[compiler-rt] r272081 - [profile] Hide a few external symbols (NFCI)

Vedant Kumar via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 7 18:34:20 PDT 2016


I'll back these two changes out.

vedant

> On Jun 7, 2016, at 6:29 PM, Xinliang David Li <xinliangli at gmail.com> wrote:
> 
> 
> 
> On Tue, Jun 7, 2016 at 5:44 PM, Vedant Kumar via llvm-commits <llvm-commits at lists.llvm.org> wrote:
> Author: vedantk
> Date: Tue Jun  7 19:44:38 2016
> New Revision: 272081
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=272081&view=rev
> Log:
> [profile] Hide a few external symbols (NFCI)
> 
> There are still a few external symbols visible from InstrProfData.inc.
> The plan for dealing with those isn't as straightforward, so I'll try it
> in a separate commit.
> 
> Modified:
>     compiler-rt/trunk/lib/profile/InstrProfiling.c
>     compiler-rt/trunk/lib/profile/InstrProfilingFile.c
>     compiler-rt/trunk/lib/profile/InstrProfilingUtil.c
> 
> Modified: compiler-rt/trunk/lib/profile/InstrProfiling.c
> URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/profile/InstrProfiling.c?rev=272081&r1=272080&r2=272081&view=diff
> ==============================================================================
> --- compiler-rt/trunk/lib/profile/InstrProfiling.c (original)
> +++ compiler-rt/trunk/lib/profile/InstrProfiling.c Tue Jun  7 19:44:38 2016
> @@ -18,7 +18,8 @@
> 
>  COMPILER_RT_VISIBILITY char *(*GetEnvHook)(const char *) = 0;
> 
> -COMPILER_RT_WEAK uint64_t __llvm_profile_raw_version = INSTR_PROF_RAW_VERSION;
> +COMPILER_RT_VISIBILITY COMPILER_RT_WEAK uint64_t __llvm_profile_raw_version =
> +    INSTR_PROF_RAW_VERSION;
> 
> There is no need for this one to be hidden (see comments in  InstrProfiling.h). 
>  
> 
>  COMPILER_RT_VISIBILITY uint64_t __llvm_profile_get_magic(void) {
>    return sizeof(void *) == sizeof(uint64_t) ? (INSTR_PROF_RAW_MAGIC_64)
> 
> Modified: compiler-rt/trunk/lib/profile/InstrProfilingFile.c
> URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/profile/InstrProfilingFile.c?rev=272081&r1=272080&r2=272081&view=diff
> ==============================================================================
> --- compiler-rt/trunk/lib/profile/InstrProfilingFile.c (original)
> +++ compiler-rt/trunk/lib/profile/InstrProfilingFile.c Tue Jun  7 19:44:38 2016
> @@ -30,7 +30,7 @@ typedef struct lprofFilename {
>    unsigned NumHosts;
>  } lprofFilename;
> 
> -lprofFilename lprofCurFilename = {0, {0}, {0}, 0, 0};
> +COMPILER_RT_VISIBILITY lprofFilename lprofCurFilename = {0, {0}, {0}, 0, 0};
> 
> This changes the behavior -- the original __llvm_profile_CurrentFilename was intended to be non-hidden -- so that share libraries and main program can share the same file name. It is debatable whether this is a good behavior, but it may require a separate discussion.
> 
> David
>  
> 
>  int getpid(void);
>  static int getCurFilenameLength();
> 
> Modified: compiler-rt/trunk/lib/profile/InstrProfilingUtil.c
> URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/profile/InstrProfilingUtil.c?rev=272081&r1=272080&r2=272081&view=diff
> ==============================================================================
> --- compiler-rt/trunk/lib/profile/InstrProfilingUtil.c (original)
> +++ compiler-rt/trunk/lib/profile/InstrProfilingUtil.c Tue Jun  7 19:44:38 2016
> @@ -67,7 +67,7 @@ void *lprofPtrFetchAdd(void **Mem, long
>  #endif
> 
>  #ifdef COMPILER_RT_HAS_UNAME
> -int lprofGetHostName(char *Name, int Len) {
> +COMPILER_RT_VISIBILITY int lprofGetHostName(char *Name, int Len) {
>    struct utsname N;
>    int R;
>    if (!(R = uname(&N)))
> @@ -76,7 +76,7 @@ int lprofGetHostName(char *Name, int Len
>  }
>  #endif
> 
> -FILE *lprofOpenFileEx(const char *ProfileName) {
> +COMPILER_RT_VISIBILITY FILE *lprofOpenFileEx(const char *ProfileName) {
>    FILE *f;
>    int fd;
>  #ifdef COMPILER_RT_HAS_FCNTL_LCK
> 
> 
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