libsanitizer/sanitizer_common/sanitizer_interface_internal.h

   1 //===-- sanitizer_interface_internal.h --------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is shared between run-time libraries of sanitizers.
  10 //
  11 // This header declares the sanitizer runtime interface functions.
  12 // The runtime library has to define these functions so the instrumented program
  13 // could call them.
  14 //
  15 // See also include/sanitizer/common_interface_defs.h
  16 //===----------------------------------------------------------------------===//
  17 #ifndef SANITIZER_INTERFACE_INTERNAL_H
  18 #define SANITIZER_INTERFACE_INTERNAL_H
  19
  20 #include "sanitizer_internal_defs.h"
  21
  22 extern "C" {
  23   // Tell the tools to write their reports to "path.<pid>" instead of stderr.
  24   // The special values are "stdout" and "stderr".
  25   SANITIZER_INTERFACE_ATTRIBUTE
  26   void __sanitizer_set_report_path(const char *path);
  27   // Tell the tools to write their reports to the provided file descriptor
  28   // (casted to void *).
  29   SANITIZER_INTERFACE_ATTRIBUTE
  30   void __sanitizer_set_report_fd(void *fd);
  31
  32   typedef struct {
  33       int coverage_sandboxed;
  34       __sanitizer::sptr coverage_fd;
  35       unsigned int coverage_max_block_size;
  36   } __sanitizer_sandbox_arguments;
  37
  38   // Notify the tools that the sandbox is going to be turned on.
  39   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE void
  40       __sanitizer_sandbox_on_notify(__sanitizer_sandbox_arguments *args);
  41
  42   // This function is called by the tool when it has just finished reporting
  43   // an error. 'error_summary' is a one-line string that summarizes
  44   // the error message. This function can be overridden by the client.
  45   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  46   void __sanitizer_report_error_summary(const char *error_summary);
  47
  48   SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_cov_dump();
  49   SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_dump_coverage(
  50       const __sanitizer::uptr *pcs, const __sanitizer::uptr len);
  51   SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_dump_trace_pc_guard_coverage();
  52
  53   SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_cov(__sanitizer::u32 *guard);
  54
  55   // Returns 1 on the first call, then returns 0 thereafter.  Called by the tool
  56   // to ensure only one report is printed when multiple errors occur
  57   // simultaneously.
  58   SANITIZER_INTERFACE_ATTRIBUTE int __sanitizer_acquire_crash_state();
  59
  60   SANITIZER_INTERFACE_ATTRIBUTE
  61   void __sanitizer_annotate_contiguous_container(const void *beg,
  62                                                  const void *end,
  63                                                  const void *old_mid,
  64                                                  const void *new_mid);
  65   SANITIZER_INTERFACE_ATTRIBUTE
  66   int __sanitizer_verify_contiguous_container(const void *beg, const void *mid,
  67                                               const void *end);
  68   SANITIZER_INTERFACE_ATTRIBUTE
  69   const void *__sanitizer_contiguous_container_find_bad_address(
  70       const void *beg, const void *mid, const void *end);
  71
  72   SANITIZER_INTERFACE_ATTRIBUTE
  73   int __sanitizer_get_module_and_offset_for_pc(
  74       __sanitizer::uptr pc, char *module_path,
  75       __sanitizer::uptr module_path_len, __sanitizer::uptr *pc_offset);
  76
  77   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  78   void __sanitizer_cov_trace_cmp();
  79   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  80   void __sanitizer_cov_trace_cmp1();
  81   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  82   void __sanitizer_cov_trace_cmp2();
  83   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  84   void __sanitizer_cov_trace_cmp4();
  85   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  86   void __sanitizer_cov_trace_cmp8();
  87   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  88   void __sanitizer_cov_trace_const_cmp1();
  89   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  90   void __sanitizer_cov_trace_const_cmp2();
  91   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  92   void __sanitizer_cov_trace_const_cmp4();
  93   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  94   void __sanitizer_cov_trace_const_cmp8();
  95   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  96   void __sanitizer_cov_trace_switch();
  97   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  98   void __sanitizer_cov_trace_div4();
  99   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 100   void __sanitizer_cov_trace_div8();
 101   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 102   void __sanitizer_cov_trace_gep();
 103   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 104   void __sanitizer_cov_trace_pc_indir();
 105   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 106   void __sanitizer_cov_trace_pc_guard(__sanitizer::u32*);
 107   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 108   void __sanitizer_cov_trace_pc_guard_init(__sanitizer::u32*,
 109                                            __sanitizer::u32*);
 110   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
 111   void __sanitizer_cov_8bit_counters_init();
 112   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE void
 113   __sanitizer_cov_bool_flag_init();
 114   SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE void
 115   __sanitizer_cov_pcs_init();
 116 } // extern "C"
 117
 118 #endif  // SANITIZER_INTERFACE_INTERNAL_H