gdb/

	Revert:
	2010-05-21  Pierre Muller  <muller@ics.u-strasbg.fr>
	* dwarf2read.c (new_symbol): Handle DW_AT_variable_parameter
	attribute.

gdb/testsuite/
	* dw2-ifort-parameter-debug.S: New file.
	* dw2-ifort-parameter.c: New file.
	* dw2-ifort-parameter.exp: New file.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 6926dd075ff240aea14cf683320c50911ac7b5a5..accaca302a3f8f4a88bec8a851ef49a461cd05ac 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2011-09-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       Revert:
+       2010-05-21  Pierre Muller  <muller@ics.u-strasbg.fr>
+       * dwarf2read.c (new_symbol): Handle DW_AT_variable_parameter
+       attribute.
+
 2011-08-29  Yao Qi  <yao@codesourcery.com>
 
        * solib-dsbt.c (bfd_lookup_symbol): Removed.

diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index f66c1d915bb6f22208a2dc6358aacefc14112f79..9e0a0ef15ee58b91fbdbc0e37e7971b2e8b0c543 100644 (file)
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -11578,14 +11578,6 @@ new_symbol_full (struct die_info *die, struct type *type, struct dwarf2_cu *cu,
            {
              dwarf2_const_value (attr, sym, cu);
            }
-         attr = dwarf2_attr (die, DW_AT_variable_parameter, cu);
-         if (attr && DW_UNSND (attr))
-           {
-             struct type *ref_type;
-
-             ref_type = lookup_reference_type (SYMBOL_TYPE (sym));
-             SYMBOL_TYPE (sym) = ref_type;
-           }
 
          list_to_add = cu->list_in_scope;
          break;

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index cfa7227e4525e3a8766e3ce95b0f33c924abd6b3..464bef5560ce81afd3f998ad6576865b15fd037c 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2011-09-01  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       * dw2-ifort-parameter-debug.S: New file.
+       * dw2-ifort-parameter.c: New file.
+       * dw2-ifort-parameter.exp: New file.
+
 2011-08-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
        * gdb.base/commands.exp (error_clears_commands_left): New function.

