1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
permissions: 0.929
peripherals: 0.921
register: 0.920
virtual: 0.920
graphic: 0.917
performance: 0.916
architecture: 0.916
semantic: 0.907
TCG: 0.905
i386: 0.899
arm: 0.898
debug: 0.896
PID: 0.891
assembly: 0.889
device: 0.888
files: 0.874
vnc: 0.865
VMM: 0.862
kernel: 0.862
KVM: 0.857
socket: 0.855
ppc: 0.846
hypervisor: 0.844
user-level: 0.842
risc-v: 0.836
network: 0.810
boot: 0.803
x86: 0.781
mistranslation: 0.780
atomic failure linking with --enable-sanitizers on 32-bit Linux hosts
As of commit 50536341b47, using --enable-sanitizers on 32-bit Linux host:
- displays various warnings
- fails linking
Using Ubuntu 18.04 (release 20201211.1) and Clang10 on i386:
[139/675] Compiling C object softmmu.fa.p/softmmu_icount.c.o
In file included from ../softmmu/icount.c:31:
In file included from include/exec/exec-all.h:23:
In file included from ../target/mips/cpu.h:4:
In file included from ../target/mips/cpu-qom.h:23:
In file included from include/hw/core/cpu.h:23:
In file included from include/hw/qdev-core.h:5:
In file included from include/qemu/bitmap.h:16:
In file included from include/qemu/bitops.h:17:
include/qemu/atomic.h:463:12: warning: misaligned atomic operation may
incur significant performance penalty [-Watomic-alignment]
return qatomic_read__nocheck(ptr);
^
include/qemu/atomic.h:129:5: note: expanded from macro
'qatomic_read__nocheck'
__atomic_load_n(ptr, __ATOMIC_RELAXED)
^
include/qemu/atomic.h:473:5: warning: misaligned atomic operation may
incur significant performance penalty [-Watomic-alignment]
qatomic_set__nocheck(ptr, val);
^
include/qemu/atomic.h:138:5: note: expanded from macro
'qatomic_set__nocheck'
__atomic_store_n(ptr, i, __ATOMIC_RELAXED)
^
2 warnings generated.
[...]
[850/2216] Linking target tests/test-hbitmap
FAILED: tests/test-hbitmap
clang -o tests/test-hbitmap tests/test-hbitmap.p/test-hbitmap.c.o
tests/test-hbitmap.p/iothread.c.o -Wl,--as-needed -Wl,--no-undefined
-pie -Wl,--whole-archive libblock.fa libcrypto.fa libauthz.fa libqom.fa
libio.fa -Wl,--no-whole-archive -Wl,--warn-common -fsanitize=undefined
-fsanitize=address -Wl,-z,relro -Wl,-z,now -m32 -ggdb
-fstack-protector-strong -Wl,--start-group libqemuutil.a
subprojects/libvhost-user/libvhost-user-glib.a
subprojects/libvhost-user/libvhost-user.a libblock.fa libcrypto.fa
libauthz.fa libqom.fa libio.fa @block.syms -lgio-2.0 -lgobject-2.0
-lglib-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -pthread -lutil -lgnutls
-lm -lgthread-2.0 -lglib-2.0 /usr/lib/i386-linux-gnu/libglib-2.0.so
-liscsi -lgthread-2.0 -lglib-2.0 -laio -lcurl
/usr/lib/i386-linux-gnu/libz.so -lrbd -lrados -lnettle -lgnutls
-Wl,--end-group
libblock.fa(block_io.c.o): In function `stat64_max':
include/qemu/stats64.h:58: undefined reference to `__atomic_load_8'
include/qemu/stats64.h:60: undefined reference to
`__atomic_compare_exchange_8'
libblock.fa(block_qapi.c.o): In function `stat64_get':
include/qemu/stats64.h:40: undefined reference to `__atomic_load_8'
libqemuutil.a(util_qsp.c.o): In function `qatomic_set_u64':
include/qemu/atomic.h:478: undefined reference to `__atomic_store_8'
libqemuutil.a(util_qsp.c.o): In function `qatomic_read_u64':
include/qemu/atomic.h:468: undefined reference to `__atomic_load_8'
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
Issue previously reported on the list here:
https://<email address hidden>/msg770128.html
This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'invalid' now.
Please continue with the discussion here:
https://gitlab.com/qemu-project/qemu/-/issues/235
|