Add support for address sanitizer for amd64 and arm64.

This commit is contained in:
Samuel Williams 2022-05-19 23:03:49 +12:00
parent d020334e9e
commit 901525b107
Notes: git 2022-05-25 12:24:51 +09:00
4 changed files with 205 additions and 2 deletions

View file

@ -19,10 +19,29 @@
enum {COROUTINE_REGISTERS = 6};
#if defined(__SANITIZE_ADDRESS__)
#define COROUTINE_SANITIZE_ADDRESS
#elif defined(__has_feature)
#if __has_feature(address_sanitizer)
#define COROUTINE_SANITIZE_ADDRESS
#endif
#endif
#if defined(COROUTINE_SANITIZE_ADDRESS)
#include <sanitizer/common_interface_defs.h>
#include <sanitizer/asan_interface.h>
#endif
struct coroutine_context
{
void **stack_pointer;
void *argument;
#if defined(COROUTINE_SANITIZE_ADDRESS)
void *fake_stack;
void *stack_base;
size_t stack_size;
#endif
};
typedef COROUTINE(* coroutine_start)(struct coroutine_context *from, struct coroutine_context *self);
@ -39,6 +58,12 @@ static inline void coroutine_initialize(
) {
assert(start && stack && size >= 1024);
#if defined(COROUTINE_SANITIZE_ADDRESS)
context->fake_stack = NULL;
context->stack_base = stack;
context->stack_size = size;
#endif
// Stack grows down. Force 16-byte alignment.
char * top = (char*)stack + size;
context->stack_pointer = (void**)((uintptr_t)top & ~0xF);

View file

@ -19,10 +19,29 @@
enum {COROUTINE_REGISTERS = 0xb0 / 8};
#if defined(__SANITIZE_ADDRESS__)
#define COROUTINE_SANITIZE_ADDRESS
#elif defined(__has_feature)
#if __has_feature(address_sanitizer)
#define COROUTINE_SANITIZE_ADDRESS
#endif
#endif
#if defined(COROUTINE_SANITIZE_ADDRESS)
#include <sanitizer/common_interface_defs.h>
#include <sanitizer/asan_interface.h>
#endif
struct coroutine_context
{
void **stack_pointer;
void *argument;
#if defined(COROUTINE_SANITIZE_ADDRESS)
void *fake_stack;
void *stack_base;
size_t stack_size;
#endif
};
typedef COROUTINE(* coroutine_start)(struct coroutine_context *from, struct coroutine_context *self);
@ -39,6 +58,12 @@ static inline void coroutine_initialize(
) {
assert(start && stack && size >= 1024);
#if defined(COROUTINE_SANITIZE_ADDRESS)
context->fake_stack = NULL;
context->stack_base = stack;
context->stack_size = size;
#endif
// Stack grows down. Force 16-byte alignment.
char * top = (char*)stack + size;
context->stack_pointer = (void**)((uintptr_t)top & ~0xF);