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Copy libsanitizer from llvm at revision 167890

Message ID CAMe9rOqZ22MH3=TSrpC_2Zm58jB3WwU0qPVvqjks9xAiTgQyFw@mail.gmail.com
State New
Headers show

Commit Message

H.J. Lu Nov. 14, 2012, 1:36 p.m. UTC 
On Wed, Nov 14, 2012 at 5:25 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Wed, Nov 14, 2012 at 04:26:09AM -0800, H.J. Lu wrote:
>> 2012-11-14  H.J. Lu  <hongjiu.lu@intel.com>
>>
>>       * Copied from llvm at revision 167890.
>>
>> diff --git a/libsanitizer/asan/asan_allocator.cc b/libsanitizer/asan/asan_allocator.cc
>> index 3a92802..de37137 100644
>> --- a/libsanitizer/asan/asan_allocator.cc
>> +++ b/libsanitizer/asan/asan_allocator.cc
>> @@ -1,5 +1,7 @@
>>  //===-- asan_allocator.cc -------------------------------------------------===//
>>  //
>> +//                     The LLVM Compiler Infrastructure
>> +//
>
> I believe all these lines were striped off intentationally, Wei should know
> better.  So we shouldn't reintroduce them.
>

I withdrew my patch.  I am applying this.  Instead,
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Patch

--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc
@@ -34,7 +36,7 @@  namespace __sanitizer {
 // --------------- sanitizer_libc.h
 void *internal_mmap(void *addr, uptr length, int prot, int flags,
                     int fd, u64 offset) {
-#if __WORDSIZE == 64
+#if defined __x86_64__
   return (void *)syscall(__NR_mmap, addr, length, prot, flags, fd, offset);
 #else
   return (void *)syscall(__NR_mmap2, addr, length, prot, flags, fd, offset);
@@ -67,7 +69,7 @@  uptr internal_write(fd_t fd, const void *buf, uptr count) {
 }

 uptr internal_filesize(fd_t fd) {
-#if __WORDSIZE == 64
+#if defined __x86_64__
   struct stat st;
   if (syscall(__NR_fstat, fd, &st))
     return -1;