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-rw-r--r--lib/profile/CMakeLists.txt14
-rw-r--r--lib/profile/GCDAProfiling.c16
-rw-r--r--lib/profile/InstrProfiling.c6
-rw-r--r--lib/profile/InstrProfilingFile.c10
-rw-r--r--lib/profile/InstrProfilingInternal.h3
-rw-r--r--lib/profile/InstrProfilingPlatformLinux.c6
-rw-r--r--lib/profile/InstrProfilingPlatformOther.c7
-rw-r--r--lib/profile/InstrProfilingPort.h14
-rw-r--r--lib/profile/InstrProfilingUtil.c68
-rw-r--r--lib/profile/InstrProfilingUtil.h3
-rw-r--r--lib/profile/InstrProfilingValue.c8
-rw-r--r--lib/profile/InstrProfilingWriter.c5
-rw-r--r--lib/profile/WindowsMMap.c3
13 files changed, 115 insertions, 48 deletions
diff --git a/lib/profile/CMakeLists.txt b/lib/profile/CMakeLists.txt
index 342f8ee7e..91d67ec36 100644
--- a/lib/profile/CMakeLists.txt
+++ b/lib/profile/CMakeLists.txt
@@ -38,6 +38,14 @@ int main() {
" COMPILER_RT_TARGET_HAS_FCNTL_LCK)
+CHECK_CXX_SOURCE_COMPILES("
+#include <sys/utsname.h>
+int main() {
+ return 0;
+}
+
+" COMPILER_RT_TARGET_HAS_UNAME)
+
add_compiler_rt_component(profile)
set(PROFILE_SOURCES
@@ -78,6 +86,12 @@ if(COMPILER_RT_TARGET_HAS_FCNTL_LCK)
-DCOMPILER_RT_HAS_FCNTL_LCK=1)
endif()
+if(COMPILER_RT_TARGET_HAS_UNAME)
+ set(EXTRA_FLAGS
+ ${EXTRA_FLAGS}
+ -DCOMPILER_RT_HAS_UNAME=1)
+endif()
+
# This appears to be a C-only warning banning the use of locals in aggregate
# initializers. All other compilers accept this, though.
# nonstandard extension used : 'identifier' : cannot be initialized using address of automatic variable
diff --git a/lib/profile/GCDAProfiling.c b/lib/profile/GCDAProfiling.c
index 8c92546bd..ef299f002 100644
--- a/lib/profile/GCDAProfiling.c
+++ b/lib/profile/GCDAProfiling.c
@@ -20,9 +20,6 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfilingPort.h"
-#include "InstrProfilingUtil.h"
-
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@@ -34,12 +31,6 @@
#else
#include <sys/mman.h>
#include <sys/file.h>
-#ifndef MAP_FILE
-#define MAP_FILE 0
-#endif
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
#endif
#if defined(__FreeBSD__) && defined(__i386__)
@@ -65,6 +56,9 @@ typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
#endif
+#include "InstrProfiling.h"
+#include "InstrProfilingUtil.h"
+
/* #define DEBUG_GCDAPROFILING */
/*
@@ -266,7 +260,7 @@ void llvm_gcda_start_file(const char *orig_filename, const char version[4],
* same GCDA. This can fail if the filesystem doesn't support it, but in that
* case we'll just carry on with the old racy behaviour and hope for the best.
