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- /*
- * Copyright (C) 2019 Intel Corporation. All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
- #include "aot_runtime.h"
- #include "aot_reloc.h"
- #include "bh_platform.h"
- #include "../common/wasm_runtime_common.h"
- #include "../common/wasm_native.h"
- #include "../common/wasm_loader_common.h"
- #include "../compilation/aot.h"
- #if WASM_ENABLE_AOT_VALIDATOR != 0
- #include "aot_validator.h"
- #endif
- #if WASM_ENABLE_DEBUG_AOT != 0
- #include "debug/elf_parser.h"
- #include "debug/jit_debug.h"
- #endif
- #if WASM_ENABLE_LINUX_PERF != 0
- #include "aot_perf_map.h"
- #endif
- #define YMM_PLT_PREFIX "__ymm@"
- #define XMM_PLT_PREFIX "__xmm@"
- #define REAL_PLT_PREFIX "__real@"
- static void
- set_error_buf(char *error_buf, uint32 error_buf_size, const char *string)
- {
- if (error_buf != NULL) {
- snprintf(error_buf, error_buf_size, "AOT module load failed: %s",
- string);
- }
- }
- static void
- set_error_buf_v(char *error_buf, uint32 error_buf_size, const char *format, ...)
- {
- va_list args;
- char buf[128];
- if (error_buf != NULL) {
- va_start(args, format);
- vsnprintf(buf, sizeof(buf), format, args);
- va_end(args);
- snprintf(error_buf, error_buf_size, "AOT module load failed: %s", buf);
- }
- }
- #define exchange_uint8(p_data) (void)0
- static void
- exchange_uint16(uint8 *p_data)
- {
- uint8 value = *p_data;
- *p_data = *(p_data + 1);
- *(p_data + 1) = value;
- }
- static void
- exchange_uint32(uint8 *p_data)
- {
- uint8 value = *p_data;
- *p_data = *(p_data + 3);
- *(p_data + 3) = value;
- value = *(p_data + 1);
- *(p_data + 1) = *(p_data + 2);
- *(p_data + 2) = value;
- }
- static void
- exchange_uint64(uint8 *p_data)
- {
- uint32 value;
- value = *(uint32 *)p_data;
- *(uint32 *)p_data = *(uint32 *)(p_data + 4);
- *(uint32 *)(p_data + 4) = value;
- exchange_uint32(p_data);
- exchange_uint32(p_data + 4);
- }
- static union {
- int a;
- char b;
- } __ue = { .a = 1 };
- #define is_little_endian() (__ue.b == 1)
- static bool
- check_buf(const uint8 *buf, const uint8 *buf_end, uint32 length,
- char *error_buf, uint32 error_buf_size)
- {
- if ((uintptr_t)buf + length < (uintptr_t)buf
- || (uintptr_t)buf + length > (uintptr_t)buf_end) {
- set_error_buf(error_buf, error_buf_size, "unexpected end");
- return false;
- }
- return true;
- }
- #define CHECK_BUF(buf, buf_end, length) \
- do { \
- if (!check_buf(buf, buf_end, length, error_buf, error_buf_size)) { \
- goto fail; \
- } \
- } while (0)
- static uint8 *
- align_ptr(const uint8 *p, uint32 b)
- {
- uintptr_t v = (uintptr_t)p;
- uintptr_t m = b - 1;
- return (uint8 *)((v + m) & ~m);
- }
- static inline uint64
- GET_U64_FROM_ADDR(uint32 *addr)
- {
- union {
- uint64 val;
- uint32 parts[2];
- } u;
- u.parts[0] = addr[0];
- u.parts[1] = addr[1];
- return u.val;
- }
- #if (WASM_ENABLE_WORD_ALIGN_READ != 0)
- static inline uint8
- GET_U8_FROM_ADDR(const uint8 *p)
- {
- uint8 res = 0;
- bh_assert(p);
- const uint8 *p_aligned = align_ptr(p, 4);
- p_aligned = (p_aligned > p) ? p_aligned - 4 : p_aligned;
- uint32 buf32 = *(const uint32 *)p_aligned;
- const uint8 *pbuf = (const uint8 *)&buf32;
- res = *(uint8 *)(pbuf + (p - p_aligned));
- return res;
- }
- static inline uint16
- GET_U16_FROM_ADDR(const uint8 *p)
- {
- uint16 res = 0;
- bh_assert(p);
- const uint8 *p_aligned = align_ptr(p, 4);
- p_aligned = (p_aligned > p) ? p_aligned - 4 : p_aligned;
- uint32 buf32 = *(const uint32 *)p_aligned;
- const uint8 *pbuf = (const uint8 *)&buf32;
- res = *(uint16 *)(pbuf + (p - p_aligned));
- return res;
- }
- #define TEMPLATE_READ(p, p_end, res, type) \
- do { \
- if (sizeof(type) != sizeof(uint64)) \
- p = (uint8 *)align_ptr(p, sizeof(type)); \
- else \
- /* align 4 bytes if type is uint64 */ \
- p = (uint8 *)align_ptr(p, sizeof(uint32)); \
- CHECK_BUF(p, p_end, sizeof(type)); \
- if (sizeof(type) == sizeof(uint8)) \
- res = GET_U8_FROM_ADDR(p); \
- else if (sizeof(type) == sizeof(uint16)) \
- res = GET_U16_FROM_ADDR(p); \
- else if (sizeof(type) == sizeof(uint32)) \
- res = *(type *)p; \
- else \
- res = (type)GET_U64_FROM_ADDR((uint32 *)p); \
- if (!is_little_endian()) \
- exchange_##type((uint8 *)&res); \
- p += sizeof(type); \
- } while (0)
- #define read_byte_array(p, p_end, addr, len) \
- do { \
- CHECK_BUF(p, p_end, len); \
- bh_memcpy_wa(addr, len, p, len); \
- p += len; \
- } while (0)
- #define read_string(p, p_end, str) \
- do { \
- if (!(str = load_string((uint8 **)&p, p_end, module, \
- is_load_from_file_buf, true, error_buf, \
- error_buf_size))) \
- goto fail; \
- } while (0)
- #else /* else of (WASM_ENABLE_WORD_ALIGN_READ != 0) */
- #define TEMPLATE_READ(p, p_end, res, type) \
- do { \
- if (sizeof(type) != sizeof(uint64)) \
- p = (uint8 *)align_ptr(p, sizeof(type)); \
- else \
- /* align 4 bytes if type is uint64 */ \
- p = (uint8 *)align_ptr(p, sizeof(uint32)); \
- CHECK_BUF(p, p_end, sizeof(type)); \
- if (sizeof(type) != sizeof(uint64)) \
- res = *(type *)p; \
- else \
- res = (type)GET_U64_FROM_ADDR((uint32 *)p); \
- if (!is_little_endian()) \
- exchange_##type((uint8 *)&res); \
- p += sizeof(type); \
- } while (0)
- /* NOLINTBEGIN, disable lint for this region with clang-tidy */
- #define read_byte_array(p, p_end, addr, len) \
- do { \
- CHECK_BUF(p, p_end, len); \
- bh_memcpy_s(addr, len, p, len); \
- p += len; \
- } while (0)
- #define read_string(p, p_end, str) \
- do { \
- if (!(str = load_string((uint8 **)&p, p_end, module, \
- is_load_from_file_buf, error_buf, \
- error_buf_size))) \
- goto fail; \
- } while (0)
- #endif /* end of (WASM_ENABLE_WORD_ALIGN_READ != 0) */
- #define read_uint8(p, p_end, res) TEMPLATE_READ(p, p_end, res, uint8)
- #define read_uint16(p, p_end, res) TEMPLATE_READ(p, p_end, res, uint16)
- #define read_uint32(p, p_end, res) TEMPLATE_READ(p, p_end, res, uint32)
- #define read_uint64(p, p_end, res) TEMPLATE_READ(p, p_end, res, uint64)
- /* NOLINTEND */
- /* Legal values for bin_type */
- #define BIN_TYPE_ELF32L 0 /* 32-bit little endian */
- #define BIN_TYPE_ELF32B 1 /* 32-bit big endian */
- #define BIN_TYPE_ELF64L 2 /* 64-bit little endian */
- #define BIN_TYPE_ELF64B 3 /* 64-bit big endian */
- #define BIN_TYPE_COFF32 4 /* 32-bit little endian */
- #define BIN_TYPE_COFF64 6 /* 64-bit little endian */
- /* Legal values for e_type (object file type). */
- #define E_TYPE_NONE 0 /* No file type */
- #define E_TYPE_REL 1 /* Relocatable file */
- #define E_TYPE_EXEC 2 /* Executable file */
- #define E_TYPE_DYN 3 /* Shared object file */
- #define E_TYPE_XIP 4 /* eXecute In Place file */
- /* Legal values for e_machine (architecture). */
- #define E_MACHINE_386 3 /* Intel 80386 */
- #define E_MACHINE_MIPS 8 /* MIPS R3000 big-endian */
- #define E_MACHINE_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */
- #define E_MACHINE_ARM 40 /* ARM/Thumb */
- #define E_MACHINE_AARCH64 183 /* AArch64 */
- #define E_MACHINE_ARC 45 /* Argonaut RISC Core */
- #define E_MACHINE_IA_64 50 /* Intel Merced */
- #define E_MACHINE_MIPS_X 51 /* Stanford MIPS-X */
- #define E_MACHINE_X86_64 62 /* AMD x86-64 architecture */
- #define E_MACHINE_ARC_COMPACT 93 /* ARC International ARCompact */
- #define E_MACHINE_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */
- #define E_MACHINE_XTENSA 94 /* Tensilica Xtensa Architecture */
- #define E_MACHINE_RISCV 243 /* RISC-V 32/64 */
- #define E_MACHINE_WIN_I386 0x14c /* Windows i386 architecture */
- #define E_MACHINE_WIN_X86_64 0x8664 /* Windows x86-64 architecture */
- /* Legal values for e_version */
- #define E_VERSION_CURRENT 1 /* Current version */
- static void *
- loader_malloc(uint64 size, char *error_buf, uint32 error_buf_size)
- {
- void *mem;
- if (size >= UINT32_MAX || !(mem = wasm_runtime_malloc((uint32)size))) {
- set_error_buf(error_buf, error_buf_size, "allocate memory failed");
- return NULL;
- }
- memset(mem, 0, (uint32)size);
- return mem;
- }
- static void *
- loader_mmap(uint32 size, bool prot_exec, char *error_buf, uint32 error_buf_size)
- {
- int map_prot =
- MMAP_PROT_READ | MMAP_PROT_WRITE | (prot_exec ? MMAP_PROT_EXEC : 0);
- int map_flags;
- void *mem;
- #if defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64) \
- || defined(BUILD_TARGET_RISCV64_LP64D) \
- || defined(BUILD_TARGET_RISCV64_LP64)
- #if !defined(__APPLE__) && !defined(BH_PLATFORM_LINUX_SGX)
- /* The mmapped AOT data and code in 64-bit targets had better be in
- range 0 to 2G, or aot loader may fail to apply some relocations,
- e.g., R_X86_64_32/R_X86_64_32S/R_X86_64_PC32/R_RISCV_32.
- We try to mmap with MMAP_MAP_32BIT flag first, and if fails, mmap
- again without the flag. */
- /* sgx_tprotect_rsrv_mem() and sgx_alloc_rsrv_mem() will ignore flags */
- map_flags = MMAP_MAP_32BIT;
- if ((mem = os_mmap(NULL, size, map_prot, map_flags,
- os_get_invalid_handle()))) {
- /* Test whether the mmapped memory in the first 2 Gigabytes of the
- process address space */
- if ((uintptr_t)mem >= INT32_MAX)
- LOG_WARNING(
- "Warning: loader mmap memory address is not in the first 2 "
- "Gigabytes of the process address space.");
- return mem;
- }
- #endif
- #endif
- map_flags = MMAP_MAP_NONE;
- if (!(mem = os_mmap(NULL, size, map_prot, map_flags,
- os_get_invalid_handle()))) {
- set_error_buf(error_buf, error_buf_size, "allocate memory failed");
- return NULL;
- }
- return mem;
- }
- static char *
- load_string(uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- bool is_load_from_file_buf,
- #if (WASM_ENABLE_WORD_ALIGN_READ != 0)
- bool is_vram_word_align,
- #endif
- char *error_buf, uint32 error_buf_size)
- {
- uint8 *p = *p_buf;
- const uint8 *p_end = buf_end;
- char *str;
- uint16 str_len;
- read_uint16(p, p_end, str_len);
- CHECK_BUF(p, p_end, str_len);
- if (str_len == 0) {
- str = "";
- }
- #if (WASM_ENABLE_WORD_ALIGN_READ != 0)
- else if (is_vram_word_align) {
- if (!(str = aot_const_str_set_insert((uint8 *)p, str_len, module,
- is_vram_word_align, error_buf,
- error_buf_size))) {
- goto fail;
- }
- }
- #endif
- else if (is_load_from_file_buf) {
- /* The string is always terminated with '\0', use it directly.
- * In this case, the file buffer can be referred to after loading.
- */
- if (p[str_len - 1] != '\0')
- goto fail;
- str = (char *)p;
- }
- else {
- /* Load from sections, the file buffer cannot be referred to
- after loading, we must create another string and insert it
- into const string set */
- if (p[str_len - 1] != '\0')
- goto fail;
- if (!(str = aot_const_str_set_insert((uint8 *)p, str_len, module,
- #if (WASM_ENABLE_WORD_ALIGN_READ != 0)
- is_vram_word_align,
- #endif
- error_buf, error_buf_size))) {
- goto fail;
- }
- }
- p += str_len;
- *p_buf = p;
- return str;
- fail:
- return NULL;
- }
- static bool
- get_aot_file_target(AOTTargetInfo *target_info, char *target_buf,
- uint32 target_buf_size, char *error_buf,
- uint32 error_buf_size)
- {
- char *machine_type = NULL;
- switch (target_info->e_machine) {
- case E_MACHINE_X86_64:
- case E_MACHINE_WIN_X86_64:
- machine_type = "x86_64";
- break;
- case E_MACHINE_386:
- case E_MACHINE_WIN_I386:
- machine_type = "i386";
- break;
- case E_MACHINE_ARM:
- case E_MACHINE_AARCH64:
- /* TODO: this will make following `strncmp()` ~L392 unnecessary.
