summaryrefslogtreecommitdiff
path: root/lib/profile/InstrProfilingPlatformDarwin.c
blob: 23bdb7f37179d6feb83c29680685af3e0a65f8be (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
67
/*===- InstrProfilingPlatformDarwin.c - Profile data on Darwin ------------===*\
|*
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|* See https://llvm.org/LICENSE.txt for license information.
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|*
\*===----------------------------------------------------------------------===*/

#include "InstrProfiling.h"

#if defined(__APPLE__)
/* Use linker magic to find the bounds of the Data section. */
COMPILER_RT_VISIBILITY
extern __llvm_profile_data
    DataStart __asm("section$start$__DATA$" INSTR_PROF_DATA_SECT_NAME);
COMPILER_RT_VISIBILITY
extern __llvm_profile_data
    DataEnd __asm("section$end$__DATA$" INSTR_PROF_DATA_SECT_NAME);
COMPILER_RT_VISIBILITY
extern char
    NamesStart __asm("section$start$__DATA$" INSTR_PROF_NAME_SECT_NAME);
COMPILER_RT_VISIBILITY
extern char NamesEnd __asm("section$end$__DATA$" INSTR_PROF_NAME_SECT_NAME);
COMPILER_RT_VISIBILITY
extern uint64_t
    CountersStart __asm("section$start$__DATA$" INSTR_PROF_CNTS_SECT_NAME);
COMPILER_RT_VISIBILITY
extern uint64_t
    CountersEnd __asm("section$end$__DATA$" INSTR_PROF_CNTS_SECT_NAME);
COMPILER_RT_VISIBILITY
extern uint32_t
    OrderFileStart __asm("section$start$__DATA$" INSTR_PROF_ORDERFILE_SECT_NAME);

COMPILER_RT_VISIBILITY
extern ValueProfNode
    VNodesStart __asm("section$start$__DATA$" INSTR_PROF_VNODES_SECT_NAME);
COMPILER_RT_VISIBILITY
extern ValueProfNode
    VNodesEnd __asm("section$end$__DATA$" INSTR_PROF_VNODES_SECT_NAME);

COMPILER_RT_VISIBILITY
const __llvm_profile_data *__llvm_profile_begin_data(void) {
  return &DataStart;
}
COMPILER_RT_VISIBILITY
const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; }
COMPILER_RT_VISIBILITY
const char *__llvm_profile_begin_names(void) { return &NamesStart; }
COMPILER_RT_VISIBILITY
const char *__llvm_profile_end_names(void) { return &NamesEnd; }
COMPILER_RT_VISIBILITY
uint64_t *__llvm_profile_begin_counters(void) { return &CountersStart; }
COMPILER_RT_VISIBILITY
uint64_t *__llvm_profile_end_counters(void) { return &CountersEnd; }
COMPILER_RT_VISIBILITY
uint32_t *__llvm_profile_begin_orderfile(void) { return &OrderFileStart; }

COMPILER_RT_VISIBILITY
ValueProfNode *__llvm_profile_begin_vnodes(void) {
  return &VNodesStart;
}
COMPILER_RT_VISIBILITY
ValueProfNode *__llvm_profile_end_vnodes(void) { return &VNodesEnd; }

COMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = &VNodesStart;
COMPILER_RT_VISIBILITY ValueProfNode *EndVNode = &VNodesEnd;
#endif