*/
- flock(fd, LOCK_EX);
+ lprofLockFd(fd);
output_file = fdopen(fd, mode);
/* Initialize the write buffer. */
@@ -465,7 +459,7 @@ void llvm_gcda_end_file() {
unmap_file();
}
- flock(fd, LOCK_UN);
+ lprofUnlockFd(fd);
fclose(output_file);
output_file = NULL;
write_buffer = NULL;
diff --git a/lib/profile/InstrProfiling.c b/lib/profile/InstrProfiling.c
index fe66fec50..00b31e1ee 100644
--- a/lib/profile/InstrProfiling.c
+++ b/lib/profile/InstrProfiling.c
@@ -7,12 +7,14 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfiling.h"
-#include "InstrProfilingInternal.h"
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+
+#include "InstrProfiling.h"
+#include "InstrProfilingInternal.h"
+
#define INSTR_PROF_VALUE_PROF_DATA
#include "InstrProfData.inc"
diff --git a/lib/profile/InstrProfilingFile.c b/lib/profile/InstrProfilingFile.c
index 8ae2b7d98..d7c0abbc1 100644
--- a/lib/profile/InstrProfilingFile.c
+++ b/lib/profile/InstrProfilingFile.c
@@ -7,9 +7,6 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfiling.h"
-#include "InstrProfilingInternal.h"
-#include "InstrProfilingUtil.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
@@ -31,6 +28,10 @@
#endif
#endif
+#include "InstrProfiling.h"
+#include "InstrProfilingInternal.h"
+#include "InstrProfilingUtil.h"
+
/* From where is profile name specified.
* The order the enumerators define their
* precedence. Re-order them may lead to
@@ -85,7 +86,6 @@ typedef struct lprofFilename {
COMPILER_RT_WEAK lprofFilename lprofCurFilename = {0, 0, 0, {0}, {0},
0, 0, 0, PNS_unknown};
-int getpid(void);
static int getCurFilenameLength();
static const char *getCurFilename(char *FilenameBuf);
static unsigned doMerging() { return lprofCurFilename.MergePoolSize; }
@@ -325,7 +325,7 @@ static int parseFilenamePattern(const char *FilenamePat,
if (FilenamePat[I] == '%') {
if (FilenamePat[++I] == 'p') {
if (!NumPids++) {
- if (snprintf(PidChars, MAX_PID_SIZE, "%d", getpid()) <= 0) {
+ if (snprintf(PidChars, MAX_PID_SIZE, "%ld", (long)getpid()) <= 0) {
PROF_WARN("Unable to get pid for filename pattern %s. Using the "
"default name.",
FilenamePat);
diff --git a/lib/profile/InstrProfilingInternal.h b/lib/profile/InstrProfilingInternal.h
index 36490ef7d..40540ab5f 100644
--- a/lib/profile/InstrProfilingInternal.h
+++ b/lib/profile/InstrProfilingInternal.h
@@ -10,8 +10,9 @@
#ifndef PROFILE_INSTRPROFILING_INTERNALH_
#define PROFILE_INSTRPROFILING_INTERNALH_
+#include <stddef.h>
+
#include "InstrProfiling.h"
-#include "stddef.h"
/*!
* \brief Write instrumentation data to the given buffer, given explicit
diff --git a/lib/profile/InstrProfilingPlatformLinux.c b/lib/profile/InstrProfilingPlatformLinux.c
index b6c780ff5..89f1ab4cf 100644
--- a/lib/profile/InstrProfilingPlatformLinux.c
+++ b/lib/profile/InstrProfilingPlatformLinux.c
@@ -7,11 +7,13 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfiling.h"
+#if defined(__linux__) || defined(__FreeBSD__) || \
+ (defined(__sun__) && defined(__svr4__))
-#if defined(__linux__) || defined(__FreeBSD__)
#include <stdlib.h>
+#include "InstrProfiling.h"
+
#define PROF_DATA_START INSTR_PROF_SECT_START(INSTR_PROF_DATA_SECT_NAME)
#define PROF_DATA_STOP INSTR_PROF_SECT_STOP(INSTR_PROF_DATA_SECT_NAME)
#define PROF_NAME_START INSTR_PROF_SECT_START(INSTR_PROF_NAME_SECT_NAME)