- * Use const strings here */
- machine_type = target_info->arch;
- break;
- case E_MACHINE_MIPS:
- machine_type = "mips";
- break;
- case E_MACHINE_XTENSA:
- machine_type = "xtensa";
- break;
- case E_MACHINE_RISCV:
- machine_type = "riscv";
- break;
- case E_MACHINE_ARC_COMPACT:
- case E_MACHINE_ARC_COMPACT2:
- machine_type = "arc";
- break;
- default:
- set_error_buf_v(error_buf, error_buf_size,
- "unknown machine type %d", target_info->e_machine);
- return false;
- }
- if (strncmp(target_info->arch, machine_type, strlen(machine_type))) {
- set_error_buf_v(
- error_buf, error_buf_size,
- "machine type (%s) isn't consistent with target type (%s)",
- machine_type, target_info->arch);
- return false;
- }
- snprintf(target_buf, target_buf_size, "%s", target_info->arch);
- return true;
- }
- static bool
- check_machine_info(AOTTargetInfo *target_info, char *error_buf,
- uint32 error_buf_size)
- {
- char target_expected[32], target_got[32];
- get_current_target(target_expected, sizeof(target_expected));
- if (!get_aot_file_target(target_info, target_got, sizeof(target_got),
- error_buf, error_buf_size))
- return false;
- if (strncmp(target_expected, target_got, strlen(target_expected))) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid target type, expected %s but got %s",
- target_expected, target_got);
- return false;
- }
- return true;
- }
- static bool
- check_feature_flags(char *error_buf, uint32 error_buf_size,
- uint64 feature_flags)
- {
- #if WASM_ENABLE_SIMD == 0
- if (feature_flags & WASM_FEATURE_SIMD_128BIT) {
- set_error_buf(error_buf, error_buf_size,
- "SIMD is not enabled in this build");
- return false;
- }
- #endif
- #if WASM_ENABLE_BULK_MEMORY == 0
- if (feature_flags & WASM_FEATURE_BULK_MEMORY) {
- set_error_buf(error_buf, error_buf_size,
- "bulk memory is not enabled in this build");
- return false;
- }
- #endif
- #if WASM_ENABLE_THREAD_MGR == 0
- if (feature_flags & WASM_FEATURE_MULTI_THREAD) {
- set_error_buf(error_buf, error_buf_size,
- "thread is not enabled in this build");
- return false;
- }
- #endif
- #if WASM_ENABLE_REF_TYPES == 0
- if (feature_flags & WASM_FEATURE_REF_TYPES) {
- set_error_buf(error_buf, error_buf_size,
- "reference types is not enabled in this build");
- return false;
- }
- #endif
- #if WASM_ENABLE_GC == 0
- if (feature_flags & WASM_FEATURE_GARBAGE_COLLECTION) {
- set_error_buf(error_buf, error_buf_size,
- "garbage collection is not enabled in this build");
- return false;
- }
- #endif
- return true;
- }
- #if WASM_ENABLE_GC != 0
- static WASMRefType *
- reftype_set_insert(HashMap *ref_type_set, const WASMRefType *ref_type,
- char *error_buf, uint32 error_buf_size)
- {
- WASMRefType *ret = wasm_reftype_set_insert(ref_type_set, ref_type);
- if (!ret) {
- set_error_buf(error_buf, error_buf_size,
- "insert ref type to hash set failed");
- }
- return ret;
- }
- #endif
- static bool
- load_target_info_section(const uint8 *buf, const uint8 *buf_end,
- AOTModule *module, char *error_buf,
- uint32 error_buf_size)
- {
- AOTTargetInfo target_info;
- const uint8 *p = buf, *p_end = buf_end;
- bool is_target_little_endian, is_target_64_bit;
- read_uint16(p, p_end, target_info.bin_type);
- read_uint16(p, p_end, target_info.abi_type);
- read_uint16(p, p_end, target_info.e_type);
- read_uint16(p, p_end, target_info.e_machine);
- read_uint32(p, p_end, target_info.e_version);
- read_uint32(p, p_end, target_info.e_flags);
- read_uint64(p, p_end, target_info.feature_flags);
- read_uint64(p, p_end, target_info.reserved);
- read_byte_array(p, p_end, target_info.arch, sizeof(target_info.arch));
- if (target_info.arch[sizeof(target_info.arch) - 1] != '\0') {
- set_error_buf(error_buf, error_buf_size, "invalid arch string");
- return false;
- }
- if (p != buf_end) {
- set_error_buf(error_buf, error_buf_size, "invalid section size");
- return false;
- }
- /* Check target endian type */
- is_target_little_endian = target_info.bin_type & 1 ? false : true;
- if (is_little_endian() != is_target_little_endian) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid target endian type, expected %s but got %s",
- is_little_endian() ? "little endian" : "big endian",
- is_target_little_endian ? "little endian"
- : "big endian");
- return false;
- }
- /* Check target bit width */
- is_target_64_bit = target_info.bin_type & 2 ? true : false;
- if ((sizeof(void *) == 8 ? true : false) != is_target_64_bit) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid target bit width, expected %s but got %s",
- sizeof(void *) == 8 ? "64-bit" : "32-bit",
- is_target_64_bit ? "64-bit" : "32-bit");
- return false;
- }
- /* Check target elf file type */
- if (target_info.e_type != E_TYPE_REL && target_info.e_type != E_TYPE_XIP) {
- set_error_buf(error_buf, error_buf_size,
- "invalid object file type, "
- "expected relocatable or XIP file type but got others");
- return false;
- }
- /* for backwards compatibility with previous wamrc aot files */
- if (!strcmp(target_info.arch, "arm64")
- || !strcmp(target_info.arch, "aarch64"))
- bh_strcpy_s(target_info.arch, sizeof(target_info.arch), "aarch64v8");
- /* Check machine info */
- if (!check_machine_info(&target_info, error_buf, error_buf_size)) {
- return false;
- }
- if (target_info.e_version != E_VERSION_CURRENT) {
- set_error_buf(error_buf, error_buf_size, "invalid elf file version");
- return false;
- }
- #if WASM_ENABLE_DUMP_CALL_STACK != 0
- module->feature_flags = target_info.feature_flags;
- #endif
- /* Finally, check feature flags */
- return check_feature_flags(error_buf, error_buf_size,
- target_info.feature_flags);
- fail:
- return false;
- }
- static void *
- get_native_symbol_by_name(const char *name)
- {
- void *func = NULL;
- uint32 symnum = 0;
- SymbolMap *sym = NULL;
- sym = get_target_symbol_map(&symnum);
- while (symnum && symnum--) {
- if (strcmp(sym->symbol_name, name) == 0) {
- func = sym->symbol_addr;
- break;
- }
- sym++;
- }
- return func;
- }
- static bool
- str2uint32(const char *buf, uint32 *p_res);
- static bool
- str2uint64(const char *buf, uint64 *p_res);
- static bool
- load_native_symbol_section(const uint8 *buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf_end;
- uint32 cnt;
- int32 i;
- const char *symbol;
- if (module->native_symbol_list) {
- set_error_buf(error_buf, error_buf_size,
- "duplicated native symbol section");
- return false;
- }
- read_uint32(p, p_end, cnt);
- if (cnt > 0) {
- uint64 list_size = cnt * (uint64)sizeof(void *);
- module->native_symbol_list =
- loader_malloc(list_size, error_buf, error_buf_size);
- if (module->native_symbol_list == NULL) {
- goto fail;
- }
- for (i = cnt - 1; i >= 0; i--) {
- read_string(p, p_end, symbol);
- if (!strlen(symbol))
- continue;
- if (!strncmp(symbol, "f32#", 4) || !strncmp(symbol, "i32#", 4)) {
- uint32 u32;
- /* Resolve the raw int bits of f32 const */
- if (!str2uint32(symbol + 4, &u32)) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto fail;
- }
- *(uint32 *)(&module->native_symbol_list[i]) = u32;
- }
- else if (!strncmp(symbol, "f64#", 4)
- || !strncmp(symbol, "i64#", 4)) {
- uint64 u64;
- /* Resolve the raw int bits of f64 const */
- if (!str2uint64(symbol + 4, &u64)) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto fail;
- }
- *(uint64 *)(&module->native_symbol_list[i]) = u64;
- }
- else if (!strncmp(symbol, "__ignore", 8)) {
- /* Padding bytes to make f64 on 8-byte aligned address,
- or it is the second 32-bit slot in 32-bit system */
- continue;
- }
- else {
- module->native_symbol_list[i] =
- get_native_symbol_by_name(symbol);
- if (module->native_symbol_list[i] == NULL) {
- set_error_buf_v(error_buf, error_buf_size,
- "missing native symbol: %s", symbol);
- goto fail;
- }
- }
- }
- }
- return true;
- fail:
- return false;
- }
- static bool
- load_name_section(const uint8 *buf, const uint8 *buf_end, AOTModule *module,
- bool is_load_from_file_buf, char *error_buf,
- uint32 error_buf_size)
- {
- #if WASM_ENABLE_CUSTOM_NAME_SECTION != 0
- const uint8 *p = buf, *p_end = buf_end;
- uint32 *aux_func_indexes;
- const char **aux_func_names;
- uint32 name_type, subsection_size;
- uint32 previous_name_type = 0;
- uint32 num_func_name;
- uint32 func_index;
- uint32 previous_func_index = ~0U;
- uint32 name_index;
- int i = 0;
- uint32 name_len;
- uint64 size;
- if (p >= p_end) {
- set_error_buf(error_buf, error_buf_size, "unexpected end");
- return false;
- }
- read_uint32(p, p_end, name_len);
- if (name_len != 4 || p + name_len > p_end) {
- set_error_buf(error_buf, error_buf_size, "unexpected end");
- return false;
- }
- if (memcmp(p, "name", 4) != 0) {
- set_error_buf(error_buf, error_buf_size, "invalid custom name section");
- return false;
- }
- p += name_len;
- while (p < p_end) {
- read_uint32(p, p_end, name_type);
- if (i != 0) {
- if (name_type == previous_name_type) {
- set_error_buf(error_buf, error_buf_size,
- "duplicate sub-section");
- return false;
- }
- if (name_type < previous_name_type) {
- set_error_buf(error_buf, error_buf_size,
- "out-of-order sub-section");
- return false;
- }
- }
- previous_name_type = name_type;
- read_uint32(p, p_end, subsection_size);
- CHECK_BUF(p, p_end, subsection_size);
- switch (name_type) {
- case SUB_SECTION_TYPE_FUNC:
- if (subsection_size) {
- read_uint32(p, p_end, num_func_name);
- if (num_func_name
- > module->import_func_count + module->func_count) {
- set_error_buf(error_buf, error_buf_size,
- "function name count out of bounds");
- return false;
- }
- module->aux_func_name_count = num_func_name;
- /* Allocate memory */
- size = sizeof(uint32) * (uint64)module->aux_func_name_count;
- if (!(aux_func_indexes = module->aux_func_indexes =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- size =
- sizeof(char **) * (uint64)module->aux_func_name_count;
- if (!(aux_func_names = module->aux_func_names =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- for (name_index = 0; name_index < num_func_name;
- name_index++) {
- read_uint32(p, p_end, func_index);
- if (name_index != 0
- && func_index == previous_func_index) {
- set_error_buf(error_buf, error_buf_size,
- "duplicate function name");
- return false;
- }
- if (name_index != 0
- && func_index < previous_func_index) {
- set_error_buf(error_buf, error_buf_size,
- "out-of-order function index ");
- return false;
- }
- if (func_index
- >= module->import_func_count + module->func_count) {
- set_error_buf(error_buf, error_buf_size,
- "function index out of bounds");
- return false;
- }
- previous_func_index = func_index;
- *(aux_func_indexes + name_index) = func_index;
- read_string(p, p_end, *(aux_func_names + name_index));
- #if 0
- LOG_DEBUG("func_index %u -> aux_func_name = %s\n",
- func_index, *(aux_func_names + name_index));
- #endif
- }
- }
- break;
- case SUB_SECTION_TYPE_MODULE: /* TODO: Parse for module subsection
- */
- case SUB_SECTION_TYPE_LOCAL: /* TODO: Parse for local subsection */
- default:
- p = p + subsection_size;
- break;
- }
- i++;
- }
- return true;
- fail:
- return false;
- #else
- return true;
- #endif /* WASM_ENABLE_CUSTOM_NAME_SECTION != 0 */
- }
- #if WASM_ENABLE_STRINGREF != 0
- static bool
- load_string_literal_section(const uint8 *buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf_end;
- uint32 reserved = 0, string_count = 0, i;
- uint64 size;
- read_uint32(p, p_end, reserved);
- if (reserved != 0) {
- set_error_buf(error_buf, error_buf_size,
- "invalid reserved slot in string literal count");
- goto fail;
- }
- read_uint32(p, p_end, string_count);
- if (string_count == 0) {
- set_error_buf(error_buf, error_buf_size,
- "invalid string literal count");
- goto fail;
- }
- module->string_literal_count = string_count;
- size = (uint64)sizeof(char *) * string_count;
- if (!(module->string_literal_ptrs =
- loader_malloc(size, error_buf, error_buf_size))) {
- goto fail;
- }
- size = (uint64)sizeof(uint32) * string_count;
- if (!(module->string_literal_lengths =
- loader_malloc(size, error_buf, error_buf_size))) {
- goto fail;
- }
- for (i = 0; i < string_count; i++) {
- read_uint32(p, p_end, module->string_literal_lengths[i]);
- }
- for (i = 0; i < string_count; i++) {
- module->string_literal_ptrs[i] = p;
- p += module->string_literal_lengths[i];
- }
- return true;
- fail:
- return false;
- }
- #endif /* end of WASM_ENABLE_STRINGREF != 0 */
- static bool
- load_custom_section(const uint8 *buf, const uint8 *buf_end, AOTModule *module,
- bool is_load_from_file_buf, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf_end;
- uint32 sub_section_type;
- read_uint32(p, p_end, sub_section_type);
- buf = p;
- switch (sub_section_type) {
- case AOT_CUSTOM_SECTION_NATIVE_SYMBOL:
- if (!load_native_symbol_section(buf, buf_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- goto fail;
- break;
- case AOT_CUSTOM_SECTION_NAME:
- if (!load_name_section(buf, buf_end, module, is_load_from_file_buf,
- error_buf, error_buf_size))
- LOG_VERBOSE("Load name section failed.");
- else
- LOG_VERBOSE("Load name section success.");
- break;
- #if WASM_ENABLE_STRINGREF != 0
- case AOT_CUSTOM_SECTION_STRING_LITERAL:
- if (!load_string_literal_section(buf, buf_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- goto fail;
- break;
- #endif
- #if WASM_ENABLE_LOAD_CUSTOM_SECTION != 0
- case AOT_CUSTOM_SECTION_RAW:
- {
- const char *section_name;
- WASMCustomSection *section;
- if (p >= p_end) {
- set_error_buf(error_buf, error_buf_size, "unexpected end");
- goto fail;
- }
- read_string(p, p_end, section_name);
- section = loader_malloc(sizeof(WASMCustomSection), error_buf,
- error_buf_size);
- if (!section) {
- goto fail;
- }
- section->name_addr = (char *)section_name;
- section->name_len = (uint32)strlen(section_name);
- section->content_addr = (uint8 *)p;
- section->content_len = (uint32)(p_end - p);
- section->next = module->custom_section_list;
- module->custom_section_list = section;
- LOG_VERBOSE("Load custom section [%s] success.", section_name);
- break;
- }
- #endif /* end of WASM_ENABLE_LOAD_CUSTOM_SECTION != 0 */
- default:
- break;
- }
- return true;
- fail:
- return false;
- }
- static void
- destroy_import_memories(AOTImportMemory *import_memories)
- {
- wasm_runtime_free(import_memories);
- }
- /**
- * Free memory initialization data segments.
