blob: a45376e7bc2bc6469bbbed0e9c078a73472e04a2 (
plain)
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
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2011-2019 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/>. */
#ifdef SYMBOL_PREFIX
#define SYMBOL(str) SYMBOL_PREFIX #str
#else
#define SYMBOL(str) #str
#endif
/* FAST_TRACEPOINT_LABEL expands to an assembly instruction large enough to fit
a fast tracepoint jump. The parameter is the label where we'll set
tracepoints and breakpoints. */
/* Please keep gdb_trace_common_supports_arch in lib/trace-support.exp
in sync when adding new targets to this file. */
#if (defined __x86_64__ || defined __i386__)
static void
x86_trace_dummy ()
{
int x = 0;
int y = x + 4;
}
#define FAST_TRACEPOINT_LABEL(name) \
asm (" .global " SYMBOL(name) "\n" \
SYMBOL(name) ":\n" \
" call " SYMBOL(x86_trace_dummy) "\n" \
)
#elif (defined __aarch64__) || (defined __powerpc__)
#define FAST_TRACEPOINT_LABEL(name) \
asm (" .global " SYMBOL(name) "\n" \
SYMBOL(name) ":\n" \
" nop\n" \
)
#elif (defined __s390__)
#define FAST_TRACEPOINT_LABEL(name) \
asm (" .global " SYMBOL(name) "\n" \
SYMBOL(name) ":\n" \
" mvc 0(8, %r15), 0(%r15)\n" \
)
#else
#error "unsupported architecture for trace tests"
#endif
|
