src/compiler-rt/lib/esan/esan_interface.cpp

   1 //===-- esan_interface.cpp ------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file is a part of EfficiencySanitizer, a family of performance tuners.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "esan_interface_internal.h"
  15 #include "esan.h"
  16 #include "sanitizer_common/sanitizer_internal_defs.h"
  17
  18 using namespace __esan; // NOLINT
  19
  20 void __esan_init(ToolType Tool, void *Ptr) {
  21   if (Tool != __esan_which_tool) {
  22     Printf("ERROR: tool mismatch: %d vs %d\n", Tool, __esan_which_tool);
  23     Die();
  24   }
  25   initializeLibrary(Tool);
  26   processCompilationUnitInit(Ptr);
  27 }
  28
  29 void __esan_exit(void *Ptr) {
  30   processCompilationUnitExit(Ptr);
  31 }
  32
  33 void __esan_aligned_load1(void *Addr) {
  34   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 1, false);
  35 }
  36
  37 void __esan_aligned_load2(void *Addr) {
  38   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 2, false);
  39 }
  40
  41 void __esan_aligned_load4(void *Addr) {
  42   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 4, false);
  43 }
  44
  45 void __esan_aligned_load8(void *Addr) {
  46   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 8, false);
  47 }
  48
  49 void __esan_aligned_load16(void *Addr) {
  50   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 16, false);
  51 }
  52
  53 void __esan_aligned_store1(void *Addr) {
  54   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 1, true);
  55 }
  56
  57 void __esan_aligned_store2(void *Addr) {
  58   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 2, true);
  59 }
  60
  61 void __esan_aligned_store4(void *Addr) {
  62   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 4, true);
  63 }
  64
  65 void __esan_aligned_store8(void *Addr) {
  66   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 8, true);
  67 }
  68
  69 void __esan_aligned_store16(void *Addr) {
  70   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 16, true);
  71 }
  72
  73 void __esan_unaligned_load2(void *Addr) {
  74   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 2, false);
  75 }
  76
  77 void __esan_unaligned_load4(void *Addr) {
  78   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 4, false);
  79 }
  80
  81 void __esan_unaligned_load8(void *Addr) {
  82   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 8, false);
  83 }
  84
  85 void __esan_unaligned_load16(void *Addr) {
  86   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 16, false);
  87 }
  88
  89 void __esan_unaligned_store2(void *Addr) {
  90   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 2, true);
  91 }
  92
  93 void __esan_unaligned_store4(void *Addr) {
  94   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 4, true);
  95 }
  96
  97 void __esan_unaligned_store8(void *Addr) {
  98   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 8, true);
  99 }
 100
 101 void __esan_unaligned_store16(void *Addr) {
 102   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, 16, true);
 103 }
 104
 105 void __esan_unaligned_loadN(void *Addr, uptr Size) {
 106   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, Size, false);
 107 }
 108
 109 void __esan_unaligned_storeN(void *Addr, uptr Size) {
 110   processRangeAccess(GET_CALLER_PC(), (uptr)Addr, Size, true);
 111 }
 112
 113 // Public interface:
 114 extern "C" {
 115 SANITIZER_INTERFACE_ATTRIBUTE void __esan_report() {
 116   reportResults();
 117 }
 118
 119 SANITIZER_INTERFACE_ATTRIBUTE unsigned int __esan_get_sample_count() {
 120   return getSampleCount();
 121 }
 122 } // extern "C"