- *
- * @param module the AOT module containing the data
- * @param data_list array of memory initialization data segments to free
- * @param count number of segments in the data_list array
- */
- static void
- destroy_mem_init_data_list(AOTModule *module, AOTMemInitData **data_list,
- uint32 count)
- {
- uint32 i;
- /* Free each memory initialization data segment */
- for (i = 0; i < count; i++)
- if (data_list[i]) {
- /* If the module owns the binary data, free the bytes buffer */
- if (module->is_binary_freeable && data_list[i]->bytes)
- wasm_runtime_free(data_list[i]->bytes);
- /* Free the data segment structure itself */
- wasm_runtime_free(data_list[i]);
- }
- /* Free the array of data segment pointers */
- wasm_runtime_free(data_list);
- }
- static bool
- load_init_expr(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- InitializerExpression *expr, char *error_buf,
- uint32 error_buf_size);
- /**
- * Load memory initialization data segments from the AOT module.
- *
- * This function reads memory initialization data segments from the buffer and
- * creates AOTMemInitData structures for each segment. The data can either be
- * cloned into new memory or referenced directly from the buffer.
- *
- * @param p_buf pointer to buffer containing memory init data
- * @param buf_end end of buffer
- * @param module the AOT module being loaded
- * @param error_buf buffer for error messages
- * @param error_buf_size size of error buffer
- *
- * @return true if successful, false if error occurred
- */
- static bool
- load_mem_init_data_list(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTMemInitData **data_list;
- uint64 size;
- uint32 i;
- /* Allocate memory */
- size = sizeof(AOTMemInitData *) * (uint64)module->mem_init_data_count;
- if (!(module->mem_init_data_list = data_list =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* Create each memory data segment */
- for (i = 0; i < module->mem_init_data_count; i++) {
- uint32 byte_count;
- uint32 is_passive;
- uint32 memory_index;
- InitializerExpression init_value;
- read_uint32(buf, buf_end, is_passive);
- read_uint32(buf, buf_end, memory_index);
- if (!load_init_expr(&buf, buf_end, module, &init_value, error_buf,
- error_buf_size)) {
- return false;
- }
- read_uint32(buf, buf_end, byte_count);
- if (!(data_list[i] = loader_malloc(sizeof(AOTMemInitData), error_buf,
- error_buf_size))) {
- return false;
- }
- #if WASM_ENABLE_BULK_MEMORY != 0
- /* is_passive and memory_index is only used in bulk memory mode */
- data_list[i]->is_passive = (bool)is_passive;
- data_list[i]->memory_index = memory_index;
- #endif
- data_list[i]->offset.init_expr_type = init_value.init_expr_type;
- data_list[i]->offset.u = init_value.u;
- data_list[i]->byte_count = byte_count;
- data_list[i]->bytes = NULL;
- /* If the module owns the binary data, clone the bytes buffer */
- if (module->is_binary_freeable) {
- if (byte_count > 0) {
- if (!(data_list[i]->bytes = loader_malloc(byte_count, error_buf,
- error_buf_size))) {
- return false;
- }
- read_byte_array(buf, buf_end, data_list[i]->bytes,
- data_list[i]->byte_count);
- }
- }
- else {
- data_list[i]->bytes = (uint8 *)buf;
- buf += byte_count;
- }
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- /**
- * Load memory information from the AOT module.
- *
- * This function reads memory-related data including import memory count,
- * memory count, memory flags, page sizes, and memory initialization data.
- *
- * @param p_buf pointer to buffer containing memory info
- * @param buf_end end of buffer
- * @param module the AOT module being loaded
- * @param error_buf buffer for error messages
- * @param error_buf_size size of error buffer
- *
- * @return true if successful, false if error occurred
- */
- static bool
- load_memory_info(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- uint32 i;
- uint64 total_size;
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->import_memory_count);
- read_uint32(buf, buf_end, module->memory_count);
- total_size = sizeof(AOTMemory) * (uint64)module->memory_count;
- if (!(module->memories =
- loader_malloc(total_size, error_buf, error_buf_size))) {
- return false;
- }
- for (i = 0; i < module->memory_count; i++) {
- read_uint32(buf, buf_end, module->memories[i].flags);
- if (!wasm_memory_check_flags(module->memories[i].flags, error_buf,
- error_buf_size, true)) {
- return false;
- }
- read_uint32(buf, buf_end, module->memories[i].num_bytes_per_page);
- read_uint32(buf, buf_end, module->memories[i].init_page_count);
- read_uint32(buf, buf_end, module->memories[i].max_page_count);
- }
- read_uint32(buf, buf_end, module->mem_init_data_count);
- /* load memory init data list */
- if (module->mem_init_data_count > 0
- && !load_mem_init_data_list(&buf, buf_end, module, error_buf,
- error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- #if WASM_ENABLE_GC != 0
- static void
- destroy_init_expr(InitializerExpression *expr)
- {
- if (expr->init_expr_type == INIT_EXPR_TYPE_STRUCT_NEW
- || expr->init_expr_type == INIT_EXPR_TYPE_ARRAY_NEW
- || expr->init_expr_type == INIT_EXPR_TYPE_ARRAY_NEW_FIXED) {
- wasm_runtime_free(expr->u.data);
- }
- }
- #endif /* end of WASM_ENABLE_GC != 0 */
- static void
- destroy_import_tables(AOTImportTable *import_tables)
- {
- wasm_runtime_free(import_tables);
- }
- static void
- destroy_tables(AOTTable *tables)
- {
- wasm_runtime_free(tables);
- }
- static void
- destroy_table_init_data_list(AOTTableInitData **data_list, uint32 count)
- {
- uint32 i;
- for (i = 0; i < count; i++)
- if (data_list[i]) {
- #if WASM_ENABLE_GC != 0
- uint32 j;
- for (j = 0; j < data_list[i]->value_count; j++) {
- destroy_init_expr(&data_list[i]->init_values[j]);
- }
- #endif
- wasm_runtime_free(data_list[i]);
- }
- wasm_runtime_free(data_list);
- }
- static bool
- load_init_expr(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- InitializerExpression *expr, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- uint32 init_expr_type = 0;
- uint64 *i64x2 = NULL;
- bool free_if_fail = false;
- buf = (uint8 *)align_ptr(buf, 4);
- read_uint32(buf, buf_end, init_expr_type);
- switch (init_expr_type) {
- case INIT_EXPR_NONE:
- break;
- case INIT_EXPR_TYPE_I32_CONST:
- case INIT_EXPR_TYPE_F32_CONST:
- read_uint32(buf, buf_end, expr->u.i32);
- break;
- case INIT_EXPR_TYPE_I64_CONST:
- case INIT_EXPR_TYPE_F64_CONST:
- read_uint64(buf, buf_end, expr->u.i64);
- break;
- case INIT_EXPR_TYPE_V128_CONST:
- i64x2 = (uint64 *)expr->u.v128.i64x2;
- CHECK_BUF(buf, buf_end, sizeof(uint64) * 2);
- wasm_runtime_read_v128(buf, &i64x2[0], &i64x2[1]);
- buf += sizeof(uint64) * 2;
- break;
- case INIT_EXPR_TYPE_GET_GLOBAL:
- read_uint32(buf, buf_end, expr->u.global_index);
- break;
- /* INIT_EXPR_TYPE_FUNCREF_CONST can be used when
- both reference types and GC are disabled */
- case INIT_EXPR_TYPE_FUNCREF_CONST:
- read_uint32(buf, buf_end, expr->u.ref_index);
- break;
- #if WASM_ENABLE_GC != 0 || WASM_ENABLE_REF_TYPES != 0
- case INIT_EXPR_TYPE_REFNULL_CONST:
- read_uint32(buf, buf_end, expr->u.ref_index);
- break;
- #endif /* end of WASM_ENABLE_GC != 0 || WASM_ENABLE_REF_TYPES != 0 */
- #if WASM_ENABLE_GC != 0
- case INIT_EXPR_TYPE_I31_NEW:
- read_uint32(buf, buf_end, expr->u.i32);
- break;
- case INIT_EXPR_TYPE_STRUCT_NEW:
- {
- uint64 size;
- uint32 type_idx, field_count;
- AOTStructType *struct_type = NULL;
- WASMStructNewInitValues *init_values = NULL;
- read_uint32(buf, buf_end, type_idx);
- read_uint32(buf, buf_end, field_count);
- size = offsetof(WASMStructNewInitValues, fields)
- + sizeof(WASMValue) * (uint64)field_count;
- if (!(init_values =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- free_if_fail = true;
- init_values->count = field_count;
- init_values->type_idx = type_idx;
- expr->u.data = init_values;
- if (type_idx >= module->type_count) {
- set_error_buf(error_buf, error_buf_size,
- "unknown struct type.");
- goto fail;
- }
- struct_type = (AOTStructType *)module->types[type_idx];
- if (struct_type->field_count != field_count) {
- set_error_buf(error_buf, error_buf_size,
- "invalid field count.");
- goto fail;
- }
- if (field_count > 0) {
- uint32 i;
- for (i = 0; i < field_count; i++) {
- uint32 field_size =
- wasm_value_type_size(struct_type->fields[i].field_type);
- if (field_size <= sizeof(uint32))
- read_uint32(buf, buf_end, init_values->fields[i].u32);
- else if (field_size == sizeof(uint64))
- read_uint64(buf, buf_end, init_values->fields[i].u64);
- else if (field_size == sizeof(uint64) * 2)
- read_byte_array(buf, buf_end, &init_values->fields[i],
- field_size);
- else {
- bh_assert(0);
- }
- }
- }
- break;
- }
- case INIT_EXPR_TYPE_STRUCT_NEW_DEFAULT:
- read_uint32(buf, buf_end, expr->u.type_index);
- break;
- case INIT_EXPR_TYPE_ARRAY_NEW:
- case INIT_EXPR_TYPE_ARRAY_NEW_DEFAULT:
- case INIT_EXPR_TYPE_ARRAY_NEW_FIXED:
- {
- uint32 array_elem_type;
- uint32 type_idx, length;
- WASMArrayNewInitValues *init_values = NULL;
- /* Note: at this time the aot types haven't been loaded */
- read_uint32(buf, buf_end, array_elem_type);
- read_uint32(buf, buf_end, type_idx);
- read_uint32(buf, buf_end, length);
- if (init_expr_type == INIT_EXPR_TYPE_ARRAY_NEW_DEFAULT) {
- expr->u.array_new_default.type_index = type_idx;
- expr->u.array_new_default.length = length;
- }
- else {
- uint32 i, elem_size, elem_data_count;
- uint64 size = offsetof(WASMArrayNewInitValues, elem_data)
- + sizeof(WASMValue) * (uint64)length;
- if (!(init_values =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- free_if_fail = true;
- expr->u.data = init_values;
- init_values->type_idx = type_idx;
- init_values->length = length;
- elem_data_count =
- (init_expr_type == INIT_EXPR_TYPE_ARRAY_NEW_FIXED) ? length
- : 1;
- elem_size = wasm_value_type_size((uint8)array_elem_type);
- for (i = 0; i < elem_data_count; i++) {
- if (elem_size <= sizeof(uint32))
- read_uint32(buf, buf_end,
- init_values->elem_data[i].u32);
- else if (elem_size == sizeof(uint64))
- read_uint64(buf, buf_end,
- init_values->elem_data[i].u64);
- else if (elem_size == sizeof(uint64) * 2)
- read_byte_array(buf, buf_end,
- &init_values->elem_data[i], elem_size);
- else {
- bh_assert(0);
- }
- }
- }
- break;
- }
- #endif /* end of WASM_ENABLE_GC != 0 */
- default:
- set_error_buf(error_buf, error_buf_size, "invalid init expr type.");
- return false;
- }
- expr->init_expr_type = (uint8)init_expr_type;
- *p_buf = buf;
- return true;
- fail:
- #if WASM_ENABLE_GC != 0
- if (free_if_fail) {
- wasm_runtime_free(expr->u.data);
- }
- #else
- (void)free_if_fail;
- #endif
- return false;
- }
- static bool
- load_import_table_list(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTImportTable *import_table;
- #if WASM_ENABLE_GC != 0
- WASMRefType ref_type;
- #endif
- uint64 size;
- uint32 i;
- /* Allocate memory */
- size = sizeof(AOTImportTable) * (uint64)module->import_table_count;
- if (!(module->import_tables = import_table =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* keep sync with aot_emit_table_info() aot_emit_aot_file */
- for (i = 0; i < module->import_table_count; i++, import_table++) {
- read_uint8(buf, buf_end, import_table->table_type.elem_type);
- read_uint8(buf, buf_end, import_table->table_type.flags);
- read_uint8(buf, buf_end, import_table->table_type.possible_grow);
- #if WASM_ENABLE_GC != 0
- if (wasm_is_type_multi_byte_type(import_table->table_type.elem_type)) {
- read_uint8(buf, buf_end, ref_type.ref_ht_common.nullable);
- }
- else
- #endif
- {
- /* Skip 1 byte */
- buf += 1;
- }
- read_uint32(buf, buf_end, import_table->table_type.init_size);
- read_uint32(buf, buf_end, import_table->table_type.max_size);
- #if WASM_ENABLE_GC != 0
- if (wasm_is_type_multi_byte_type(import_table->table_type.elem_type)) {
- read_uint32(buf, buf_end, ref_type.ref_ht_common.heap_type);
- ref_type.ref_type = import_table->table_type.elem_type;
- /* TODO: check ref_type */
- if (!(import_table->table_type.elem_ref_type =
- wasm_reftype_set_insert(module->ref_type_set,
- &ref_type))) {
- set_error_buf(error_buf, error_buf_size,
- "insert ref type to hash set failed");
- return false;
- }
- }
- #endif
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_table_list(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTTable *table;
- #if WASM_ENABLE_GC != 0
- WASMRefType ref_type;
- #endif
- uint64 size;
- uint32 i;
- /* Allocate memory */
- size = sizeof(AOTTable) * (uint64)module->table_count;
- if (!(module->tables = table =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* Create each table data segment */
- for (i = 0; i < module->table_count; i++, table++) {
- read_uint8(buf, buf_end, table->table_type.elem_type);
- read_uint8(buf, buf_end, table->table_type.flags);
- if (!wasm_table_check_flags(table->table_type.flags, error_buf,
- error_buf_size, true)) {
- return false;
- }
- read_uint8(buf, buf_end, table->table_type.possible_grow);
- #if WASM_ENABLE_GC != 0
- if (wasm_is_type_multi_byte_type(table->table_type.elem_type)) {
- read_uint8(buf, buf_end, ref_type.ref_ht_common.nullable);
- }
- else
- #endif
- {
- /* Skip 1 byte */
- buf += 1;
- }
- read_uint32(buf, buf_end, table->table_type.init_size);
- read_uint32(buf, buf_end, table->table_type.max_size);
- #if WASM_ENABLE_GC != 0
- if (wasm_is_type_multi_byte_type(table->table_type.elem_type)) {
- read_uint32(buf, buf_end, ref_type.ref_ht_common.heap_type);
