21d38c5eaf
This is another enabler patch to support value profiling without dynamic memory allocation. llvm-svn: 269719
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/*===- InstrProfilingUtil.c - Support library for PGO instrumentation -----===*\
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|*
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|* The LLVM Compiler Infrastructure
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|*
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|* This file is distributed under the University of Illinois Open Source
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|* License. See LICENSE.TXT for details.
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|*
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\*===----------------------------------------------------------------------===*/
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#include "InstrProfilingUtil.h"
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#include "InstrProfiling.h"
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#ifdef _WIN32
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#include <direct.h>
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#else
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#include <sys/stat.h>
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#include <sys/types.h>
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#endif
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#ifdef COMPILER_RT_HAS_UNAME
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#include <sys/utsname.h>
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#endif
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#include <string.h>
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COMPILER_RT_VISIBILITY
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void __llvm_profile_recursive_mkdir(char *path) {
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int i;
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for (i = 1; path[i] != '\0'; ++i) {
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char save = path[i];
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if (!(path[i] == '/' || path[i] == '\\'))
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continue;
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path[i] = '\0';
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#ifdef _WIN32
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_mkdir(path);
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#else
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mkdir(path, 0755); /* Some of these will fail, ignore it. */
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#endif
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path[i] = save;
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}
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}
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#if COMPILER_RT_HAS_ATOMICS != 1
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COMPILER_RT_VISIBILITY
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uint32_t lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV) {
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void *R = *Ptr;
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if (R == OldV) {
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*Ptr = NewV;
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return 1;
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}
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return 0;
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}
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COMPILER_RT_VISIBILITY
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void *lprofPtrFetchAdd(void **Mem, long ByteIncr) {
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void *Old = *Mem;
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*((char **)Mem) += ByteIncr;
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return Old;
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}
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#endif
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#ifdef COMPILER_RT_HAS_UNAME
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int lprofGetHostName(char *Name, int Len) {
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struct utsname N;
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int R;
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if (!(R = uname(&N)))
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strncpy(Name, N.nodename, Len);
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return R;
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}
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#endif
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