diff --git a/lib/profile/InstrProfilingPlatformOther.c b/lib/profile/InstrProfilingPlatformOther.c
index b25966487..a339abc7f 100644
--- a/lib/profile/InstrProfilingPlatformOther.c
+++ b/lib/profile/InstrProfilingPlatformOther.c
@@ -7,12 +7,13 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfiling.h"
-
-#if !defined(__APPLE__) && !defined(__linux__) && !defined(__FreeBSD__)
+#if !defined(__APPLE__) && !defined(__linux__) && !defined(__FreeBSD__) && \
+ !(defined(__sun__) && defined(__svr4__))
#include <stdlib.h>
+#include "InstrProfiling.h"
+
static const __llvm_profile_data *DataFirst = NULL;
static const __llvm_profile_data *DataLast = NULL;
static const char *NamesFirst = NULL;
diff --git a/lib/profile/InstrProfilingPort.h b/lib/profile/InstrProfilingPort.h
index 578935195..cd1264b0e 100644
--- a/lib/profile/InstrProfilingPort.h
+++ b/lib/profile/InstrProfilingPort.h
@@ -7,6 +7,9 @@
|*
\*===----------------------------------------------------------------------===*/
+/* This header must be included after all others so it can provide fallback
+ definitions for stuff missing in system headers. */
+
#ifndef PROFILE_INSTRPROFILING_PORT_H_
#define PROFILE_INSTRPROFILING_PORT_H_
@@ -44,9 +47,6 @@
#define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1))
#else
#define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len)
-#ifndef _MSC_VER
-#define COMPILER_RT_HAS_UNAME 1
-#endif
#endif
#if COMPILER_RT_HAS_ATOMICS == 1
@@ -107,6 +107,14 @@
#define PROF_NOTE(Format, ...) \
fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__);
+#ifndef MAP_FILE
+#define MAP_FILE 0
+#endif
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
#if defined(__FreeBSD__)
#include <inttypes.h>
diff --git a/lib/profile/InstrProfilingUtil.c b/lib/profile/InstrProfilingUtil.c
index fb68f30a5..110562383 100644
--- a/lib/profile/InstrProfilingUtil.c
+++ b/lib/profile/InstrProfilingUtil.c
@@ -7,13 +7,10 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfilingUtil.h"
-#include "InstrProfiling.h"
-
#ifdef _WIN32
#include <direct.h>
-#include <io.h>
#include <windows.h>
+#include "WindowsMMap.h"
#else
#include <sys/stat.h>
#include <sys/types.h>
@@ -34,6 +31,9 @@
#include <sys/prctl.h>
#endif
+#include "InstrProfiling.h"
+#include "InstrProfilingUtil.h"
+
COMPILER_RT_VISIBILITY
void __llvm_profile_recursive_mkdir(char *path) {
int i;
@@ -86,16 +86,16 @@ COMPILER_RT_VISIBILITY int lprofGetHostName(char *Name, int Len) {
#elif defined(COMPILER_RT_HAS_UNAME)
COMPILER_RT_VISIBILITY int lprofGetHostName(char *Name, int Len) {
struct utsname N;
- int R;
- if (!(R = uname(&N)))
+ int R = uname(&N);
+ if (R >= 0) {
strncpy(Name, N.nodename, Len);
+ return 0;
+ }
return R;
}
#endif
-COMPILER_RT_VISIBILITY FILE *lprofOpenFileEx(const char *ProfileName) {
- FILE *f;
- int fd;
+COMPILER_RT_VISIBILITY int lprofLockFd(int fd) {
#ifdef COMPILER_RT_HAS_FCNTL_LCK
struct flock s_flock;
@@ -103,21 +103,59 @@ COMPILER_RT_VISIBILITY FILE *lprofOpenFileEx(const char *ProfileName) {
s_flock.l_start = 0;
s_flock.l_len = 0; /* Until EOF. */
s_flock.l_pid = getpid();
-
s_flock.l_type = F_WRLCK;
- fd = open(ProfileName, O_RDWR | O_CREAT, 0666);
- if (fd < 0)
- return NULL;
while (fcntl(fd, F_SETLKW, &s_flock) == -1) {
if (errno != EINTR) {