- ref_type.ref_type = table->table_type.elem_type;
- /* TODO: check ref_type */
- if (!(table->table_type.elem_ref_type = wasm_reftype_set_insert(
- module->ref_type_set, &ref_type))) {
- set_error_buf(error_buf, error_buf_size,
- "insert ref type to hash set failed");
- return false;
- }
- }
- if (!load_init_expr(&buf, buf_end, module, &table->init_expr, error_buf,
- error_buf_size))
- return false;
- if (table->init_expr.init_expr_type >= INIT_EXPR_TYPE_STRUCT_NEW
- && table->init_expr.init_expr_type
- <= INIT_EXPR_TYPE_EXTERN_CONVERT_ANY) {
- set_error_buf(error_buf, error_buf_size,
- "unsupported initializer expression for table");
- return false;
- }
- #endif
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_table_init_data_list(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTTableInitData **data_list;
- #if WASM_ENABLE_GC != 0
- WASMRefType reftype;
- #endif
- uint64 size;
- uint32 i, j;
- /* Allocate memory */
- size = sizeof(AOTTableInitData *) * (uint64)module->table_init_data_count;
- if (!(module->table_init_data_list = data_list =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* Create each table data segment */
- for (i = 0; i < module->table_init_data_count; i++) {
- uint32 mode, elem_type;
- uint32 table_index, init_expr_type, value_count;
- uint64 init_expr_value, size1;
- read_uint32(buf, buf_end, mode);
- read_uint32(buf, buf_end, elem_type);
- read_uint32(buf, buf_end, table_index);
- read_uint32(buf, buf_end, init_expr_type);
- read_uint64(buf, buf_end, init_expr_value);
- #if WASM_ENABLE_GC != 0
- if (wasm_is_type_multi_byte_type(elem_type)) {
- uint16 ref_type, nullable;
- read_uint16(buf, buf_end, ref_type);
- if (elem_type != ref_type) {
- set_error_buf(error_buf, error_buf_size, "invalid elem type");
- return false;
- }
- reftype.ref_ht_common.ref_type = (uint8)ref_type;
- read_uint16(buf, buf_end, nullable);
- if (nullable != 0 && nullable != 1) {
- set_error_buf(error_buf, error_buf_size,
- "invalid nullable value");
- return false;
- }
- reftype.ref_ht_common.nullable = (uint8)nullable;
- read_uint32(buf, buf_end, reftype.ref_ht_common.heap_type);
- }
- else
- #endif
- {
- /* Skip 8 byte(2+2+4) for ref type info */
- buf += 8;
- }
- read_uint32(buf, buf_end, value_count);
- size1 = sizeof(InitializerExpression) * (uint64)value_count;
- size = offsetof(AOTTableInitData, init_values) + size1;
- if (!(data_list[i] = loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- data_list[i]->mode = mode;
- data_list[i]->elem_type = elem_type;
- data_list[i]->table_index = table_index;
- #if WASM_ENABLE_GC != 0
- if (wasm_is_type_multi_byte_type(elem_type)) {
- if (!(data_list[i]->elem_ref_type =
- reftype_set_insert(module->ref_type_set, &reftype,
- error_buf, error_buf_size))) {
- goto fail;
- }
- }
- #endif
- data_list[i]->offset.init_expr_type = (uint8)init_expr_type;
- data_list[i]->offset.u.i64 = (int64)init_expr_value;
- data_list[i]->value_count = value_count;
- for (j = 0; j < data_list[i]->value_count; j++) {
- if (!load_init_expr(&buf, buf_end, module,
- &data_list[i]->init_values[j], error_buf,
- error_buf_size))
- return false;
- }
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_table_info(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->import_table_count);
- if (module->import_table_count > 0
- && !load_import_table_list(&buf, buf_end, module, error_buf,
- error_buf_size))
- return false;
- read_uint32(buf, buf_end, module->table_count);
- if (module->table_count > 0
- && !load_table_list(&buf, buf_end, module, error_buf, error_buf_size))
- return false;
- read_uint32(buf, buf_end, module->table_init_data_count);
- /* load table init data list */
- if (module->table_init_data_count > 0
- && !load_table_init_data_list(&buf, buf_end, module, error_buf,
- error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static void
- destroy_type(AOTType *type)
- {
- #if WASM_ENABLE_GC != 0
- if (type->ref_count > 1) {
- /* The type is referenced by other types
- of current aot module */
- type->ref_count--;
- return;
- }
- if (type->type_flag == WASM_TYPE_FUNC) {
- AOTFuncType *func_type = (AOTFuncType *)type;
- if (func_type->ref_type_maps != NULL) {
- bh_assert(func_type->ref_type_map_count > 0);
- wasm_runtime_free(func_type->ref_type_maps);
- }
- }
- else if (type->type_flag == WASM_TYPE_STRUCT) {
- AOTStructType *struct_type = (AOTStructType *)type;
- if (struct_type->ref_type_maps != NULL) {
- bh_assert(struct_type->ref_type_map_count > 0);
- wasm_runtime_free(struct_type->ref_type_maps);
- }
- }
- #endif
- wasm_runtime_free(type);
- }
- static void
- destroy_types(AOTType **types, uint32 count)
- {
- uint32 i;
- for (i = 0; i < count; i++) {
- if (types[i]) {
- destroy_type(types[i]);
- }
- }
- wasm_runtime_free(types);
- }
- #if WASM_ENABLE_GC != 0
- static void
- init_base_type(AOTType *base_type, uint32 type_idx, uint16 type_flag,
- bool is_sub_final, uint32 parent_type_idx, uint16 rec_count,
- uint16 rec_idx)
- {
- base_type->type_flag = type_flag;
- base_type->ref_count = 1;
- base_type->is_sub_final = is_sub_final;
- base_type->parent_type_idx = parent_type_idx;
- base_type->rec_count = rec_count;
- base_type->rec_idx = rec_idx;
- base_type->rec_begin_type_idx = type_idx - rec_idx;
- }
- static bool
- load_types(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTType **types;
- uint64 size;
- uint32 i, j;
- uint32 type_flag, param_cell_num, ret_cell_num;
- uint16 param_count, result_count, ref_type_map_count, rec_count, rec_idx;
- bool is_equivalence_type, is_sub_final;
- uint32 parent_type_idx;
- WASMRefType ref_type;
- /* Allocate memory */
- size = sizeof(AOTFuncType *) * (uint64)module->type_count;
- if (!(types = loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- module->types = types;
- /* Create each type */
- for (i = 0; i < module->type_count; i++) {
- buf = align_ptr(buf, 4);
- /* Read base type info */
- read_uint16(buf, buf_end, type_flag);
- read_uint8(buf, buf_end, is_equivalence_type);
- /* If there is an equivalence type, reuse it */
- if (is_equivalence_type) {
- uint8 u8;
- /* padding */
- read_uint8(buf, buf_end, u8);
- (void)u8;
- read_uint32(buf, buf_end, j);
- if (module->types[j]->ref_count == UINT16_MAX) {
- set_error_buf(error_buf, error_buf_size,
- "wasm type's ref count too large");
- goto fail;
- }
- module->types[j]->ref_count++;
- module->types[i] = module->types[j];
- continue;
- }
- read_uint8(buf, buf_end, is_sub_final);
- read_uint32(buf, buf_end, parent_type_idx);
- read_uint16(buf, buf_end, rec_count);
- read_uint16(buf, buf_end, rec_idx);
- if (type_flag == WASM_TYPE_FUNC) {
- AOTFuncType *func_type;
- /* Read param count */
- read_uint16(buf, buf_end, param_count);
- /* Read result count */
- read_uint16(buf, buf_end, result_count);
- /* Read ref_type_map_count */
- read_uint16(buf, buf_end, ref_type_map_count);
- func_type =
- loader_malloc(sizeof(AOTFuncType) + param_count + result_count,
- error_buf, error_buf_size);
- if (!func_type) {
- goto fail;
- }
- types[i] = (AOTType *)func_type;
- init_base_type((AOTType *)func_type, i, type_flag, is_sub_final,
- parent_type_idx, rec_count, rec_idx);
- func_type->param_count = param_count;
- func_type->result_count = result_count;
- /* Read types of params */
- read_byte_array(buf, buf_end, func_type->types,
- func_type->param_count + func_type->result_count);
- func_type->ref_type_map_count = ref_type_map_count;
- if (!is_valid_func_type(func_type))
- goto fail;
- param_cell_num = wasm_get_cell_num(func_type->types, param_count);
- ret_cell_num =
- wasm_get_cell_num(func_type->types + param_count, result_count);
- if (param_cell_num > UINT16_MAX || ret_cell_num > UINT16_MAX) {
- set_error_buf(error_buf, error_buf_size,
- "param count or result count too large");
- goto fail;
- }
- func_type->param_cell_num = param_cell_num;
- func_type->ret_cell_num = ret_cell_num;
- #if WASM_ENABLE_QUICK_AOT_ENTRY != 0
- func_type->quick_aot_entry =
- wasm_native_lookup_quick_aot_entry(func_type);
- #endif
- LOG_VERBOSE("type %u: func, param count: %d, result count: %d, "
- "ref type map count: %d",
- i, param_count, result_count, ref_type_map_count);
- /* If ref_type_map is not empty, read ref_type_map */
- if (ref_type_map_count > 0) {
- bh_assert(func_type->ref_type_map_count
- <= func_type->param_count + func_type->result_count);
- /* align to 4 since param_count + result_count may be odd */
- buf = align_ptr(buf, 4);
- if (!(func_type->ref_type_maps =
- loader_malloc(sizeof(WASMRefTypeMap)
- * func_type->ref_type_map_count,
- error_buf, error_buf_size))) {
- goto fail;
- }
- for (j = 0; j < func_type->ref_type_map_count; j++) {
- read_uint16(buf, buf_end,
- func_type->ref_type_maps[j].index);
- read_uint8(buf, buf_end, ref_type.ref_ht_common.ref_type);
- read_uint8(buf, buf_end, ref_type.ref_ht_common.nullable);
- read_uint32(buf, buf_end, ref_type.ref_ht_common.heap_type);
- /* TODO: check ref_type */
- if (!(func_type->ref_type_maps[j].ref_type =
- wasm_reftype_set_insert(module->ref_type_set,
- &ref_type))) {
- set_error_buf(error_buf, error_buf_size,
- "insert ref type to hash set failed");
- goto fail;
- }
- }
- func_type->result_ref_type_maps = func_type->ref_type_maps;
- for (j = 0; j < func_type->param_count; j++) {
- if (wasm_is_type_multi_byte_type(func_type->types[j]))
- func_type->result_ref_type_maps++;
- }
- }
- }
- else if (type_flag == WASM_TYPE_STRUCT) {
- AOTStructType *struct_type;
- const uint8 *buf_org;
- uint16 *reference_table;
- uint16 field_count, ref_field_count = 0;
- uint32 offset;
- read_uint16(buf, buf_end, field_count);
- read_uint16(buf, buf_end, ref_type_map_count);
- buf_org = buf;
- /* Traverse first time to get ref_field_count */
- for (j = 0; j < field_count; j++) {
- uint8 field_flags, field_type;
- read_uint8(buf, buf_end, field_flags);
- read_uint8(buf, buf_end, field_type);
- if (wasm_is_type_reftype(field_type))
- ref_field_count++;
- (void)field_flags;
- }
- struct_type = loader_malloc(
- sizeof(AOTStructType)
- + sizeof(WASMStructFieldType) * (uint64)field_count
- + sizeof(uint16) * (uint64)(ref_field_count + 1),
- error_buf, error_buf_size);
- if (!struct_type) {
- goto fail;
- }
- offset = (uint32)offsetof(WASMStructObject, field_data);
- types[i] = (AOTType *)struct_type;
- init_base_type((AOTType *)struct_type, i, type_flag, is_sub_final,
- parent_type_idx, rec_count, rec_idx);
- struct_type->field_count = field_count;
- struct_type->ref_type_map_count = ref_type_map_count;
- struct_type->reference_table = reference_table =
- (uint16 *)((uint8 *)struct_type
- + offsetof(AOTStructType, fields)
- + sizeof(WASMStructFieldType) * field_count);
- *reference_table++ = ref_field_count;
- LOG_VERBOSE(
- "type %u: struct, field count: %d, ref type map count: %d", i,
- field_count, ref_type_map_count);
- buf = buf_org;
- /* Traverse again to read each field */
- for (j = 0; j < field_count; j++) {
- uint8 field_type, field_size;
- read_uint8(buf, buf_end, struct_type->fields[j].field_flags);
- read_uint8(buf, buf_end, field_type);
- struct_type->fields[j].field_type = field_type;
- struct_type->fields[j].field_size = field_size =
- (uint8)wasm_reftype_size(field_type);
- #if !(defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64) \
- || defined(BUILD_TARGET_X86_32))
- if (field_size == 2)
- offset = align_uint(offset, 2);
- else if (field_size >= 4) /* field size is 4 or 8 */
- offset = align_uint(offset, 4);
- #endif
- struct_type->fields[j].field_offset = offset;
- if (wasm_is_type_reftype(field_type))
- *reference_table++ = offset;
- offset += field_size;
- LOG_VERBOSE(" field: %d, flags: %d, type: %d", j,
- struct_type->fields[j].field_flags,
- struct_type->fields[j].field_type);
- }
- struct_type->total_size = offset;
- buf = align_ptr(buf, 4);
- /* If ref_type_map is not empty, read ref_type_map */
- if (ref_type_map_count > 0) {
- bh_assert(struct_type->ref_type_map_count <= field_count);
- if (!(struct_type->ref_type_maps =
- loader_malloc(sizeof(WASMRefTypeMap)
- * struct_type->ref_type_map_count,
- error_buf, error_buf_size))) {
- goto fail;
- }
- for (j = 0; j < struct_type->ref_type_map_count; j++) {
- read_uint16(buf, buf_end,
- struct_type->ref_type_maps[j].index);
- read_uint8(buf, buf_end, ref_type.ref_ht_common.ref_type);
- read_uint8(buf, buf_end, ref_type.ref_ht_common.nullable);
- read_uint32(buf, buf_end, ref_type.ref_ht_common.heap_type);
- /* TODO: check ref_type */
- if (!(struct_type->ref_type_maps[j].ref_type =
- wasm_reftype_set_insert(module->ref_type_set,
- &ref_type))) {
- set_error_buf(error_buf, error_buf_size,
- "insert ref type to hash set failed");
- goto fail;
- }
- }
- }
- }
- else if (type_flag == WASM_TYPE_ARRAY) {
- AOTArrayType *array_type;
- array_type =
- loader_malloc(sizeof(AOTArrayType), error_buf, error_buf_size);
- if (!array_type) {
- goto fail;
- }
- types[i] = (AOTType *)array_type;
- init_base_type((AOTType *)array_type, i, type_flag, is_sub_final,
- parent_type_idx, rec_count, rec_idx);
- read_uint16(buf, buf_end, array_type->elem_flags);
- read_uint8(buf, buf_end, array_type->elem_type);
- if (wasm_is_type_multi_byte_type(array_type->elem_type)) {
- read_uint8(buf, buf_end, ref_type.ref_ht_common.nullable);
- read_uint32(buf, buf_end, ref_type.ref_ht_common.heap_type);
- ref_type.ref_type = array_type->elem_type;
