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//===-- sanitizer/common_interface_defs.h -----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common part of the public sanitizer interface.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_COMMON_INTERFACE_DEFS_H
#define SANITIZER_COMMON_INTERFACE_DEFS_H
#include <stddef.h>
#include <stdint.h>
// GCC does not understand __has_feature.
#if !defined(__has_feature)
# define __has_feature(x) 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
// Tell the tools to write their reports to "path.<pid>" instead of stderr.
void __sanitizer_set_report_path(const char *path);
// Notify the tools that the sandbox is going to be turned on. The reserved
// parameter will be used in the future to hold a structure with functions
// that the tools may call to bypass the sandbox.
void __sanitizer_sandbox_on_notify(void *reserved);
// This function is called by the tool when it has just finished reporting
// an error. 'error_summary' is a one-line string that summarizes
// the error message. This function can be overridden by the client.
void __sanitizer_report_error_summary(const char *error_summary);
// Some of the sanitizers (e.g. asan/tsan) may miss bugs that happen
// in unaligned loads/stores. In order to find such bugs reliably one needs
// to replace plain unaligned loads/stores with these calls.
uint16_t __sanitizer_unaligned_load16(const void *p);
uint32_t __sanitizer_unaligned_load32(const void *p);
uint64_t __sanitizer_unaligned_load64(const void *p);
void __sanitizer_unaligned_store16(void *p, uint16_t x);
void __sanitizer_unaligned_store32(void *p, uint32_t x);
void __sanitizer_unaligned_store64(void *p, uint64_t x);
// Record and dump coverage info.
void __sanitizer_cov_dump();
// Annotate the current state of a contiguous container, such as
// std::vector, std::string or similar.
// A contiguous container is a container that keeps all of its elements
// in a contiguous region of memory. The container owns the region of memory
// [beg, end); the memory [beg, mid) is used to store the current elements
// and the memory [mid, end) is reserved for future elements;
// end <= mid <= end. For example, in "std::vector<> v"
// beg = &v[0];
// end = beg + v.capacity() * sizeof(v[0]);
// mid = beg + v.size() * sizeof(v[0]);
//
// This annotation tells the Sanitizer tool about the current state of the
// container so that the tool can report errors when memory from [mid, end)
// is accessed. Insert this annotation into methods like push_back/pop_back.
// Supply the old and the new values of mid (old_mid/new_mid).
// In the initial state mid == end and so should be the final
// state when the container is destroyed or when it reallocates the storage.
//
// Use with caution and don't use for anything other than vector-like classes.
//
// For AddressSanitizer, 'beg' should be 8-aligned.
void __sanitizer_annotate_contiguous_container(void *beg, void *end,
void *old_mid, void *new_mid);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // SANITIZER_COMMON_INTERFACE_DEFS_H
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