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Fix testcases using __attribute__((noclone)) with Clang

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Clang fails to compile a number of files with the following warning:
unknown attribute 'noclone' ignored [-Wunknown-attributes].  This
commit adds a new header, lib/noclone.h, which defines the macro
ATTRIBUTE_NOCLONE accordingly, and updates the relevant testcases
to use it.

gdb/testsuite/ChangeLog:

	* lib/attributes.h: New header.
	* gdb.base/backtrace.c: Include the above. Replace
	__attribute__(noclone)) with ATTRIBUTE_NOCLONE.
	* gdb.base/infcall-nested-structs.c: Likewise.
	* gdb.base/vla-optimized-out.c: Likewise.
This commit is contained in:
Gary Benson
2020-11-02 11:52:41 +00:00
parent ab8f783d7a
commit 7ea44a51fa
5 changed files with 89 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
gdb/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2020-11-02 Gary Benson <gbenson@redhat.com>
* lib/attributes.h: New header.
* gdb.base/backtrace.c: Include the above. Replace
__attribute__(noclone)) with ATTRIBUTE_NOCLONE.
* gdb.base/infcall-nested-structs.c: Likewise.
* gdb.base/vla-optimized-out.c: Likewise.
2020-11-02 Tom de Vries <tdevries@suse.de>
* gdb.dwarf2/fission-multi-cu.S: Remove .debug_line.dwo section.

8
gdb/testsuite/gdb.base/backtrace.c
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@ -15,19 +15,21 @@
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 __attribute__((noinline,noclone))
#include "../lib/attributes.h"
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
baz ()
{
return 0; /* Break here. */
}
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
bar ()
{
return baz ();
}
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
foo ()
{
return bar ();

