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aot_runtime.c: Add static assertions for some offset assumptions (#1103)
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@ -14,6 +14,22 @@
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#include "../libraries/thread-mgr/thread_manager.h"
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#endif
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/*
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* Note: These offsets need to match the values hardcoded in
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* AoT compilation code: aot_create_func_context, check_suspend_flags.
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*/
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bh_static_assert(offsetof(WASMExecEnv, module_inst) == 2 * sizeof(uintptr_t));
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bh_static_assert(offsetof(WASMExecEnv, argv_buf) == 3 * sizeof(uintptr_t));
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bh_static_assert(offsetof(WASMExecEnv, native_stack_boundary)
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== 4 * sizeof(uintptr_t));
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bh_static_assert(offsetof(WASMExecEnv, suspend_flags) == 5 * sizeof(uintptr_t));
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bh_static_assert(offsetof(WASMExecEnv, aux_stack_boundary)
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== 6 * sizeof(uintptr_t));
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bh_static_assert(offsetof(WASMExecEnv, aux_stack_bottom)
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== 7 * sizeof(uintptr_t));
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bh_static_assert(offsetof(WASMExecEnv, native_symbol) == 8 * sizeof(uintptr_t));
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static void
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set_error_buf(char *error_buf, uint32 error_buf_size, const char *string)
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{
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@ -22,6 +22,19 @@ bh_assert_internal(int v, const char *file_name, int line_number,
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#define bh_assert(expr) (void)0
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#endif /* end of BH_DEBUG */
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#if !defined(__has_extension)
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#define __has_extension(a) 0
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#endif
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#if __STDC_VERSION__ >= 201112L \
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|| (defined(__GNUC__) && __GNUC__ * 0x100 + __GNUC_MINOR__ >= 0x406) \
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|| __has_extension(c_static_assert)
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#define bh_static_assert(expr) _Static_assert(expr, #expr)
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#else
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#define bh_static_assert(expr) /* nothing */
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#endif
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#ifdef __cplusplus
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}
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#endif
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