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter-debug.S b/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter-debug.S
new file mode 100644 (file)
index 0000000..104f28b
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter-debug.S
@@ -0,0 +1,122 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2010 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/>.  */
+
+       .section .debug_info
+.Lcu1_begin:
+       /* CU header */
+       .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
+.Lcu1_start:
+       .2byte  2                               /* DWARF Version */
+       .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
+       .byte   4                               /* Pointer size */
+
+       /* CU die */
+       .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
+       .ascii  "file1.txt\0"                   /* DW_AT_name */
+       .ascii  "GNU C 3.3.3\0"                 /* DW_AT_producer */
+       .byte   1                               /* DW_AT_language (C) */
+       .4byte  func                            /* DW_AT_low_pc */
+       .4byte  main                            /* DW_AT_high_pc */
+
+       .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
+       .byte           1                       /* DW_AT_external */
+       .ascii          "func\0"                /* DW_AT_name */
+       .4byte          func                    /* DW_AT_low_pc */
+       .4byte          main                    /* DW_AT_high_pc */
+
+       .uleb128        3                       /* Abbrev: DW_TAG_formal_parameter */
+       .ascii          "param\0"               /* DW_AT_name */
+       .byte           1                       /* DW_AT_variable_parameter */
+       .4byte          .Ltype_int - .Lcu1_begin        /* DW_AT_type */
+       .byte           2f - 1f                 /* DW_AT_location */
+1:     .byte           3                       /*   DW_OP_addr */
+       .4byte          ptr                     /*   <addr> */
+       .byte           0x6                     /*   DW_OP_deref */
+2:
+
+       .byte           0                       /* End of children of func */
+
+.Ltype_int:
+       .uleb128        4                       /* Abbrev: DW_TAG_base_type */
+       .ascii          "int\0"                 /* DW_AT_name */
+       .byte           4                       /* DW_AT_byte_size */
+       .byte           5                       /* DW_AT_encoding */
+
+       .byte           0                       /* End of children of CU */
+.Lcu1_end:
+
+/* Abbrev table */
+       .section .debug_abbrev
+.Labbrev1_begin:
+       .uleb128        1                       /* Abbrev code */
+       .uleb128        0x11                    /* DW_TAG_compile_unit */
+       .byte           1                       /* has_children */
+       .uleb128        0x3                     /* DW_AT_name */
+       .uleb128        0x8                     /* DW_FORM_string */
+       .uleb128        0x25                    /* DW_AT_producer */
+       .uleb128        0x8                     /* DW_FORM_string */
+       .uleb128        0x13                    /* DW_AT_language */
+       .uleb128        0xb                     /* DW_FORM_data1 */
+       .uleb128        0x11                    /* DW_AT_low_pc */
+       .uleb128        0x1                     /* DW_FORM_addr */
+       .uleb128        0x12                    /* DW_AT_high_pc */
+       .uleb128        0x1                     /* DW_FORM_addr */
+       .byte           0x0                     /* Terminator */
+       .byte           0x0                     /* Terminator */
+
+       .uleb128        2                       /* Abbrev code */
+       .uleb128        0x2e                    /* DW_TAG_subprogram */
+       .byte           1                       /* has_children */
+       .uleb128        0x3f                    /* DW_AT_external */
+       .uleb128        0xc                     /* DW_FORM_flag */
+       .uleb128        0x3                     /* DW_AT_name */
+       .uleb128        0x8                     /* DW_FORM_string */
+       .uleb128        0x11                    /* DW_AT_low_pc */
+       .uleb128        0x1                     /* DW_FORM_addr */
+       .uleb128        0x12                    /* DW_AT_high_pc */
+       .uleb128        0x1                     /* DW_FORM_addr */
+       .byte           0x0                     /* Terminator */
+       .byte           0x0                     /* Terminator */
+
+       .uleb128        3                       /* Abbrev code */
+       .uleb128        0x05                    /* DW_TAG_formal_parameter */
+       .byte           0                       /* has_children */
+       .uleb128        0x3                     /* DW_AT_name */
+       .uleb128        0x8                     /* DW_FORM_string */
+       .uleb128        0x4b                    /* DW_AT_variable_parameter */
+       .uleb128        0xb                     /* DW_FORM_data1 */
+       .uleb128        0x49                    /* DW_AT_type */
+       .uleb128        0x13                    /* DW_FORM_ref4 */
+       .uleb128        0x2                     /* DW_AT_location */
+       .uleb128        0xa                     /* DW_FORM_block1 */
+       .byte           0x0                     /* Terminator */
+       .byte           0x0                     /* Terminator */
+
+       .uleb128        4                       /* Abbrev code */
+       .uleb128        0x24                    /* DW_TAG_base_type */
+       .byte           0                       /* has_children */
+       .uleb128        0x3                     /* DW_AT_name */
+       .uleb128        0x8                     /* DW_FORM_string */
+       .uleb128        0xb                     /* DW_AT_byte_size */
+       .uleb128        0xb                     /* DW_FORM_data1 */
+       .uleb128        0x3e                    /* DW_AT_encoding */
+       .uleb128        0xb                     /* DW_FORM_data1 */
+       .byte           0x0                     /* Terminator */
+       .byte           0x0                     /* Terminator */
+
+       .byte           0x0                     /* Terminator */
+       .byte           0x0                     /* Terminator */

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter.c b/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter.c
new file mode 100644 (file)
index 0000000..fd16d1e
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter.c
@@ -0,0 +1,31 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2010 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/>.  */
+
+int value = 0xdeadf00d;
+int *ptr = &value;
+
+void
+func (void)
+{
+}
+
+int
+main (void)
+{
+  func ();
+  return 0;
+}

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter.exp b/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter.exp
new file mode 100644 (file)
index 0000000..7f2bcdd
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-ifort-parameter.exp
@@ -0,0 +1,40 @@
+# Copyright 2010 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/>.
+
+# Verify DW_AT_variable_parameter does not modify the data structures meaning
+# for GDB, as being used by iFort.
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+# For now pick a sampling of likely targets.
+if {![istarget *-*-linux*]
+    && ![istarget *-*-gnu*]
+    && ![istarget *-*-elf*]
+    && ![istarget *-*-openbsd*]
+    && ![istarget arm-*-eabi*]
+    && ![istarget powerpc-*-eabi*]} {
+    return 0
+}
+
+set testfile "dw2-ifort-parameter"
+
+if { [prepare_for_testing ${testfile}.exp ${testfile} [list ${testfile}.c ${testfile}-debug.S] {nodebug}] } {
+    return -1
+}
+
+if ![runto func] {
+    return -1
+}
+
+gdb_test "p/x param" " = 0xdeadf00d"