134 lines
5.5 KiB
C++
134 lines
5.5 KiB
C++
//===-- asan_interface_internal.h -------------------------------*- C++ -*-===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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// This header can be included by the instrumented program to fetch
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// data (mostly allocator statistics) from ASan runtime library.
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//===----------------------------------------------------------------------===//
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#ifndef ASAN_INTERFACE_INTERNAL_H
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#define ASAN_INTERFACE_INTERNAL_H
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#include "sanitizer_common/sanitizer_internal_defs.h"
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using __sanitizer::uptr;
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extern "C" {
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// This function should be called at the very beginning of the process,
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// before any instrumented code is executed and before any call to malloc.
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// Everytime the asan ABI changes we also change the version number in this
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// name. Objects build with incompatible asan ABI version
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// will not link with run-time.
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void __asan_init_v1() SANITIZER_INTERFACE_ATTRIBUTE;
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#define __asan_init __asan_init_v1
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// This structure describes an instrumented global variable.
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struct __asan_global {
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uptr beg; // The address of the global.
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uptr size; // The original size of the global.
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uptr size_with_redzone; // The size with the redzone.
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const char *name; // Name as a C string.
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uptr has_dynamic_init; // Non-zero if the global has dynamic initializer.
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};
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// These two functions should be called by the instrumented code.
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// 'globals' is an array of structures describing 'n' globals.
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void __asan_register_globals(__asan_global *globals, uptr n)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_unregister_globals(__asan_global *globals, uptr n)
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SANITIZER_INTERFACE_ATTRIBUTE;
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// These two functions should be called before and after dynamic initializers
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// run, respectively. They should be called with parameters describing all
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// dynamically initialized globals defined in the calling TU.
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void __asan_before_dynamic_init(uptr first_addr, uptr last_addr)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_after_dynamic_init()
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SANITIZER_INTERFACE_ATTRIBUTE;
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// These two functions are used by the instrumented code in the
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// use-after-return mode. __asan_stack_malloc allocates size bytes of
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// fake stack and __asan_stack_free poisons it. real_stack is a pointer to
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// the real stack region.
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uptr __asan_stack_malloc(uptr size, uptr real_stack)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_stack_free(uptr ptr, uptr size, uptr real_stack)
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SANITIZER_INTERFACE_ATTRIBUTE;
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// These two functions are used by instrumented code in the
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// use-after-scope mode. They mark memory for local variables as
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// unaddressable when they leave scope and addressable before the
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// function exits.
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void __asan_poison_stack_memory(uptr addr, uptr size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_unpoison_stack_memory(uptr addr, uptr size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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// Performs cleanup before a NoReturn function. Must be called before things
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// like _exit and execl to avoid false positives on stack.
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void __asan_handle_no_return() SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_poison_memory_region(void const volatile *addr, uptr size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_unpoison_memory_region(void const volatile *addr, uptr size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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bool __asan_address_is_poisoned(void const volatile *addr)
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SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_region_is_poisoned(uptr beg, uptr size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_describe_address(uptr addr)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_report_error(uptr pc, uptr bp, uptr sp,
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uptr addr, bool is_write, uptr access_size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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int __asan_set_error_exit_code(int exit_code)
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_set_death_callback(void (*callback)(void))
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_set_error_report_callback(void (*callback)(const char*))
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SANITIZER_INTERFACE_ATTRIBUTE;
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/* OPTIONAL */ void __asan_on_error()
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SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE;
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/* OPTIONAL */ bool __asan_symbolize(const void *pc, char *out_buffer,
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int out_size)
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SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_get_estimated_allocated_size(uptr size)
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SANITIZER_INTERFACE_ATTRIBUTE;
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bool __asan_get_ownership(const void *p)
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SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_get_allocated_size(const void *p)
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SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_get_current_allocated_bytes()
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SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_get_heap_size()
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SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_get_free_bytes()
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SANITIZER_INTERFACE_ATTRIBUTE;
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uptr __asan_get_unmapped_bytes()
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SANITIZER_INTERFACE_ATTRIBUTE;
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void __asan_print_accumulated_stats()
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SANITIZER_INTERFACE_ATTRIBUTE;
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/* OPTIONAL */ const char* __asan_default_options()
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SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE;
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/* OPTIONAL */ void __asan_malloc_hook(void *ptr, uptr size)
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SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE;
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/* OPTIONAL */ void __asan_free_hook(void *ptr)
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SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE;
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} // extern "C"
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#endif // ASAN_INTERFACE_INTERNAL_H
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