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re PR debug/55059 (DWARF missing concrete class definition) 

PR debug/55059
	PR debug/54508
	* dwarf2out.c (prune_unused_types_mark): Mark all of parent's
	children if parent is a class.
	(prune_unused_types_prune): Don't add DW_AT_declaration.

From-SVN: r195622
This commit is contained in:
Paul Koning 2013-01-31 13:29:15 -05:00 committed by Jason Merrill
parent 04d2daddf4
commit 73861a4142
5 changed files with 26 additions and 34 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2013-01-31 Paul Koning <ni1d@arrl.net>
PR debug/55059
PR debug/54508
* dwarf2out.c (prune_unused_types_mark): Mark all of parent's
children if parent is a class.
(prune_unused_types_prune): Don't add DW_AT_declaration.
2013-01-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/56157

23
gcc/dwarf2out.c
View File

@ -21905,9 +21905,11 @@ prune_unused_types_mark (dw_die_ref die, int dokids)
prune_unused_types_mark_generic_parms_dies (die);
/* We also have to mark its parents as used.
(But we don't want to mark our parents' kids due to this.) */
(But we don't want to mark our parent's kids due to this,
unless it is a class.) */
if (die->die_parent)
prune_unused_types_mark (die->die_parent, 0);
prune_unused_types_mark (die->die_parent,
class_scope_p (die->die_parent));
/* Mark any referenced nodes. */
prune_unused_types_walk_attribs (die);
@ -22082,7 +22084,6 @@ static void
prune_unused_types_prune (dw_die_ref die)
{
dw_die_ref c;
int pruned = 0;
gcc_assert (die->die_mark);
prune_unused_types_update_strings (die);
@ -22105,25 +22106,13 @@ prune_unused_types_prune (dw_die_ref die)
prev->die_sib = c->die_sib;
die->die_child = prev;
}
pruned = 1;
goto finished;
return;
}
if (c != prev->die_sib)
{
prev->die_sib = c;
pruned = 1;
}
prev->die_sib = c;
prune_unused_types_prune (c);
} while (c != die->die_child);
finished:
/* If we pruned children, and this is a class, mark it as a
declaration to inform debuggers that this is not a complete
class definition. */
if (pruned && die->die_mark == 1 && class_scope_p (die)
&& ! is_declaration_die (die))
add_AT_flag (die, DW_AT_declaration, 1);
}
/* Remove dies representing declarations that we never use. */

6
gcc/testsuite/g++.dg/debug/dwarf2/localclass1.C
View File

@ -59,11 +59,11 @@ main ()
// { dg-final { scan-assembler "foo\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn2\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn3\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn4\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn3\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn4\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn5\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn6\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "method1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "method1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "arg1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "arg2\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "arg3\[^\n\r\]*DW_AT_name" } }

6
gcc/testsuite/g++.dg/debug/dwarf2/localclass2.C
View File

@ -59,11 +59,11 @@ main ()
// { dg-final { scan-assembler "foo\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn2\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn3\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn4\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn3\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "staticfn4\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn5\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "staticfn6\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler-not "method1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "method1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "arg1\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "arg2\[^\n\r\]*DW_AT_name" } }
// { dg-final { scan-assembler "arg3\[^\n\r\]*DW_AT_name" } }

17
gcc/testsuite/g++.dg/debug/dwarf2/pr54508.C
View File

@ -2,16 +2,12 @@
// { dg-do compile }
// { dg-options "-g2 -dA -fno-merge-debug-strings" }
// { dg-final { scan-assembler-not "\"cbase\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"c\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name\[\r\n\]+\[\^\r\n\]+\[\r\n\]+\[\^\r\n\]+\[\r\n\]+\[\^#;/!|@\]+\[#;/!|@\]+ +DW_AT_decl_line\[\r\n\]+\[\^#;/!|@\]+\[#;/!|@\]+ +DW_AT_declaration" } }
// { dg-final { scan-assembler-not "\"OPCODE\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler-not "\"bi\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler-not "\"si\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"s\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler-not "\"s\\\\0\"\[^#;/!|@\]+\[#;/!|@\]+ +DW_AT_name\[\r\n\]+\[\^\r\n\]+\[\r\n\]+\[\^\r\n\]+\[\r\n\]+\[\^#;/!|@\]+\[#;/!|@\]+ +DW_AT_decl_line\[\r\n\]+\[ \t\]+\[#;/!|@\]+ +DW_AT_declaration" } }
// { dg-final { scan-assembler "\"cbase\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"OPCODE\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"bi\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"si\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"f1\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"u\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name\[\r\n\]+\[\^\r\n\]+\[\r\n\]+\[\^\r\n\]+\[\r\n\]+\[\^#;/!|@\]+\[#;/!|@\]+ +DW_AT_decl_line\[\r\n\]+\[^#;/!|@\]+\[#;/!|@\]+ +DW_AT_declaration" } }
// { dg-final { scan-assembler-not "\"f2\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler "\"f2\\\\0\"\[ \t\]+\[#;/!|@\]+ +DW_AT_name" } }
// { dg-final { scan-assembler-not "\"nc\\\\0\"\[ \t\]+\# +DW_AT_name" } }
class cbase
@ -64,9 +60,8 @@ extern void send (int, int, const void *, int);
void test (int src)
{
int cookie = 1;
static struct s ss;
send(src, c::OPCODE, c::testc (), cookie);
send(src, c::OPCODE, s::tests (), cookie);
send(src, c::OPCODE, u::testu (), cookie);
send(src, c::OPCODE, n::ntest (), cookie);
}