vendor/compiler-rt/compiler-rt-r224034

1 files changed, 43 insertions, 0 deletions

diff --git a/lib/profile/InstrProfilingPlatformDarwin.c b/lib/profile/InstrProfilingPlatformDarwin.c
new file mode 100644
index 0000000000000..02299cc4630c0
--- /dev/null
+++ b/lib/profile/InstrProfilingPlatformDarwin.c
@@ -0,0 +1,43 @@
+/*===- InstrProfilingPlatformDarwin.c - Profile data on Darwin ------------===*\
+|*
+|*                     The LLVM Compiler Infrastructure
+|*
+|* This file is distributed under the University of Illinois Open Source
+|* License. See LICENSE.TXT for details.
+|*
+\*===----------------------------------------------------------------------===*/
+
+#include "InstrProfiling.h"
+
+#if defined(__APPLE__)
+/* Use linker magic to find the bounds of the Data section. */
+__attribute__((visibility("hidden")))
+extern __llvm_profile_data DataStart __asm("section$start$__DATA$__llvm_prf_data");
+__attribute__((visibility("hidden")))
+extern __llvm_profile_data DataEnd   __asm("section$end$__DATA$__llvm_prf_data");
+__attribute__((visibility("hidden")))
+extern char NamesStart __asm("section$start$__DATA$__llvm_prf_names");
+__attribute__((visibility("hidden")))
+extern char NamesEnd   __asm("section$end$__DATA$__llvm_prf_names");
+__attribute__((visibility("hidden")))
+extern uint64_t CountersStart __asm("section$start$__DATA$__llvm_prf_cnts");
+__attribute__((visibility("hidden")))
+extern uint64_t CountersEnd   __asm("section$end$__DATA$__llvm_prf_cnts");
+
+__attribute__((visibility("hidden")))
+const __llvm_profile_data *__llvm_profile_begin_data(void) {
+  return &DataStart;
+}
+__attribute__((visibility("hidden")))
+const __llvm_profile_data *__llvm_profile_end_data(void) {
+  return &DataEnd;
+}
+__attribute__((visibility("hidden")))
+const char *__llvm_profile_begin_names(void) { return &NamesStart; }
+__attribute__((visibility("hidden")))
+const char *__llvm_profile_end_names(void) { return &NamesEnd; }
+__attribute__((visibility("hidden")))
+uint64_t *__llvm_profile_begin_counters(void) { return &CountersStart; }
+__attribute__((visibility("hidden")))
+uint64_t *__llvm_profile_end_counters(void) { return &CountersEnd; }
+#endif