- /* TODO: check ref_type */
- if (!(array_type->elem_ref_type = wasm_reftype_set_insert(
- module->ref_type_set, &ref_type))) {
- set_error_buf(error_buf, error_buf_size,
- "insert ref type to hash set failed");
- goto fail;
- }
- }
- LOG_VERBOSE("type %u: array", i);
- }
- else {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid type flag: %" PRIu32, type_flag);
- goto fail;
- }
- if ((rec_count == 0) || (rec_idx == rec_count - 1)) {
- if (rec_count == 0) {
- bh_assert(rec_idx == 0);
- }
- for (j = i - rec_idx; j <= i; j++) {
- AOTType *cur_type = module->types[j];
- parent_type_idx = cur_type->parent_type_idx;
- if (parent_type_idx != (uint32)-1) { /* has parent */
- AOTType *parent_type = module->types[parent_type_idx];
- module->types[j]->parent_type = parent_type;
- module->types[j]->root_type = parent_type->root_type;
- if (parent_type->inherit_depth == UINT16_MAX) {
- set_error_buf(error_buf, error_buf_size,
- "parent type's inherit depth too large");
- goto fail;
- }
- module->types[j]->inherit_depth =
- parent_type->inherit_depth + 1;
- }
- else {
- module->types[j]->parent_type = NULL;
- module->types[j]->root_type = module->types[j];
- module->types[j]->inherit_depth = 0;
- }
- }
- for (j = i - rec_idx; j <= i; j++) {
- AOTType *cur_type = module->types[j];
- parent_type_idx = cur_type->parent_type_idx;
- if (parent_type_idx != (uint32)-1) { /* has parent */
- AOTType *parent_type = module->types[parent_type_idx];
- /* subtyping has been checked during compilation */
- bh_assert(wasm_type_is_subtype_of(
- module->types[j], parent_type, module->types, i + 1));
- (void)parent_type;
- }
- }
- }
- }
- if (module->type_count) {
- if (!(module->rtt_types = loader_malloc((uint64)sizeof(WASMRttType *)
- * module->type_count,
- error_buf, error_buf_size))) {
- goto fail;
- }
- }
- *p_buf = buf;
- return true;
- fail:
- /* Destroy all types */
- destroy_types(types, module->type_count);
- module->types = NULL;
- return false;
- }
- #else
- static bool
- load_types(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTFuncType **func_types;
- uint64 size;
- uint32 i;
- /* Allocate memory */
- size = sizeof(AOTFuncType *) * (uint64)module->type_count;
- if (!(func_types = loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- module->types = (AOTType **)func_types;
- /* Create each function type */
- for (i = 0; i < module->type_count; i++) {
- uint32 type_flag;
- uint32 param_count, result_count;
- uint32 param_cell_num, ret_cell_num;
- uint64 size1;
- buf = align_ptr(buf, 4);
- read_uint16(buf, buf_end, type_flag);
- read_uint16(buf, buf_end, param_count);
- read_uint16(buf, buf_end, result_count);
- size1 = (uint64)param_count + (uint64)result_count;
- size = offsetof(AOTFuncType, types) + size1;
- if (!(func_types[i] = loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- func_types[i]->param_count = (uint16)param_count;
- func_types[i]->result_count = (uint16)result_count;
- read_byte_array(buf, buf_end, func_types[i]->types, (uint32)size1);
- if (!is_valid_func_type(func_types[i]))
- goto fail;
- param_cell_num = wasm_get_cell_num(func_types[i]->types, param_count);
- ret_cell_num =
- wasm_get_cell_num(func_types[i]->types + param_count, result_count);
- if (param_cell_num > UINT16_MAX || ret_cell_num > UINT16_MAX) {
- set_error_buf(error_buf, error_buf_size,
- "param count or result count too large");
- return false;
- }
- func_types[i]->param_cell_num = (uint16)param_cell_num;
- func_types[i]->ret_cell_num = (uint16)ret_cell_num;
- #if WASM_ENABLE_QUICK_AOT_ENTRY != 0
- func_types[i]->quick_aot_entry =
- wasm_native_lookup_quick_aot_entry(func_types[i]);
- #endif
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- #endif /* end of WASM_ENABLE_GC != 0 */
- static bool
- load_type_info(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->type_count);
- /* load function type */
- if (module->type_count > 0
- && !load_types(&buf, buf_end, module, error_buf, error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static void
- destroy_import_globals(AOTImportGlobal *import_globals)
- {
- wasm_runtime_free(import_globals);
- }
- static bool
- load_import_globals(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTImportGlobal *import_globals;
- uint64 size;
- uint32 i, data_offset = 0;
- #if WASM_ENABLE_LIBC_BUILTIN != 0
- WASMGlobalImport tmp_global;
- #endif
- /* Allocate memory */
- size = sizeof(AOTImportGlobal) * (uint64)module->import_global_count;
- if (!(module->import_globals = import_globals =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* Create each import global */
- for (i = 0; i < module->import_global_count; i++) {
- buf = (uint8 *)align_ptr(buf, 2);
- read_uint8(buf, buf_end, import_globals[i].type.val_type);
- read_uint8(buf, buf_end, import_globals[i].type.is_mutable);
- read_string(buf, buf_end, import_globals[i].module_name);
- read_string(buf, buf_end, import_globals[i].global_name);
- if (!is_valid_value_type(import_globals[i].type.val_type)) {
- return false;
- }
- #if WASM_ENABLE_LIBC_BUILTIN != 0
- if (wasm_native_lookup_libc_builtin_global(
- import_globals[i].module_name, import_globals[i].global_name,
- &tmp_global)) {
- if (tmp_global.type.val_type != import_globals[i].type.val_type
- || tmp_global.type.is_mutable
- != import_globals[i].type.is_mutable) {
- set_error_buf(error_buf, error_buf_size,
- "incompatible import type");
- return false;
- }
- import_globals[i].global_data_linked =
- tmp_global.global_data_linked;
- import_globals[i].is_linked = true;
- }
- #else
- import_globals[i].is_linked = false;
- #endif
- import_globals[i].size =
- wasm_value_type_size(import_globals[i].type.val_type);
- import_globals[i].data_offset = data_offset;
- data_offset += import_globals[i].size;
- module->global_data_size += import_globals[i].size;
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_import_global_info(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->import_global_count);
- /* load import globals */
- if (module->import_global_count > 0
- && !load_import_globals(&buf, buf_end, module, is_load_from_file_buf,
- error_buf, error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static void
- destroy_globals(AOTGlobal *globals)
- {
- wasm_runtime_free(globals);
- }
- static bool
- load_globals(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTGlobal *globals;
- uint64 size;
- uint32 i, data_offset = 0;
- AOTImportGlobal *last_import_global;
- /* Allocate memory */
- size = sizeof(AOTGlobal) * (uint64)module->global_count;
- if (!(module->globals = globals =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- if (module->import_global_count > 0) {
- last_import_global =
- &module->import_globals[module->import_global_count - 1];
- data_offset =
- last_import_global->data_offset + last_import_global->size;
- }
- /* Create each global */
- for (i = 0; i < module->global_count; i++) {
- read_uint8(buf, buf_end, globals[i].type.val_type);
- read_uint8(buf, buf_end, globals[i].type.is_mutable);
- if (!is_valid_value_type(globals[i].type.val_type))
- return false;
- buf = align_ptr(buf, 4);
- if (!load_init_expr(&buf, buf_end, module, &globals[i].init_expr,
- error_buf, error_buf_size))
- return false;
- globals[i].size = wasm_value_type_size(globals[i].type.val_type);
- globals[i].data_offset = data_offset;
- data_offset += globals[i].size;
- module->global_data_size += globals[i].size;
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_global_info(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->global_count);
- if (is_indices_overflow(module->import_global_count, module->global_count,
- error_buf, error_buf_size))
- return false;
- /* load globals */
- if (module->global_count > 0
- && !load_globals(&buf, buf_end, module, error_buf, error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static void
- destroy_import_funcs(AOTImportFunc *import_funcs)
- {
- wasm_runtime_free(import_funcs);
- }
- static bool
- load_import_funcs(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- bool is_load_from_file_buf, bool no_resolve, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTImportFunc *import_funcs;
- uint64 size;
- uint32 i;
- /* Allocate memory */
- size = sizeof(AOTImportFunc) * (uint64)module->import_func_count;
- if (!(module->import_funcs = import_funcs =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* Create each import func */
- for (i = 0; i < module->import_func_count; i++) {
- read_uint16(buf, buf_end, import_funcs[i].func_type_index);
- if (import_funcs[i].func_type_index >= module->type_count) {
- set_error_buf(error_buf, error_buf_size, "unknown type");
- return false;
- }
- import_funcs[i].func_type =
- (AOTFuncType *)module->types[import_funcs[i].func_type_index];
- read_string(buf, buf_end, import_funcs[i].module_name);
- read_string(buf, buf_end, import_funcs[i].func_name);
- import_funcs[i].attachment = NULL;
- import_funcs[i].signature = NULL;
- import_funcs[i].call_conv_raw = false;
- if (!no_resolve) {
- aot_resolve_import_func(module, &import_funcs[i]);
- }
- #if WASM_ENABLE_LIBC_WASI != 0
- if (!strcmp(import_funcs[i].module_name, "wasi_unstable")
- || !strcmp(import_funcs[i].module_name, "wasi_snapshot_preview1"))
- module->import_wasi_api = true;
- #endif
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_import_func_info(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- bool no_resolve, char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->import_func_count);
- /* load import funcs */
- if (module->import_func_count > 0
- && !load_import_funcs(&buf, buf_end, module, is_load_from_file_buf,
- no_resolve, error_buf, error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static void
- destroy_object_data_sections(AOTObjectDataSection *data_sections,
- uint32 data_section_count)
- {
- uint32 i;
- AOTObjectDataSection *data_section = data_sections;
- for (i = 0; i < data_section_count; i++, data_section++)
- if (data_section->data) {
- #if WASM_ENABLE_STATIC_PGO != 0
- if (!strncmp(data_section->name, "__llvm_prf_data", 15)) {
- LLVMProfileData *data = (LLVMProfileData *)data_section->data;
- if (data->values) {
- uint32 num_value_sites =
- data->num_value_sites[0] + data->num_value_sites[1];
- uint32 j;
- for (j = 0; j < num_value_sites; j++) {
- ValueProfNode *node = data->values[j], *node_next;
- while (node) {
- node_next = node->next;
- wasm_runtime_free(node);
- node = node_next;
- }
- }
- wasm_runtime_free(data->values);
- }
- }
- #endif
- }
- wasm_runtime_free(data_sections);
- }
- static bool
- load_object_data_sections(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTObjectDataSection *data_sections;
- uint64 size;
- uint32 i;
- uint64 total_size = 0;
- uint32 page_size = os_getpagesize();
- uint8 *merged_sections = NULL;
- /* Allocate memory */
- size = sizeof(AOTObjectDataSection) * (uint64)module->data_section_count;
- if (!(module->data_sections = data_sections =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* First iteration: read data from buf, and calculate total memory needed */
- for (i = 0; i < module->data_section_count; i++) {
- read_string(buf, buf_end, data_sections[i].name);
- read_uint32(buf, buf_end, data_sections[i].size);
- CHECK_BUF(buf, buf_end, data_sections[i].size);
- /* Temporary record data ptr for merge, will be replaced after the
- merged_data_sections is mmapped */
- if (data_sections[i].size > 0)
- data_sections[i].data = (uint8 *)buf;
- buf += data_sections[i].size;
- total_size += align_uint64((uint64)data_sections[i].size, page_size);
- }
- if (total_size > UINT32_MAX) {
- set_error_buf(error_buf, error_buf_size, "data sections too large");
- return false;
- }
- if (total_size > 0) {
- /* Allocate memory for data */
- merged_sections = module->merged_data_sections =
- loader_mmap((uint32)total_size, false, error_buf, error_buf_size);
- if (!merged_sections) {
- return false;
- }
- module->merged_data_sections_size = (uint32)total_size;
- }
- /* Second iteration: Create each data section */
- for (i = 0; i < module->data_section_count; i++) {
- if (data_sections[i].size > 0) {
- bh_memcpy_s(merged_sections, data_sections[i].size,
- data_sections[i].data, data_sections[i].size);
- data_sections[i].data = merged_sections;
- merged_sections += align_uint(data_sections[i].size, page_size);
- }
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_object_data_sections_info(const uint8 **p_buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- read_uint32(buf, buf_end, module->data_section_count);
- /* load object data sections */
- if (module->data_section_count > 0
- && !load_object_data_sections(&buf, buf_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- return false;
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_init_data_section(const uint8 *buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- bool no_resolve, char *error_buf, uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf_end;
- if (!load_memory_info(&p, p_end, module, error_buf, error_buf_size)
- || !load_table_info(&p, p_end, module, error_buf, error_buf_size)
- || !load_type_info(&p, p_end, module, error_buf, error_buf_size)
- || !load_import_global_info(&p, p_end, module, is_load_from_file_buf,
- error_buf, error_buf_size)
- || !load_global_info(&p, p_end, module, error_buf, error_buf_size)
