[PATCH] [LSan] [MIPS] adding support of LSan for mips64/mips64el arch

[Kostya Serebryany]

REPOSITORY
  rL LLVM

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Comment at: lib/sanitizer_common/sanitizer_linux_libcdep.cc:166
@@ +165,3 @@
+#if defined(__mips__)
+uptr TlsPreTcbSize() {
+  const uptr kTcbHead = 16;
----------------
Please add a comment and/or a more descriptive name. 


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Comment at: lib/sanitizer_common/sanitizer_linux_libcdep.cc:186
@@ -176,1 +185,3 @@
   get_tls(&tls_size, &tls_align);
+#if defined(__mips__)
+  uptr kDlTlsStaticAlign = 16;
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Can we avoid an ifdef here? 

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Comment at: lib/sanitizer_common/sanitizer_linux_libcdep.cc:188
@@ +187,3 @@
+  uptr kDlTlsStaticAlign = 16;
+  g_tls_size = ((tls_size + TlsPreTcbSize() + kDlTlsStaticAlign -1)
+                 & ~(kDlTlsStaticAlign - 1));
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can you pull this logic inside TlsPreTcbSize?

http://reviews.llvm.org/D7013

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