- Fortran: Fix regression on setting breakpoint at toplevel symbols (BZ

559291).
This commit is contained in:
Jan Kratochvil 2010-02-03 01:07:22 +00:00
parent 25295218e8
commit 48a8022c0d
2 changed files with 115 additions and 1 deletions

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@ -0,0 +1,107 @@
http://sourceware.org/ml/archer/2010-q1/msg00047.html
Subject: [fortran-module] [commit] Fix a regression on setting breakpoint at
[ Backport for F-11. ]
f5c7672a52316155bc3367cbc2f0e7db22523634
https://bugzilla.redhat.com/show_bug.cgi?id=559291
gdb/
2010-02-03 Jan Kratochvil <jan.kratochvil@redhat.com>
David Moore <david.moore@intel.com>
* f-lang.c (f_lookup_symbol_nonlocal): Always fallback on
basic_lookup_symbol_nonlocal.
gdb/testsuite/
2010-02-03 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.fortran/module.exp (show language, setting breakpoint at module):
New.
* gdb.fortran/module.f90: New statement program module.
--- ./gdb/f-lang.c 2010-02-03 01:39:24.000000000 +0100
+++ ./gdb/f-lang.c 2010-02-03 01:38:44.000000000 +0100
@@ -309,31 +309,32 @@ f_lookup_symbol_nonlocal (const char *na
const struct block *block,
const domain_enum domain)
{
- struct fortran_using *use;
-
- if (!block)
- return NULL;
-
- for (use = BLOCK_FORTRAN_USE (block); use; use = use->next)
+ if (block)
{
- struct symbol *sym;
- struct type *type;
- struct symbol *retval;
-
- sym = lookup_symbol_global (use->module_name, NULL, block, MODULE_DOMAIN);
-
- /* Module name lookup should not fail with correct debug info. */
- if (sym == NULL)
- continue;
-
- type = SYMBOL_TYPE (sym);
- gdb_assert (TYPE_CODE (type) == TYPE_CODE_MODULE);
- gdb_assert (TYPE_MODULE_BLOCK (type) != NULL);
-
- retval = lookup_block_symbol (TYPE_MODULE_BLOCK (type), name,
- linkage_name, domain);
- if (retval)
- return retval;
+ struct fortran_using *use;
+
+ for (use = BLOCK_FORTRAN_USE (block); use; use = use->next)
+ {
+ struct symbol *sym;
+ struct type *type;
+ struct symbol *retval;
+
+ sym = lookup_symbol_global (use->module_name, NULL, block,
+ MODULE_DOMAIN);
+
+ /* Module name lookup should not fail with correct debug info. */
+ if (sym == NULL)
+ continue;
+
+ type = SYMBOL_TYPE (sym);
+ gdb_assert (TYPE_CODE (type) == TYPE_CODE_MODULE);
+ gdb_assert (TYPE_MODULE_BLOCK (type) != NULL);
+
+ retval = lookup_block_symbol (TYPE_MODULE_BLOCK (type), name,
+ linkage_name, domain);
+ if (retval)
+ return retval;
+ }
}
return basic_lookup_symbol_nonlocal (name, linkage_name, block, domain);
--- ./gdb/testsuite/gdb.fortran/module.exp 2010-02-03 01:39:25.000000000 +0100
+++ ./gdb/testsuite/gdb.fortran/module.exp 2010-02-03 01:34:47.000000000 +0100
@@ -43,3 +43,13 @@ gdb_test "print var_b" " = 11"
gdb_test "print var_c" "No symbol \"var_c\" in current context\\."
gdb_test "print var_d" " = 12"
gdb_test "print var_i" " = 14" "print var_i value 14"
+
+# Breakpoint would work in language "c".
+gdb_test "show language" {The current source language is "(auto; currently )?fortran".}
+
+# gcc-4.4.2: The main program is always MAIN__ in .symtab so "runto" above
+# works. But DWARF DW_TAG_subprogram contains the name specified by
+# the "program" Fortran statement.
+if [gdb_breakpoint "module"] {
+ pass "setting breakpoint at module"
+}
--- ./gdb/testsuite/gdb.fortran/module.f90 2010-02-03 01:39:25.000000000 +0100
+++ ./gdb/testsuite/gdb.fortran/module.f90 2010-02-03 01:34:47.000000000 +0100
@@ -37,6 +37,8 @@ end module modmany
var_i = var_i ! i-is-2
end
+ program module
+
use modmany, only: var_b, var_d => var_c, var_i
call sub1

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@ -13,7 +13,7 @@ Version: 6.8.50.20090302
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 39%{?_with_upstream:.upstream}%{?dist}
Release: 40%{?_with_upstream:.upstream}%{?dist}
License: GPLv3+
Group: Development/Debuggers
@ -400,6 +400,9 @@ Patch379: gdb-bz508406-vla-type-objfile.patch
# Fix crash on some catch commands (BZ 533525).
Patch386: gdb-bz533525-catch-crash.patch
# Fortran: Fix regression on setting breakpoint at toplevel symbols (BZ 559291).
Patch416: gdb-bz559291-fortran-module-toplevel.patch
BuildRequires: ncurses-devel texinfo gettext flex bison expat-devel
Requires: readline
BuildRequires: readline-devel
@ -603,6 +606,7 @@ rm -f gdb/jv-exp.c gdb/m2-exp.c gdb/objc-exp.c gdb/p-exp.c
%patch377 -p1
%patch379 -p1
%patch386 -p1
%patch416 -p1
%patch124 -p1
find -name "*.orig" | xargs rm -f
@ -883,6 +887,9 @@ fi
%endif
%changelog
* Wed Feb 3 2010 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8.50.20090302-40
- Fortran: Fix regression on setting breakpoint at toplevel symbols (BZ 559291).
* Tue Nov 10 2009 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8.50.20090302-39
- Fix crash on some catch commands (BZ 533525).