- || !load_import_func_info(&p, p_end, module, is_load_from_file_buf,
- no_resolve, error_buf, error_buf_size))
- return false;
- /* load function count and start function index */
- read_uint32(p, p_end, module->func_count);
- if (is_indices_overflow(module->import_func_count, module->func_count,
- error_buf, error_buf_size))
- return false;
- read_uint32(p, p_end, module->start_func_index);
- /* check start function index */
- if (module->start_func_index != (uint32)-1
- && (module->start_func_index
- >= module->import_func_count + module->func_count)) {
- set_error_buf(error_buf, error_buf_size,
- "invalid start function index");
- return false;
- }
- read_uint32(p, p_end, module->aux_data_end_global_index);
- read_uint64(p, p_end, module->aux_data_end);
- read_uint32(p, p_end, module->aux_heap_base_global_index);
- read_uint64(p, p_end, module->aux_heap_base);
- read_uint32(p, p_end, module->aux_stack_top_global_index);
- read_uint64(p, p_end, module->aux_stack_bottom);
- read_uint32(p, p_end, module->aux_stack_size);
- if (module->aux_data_end >= MAX_LINEAR_MEMORY_SIZE
- || module->aux_heap_base >= MAX_LINEAR_MEMORY_SIZE
- || module->aux_stack_bottom >= MAX_LINEAR_MEMORY_SIZE) {
- set_error_buf(
- error_buf, error_buf_size,
- "invalid range of aux_date_end/aux_heap_base/aux_stack_bottom");
- return false;
- }
- if (!load_object_data_sections_info(&p, p_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- return false;
- if (p != p_end) {
- set_error_buf(error_buf, error_buf_size,
- "invalid init data section size");
- return false;
- }
- return true;
- fail:
- return false;
- }
- #if !defined(BH_PLATFORM_NUTTX) && !defined(BH_PLATFORM_ESP_IDF)
- static bool
- try_merge_data_and_text(const uint8 **buf, const uint8 **buf_end,
- AOTModule *module, char *error_buf,
- uint32 error_buf_size)
- {
- uint8 *old_buf = (uint8 *)*buf;
- uint8 *old_end = (uint8 *)*buf_end;
- size_t code_size = (size_t)(old_end - old_buf);
- uint32 page_size = os_getpagesize();
- uint64 total_size = 0;
- uint32 i;
- uint8 *sections;
- if (code_size == 0) {
- return true;
- }
- /* calculate the total memory needed */
- total_size += align_uint64((uint64)code_size, page_size);
- for (i = 0; i < module->data_section_count; ++i) {
- total_size +=
- align_uint64((uint64)module->data_sections[i].size, page_size);
- }
- /* distance between .data and .text should not be greater than 4GB
- for some targets (e.g. arm64 reloc need < 4G distance) */
- if (total_size > UINT32_MAX) {
- return false;
- }
- /* code_size was checked and must be larger than 0 here */
- bh_assert(total_size > 0);
- sections = loader_mmap((uint32)total_size, false, NULL, 0);
- if (!sections) {
- /* merge failed but may be not critical for some targets */
- return false;
- }
- #ifdef BH_PLATFORM_WINDOWS
- if (!os_mem_commit(sections, code_size,
- MMAP_PROT_READ | MMAP_PROT_WRITE | MMAP_PROT_EXEC)) {
- os_munmap(sections, (uint32)total_size);
- return false;
- }
- #endif
- /* change the code part to be executable */
- if (os_mprotect(sections, code_size,
- MMAP_PROT_READ | MMAP_PROT_WRITE | MMAP_PROT_EXEC)
- != 0) {
- os_munmap(sections, (uint32)total_size);
- return false;
- }
- module->merged_data_text_sections = sections;
- module->merged_data_text_sections_size = (uint32)total_size;
- /* order not essential just as compiler does: .text section first */
- *buf = sections;
- *buf_end = sections + code_size;
- bh_memcpy_s(sections, (uint32)code_size, old_buf, (uint32)code_size);
- os_munmap(old_buf, code_size);
- sections += align_uint((uint32)code_size, page_size);
- /* then migrate .data sections */
- for (i = 0; i < module->data_section_count; ++i) {
- AOTObjectDataSection *data_section = module->data_sections + i;
- uint8 *old_data = data_section->data;
- data_section->data = sections;
- bh_memcpy_s(data_section->data, data_section->size, old_data,
- data_section->size);
- sections += align_uint(data_section->size, page_size);
- }
- /* free the original data sections */
- if (module->merged_data_sections) {
- os_munmap(module->merged_data_sections,
- module->merged_data_sections_size);
- module->merged_data_sections = NULL;
- module->merged_data_sections_size = 0;
- }
- return true;
- }
- #endif /* ! defined(BH_PLATFORM_NUTTX) && !defined(BH_PLATFORM_ESP_IDF) */
- static bool
- load_text_section(const uint8 *buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- uint8 *plt_base;
- if (module->func_count > 0 && buf_end == buf) {
- set_error_buf(error_buf, error_buf_size, "invalid code size");
- return false;
- }
- /* The layout is: literal size + literal + code (with plt table) */
- read_uint32(buf, buf_end, module->literal_size);
- /* literal data is at beginning of the text section */
- module->literal = (uint8 *)buf;
- module->code = (void *)(buf + module->literal_size);
- module->code_size = (uint32)(buf_end - (uint8 *)module->code);
- #if WASM_ENABLE_DEBUG_AOT != 0
- module->elf_size = module->code_size;
- if (is_ELF(module->code)) {
- /* Now code points to an ELF object, we pull it down to .text section */
- uint64 offset;
- uint64 size;
- char *code_buf = module->code;
- module->elf_hdr = code_buf;
- if (!get_text_section(code_buf, &offset, &size)) {
- set_error_buf(error_buf, error_buf_size,
- "get text section of ELF failed");
- return false;
- }
- module->code = code_buf + offset;
- module->code_size -= (uint32)offset;
- }
- #endif
- if ((module->code_size > 0) && !module->is_indirect_mode) {
- plt_base = (uint8 *)buf_end - get_plt_table_size();
- init_plt_table(plt_base);
- }
- return true;
- fail:
- return false;
- }
- static bool
- load_function_section(const uint8 *buf, const uint8 *buf_end, AOTModule *module,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf_end;
- uint32 i;
- uint64 size, text_offset;
- size = sizeof(void *) * (uint64)module->func_count;
- if (size > 0
- && !(module->func_ptrs =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- for (i = 0; i < module->func_count; i++) {
- if (sizeof(void *) == 8) {
- read_uint64(p, p_end, text_offset);
- }
- else {
- uint32 text_offset32;
- read_uint32(p, p_end, text_offset32);
- text_offset = text_offset32;
- }
- if (text_offset >= module->code_size) {
- set_error_buf(error_buf, error_buf_size,
- "invalid function code offset");
- return false;
- }
- module->func_ptrs[i] = (uint8 *)module->code + text_offset;
- #if defined(BUILD_TARGET_THUMB) || defined(BUILD_TARGET_THUMB_VFP)
- /* bits[0] of thumb function address must be 1 */
- module->func_ptrs[i] = (void *)((uintptr_t)module->func_ptrs[i] | 1);
- #endif
- }
- /* Set start function when function pointers are resolved */
- if (module->start_func_index != (uint32)-1) {
- if (module->start_func_index >= module->import_func_count)
- module->start_function =
- module->func_ptrs[module->start_func_index
- - module->import_func_count];
- else
- /* TODO: fix start function can be import function issue */
- module->start_function = NULL;
- }
- else {
- module->start_function = NULL;
- }
- size = sizeof(uint32) * (uint64)module->func_count;
- if (size > 0
- && !(module->func_type_indexes =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- for (i = 0; i < module->func_count; i++) {
- read_uint32(p, p_end, module->func_type_indexes[i]);
- if (module->func_type_indexes[i] >= module->type_count) {
- set_error_buf(error_buf, error_buf_size, "unknown type");
- return false;
- }
- }
- size = sizeof(uint32) * (uint64)module->func_count;
- if (size > 0) {
- #if WASM_ENABLE_AOT_STACK_FRAME != 0
- if (!(module->max_local_cell_nums =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- for (i = 0; i < module->func_count; i++) {
- read_uint32(p, p_end, module->max_local_cell_nums[i]);
- }
- if (!(module->max_stack_cell_nums =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- for (i = 0; i < module->func_count; i++) {
- read_uint32(p, p_end, module->max_stack_cell_nums[i]);
- }
- #else
- /* Ignore max_local_cell_num and max_stack_cell_num of each function */
- CHECK_BUF(p, p_end, ((uint32)size * 2));
- p += (uint32)size * 2;
- #endif
- }
- #if WASM_ENABLE_GC != 0
- /* Local(params and locals) ref flags for all import and non-imported
- * functions. The flags indicate whether each cell in the AOTFrame local
- * area is a GC reference. */
- size = sizeof(LocalRefFlag)
- * (uint64)(module->import_func_count + module->func_count);
- if (size > 0) {
- if (!(module->func_local_ref_flags =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- for (i = 0; i < module->import_func_count + module->func_count; i++) {
- uint32 local_ref_flag_cell_num;
- buf = (uint8 *)align_ptr(buf, sizeof(uint32));
- read_uint32(
- p, p_end,
- module->func_local_ref_flags[i].local_ref_flag_cell_num);
- local_ref_flag_cell_num =
- module->func_local_ref_flags[i].local_ref_flag_cell_num;
- size = sizeof(uint8) * (uint64)local_ref_flag_cell_num;
- if (size > 0) {
- if (!(module->func_local_ref_flags[i].local_ref_flags =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- read_byte_array(p, p_end,
- module->func_local_ref_flags[i].local_ref_flags,
- local_ref_flag_cell_num);
- }
- }
- }
- #endif /* end of WASM_ENABLE_GC != 0 */
- if (p != buf_end) {
- set_error_buf(error_buf, error_buf_size,
- "invalid function section size");
- return false;
- }
- return true;
- fail:
- return false;
- }
- static void
- destroy_exports(AOTExport *exports)
- {
- wasm_runtime_free(exports);
- }
- static int
- cmp_export_name(const void *a, const void *b)
- {
- return strcmp(*(char **)a, *(char **)b);
- }
- static bool
- check_duplicate_exports(AOTModule *module, char *error_buf,
- uint32 error_buf_size)
- {
- uint32 i;
- bool result = false;
- char *names_buf[32], **names = names_buf;
- if (module->export_count > 32) {
- names = loader_malloc(module->export_count * sizeof(char *), error_buf,
- error_buf_size);
- if (!names) {
- return result;
- }
- }
- for (i = 0; i < module->export_count; i++) {
- names[i] = module->exports[i].name;
- }
- qsort(names, module->export_count, sizeof(char *), cmp_export_name);
- for (i = 1; i < module->export_count; i++) {
- if (!strcmp(names[i], names[i - 1])) {
- set_error_buf(error_buf, error_buf_size, "duplicate export name");
- goto cleanup;
- }
- }
- result = true;
- cleanup:
- if (module->export_count > 32) {
- wasm_runtime_free(names);
- }
- return result;
- }
- static bool
- load_exports(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
- bool is_load_from_file_buf, char *error_buf, uint32 error_buf_size)
- {
- const uint8 *buf = *p_buf;
- AOTExport *exports;
- uint64 size;
- uint32 i;
- /* Allocate memory */
- size = sizeof(AOTExport) * (uint64)module->export_count;
- if (!(module->exports = exports =
- loader_malloc(size, error_buf, error_buf_size))) {
- return false;
- }
- /* Create each export */
- for (i = 0; i < module->export_count; i++) {
- read_uint32(buf, buf_end, exports[i].index);
- read_uint8(buf, buf_end, exports[i].kind);
- read_string(buf, buf_end, exports[i].name);
- /* Check export kind and index */
- switch (exports[i].kind) {
- case EXPORT_KIND_FUNC:
- if (exports[i].index
- >= module->import_func_count + module->func_count) {
- set_error_buf(error_buf, error_buf_size,
- "unknown function");
- return false;
- }
- break;
- case EXPORT_KIND_TABLE:
- if (exports[i].index
- >= module->import_table_count + module->table_count) {
- set_error_buf(error_buf, error_buf_size, "unknown table");
- return false;
- }
- break;
- case EXPORT_KIND_MEMORY:
- if (exports[i].index
- >= module->import_memory_count + module->memory_count) {
- set_error_buf(error_buf, error_buf_size, "unknown memory");
- return false;
- }
- break;
- case EXPORT_KIND_GLOBAL:
- if (exports[i].index
- >= module->import_global_count + module->global_count) {
- set_error_buf(error_buf, error_buf_size, "unknown global");
- return false;
- }
- break;
- #if WASM_ENABLE_TAGS != 0
- /* TODO
- case EXPORT_KIND_TAG:
- if (index >= module->import_tag_count + module->tag_count) {
- set_error_buf(error_buf, error_buf_size, "unknown tag");
- return false;
- }
- break;
- */
- #endif
- default:
- set_error_buf(error_buf, error_buf_size, "invalid export kind");
- return false;
- }
- }
- if (module->export_count > 0) {
- if (!check_duplicate_exports(module, error_buf, error_buf_size)) {
- return false;
- }
- }
- *p_buf = buf;
- return true;
- fail:
- return false;
- }
- static bool
- load_export_section(const uint8 *buf, const uint8 *buf_end, AOTModule *module,
- bool is_load_from_file_buf, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf_end;
- /* load export functions */
- read_uint32(p, p_end, module->export_count);
- if (module->export_count > 0
- && !load_exports(&p, p_end, module, is_load_from_file_buf, error_buf,
- error_buf_size))
- return false;
- if (p != p_end) {
- set_error_buf(error_buf, error_buf_size, "invalid export section size");
- return false;
- }
- return true;
- fail:
- return false;
- }
- static void *
- get_data_section_addr(AOTModule *module, const char *section_name,
- uint32 *p_data_size)
- {
- uint32 i;
- AOTObjectDataSection *data_section = module->data_sections;
- for (i = 0; i < module->data_section_count; i++, data_section++) {
- if (!strcmp(data_section->name, section_name)) {
- if (p_data_size)
- *p_data_size = data_section->size;
- return data_section->data;
- }
- }
- return NULL;
- }
- const void *
- aot_get_data_section_addr(AOTModule *module, const char *section_name,
