sizeof (int_v_p))
+ call test_sizeof (sizeof (int_2da_p))
+ call test_sizeof (sizeof (real_v_p))
+ call test_sizeof (sizeof (real_a_p))
+ call test_sizeof (sizeof (real_alloc_a_p))
+end subroutine run_tests
+
+end module data
+
+program sizeof_tests
+ use iso_c_binding
+ use data
+
+ implicit none
+
+ allocate (real_a_alloc(5))
+
+ nullify (char_v_p)
+ nullify (char_a_p)
+ nullify (int_v_p)
+ nullify (int_2da_p)
+ nullify (real_v_p)
+ nullify (real_a_p)
+ nullify (real_alloc_a_p)
+
+ ! Test nullified
+ call run_tests ()
+
+ char_v_p => char_v ! Past unassigned pointers
+ char_a_p => char_a
+ int_v_p => int_v
+ int_2da_p => int_2da
+ real_v_p => real_v
+ real_a_p => real_a
+ real_alloc_a_p => real_a_alloc
+
+ ! Test pointer assignment
+ call run_tests ()
+
+ char_v = 'a'
+ char_a = "aaa"
+ int_v = 10
+ int_2da = reshape((/1, 2, 3, 4, 5, 6/), shape(int_2da))
+ real_v = 123.123
+ real_a_p = (/-1.1, -1.2, -1.3, -1.4/)
+ real_a_alloc = (/1.1, 2.2, 3.3, 4.4, 5.5/)
+
+ ! After allocate/value assignment
+ call run_tests ()
+
+ deallocate (real_a_alloc)
+
+ print *, "done" ! Final breakpoint
+
+end program sizeof_tests