if (errno == ENOLCK) {
- PROF_WARN("Data may be corrupted during profile merging : %s\n",
- "Fail to obtain file lock due to system limit.");
+ return -1;
}
break;
}
}
+ return 0;
+#else
+ flock(fd, LOCK_EX);
+ return 0;
+#endif
+}
+
+COMPILER_RT_VISIBILITY int lprofUnlockFd(int fd) {
+#ifdef COMPILER_RT_HAS_FCNTL_LCK
+ struct flock s_flock;
+
+ s_flock.l_whence = SEEK_SET;
+ s_flock.l_start = 0;
+ s_flock.l_len = 0; /* Until EOF. */
+ s_flock.l_pid = getpid();
+ s_flock.l_type = F_UNLCK;
+
+ while (fcntl(fd, F_SETLKW, &s_flock) == -1) {
+ if (errno != EINTR) {
+ if (errno == ENOLCK) {
+ return -1;
+ }
+ break;
+ }
+ }
+ return 0;
+#else
+ flock(fd, LOCK_UN);
+ return 0;
+#endif
+}
+
+COMPILER_RT_VISIBILITY FILE *lprofOpenFileEx(const char *ProfileName) {
+ FILE *f;
+ int fd;
+#ifdef COMPILER_RT_HAS_FCNTL_LCK
+ fd = open(ProfileName, O_RDWR | O_CREAT, 0666);
+ if (fd < 0)
+ return NULL;
+
+ if (lprofLockFd(fd) != 0)
+ PROF_WARN("Data may be corrupted during profile merging : %s\n",
+ "Fail to obtain file lock due to system limit.");
f = fdopen(fd, "r+b");
#elif defined(_WIN32)
diff --git a/lib/profile/InstrProfilingUtil.h b/lib/profile/InstrProfilingUtil.h
index 969859960..2f2ea1b87 100644
--- a/lib/profile/InstrProfilingUtil.h
+++ b/lib/profile/InstrProfilingUtil.h
@@ -16,6 +16,9 @@
/*! \brief Create a directory tree. */
void __llvm_profile_recursive_mkdir(char *Pathname);
+int lprofLockFd(int fd);
+int lprofUnlockFd(int fd);
+
/*! Open file \c Filename for read+write with write
* lock for exclusive access. The caller will block
* if the lock is already held by another process. */
diff --git a/lib/profile/InstrProfilingValue.c b/lib/profile/InstrProfilingValue.c
index 4bc7bb601..3db0de8a6 100644
--- a/lib/profile/InstrProfilingValue.c
+++ b/lib/profile/InstrProfilingValue.c
@@ -7,13 +7,15 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfiling.h"
-#include "InstrProfilingInternal.h"
-#include "InstrProfilingUtil.h" /* For PS4 getenv shim. */
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+
+#include "InstrProfiling.h"
+#include "InstrProfilingInternal.h"
+#include "InstrProfilingUtil.h"
+
#define INSTR_PROF_VALUE_PROF_DATA
#define INSTR_PROF_COMMON_API_IMPL
#include "InstrProfData.inc"
diff --git a/lib/profile/InstrProfilingWriter.c b/lib/profile/InstrProfilingWriter.c
index d4c9b9bd6..7c6061d2c 100644
--- a/lib/profile/InstrProfilingWriter.c
+++ b/lib/profile/InstrProfilingWriter.c
@@ -7,14 +7,15 @@
|*
\*===----------------------------------------------------------------------===*/
-#include "InstrProfiling.h"
-#include "InstrProfilingInternal.h"
#ifdef _MSC_VER
/* For _alloca */
#include <malloc.h>
#endif
#include <string.h>
+#include "InstrProfiling.h"
+#include "InstrProfilingInternal.h"
+
#define INSTR_PROF_VALUE_PROF_DATA
#include "InstrProfData.inc"
diff --git a/lib/profile/WindowsMMap.c b/lib/profile/WindowsMMap.c
index 0c534710b..dc87a888a 100644
--- a/lib/profile/WindowsMMap.c
+++ b/lib/profile/WindowsMMap.c
@@ -18,11 +18,12 @@
#if defined(_WIN32)
#include "WindowsMMap.h"
-#include "InstrProfiling.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
+#include "InstrProfiling.h"
+
#ifdef __USE_FILE_OFFSET64
# define DWORD_HI(x) (x >> 32)
# define DWORD_LO(x) ((x) & 0xffffffff)