- uint32 *p_data_size)
- {
- return get_data_section_addr(module, section_name, p_data_size);
- }
- static void *
- resolve_target_sym(const char *symbol, int32 *p_index)
- {
- uint32 i, num = 0;
- SymbolMap *target_sym_map;
- if (!(target_sym_map = get_target_symbol_map(&num)))
- return NULL;
- for (i = 0; i < num; i++) {
- if (!strcmp(target_sym_map[i].symbol_name, symbol)
- #if defined(_WIN32) || defined(_WIN32_)
- /* In Win32, the symbol name of function added by
- LLVMAddFunction() is prefixed by '_', ignore it */
- || (strlen(symbol) > 1 && symbol[0] == '_'
- && !strcmp(target_sym_map[i].symbol_name, symbol + 1))
- #endif
- ) {
- *p_index = (int32)i;
- return target_sym_map[i].symbol_addr;
- }
- }
- return NULL;
- }
- static bool
- is_literal_relocation(const char *reloc_sec_name)
- {
- return !strcmp(reloc_sec_name, ".rela.literal");
- }
- static bool
- str2uint32(const char *buf, uint32 *p_res)
- {
- uint32 res = 0, val;
- const char *buf_end = buf + 8;
- char ch;
- while (buf < buf_end) {
- ch = *buf++;
- if (ch >= '0' && ch <= '9')
- val = ch - '0';
- else if (ch >= 'a' && ch <= 'f')
- val = ch - 'a' + 0xA;
- else if (ch >= 'A' && ch <= 'F')
- val = ch - 'A' + 0xA;
- else
- return false;
- res = (res << 4) | val;
- }
- *p_res = res;
- return true;
- }
- static bool
- str2uint64(const char *buf, uint64 *p_res)
- {
- uint64 res = 0, val;
- const char *buf_end = buf + 16;
- char ch;
- while (buf < buf_end) {
- ch = *buf++;
- if (ch >= '0' && ch <= '9')
- val = ch - '0';
- else if (ch >= 'a' && ch <= 'f')
- val = ch - 'a' + 0xA;
- else if (ch >= 'A' && ch <= 'F')
- val = ch - 'A' + 0xA;
- else
- return false;
- res = (res << 4) | val;
- }
- *p_res = res;
- return true;
- }
- #define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative offset to GOT */
- static bool
- is_text_section(const char *section_name)
- {
- return !strcmp(section_name, ".text") || !strcmp(section_name, ".ltext");
- }
- static bool
- do_text_relocation(AOTModule *module, AOTRelocationGroup *group,
- char *error_buf, uint32 error_buf_size)
- {
- bool is_literal = is_literal_relocation(group->section_name);
- uint8 *aot_text = is_literal ? module->literal : module->code;
- uint32 aot_text_size =
- is_literal ? module->literal_size : module->code_size;
- uint32 i, func_index, symbol_len;
- #if defined(BH_PLATFORM_WINDOWS)
- uint32 ymm_plt_index = 0, xmm_plt_index = 0;
- uint32 real_plt_index = 0, float_plt_index = 0, j;
- #endif
- char symbol_buf[128] = { 0 }, *symbol, *p;
- void *symbol_addr;
- AOTRelocation *relocation = group->relocations;
- if (group->relocation_count > 0 && !aot_text) {
- set_error_buf(error_buf, error_buf_size,
- "invalid text relocation count");
- return false;
- }
- for (i = 0; i < group->relocation_count; i++, relocation++) {
- int32 symbol_index = -1;
- symbol_len = (uint32)strlen(relocation->symbol_name);
- if (symbol_len + 1 <= sizeof(symbol_buf))
- symbol = symbol_buf;
- else {
- if (!(symbol = loader_malloc(symbol_len + 1, error_buf,
- error_buf_size))) {
- return false;
- }
- }
- bh_memcpy_s(symbol, symbol_len, relocation->symbol_name, symbol_len);
- symbol[symbol_len] = '\0';
- #if WASM_ENABLE_STATIC_PGO != 0
- if (!strcmp(symbol, "__llvm_profile_runtime")
- || !strcmp(symbol, "__llvm_profile_register_function")
- || !strcmp(symbol, "__llvm_profile_register_names_function")) {
- continue;
- }
- #endif
- if (!strncmp(symbol, AOT_FUNC_PREFIX, strlen(AOT_FUNC_PREFIX))) {
- p = symbol + strlen(AOT_FUNC_PREFIX);
- if (*p == '\0'
- || (func_index = (uint32)atoi(p)) > module->func_count) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid import symbol %s", symbol);
- goto check_symbol_fail;
- }
- #if (defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64)) \
- && !defined(BH_PLATFORM_WINDOWS)
- if (relocation->relocation_type == R_X86_64_GOTPCREL) {
- GOTItem *got_item = module->got_item_list;
- uint32 got_item_idx = 0;
- while (got_item) {
- if (got_item->func_idx == func_index)
- break;
- got_item_idx++;
- got_item = got_item->next;
- }
- /* Calculate `GOT + G` */
- symbol_addr = module->got_func_ptrs + got_item_idx;
- }
- else
- symbol_addr = module->func_ptrs[func_index];
- #else
- symbol_addr = module->func_ptrs[func_index];
- #endif
- }
- #if defined(BH_PLATFORM_WINDOWS) && defined(BUILD_TARGET_X86_32)
- /* AOT function name starts with '_' in windows x86-32 */
- else if (!strncmp(symbol, "_" AOT_FUNC_PREFIX,
- strlen("_" AOT_FUNC_PREFIX))) {
- p = symbol + strlen("_" AOT_FUNC_PREFIX);
- if (*p == '\0'
- || (func_index = (uint32)atoi(p)) > module->func_count) {
- set_error_buf_v(error_buf, error_buf_size, "invalid symbol %s",
- symbol);
- goto check_symbol_fail;
- }
- symbol_addr = module->func_ptrs[func_index];
- }
- else if (!strncmp(symbol, "_" AOT_FUNC_INTERNAL_PREFIX,
- strlen("_" AOT_FUNC_INTERNAL_PREFIX))) {
- p = symbol + strlen("_" AOT_FUNC_INTERNAL_PREFIX);
- if (*p == '\0'
- || (func_index = (uint32)atoi(p)) > module->func_count) {
- set_error_buf_v(error_buf, error_buf_size, "invalid symbol %s",
- symbol);
- goto check_symbol_fail;
- }
- symbol_addr = module->func_ptrs[func_index];
- }
- #endif
- else if (is_text_section(symbol)) {
- symbol_addr = module->code;
- }
- else if (!strcmp(symbol, ".data") || !strcmp(symbol, ".sdata")
- || !strcmp(symbol, ".rdata") || !strcmp(symbol, ".rodata")
- || !strcmp(symbol, ".srodata")
- /* ".rodata.cst4/8/16/.." */
- || !strncmp(symbol, ".rodata.cst", strlen(".rodata.cst"))
- /* ".srodata.cst4/8/16/.." */
- || !strncmp(symbol, ".srodata.cst", strlen(".srodata.cst"))
- /* ".rodata.strn.m" */
- || !strncmp(symbol, ".rodata.str", strlen(".rodata.str"))
- || !strcmp(symbol, AOT_STACK_SIZES_SECTION_NAME)
- #if WASM_ENABLE_STATIC_PGO != 0
- || !strncmp(symbol, "__llvm_prf_cnts", 15)
- || !strncmp(symbol, "__llvm_prf_data", 15)
- || !strncmp(symbol, "__llvm_prf_names", 16)
- #endif
- ) {
- symbol_addr = get_data_section_addr(module, symbol, NULL);
- if (!symbol_addr) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid data section (%s)", symbol);
- goto check_symbol_fail;
- }
- }
- else if (!strcmp(symbol, ".literal")) {
- symbol_addr = module->literal;
- }
- #if defined(BH_PLATFORM_WINDOWS)
- /* Relocation for symbols which start with "__ymm@", "__xmm@" or
- "__real@" and end with the ymm value, xmm value or real value.
- In Windows PE file, the data is stored in some individual ".rdata"
- sections. We simply create extra plt data, parse the values from
- the symbols and stored them into the extra plt data. */
- else if (!strcmp(group->section_name, ".text")
- && !strncmp(symbol, YMM_PLT_PREFIX, strlen(YMM_PLT_PREFIX))
- && strlen(symbol) == strlen(YMM_PLT_PREFIX) + 64) {
- char ymm_buf[17] = { 0 };
- symbol_addr = module->extra_plt_data + ymm_plt_index * 32;
- for (j = 0; j < 4; j++) {
- bh_memcpy_s(ymm_buf, sizeof(ymm_buf),
- symbol + strlen(YMM_PLT_PREFIX) + 48 - 16 * j, 16);
- if (!str2uint64(ymm_buf,
- (uint64 *)((uint8 *)symbol_addr + 8 * j))) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto check_symbol_fail;
- }
- }
- ymm_plt_index++;
- }
- else if (!strcmp(group->section_name, ".text")
- && !strncmp(symbol, XMM_PLT_PREFIX, strlen(XMM_PLT_PREFIX))
- && strlen(symbol) == strlen(XMM_PLT_PREFIX) + 32) {
- char xmm_buf[17] = { 0 };
- symbol_addr = module->extra_plt_data + module->ymm_plt_count * 32
- + xmm_plt_index * 16;
- for (j = 0; j < 2; j++) {
- bh_memcpy_s(xmm_buf, sizeof(xmm_buf),
- symbol + strlen(XMM_PLT_PREFIX) + 16 - 16 * j, 16);
- if (!str2uint64(xmm_buf,
- (uint64 *)((uint8 *)symbol_addr + 8 * j))) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto check_symbol_fail;
- }
- }
- xmm_plt_index++;
- }
- else if (!strcmp(group->section_name, ".text")
- && !strncmp(symbol, REAL_PLT_PREFIX, strlen(REAL_PLT_PREFIX))
- && strlen(symbol) == strlen(REAL_PLT_PREFIX) + 16) {
- char real_buf[17] = { 0 };
- symbol_addr = module->extra_plt_data + module->ymm_plt_count * 32
- + module->xmm_plt_count * 16 + real_plt_index * 8;
- bh_memcpy_s(real_buf, sizeof(real_buf),
- symbol + strlen(REAL_PLT_PREFIX), 16);
- if (!str2uint64(real_buf, (uint64 *)symbol_addr)) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto check_symbol_fail;
- }
- real_plt_index++;
- }
- else if (!strcmp(group->section_name, ".text")
- && !strncmp(symbol, REAL_PLT_PREFIX, strlen(REAL_PLT_PREFIX))
- && strlen(symbol) == strlen(REAL_PLT_PREFIX) + 8) {
- char float_buf[9] = { 0 };
- symbol_addr = module->extra_plt_data + module->ymm_plt_count * 32
- + module->xmm_plt_count * 16
- + module->real_plt_count * 8 + float_plt_index * 4;
- bh_memcpy_s(float_buf, sizeof(float_buf),
- symbol + strlen(REAL_PLT_PREFIX), 8);
- if (!str2uint32(float_buf, (uint32 *)symbol_addr)) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto check_symbol_fail;
- }
- float_plt_index++;
- }
- #endif /* end of defined(BH_PLATFORM_WINDOWS) */
- else if (!(symbol_addr = resolve_target_sym(symbol, &symbol_index))) {
- set_error_buf_v(error_buf, error_buf_size,
- "resolve symbol %s failed", symbol);
- goto check_symbol_fail;
- }
- if (symbol != symbol_buf)
- wasm_runtime_free(symbol);
- if (!apply_relocation(
- module, aot_text, aot_text_size, relocation->relocation_offset,
- relocation->relocation_addend, relocation->relocation_type,
- symbol_addr, symbol_index, error_buf, error_buf_size))
- return false;
- }
- return true;
- check_symbol_fail:
- if (symbol != symbol_buf)
- wasm_runtime_free(symbol);
- return false;
- }
- static bool
- do_data_relocation(AOTModule *module, AOTRelocationGroup *group,
- char *error_buf, uint32 error_buf_size)
- {
- uint8 *data_addr;
- uint32 data_size = 0, i;
- AOTRelocation *relocation = group->relocations;
- void *symbol_addr = NULL;
- char *symbol, *data_section_name;
- if (!strncmp(group->section_name, ".rela.", 6)) {
- data_section_name = group->section_name + strlen(".rela");
- }
- else if (!strncmp(group->section_name, ".rel.", 5)) {
- data_section_name = group->section_name + strlen(".rel");
- }
- else if (!strcmp(group->section_name, ".rdata")) {
- data_section_name = group->section_name;
- }
- #if WASM_ENABLE_STATIC_PGO != 0
- else if (!strncmp(group->section_name, ".rel__llvm_prf_data", 19)) {
- data_section_name = group->section_name + strlen(".rel");
- }
- else if (!strncmp(group->section_name, ".rela__llvm_prf_data", 20)) {
- data_section_name = group->section_name + strlen(".rela");
- }
- #endif
- else {
- set_error_buf(error_buf, error_buf_size,
- "invalid data relocation section name");
- return false;
- }
- data_addr = get_data_section_addr(module, data_section_name, &data_size);
- if (group->relocation_count > 0 && !data_addr) {
- set_error_buf(error_buf, error_buf_size,
- "invalid data relocation count");
- return false;
- }
- for (i = 0; i < group->relocation_count; i++, relocation++) {
- symbol = relocation->symbol_name;
- if (is_text_section(symbol)) {
- symbol_addr = module->code;
- }
- #if WASM_ENABLE_STATIC_PGO != 0
- else if (!strncmp(symbol, AOT_FUNC_PREFIX, strlen(AOT_FUNC_PREFIX))) {
- char *p = symbol + strlen(AOT_FUNC_PREFIX);
- uint32 func_index;
- if (*p == '\0'
- || (func_index = (uint32)atoi(p)) > module->func_count) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid relocation symbol %s", symbol);
- return false;
- }
- symbol_addr = module->func_ptrs[func_index];
- }
- else if (!strcmp(symbol, "__llvm_prf_cnts")) {
- uint32 j;
- for (j = 0; j < module->data_section_count; j++) {
- if (!strncmp(module->data_sections[j].name, symbol, 15)) {
- bh_assert(relocation->relocation_addend + sizeof(uint64)
- <= module->data_sections[j].size);
- symbol_addr = module->data_sections[j].data;
- break;
- }
- }
- if (j == module->data_section_count) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid relocation symbol %s", symbol);
- return false;
- }
- }
- else if (!strncmp(symbol, "__llvm_prf_cnts", 15)) {
- uint32 j;
- for (j = 0; j < module->data_section_count; j++) {
- if (!strcmp(module->data_sections[j].name, symbol)) {
- symbol_addr = module->data_sections[j].data;
- break;
- }
- }
- if (j == module->data_section_count) {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid relocation symbol %s", symbol);
- return false;
- }
- }
- #endif /* end of WASM_ENABLE_STATIC_PGO != 0 */
- else {
- set_error_buf_v(error_buf, error_buf_size,
- "invalid relocation symbol %s", symbol);
- return false;
- }
- if (!apply_relocation(
- module, data_addr, data_size, relocation->relocation_offset,
- relocation->relocation_addend, relocation->relocation_type,
- symbol_addr, -1, error_buf, error_buf_size))
- return false;
- }
- return true;
- }
- static bool
- validate_symbol_table(uint8 *buf, uint8 *buf_end, uint32 *offsets, uint32 count,
- char *error_buf, uint32 error_buf_size)
- {
- uint32 i, str_len_addr = 0;
- uint16 str_len;
- for (i = 0; i < count; i++) {
- if (offsets[i] != str_len_addr)
- return false;
- read_uint16(buf, buf_end, str_len);
- str_len_addr += (uint32)sizeof(uint16) + str_len;
- str_len_addr = align_uint(str_len_addr, 2);
- buf += str_len;
- buf = (uint8 *)align_ptr(buf, 2);
- }
- if (buf == buf_end)
- return true;
- fail:
- return false;
- }
- static bool
- load_relocation_section(const uint8 *buf, const uint8 *buf_end,
- AOTModule *module, bool is_load_from_file_buf,
- char *error_buf, uint32 error_buf_size)
- {
- AOTRelocationGroup *groups = NULL, *group;
