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handle nullable heap reference types in import section (#4302)

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Zhenwei Jin 2025-06-03 13:28:26 +08:00 committed by GitHub
parent 6a00874f2f
commit 93ef19b0ca
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1 changed files with 8 additions and 1 deletions
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core/iwasm/interpreter/wasm_loader.c
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@ -3282,6 +3282,13 @@ load_import_section(const uint8 *buf, const uint8 *buf_end, WASMModule *module,
CHECK_BUF(p, p_end, 1); CHECK_BUF(p, p_end, 1);
/* 0x70 */ /* 0x70 */
u8 = read_uint8(p); u8 = read_uint8(p);
#if WASM_ENABLE_GC != 0
if (wasm_is_reftype_htref_nullable(u8)) {
int32 heap_type;
read_leb_int32(p, p_end, heap_type);
(void)heap_type;
}
#endif
read_leb_uint32(p, p_end, flags); read_leb_uint32(p, p_end, flags);
read_leb_uint32(p, p_end, u32); read_leb_uint32(p, p_end, u32);
if (flags & 1) if (flags & 1)
@ -3329,7 +3336,7 @@ load_import_section(const uint8 *buf, const uint8 *buf_end, WASMModule *module,
/* valtype */ /* valtype */
CHECK_BUF(p, p_end, 1); CHECK_BUF(p, p_end, 1);
global_type = read_uint8(p); global_type = read_uint8(p);
if (wasm_is_type_multi_byte_type(global_type)) { if (wasm_is_reftype_htref_nullable(global_type)) {
int32 heap_type; int32 heap_type;
read_leb_int32(p, p_end, heap_type); read_leb_int32(p, p_end, heap_type);
(void)heap_type; (void)heap_type;