diff options
Diffstat (limited to 'coroutine/amd64/Context.h')
| -rw-r--r-- | coroutine/amd64/Context.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/coroutine/amd64/Context.h b/coroutine/amd64/Context.h index 581525b67e..65aa638304 100644 --- a/coroutine/amd64/Context.h +++ b/coroutine/amd64/Context.h @@ -1,3 +1,6 @@ +#ifndef COROUTINE_AMD64_CONTEXT_H +#define COROUTINE_AMD64_CONTEXT_H 1 + /* * This file is part of the "Coroutine" project and released under the MIT License. * @@ -16,9 +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); @@ -35,12 +58,18 @@ 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); *--context->stack_pointer = NULL; - *--context->stack_pointer = (void*)start; + *--context->stack_pointer = (void*)(uintptr_t)start; context->stack_pointer -= COROUTINE_REGISTERS; memset(context->stack_pointer, 0, sizeof(void*) * COROUTINE_REGISTERS); @@ -52,3 +81,5 @@ static inline void coroutine_destroy(struct coroutine_context * context) { context->stack_pointer = NULL; } + +#endif /* COROUTINE_AMD64_CONTEXT_H */ |