gdb/mi: Add -symbol-info-modules command

Add '-symbol-info-modules', an MI version of the CLI 'info modules'
command.

gdb/ChangeLog:

	* mi/mi-cmds.c (mi_cmds): Add 'symbol-info-modules' entry.
	* mi/mi-cmds.h (mi_cmd_symbol_info_modules): Declare.
	* mi/mi-symbol-cmds.c (mi_cmd_symbol_info_modules): New function.
	* NEWS: Mention new MI command.

gdb/testsuite/ChangeLog:

	* gdb.mi/mi-fortran-modules-2.f90: New file.
	* gdb.mi/mi-fortran-modules.exp: New file.
	* gdb.mi/mi-fortran-modules.f90: New file.

gdb/doc/ChangeLog:

	* doc/gdb.texinfo (GDB/MI Symbol Query): Document new MI command
	-symbol-info-modules.

Change-Id: Ibc618010d1d5f36ae8a8baba4fb9d9d724e62b0f

3 files changed, 172 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.mi/mi-fortran-modules-2.f90 b/gdb/testsuite/gdb.mi/mi-fortran-modules-2.f90
new file mode 100644
index 0000000..690d54d
--- /dev/null
+++ b/gdb/testsuite/gdb.mi/mi-fortran-modules-2.f90
@@ -0,0 +1,33 @@
+! Copyright 2009-2019 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/>.
+
+module mod1
+  integer :: var_i = 1
+  integer :: var_const
+  parameter (var_const = 20)
+contains
+  subroutine check_all
+    if (var_i .ne. 1) call abort
+    if (var_const .ne. 20) call abort
+  end subroutine check_all
+end module mod1
+
+module mod2
+  integer :: var_i = 2
+contains
+    subroutine check_var_i
+    if (var_i .ne. 2) call abort
+  end subroutine check_var_i
+end module mod2
diff --git a/gdb/testsuite/gdb.mi/mi-fortran-modules.exp b/gdb/testsuite/gdb.mi/mi-fortran-modules.exp
new file mode 100644
index 0000000..640bb12
--- /dev/null
+++ b/gdb/testsuite/gdb.mi/mi-fortran-modules.exp
@@ -0,0 +1,52 @@
+# 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/>.
+
+# Test -symbol-info-modules, listing Fortran modules.
+
+load_lib fortran.exp
+load_lib mi-support.exp
+set MIFLAGS "-i=mi"
+
+standard_testfile "mi-fortran-modules.f90" "mi-fortran-modules-2.f90"
+
+if {[prepare_for_testing "failed to prepare" ${testfile} \
+	 [list $srcfile $srcfile2] {debug f90}]} {
+    return -1
+}
+
+gdb_exit
+if {[mi_gdb_start]} {
+    continue
+}
+
+mi_run_to_main
+
+mi_gdb_test "101-symbol-info-modules" \
+    "101\\^done,symbols=\{debug=\\\[\{filename=\"\[^\"\]+$srcfile2\",fullname=\"\[^\"\]+$srcfile2\",symbols=\\\[\{line=\"16\",name=\"mod1\"\},\{line=\"27\",name=\"mod2\"\}\\\]\},\{filename=\"\[^\"\]+$srcfile\",fullname=\"\[^\"\]+$srcfile\",symbols=\\\[\{line=\"16\",name=\"mod3\"\},\{line=\"32\",name=\"modmany\"\},\{line=\"41\",name=\"moduse\"\}\\\]\}\\\]\}" \
+    "-symbol-info-modules"
+
+mi_gdb_test "102-symbol-info-modules --name mod\[123\]" \
+    "102\\^done,symbols=\{debug=\\\[\{filename=\"\[^\"\]+$srcfile2\",fullname=\"\[^\"\]+$srcfile2\",symbols=\\\[\{line=\"16\",name=\"mod1\"\},\{line=\"27\",name=\"mod2\"\}\\\]\},\{filename=\"\[^\"\]+$srcfile\",fullname=\"\[^\"\]+$srcfile\",symbols=\\\[\{line=\"16\",name=\"mod3\"\}\\\]\}\\\]\}" \
+    "-symbol-info-modules --name mod\[123\]"
+
+mi_gdb_test "103-symbol-info-modules --name moduse" \
+    "103\\^done,symbols=\{debug=\\\[\{filename=\"\[^\"\]+$srcfile\",fullname=\"\[^\"\]+$srcfile\",symbols=\\\[\{line=\"41\",name=\"moduse\"\}\\\]\}\\\]\}" \
+    "-symbol-info-modules --name moduse"
+
+
+
+
+
+
diff --git a/gdb/testsuite/gdb.mi/mi-fortran-modules.f90 b/gdb/testsuite/gdb.mi/mi-fortran-modules.f90
new file mode 100644
index 0000000..d254627
--- /dev/null
+++ b/gdb/testsuite/gdb.mi/mi-fortran-modules.f90
@@ -0,0 +1,87 @@
+! Copyright 2009-2019 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/>.
+
+module mod3
+  integer :: mod2 = 3
+  integer :: mod1 = 3
+  integer :: var_i = 3
+contains
+  subroutine check_all
+    if (mod2 .ne. 3) call abort
+    if (mod1 .ne. 3) call abort
+    if (var_i .ne. 3) call abort
+  end subroutine check_all
+
+  subroutine check_mod2
+    if (mod2 .ne. 3) call abort
+  end subroutine check_mod2
+end module mod3
+
+module modmany
+  integer :: var_a = 10, var_b = 11, var_c = 12, var_i = 14
+contains
+  subroutine check_some
+    if (var_a .ne. 10) call abort
+    if (var_b .ne. 11) call abort
+  end subroutine check_some
+end module modmany
+
+module moduse
+  integer :: var_x = 30, var_y = 31
+contains
+  subroutine check_all
+    if (var_x .ne. 30) call abort
+    if (var_y .ne. 31) call abort
+  end subroutine check_all
+
+  subroutine check_var_x
+    if (var_x .ne. 30) call abort
+  end subroutine check_var_x
+end module moduse
+
+subroutine sub1
+  use mod1
+  if (var_i .ne. 1) call abort
+  var_i = var_i                         ! i-is-1
+end subroutine sub1
+
+subroutine sub2
+  use mod2
+  if (var_i .ne. 2) call abort
+  var_i = var_i                         ! i-is-2
+end subroutine sub2
+
+subroutine sub3
+  use mod3
+  var_i = var_i                         ! i-is-3
+end subroutine sub3
+
+program module
+
+  use modmany, only: var_b, var_d => var_c, var_i
+  use moduse, var_z => var_y
+
+  call sub1
+  call sub2
+  call sub3
+
+  if (var_b .ne. 11) call abort
+  if (var_d .ne. 12) call abort
+  if (var_i .ne. 14) call abort
+  if (var_x .ne. 30) call abort
+  if (var_z .ne. 31) call abort
+  var_b = var_b                         ! a-b-c-d
+
+end program module