65
gdb/testsuite/gdb.base/infcall-nested-structs.c
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@ -33,6 +33,7 @@
in the structs.exp test script. */
#include <string.h>
#include "../lib/attributes.h"
/* Useful abreviations. */
typedef char tc;
@ -51,13 +52,13 @@ typedef long double _Complex tldc;
#endif /* TEST_COMPLEX */
#define MAKE_CHECK_FUNCS(TYPE) \
int __attribute__((noinline,noclone)) \
int __attribute__((noinline)) ATTRIBUTE_NOCLONE \
check_arg_ ## TYPE (struct TYPE arg) \
{ \
return cmp_ ## TYPE (arg, ref_val_ ## TYPE); \
} \
\
struct TYPE __attribute__((noinline,noclone)) \
struct TYPE __attribute__((noinline)) ATTRIBUTE_NOCLONE \
rtn_str_ ## TYPE (void) \
{ \
return (ref_val_ ## TYPE); \
@ -128,141 +129,141 @@ struct struct_static_06_04 { ES(es1); ES(es2); static tA a; ES(es3); static tB b
#endif
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_01_01 (struct struct_01_01 a, struct struct_01_01 b)
{ return a.s2.s1.a == b.s2.s1.a; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_01_02 (struct struct_01_02 a, struct struct_01_02 b)
{ return a.a == b.a; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_01_03 (struct struct_01_03 a, struct struct_01_03 b)
{ return a.s4.s3.a == b.s4.s3.a; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_01_04 (struct struct_01_04 a, struct struct_01_04 b)
{ return a.a == b.a; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_02_01 (struct struct_02_01 a, struct struct_02_01 b)
{ return a.s2.s1.a == b.s2.s1.a && a.s2.s1.b == b.s2.s1.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_02_02 (struct struct_02_02 a, struct struct_02_02 b)
{ return a.a == b.a && a.b == b.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_02_03 (struct struct_02_03 a, struct struct_02_03 b)
{ return a.s4.s3.a == b.s4.s3.a && a.s6.s5.b == b.s6.s5.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_02_04 (struct struct_02_04 a, struct struct_02_04 b)
{ return a.a == b.a && a.b == b.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_04_01 (struct struct_04_01 a, struct struct_04_01 b)
{ return a.s2.s1.a == b.s2.s1.a && a.s2.s1.b == b.s2.s1.b
&& a.s2.s1.c == b.s2.s1.c && a.s2.s1.d == b.s2.s1.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_04_02 (struct struct_04_02 a, struct struct_04_02 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_04_03 (struct struct_04_03 a, struct struct_04_03 b)
{ return a.s4.s3.a == b.s4.s3.a && a.s6.s5.b == b.s6.s5.b
&& a.s8.s7.c == b.s8.s7.c && a.s10.s9.d == b.s10.s9.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_04_04 (struct struct_04_04 a, struct struct_04_04 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_05_01 (struct struct_05_01 a, struct struct_05_01 b)
{ return a.s2.s1.a == b.s2.s1.a && a.s2.s1.b == b.s2.s1.b
&& a.s2.s1.c == b.s2.s1.c && a.s2.s1.d == b.s2.s1.d
&& a.s2.s1.e == b.s2.s1.e; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_05_02 (struct struct_05_02 a, struct struct_05_02 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d && a.e == b.e; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_05_03 (struct struct_05_03 a, struct struct_05_03 b)
{ return a.s4.s3.a == b.s4.s3.a && a.s6.s5.b == b.s6.s5.b
&& a.s8.s7.c == b.s8.s7.c && a.s10.s9.d == b.s10.s9.d
&& a.s12.s11.e == b.s12.s11.e; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_05_04 (struct struct_05_04 a, struct struct_05_04 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d && a.e == b.e; }
#ifdef __cplusplus
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_02_01 (struct struct_static_02_01 a,
struct struct_static_02_01 b)
{ return a.s2.s1.a == b.s2.s1.a && a.s2.s1.b == b.s2.s1.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_02_02 (struct struct_static_02_02 a,
struct struct_static_02_02 b)
{ return a.a == b.a && a.b == b.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_02_03 (struct struct_static_02_03 a,
struct struct_static_02_03 b)
{ return a.s4.s3.a == b.s4.s3.a && a.s6.s5.b == b.s6.s5.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_02_04 (struct struct_static_02_04 a,
struct struct_static_02_04 b)
{ return a.a == b.a && a.b == b.b; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_04_01 (struct struct_static_04_01 a,
struct struct_static_04_01 b)
{ return a.s2.s1.a == b.s2.s1.a && a.s2.s1.b == b.s2.s1.b
&& a.s2.s1.c == b.s2.s1.c && a.s2.s1.d == b.s2.s1.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_04_02 (struct struct_static_04_02 a,
struct struct_static_04_02 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_04_03 (struct struct_static_04_03 a,
struct struct_static_04_03 b)
{ return a.s4.s3.a == b.s4.s3.a && a.s6.s5.b == b.s6.s5.b
&& a.s8.s7.c == b.s8.s7.c && a.s10.s9.d == b.s10.s9.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_04_04 (struct struct_static_04_04 a,
struct struct_static_04_04 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_06_01 (struct struct_static_06_01 a,
struct struct_static_06_01 b)
{ return a.s2.s1.a == b.s2.s1.a && a.s2.s1.b == b.s2.s1.b
&& a.s2.s1.c == b.s2.s1.c && a.s2.s1.d == b.s2.s1.d
&& a.s2.s1.e == b.s2.s1.e && a.f == b.f; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_06_02 (struct struct_static_06_02 a,
struct struct_static_06_02 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d && a.e == b.e
&& a.f == b.f; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_06_03 (struct struct_static_06_03 a,
struct struct_static_06_03 b)
{ return a.s4.s3.a == b.s4.s3.a && a.s6.s5.b == b.s6.s5.b
&& a.s8.s7.c == b.s8.s7.c && a.s10.s9.d == b.s10.s9.d
&& a.s12.s11.e == b.s12.s11.e && a.s12.s11.f == b.s12.s11.f; }
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
cmp_struct_static_06_04 (struct struct_static_06_04 a,
struct struct_static_06_04 b)
{ return a.a == b.a && a.b == b.b && a.c == b.c && a.d == b.d && a.e == b.e
@ -366,7 +367,7 @@ MAKE_CHECK_FUNCS(struct_static_06_04)
#define CALL_LINE(NAME) val += check_arg_ ## NAME (rtn_str_ ## NAME ())
int __attribute__((noinline,noclone))
int __attribute__((noinline)) ATTRIBUTE_NOCLONE
call_all ()
{
int val = 0;
@ -407,7 +408,7 @@ call_all ()
int volatile v = 1;
void __attribute__((noinline, noclone))
void __attribute__((noinline)) ATTRIBUTE_NOCLONE
breakpt (void)
{
v++;

4
gdb/testsuite/gdb.base/vla-optimized-out.c
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@ -18,9 +18,11 @@
/* The version of this test-case with f1 tagged with noinline only is equivalent
to gcc/testsuite/gcc.dg/guality/vla-1.c. */
#include "../lib/attributes.h"
int
#ifdef NOCLONE
__attribute__((noinline, noclone))
__attribute__((noinline)) ATTRIBUTE_NOCLONE
#else
__attribute__((noinline))
#endif

40
gdb/testsuite/lib/attributes.h Normal file
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@ -0,0 +1,40 @@
/* This file is part of GDB, the GNU debugger.
Copyright (C) 2020 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/>. */
/* Compatibility macro for __attribute__((noclone)). */
#ifndef ATTRIBUTES_H
#define ATTRIBUTES_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __has_attribute
# if !__has_attribute (noclone)
# define ATTRIBUTE_NOCLONE
# endif
#endif
#ifndef ATTRIBUTE_NOCLONE
# define ATTRIBUTE_NOCLONE __attribute__((noclone))
#endif
#ifdef __cplusplus
}
#endif
#endif /* ATTRIBUTES_H */