aot_runtime.c: Add static assertions for some offset assumptions (#1103)

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YAMAMOTO Takashi 2022-04-20 14:58:02 +09:00 committed by GitHub
parent b36931a589
commit 0f505aafd9
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2 changed files with 29 additions and 0 deletions

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@ -14,6 +14,22 @@
#include "../libraries/thread-mgr/thread_manager.h"
#endif
/*
* Note: These offsets need to match the values hardcoded in
* AoT compilation code: aot_create_func_context, check_suspend_flags.
*/
bh_static_assert(offsetof(WASMExecEnv, module_inst) == 2 * sizeof(uintptr_t));
bh_static_assert(offsetof(WASMExecEnv, argv_buf) == 3 * sizeof(uintptr_t));
bh_static_assert(offsetof(WASMExecEnv, native_stack_boundary)
== 4 * sizeof(uintptr_t));
bh_static_assert(offsetof(WASMExecEnv, suspend_flags) == 5 * sizeof(uintptr_t));
bh_static_assert(offsetof(WASMExecEnv, aux_stack_boundary)
== 6 * sizeof(uintptr_t));
bh_static_assert(offsetof(WASMExecEnv, aux_stack_bottom)
== 7 * sizeof(uintptr_t));
bh_static_assert(offsetof(WASMExecEnv, native_symbol) == 8 * sizeof(uintptr_t));
static void
set_error_buf(char *error_buf, uint32 error_buf_size, const char *string)
{

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@ -22,6 +22,19 @@ bh_assert_internal(int v, const char *file_name, int line_number,
#define bh_assert(expr) (void)0
#endif /* end of BH_DEBUG */
#if !defined(__has_extension)
#define __has_extension(a) 0
#endif
#if __STDC_VERSION__ >= 201112L \
|| (defined(__GNUC__) && __GNUC__ * 0x100 + __GNUC_MINOR__ >= 0x406) \
|| __has_extension(c_static_assert)
#define bh_static_assert(expr) _Static_assert(expr, #expr)
#else
#define bh_static_assert(expr) /* nothing */
#endif
#ifdef __cplusplus
}
#endif