diff options
Diffstat (limited to 'libsanitizer/asan/asan_interface_internal.h')
| -rw-r--r-- | libsanitizer/asan/asan_interface_internal.h | 141 |
1 files changed, 68 insertions, 73 deletions
diff --git a/libsanitizer/asan/asan_interface_internal.h b/libsanitizer/asan/asan_interface_internal.h index 2fd58b8..7deed9f 100644 --- a/libsanitizer/asan/asan_interface_internal.h +++ b/libsanitizer/asan/asan_interface_internal.h @@ -23,8 +23,13 @@ extern "C" { // Everytime the asan ABI changes we also change the version number in this // name. Objects build with incompatible asan ABI version // will not link with run-time. - void __asan_init_v1() SANITIZER_INTERFACE_ATTRIBUTE; - #define __asan_init __asan_init_v1 + // Changes between ABI versions: + // v1=>v2: added 'module_name' to __asan_global + // v2=>v3: stack frame description (created by the compiler) + // contains the function PC as the 3-rd field (see + // DescribeAddressIfStack). + SANITIZER_INTERFACE_ATTRIBUTE void __asan_init_v3(); + #define __asan_init __asan_init_v3 // This structure describes an instrumented global variable. struct __asan_global { @@ -32,102 +37,92 @@ extern "C" { uptr size; // The original size of the global. uptr size_with_redzone; // The size with the redzone. const char *name; // Name as a C string. + const char *module_name; // Module name as a C string. This pointer is a + // unique identifier of a module. uptr has_dynamic_init; // Non-zero if the global has dynamic initializer. }; // These two functions should be called by the instrumented code. // 'globals' is an array of structures describing 'n' globals. - void __asan_register_globals(__asan_global *globals, uptr n) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_unregister_globals(__asan_global *globals, uptr n) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_register_globals(__asan_global *globals, uptr n); + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_unregister_globals(__asan_global *globals, uptr n); // These two functions should be called before and after dynamic initializers - // run, respectively. They should be called with parameters describing all - // dynamically initialized globals defined in the calling TU. - void __asan_before_dynamic_init(uptr first_addr, uptr last_addr) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_after_dynamic_init() - SANITIZER_INTERFACE_ATTRIBUTE; - - // These two functions are used by the instrumented code in the - // use-after-return mode. __asan_stack_malloc allocates size bytes of - // fake stack and __asan_stack_free poisons it. real_stack is a pointer to - // the real stack region. - uptr __asan_stack_malloc(uptr size, uptr real_stack) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_stack_free(uptr ptr, uptr size, uptr real_stack) - SANITIZER_INTERFACE_ATTRIBUTE; + // of a single module run, respectively. + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_before_dynamic_init(const char *module_name); + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_after_dynamic_init(); // These two functions are used by instrumented code in the // use-after-scope mode. They mark memory for local variables as // unaddressable when they leave scope and addressable before the // function exits. - void __asan_poison_stack_memory(uptr addr, uptr size) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_unpoison_stack_memory(uptr addr, uptr size) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_poison_stack_memory(uptr addr, uptr size); + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_unpoison_stack_memory(uptr addr, uptr size); // Performs cleanup before a NoReturn function. Must be called before things // like _exit and execl to avoid false positives on stack. - void __asan_handle_no_return() SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE void __asan_handle_no_return(); - void __asan_poison_memory_region(void const volatile *addr, uptr size) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_unpoison_memory_region(void const volatile *addr, uptr size) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_poison_memory_region(void const volatile *addr, uptr size); + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_unpoison_memory_region(void const volatile *addr, uptr size); - bool __asan_address_is_poisoned(void const volatile *addr) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + bool __asan_address_is_poisoned(void const volatile *addr); - uptr __asan_region_is_poisoned(uptr beg, uptr size) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + uptr __asan_region_is_poisoned(uptr beg, uptr size); - void __asan_describe_address(uptr addr) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_describe_address(uptr addr); + SANITIZER_INTERFACE_ATTRIBUTE void __asan_report_error(uptr pc, uptr bp, uptr sp, - uptr addr, bool is_write, uptr access_size) - SANITIZER_INTERFACE_ATTRIBUTE; + uptr addr, bool is_write, uptr access_size); - int __asan_set_error_exit_code(int exit_code) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_set_death_callback(void (*callback)(void)) - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_set_error_report_callback(void (*callback)(const char*)) - SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE + int __asan_set_error_exit_code(int exit_code); + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_set_death_callback(void (*callback)(void)); + SANITIZER_INTERFACE_ATTRIBUTE + void __asan_set_error_report_callback(void (*callback)(const char*)); - /* OPTIONAL */ void __asan_on_error() - SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; + SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE + /* OPTIONAL */ void __asan_on_error(); + SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE /* OPTIONAL */ bool __asan_symbolize(const void *pc, char *out_buffer, - int out_size) - SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; - - uptr __asan_get_estimated_allocated_size(uptr size) - SANITIZER_INTERFACE_ATTRIBUTE; - bool __asan_get_ownership(const void *p) - SANITIZER_INTERFACE_ATTRIBUTE; - uptr __asan_get_allocated_size(const void *p) - SANITIZER_INTERFACE_ATTRIBUTE; - uptr __asan_get_current_allocated_bytes() - SANITIZER_INTERFACE_ATTRIBUTE; - uptr __asan_get_heap_size() - SANITIZER_INTERFACE_ATTRIBUTE; - uptr __asan_get_free_bytes() - SANITIZER_INTERFACE_ATTRIBUTE; - uptr __asan_get_unmapped_bytes() - SANITIZER_INTERFACE_ATTRIBUTE; - void __asan_print_accumulated_stats() - SANITIZER_INTERFACE_ATTRIBUTE; - - /* OPTIONAL */ const char* __asan_default_options() - SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; - - /* OPTIONAL */ void __asan_malloc_hook(void *ptr, uptr size) - SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; - /* OPTIONAL */ void __asan_free_hook(void *ptr) - SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; + int out_size); + + SANITIZER_INTERFACE_ATTRIBUTE + uptr __asan_get_estimated_allocated_size(uptr size); + + SANITIZER_INTERFACE_ATTRIBUTE bool __asan_get_ownership(const void *p); + SANITIZER_INTERFACE_ATTRIBUTE uptr __asan_get_allocated_size(const void *p); + SANITIZER_INTERFACE_ATTRIBUTE uptr __asan_get_current_allocated_bytes(); + SANITIZER_INTERFACE_ATTRIBUTE uptr __asan_get_heap_size(); + SANITIZER_INTERFACE_ATTRIBUTE uptr __asan_get_free_bytes(); + SANITIZER_INTERFACE_ATTRIBUTE uptr __asan_get_unmapped_bytes(); + SANITIZER_INTERFACE_ATTRIBUTE void __asan_print_accumulated_stats(); + + SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE + /* OPTIONAL */ const char* __asan_default_options(); + + SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE + /* OPTIONAL */ void __asan_malloc_hook(void *ptr, uptr size); + SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE + /* OPTIONAL */ void __asan_free_hook(void *ptr); + + // Global flag, copy of ASAN_OPTIONS=detect_stack_use_after_return + SANITIZER_INTERFACE_ATTRIBUTE + extern int __asan_option_detect_stack_use_after_return; } // extern "C" #endif // ASAN_INTERFACE_INTERNAL_H |