1 files changed, 59 insertions, 0 deletions
diff --git a/lib/profile/InstrProfilingPlatformOther.c b/lib/profile/InstrProfilingPlatformOther.c
new file mode 100644
index 000000000..d39f39f37
--- /dev/null
+++ b/lib/profile/InstrProfilingPlatformOther.c
@@ -0,0 +1,59 @@
+/*===- InstrProfilingDefault.c - Profile data default platfrom ------------===*\
+|*
+|*                     The LLVM Compiler Infrastructure
+|*
+|* This file is distributed under the University of Illinois Open Source
+|* License. See LICENSE.TXT for details.
+|*
+\*===----------------------------------------------------------------------===*/
+
+#include "InstrProfiling.h"
+
+static const __llvm_pgo_data *DataFirst = NULL;
+static const __llvm_pgo_data *DataLast = NULL;
+static const char *NamesFirst = NULL;
+static const char *NamesLast = NULL;
+static const uint64_t *CountersFirst = NULL;
+static const uint64_t *CountersLast = NULL;
+
+/*!
+ * \brief Register an instrumented function.
+ *
+ * Calls to this are emitted by clang with -fprofile-instr-generate.  Such
+ * calls are only required (and only emitted) on targets where we haven't
+ * implemented linker magic to find the bounds of the sections.
+ */
+void __llvm_pgo_register_function(void *Data_) {
+  /* TODO: Only emit this function if we can't use linker magic. */
+  const __llvm_pgo_data *Data = (__llvm_pgo_data*)Data_;
+  if (!DataFirst) {
+    DataFirst = Data;
+    DataLast = Data + 1;
+    NamesFirst = Data->Name;
+    NamesLast = Data->Name + Data->NameSize;
+    CountersFirst = Data->Counters;
+    CountersLast = Data->Counters + Data->NumCounters;
+    return;
+  }
+
+#define UPDATE_FIRST(First, New) \
+  First = New < First ? New : First
+  UPDATE_FIRST(DataFirst, Data);
+  UPDATE_FIRST(NamesFirst, Data->Name);
+  UPDATE_FIRST(CountersFirst, Data->Counters);
+#undef UPDATE_FIRST
+
+#define UPDATE_LAST(Last, New) \
+  Last = New > Last ? New : Last
+  UPDATE_LAST(DataLast, Data + 1);
+  UPDATE_LAST(NamesLast, Data->Name + Data->NameSize);
+  UPDATE_LAST(CountersLast, Data->Counters + Data->NumCounters);
+#undef UPDATE_LAST
+}
+
+const __llvm_pgo_data *__llvm_pgo_data_begin() { return DataFirst; }
+const __llvm_pgo_data *__llvm_pgo_data_end() { return DataLast; }
+const char *__llvm_pgo_names_begin() { return NamesFirst; }
+const char *__llvm_pgo_names_end() { return NamesLast; }
+const uint64_t *__llvm_pgo_counters_begin() { return CountersFirst; }
+const uint64_t *__llvm_pgo_counters_end() { return CountersLast; }