- uint32 symbol_count = 0;
- uint32 group_count = 0, i, j, got_item_count = 0;
- uint64 size;
- uint32 *symbol_offsets, total_string_len;
- uint8 *symbol_buf, *symbol_buf_end;
- int map_prot, map_flags;
- bool ret = false;
- char **symbols = NULL;
- read_uint32(buf, buf_end, symbol_count);
- symbol_offsets = (uint32 *)buf;
- for (i = 0; i < symbol_count; i++) {
- CHECK_BUF(buf, buf_end, sizeof(uint32));
- buf += sizeof(uint32);
- }
- read_uint32(buf, buf_end, total_string_len);
- symbol_buf = (uint8 *)buf;
- symbol_buf_end = symbol_buf + total_string_len;
- if (!validate_symbol_table(symbol_buf, symbol_buf_end, symbol_offsets,
- symbol_count, error_buf, error_buf_size)) {
- set_error_buf(error_buf, error_buf_size,
- "validate symbol table failed");
- goto fail;
- }
- if (symbol_count > 0) {
- symbols = loader_malloc((uint64)sizeof(*symbols) * symbol_count,
- error_buf, error_buf_size);
- if (symbols == NULL) {
- goto fail;
- }
- }
- #if defined(BH_PLATFORM_WINDOWS)
- buf = symbol_buf_end;
- read_uint32(buf, buf_end, group_count);
- for (i = 0; i < group_count; i++) {
- uint32 name_index, relocation_count;
- uint16 group_name_len;
- uint8 *group_name;
- /* section name address is 4 bytes aligned. */
- buf = (uint8 *)align_ptr(buf, sizeof(uint32));
- read_uint32(buf, buf_end, name_index);
- if (name_index >= symbol_count) {
- set_error_buf(error_buf, error_buf_size,
- "symbol index out of range");
- goto fail;
- }
- group_name = symbol_buf + symbol_offsets[name_index];
- group_name_len = *(uint16 *)group_name;
- group_name += sizeof(uint16);
- read_uint32(buf, buf_end, relocation_count);
- for (j = 0; j < relocation_count; j++) {
- AOTRelocation relocation = { 0 };
- char group_name_buf[128] = { 0 };
- char symbol_name_buf[128] = { 0 };
- uint32 symbol_index, offset32;
- int32 addend32;
- uint16 symbol_name_len;
- uint8 *symbol_name;
- if (sizeof(void *) == 8) {
- read_uint64(buf, buf_end, relocation.relocation_offset);
- read_uint64(buf, buf_end, relocation.relocation_addend);
- }
- else {
- read_uint32(buf, buf_end, offset32);
- relocation.relocation_offset = (uint64)offset32;
- read_uint32(buf, buf_end, addend32);
- relocation.relocation_addend = (int64)addend32;
- }
- read_uint32(buf, buf_end, relocation.relocation_type);
- read_uint32(buf, buf_end, symbol_index);
- if (symbol_index >= symbol_count) {
- set_error_buf(error_buf, error_buf_size,
- "symbol index out of range");
- goto fail;
- }
- symbol_name = symbol_buf + symbol_offsets[symbol_index];
- symbol_name_len = *(uint16 *)symbol_name;
- symbol_name += sizeof(uint16);
- bh_memcpy_s(group_name_buf, (uint32)sizeof(group_name_buf),
- group_name, group_name_len);
- bh_memcpy_s(symbol_name_buf, (uint32)sizeof(symbol_name_buf),
- symbol_name, symbol_name_len);
- /* aot compiler emits string with '\0' since 2.0.0 */
- if (group_name_len == strlen(".text") + 1
- && !strncmp(group_name, ".text", strlen(".text"))) {
- /* aot compiler emits string with '\0' since 2.0.0 */
- if (symbol_name_len == strlen(YMM_PLT_PREFIX) + 64 + 1
- && !strncmp(symbol_name, YMM_PLT_PREFIX,
- strlen(YMM_PLT_PREFIX))) {
- module->ymm_plt_count++;
- }
- else if (symbol_name_len == strlen(XMM_PLT_PREFIX) + 32 + 1
- && !strncmp(symbol_name, XMM_PLT_PREFIX,
- strlen(XMM_PLT_PREFIX))) {
- module->xmm_plt_count++;
- }
- else if (symbol_name_len == strlen(REAL_PLT_PREFIX) + 16 + 1
- && !strncmp(symbol_name, REAL_PLT_PREFIX,
- strlen(REAL_PLT_PREFIX))) {
- module->real_plt_count++;
- }
- else if (symbol_name_len >= strlen(REAL_PLT_PREFIX) + 8 + 1
- && !strncmp(symbol_name, REAL_PLT_PREFIX,
- strlen(REAL_PLT_PREFIX))) {
- module->float_plt_count++;
- }
- }
- }
- }
- /* Allocate memory for extra plt data */
- size = sizeof(uint64) * 4 * module->ymm_plt_count
- + sizeof(uint64) * 2 * module->xmm_plt_count
- + sizeof(uint64) * module->real_plt_count
- + sizeof(uint32) * module->float_plt_count;
- if (size > 0) {
- if (size > UINT32_MAX
- || !(module->extra_plt_data = loader_mmap(
- (uint32)size, true, error_buf, error_buf_size))) {
- goto fail;
- }
- module->extra_plt_data_size = (uint32)size;
- }
- #endif /* end of defined(BH_PLATFORM_WINDOWS) */
- #if (defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64)) \
- && !defined(BH_PLATFORM_WINDOWS)
- buf = symbol_buf_end;
- read_uint32(buf, buf_end, group_count);
- /* Resolve the relocations of type R_X86_64_GOTPCREL */
- for (i = 0; i < group_count; i++) {
- uint32 name_index, relocation_count;
- uint16 group_name_len;
- uint8 *group_name;
- /* section name address is 4 bytes aligned. */
- buf = (uint8 *)align_ptr(buf, sizeof(uint32));
- read_uint32(buf, buf_end, name_index);
- if (name_index >= symbol_count) {
- set_error_buf(error_buf, error_buf_size,
- "symbol index out of range");
- goto fail;
- }
- group_name = symbol_buf + symbol_offsets[name_index];
- group_name_len = *(uint16 *)group_name;
- group_name += sizeof(uint16);
- read_uint32(buf, buf_end, relocation_count);
- for (j = 0; j < relocation_count; j++) {
- AOTRelocation relocation = { 0 };
- char group_name_buf[128] = { 0 };
- char symbol_name_buf[128] = { 0 };
- uint32 symbol_index;
- uint16 symbol_name_len;
- uint8 *symbol_name;
- /* relocation offset and addend */
- buf += sizeof(void *) * 2;
- read_uint32(buf, buf_end, relocation.relocation_type);
- read_uint32(buf, buf_end, symbol_index);
- if (symbol_index >= symbol_count) {
- set_error_buf(error_buf, error_buf_size,
- "symbol index out of range");
- goto fail;
- }
- symbol_name = symbol_buf + symbol_offsets[symbol_index];
- symbol_name_len = *(uint16 *)symbol_name;
- symbol_name += sizeof(uint16);
- bh_memcpy_s(group_name_buf, (uint32)sizeof(group_name_buf),
- group_name, group_name_len);
- bh_memcpy_s(symbol_name_buf, (uint32)sizeof(symbol_name_buf),
- symbol_name, symbol_name_len);
- if (relocation.relocation_type == R_X86_64_GOTPCREL
- && !strncmp(symbol_name_buf, AOT_FUNC_PREFIX,
- strlen(AOT_FUNC_PREFIX))) {
- uint32 func_idx =
- atoi(symbol_name_buf + strlen(AOT_FUNC_PREFIX));
- GOTItem *got_item = module->got_item_list;
- if (func_idx >= module->func_count) {
- set_error_buf(error_buf, error_buf_size,
- "func index out of range");
- goto fail;
- }
- while (got_item) {
- if (got_item->func_idx == func_idx)
- break;
- got_item = got_item->next;
- }
- if (!got_item) {
- /* Create the got item and append to the list */
- got_item = wasm_runtime_malloc(sizeof(GOTItem));
- if (!got_item) {
- set_error_buf(error_buf, error_buf_size,
- "allocate memory failed");
- goto fail;
- }
- got_item->func_idx = func_idx;
- got_item->next = NULL;
- if (!module->got_item_list) {
- module->got_item_list = module->got_item_list_end =
- got_item;
- }
- else {
- module->got_item_list_end->next = got_item;
- module->got_item_list_end = got_item;
- }
- got_item_count++;
- }
- }
- }
- }
- if (got_item_count) {
- GOTItem *got_item = module->got_item_list;
- uint32 got_item_idx = 0;
- /* Create the GOT for func_ptrs, note that it is different from
- the .got section of a dynamic object file */
- size = (uint64)sizeof(void *) * got_item_count;
- if (size > UINT32_MAX
- || !(module->got_func_ptrs = loader_mmap(
- (uint32)size, false, error_buf, error_buf_size))) {
- goto fail;
- }
- while (got_item) {
- module->got_func_ptrs[got_item_idx++] =
- module->func_ptrs[got_item->func_idx];
- got_item = got_item->next;
- }
- module->got_item_count = got_item_count;
- }
- #else
- (void)got_item_count;
- #endif /* (defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64)) && \
- !defined(BH_PLATFORM_WINDOWS) */
- buf = symbol_buf_end;
- read_uint32(buf, buf_end, group_count);
- /* Allocate memory for relocation groups */
- size = sizeof(AOTRelocationGroup) * (uint64)group_count;
- if (size > 0
- && !(groups = loader_malloc(size, error_buf, error_buf_size))) {
- goto fail;
- }
- /* Load each relocation group */
- for (i = 0, group = groups; i < group_count; i++, group++) {
- AOTRelocation *relocation;
- uint32 name_index;
- /* section name address is 4 bytes aligned. */
- buf = (uint8 *)align_ptr(buf, sizeof(uint32));
- read_uint32(buf, buf_end, name_index);
- if (name_index >= symbol_count) {
- set_error_buf(error_buf, error_buf_size,
- "symbol index out of range");
- goto fail;
- }
- if (symbols[name_index] == NULL) {
- uint8 *name_addr = symbol_buf + symbol_offsets[name_index];
- read_string(name_addr, buf_end, symbols[name_index]);
- }
- group->section_name = symbols[name_index];
- read_uint32(buf, buf_end, group->relocation_count);
- /* Allocate memory for relocations */
- size = sizeof(AOTRelocation) * (uint64)group->relocation_count;
- if (!(group->relocations = relocation =
- loader_malloc(size, error_buf, error_buf_size))) {
- ret = false;
- goto fail;
- }
- /* Load each relocation */
- for (j = 0; j < group->relocation_count; j++, relocation++) {
- uint32 symbol_index;
- if (sizeof(void *) == 8) {
- read_uint64(buf, buf_end, relocation->relocation_offset);
- read_uint64(buf, buf_end, relocation->relocation_addend);
- }
- else {
- uint32 offset32, addend32;
- read_uint32(buf, buf_end, offset32);
- relocation->relocation_offset = (uint64)offset32;
- read_uint32(buf, buf_end, addend32);
- relocation->relocation_addend = (uint64)addend32;
- }
- read_uint32(buf, buf_end, relocation->relocation_type);
- read_uint32(buf, buf_end, symbol_index);
- if (symbol_index >= symbol_count) {
- set_error_buf(error_buf, error_buf_size,
- "symbol index out of range");
- goto fail;
- }
- if (symbols[symbol_index] == NULL) {
- uint8 *symbol_addr = symbol_buf + symbol_offsets[symbol_index];
- read_string(symbol_addr, buf_end, symbols[symbol_index]);
- }
- relocation->symbol_name = symbols[symbol_index];
- }
- if (!strcmp(group->section_name, ".rel.text")
- || !strcmp(group->section_name, ".rela.text")
- || !strcmp(group->section_name, ".rel.ltext")
- || !strcmp(group->section_name, ".rela.ltext")
- || !strcmp(group->section_name, ".rela.literal")
- #ifdef BH_PLATFORM_WINDOWS
- || !strcmp(group->section_name, ".text")
- #endif
- ) {
- #if !defined(BH_PLATFORM_LINUX) && !defined(BH_PLATFORM_LINUX_SGX) \
- && !defined(BH_PLATFORM_DARWIN) && !defined(BH_PLATFORM_WINDOWS)
- if (module->is_indirect_mode) {
- set_error_buf(error_buf, error_buf_size,
- "cannot apply relocation to text section "
- "for aot file generated with "
- "\"--enable-indirect-mode\" flag");
- goto fail;
- }
- #endif
- if (!do_text_relocation(module, group, error_buf, error_buf_size))
- goto fail;
- }
- else {
- if (!do_data_relocation(module, group, error_buf, error_buf_size))
- goto fail;
- }
- }
- /* Set read only for AOT code and some data sections */
- map_prot = MMAP_PROT_READ | MMAP_PROT_EXEC;
- if (module->code) {
- /* The layout is: literal size + literal + code (with plt table) */
- uint8 *mmap_addr = module->literal - sizeof(uint32);
- uint32 total_size =
- sizeof(uint32) + module->literal_size + module->code_size;
- os_mprotect(mmap_addr, total_size, map_prot);
- }
- map_prot = MMAP_PROT_READ;
- #if defined(BH_PLATFORM_WINDOWS)
- if (module->extra_plt_data) {
- os_mprotect(module->extra_plt_data, module->extra_plt_data_size,
- map_prot);
- }
- #endif
- for (i = 0; i < module->data_section_count; i++) {
- AOTObjectDataSection *data_section = module->data_sections + i;
- if (!strcmp(data_section->name, ".rdata")
- || !strcmp(data_section->name, ".rodata")
- /* ".rodata.cst4/8/16/.." */
- || !strncmp(data_section->name, ".rodata.cst",
- strlen(".rodata.cst"))
- /* ".rodata.strn.m" */
- || !strncmp(data_section->name, ".rodata.str",
- strlen(".rodata.str"))) {
- os_mprotect(data_section->data, data_section->size, map_prot);
- }
- }
- ret = true;
- fail:
- if (symbols) {
- wasm_runtime_free(symbols);
- }
- if (groups) {
- for (i = 0, group = groups; i < group_count; i++, group++)
- if (group->relocations)
- wasm_runtime_free(group->relocations);
- wasm_runtime_free(groups);
- }
- (void)map_flags;
- return ret;
- }
- #if WASM_ENABLE_MEMORY64 != 0
- static bool
- has_module_memory64(AOTModule *module)
- {
- /* TODO: multi-memories for now assuming the memory idx type is consistent
- * across multi-memories */
- if (module->import_memory_count > 0)
- return !!(module->import_memories[0].mem_type.flags & MEMORY64_FLAG);
- else if (module->memory_count > 0)
- return !!(module->memories[0].flags & MEMORY64_FLAG);
- return false;
- }
- #endif
- static bool
- load_from_sections(AOTModule *module, AOTSection *sections,
- bool is_load_from_file_buf, bool no_resolve, char *error_buf,
- uint32 error_buf_size)
- {
- AOTSection *section = sections;
- const uint8 *buf, *buf_end;
- uint32 last_section_type = (uint32)-1, section_type;
- uint32 i, func_index, func_type_index;
- AOTFuncType *func_type;
- AOTExport *exports;
- uint8 malloc_free_io_type = VALUE_TYPE_I32;
- while (section) {
- buf = section->section_body;
- buf_end = buf + section->section_body_size;
- /* Check sections */
- section_type = (uint32)section->section_type;
- if ((last_section_type == (uint32)-1
- && section_type != AOT_SECTION_TYPE_TARGET_INFO)
- || (last_section_type != (uint32)-1
- && (section_type != last_section_type + 1
- && section_type != AOT_SECTION_TYPE_CUSTOM))) {
- set_error_buf(error_buf, error_buf_size, "invalid section order");
- return false;
- }
- last_section_type = section_type;
- switch (section_type) {
- case AOT_SECTION_TYPE_TARGET_INFO:
- if (!load_target_info_section(buf, buf_end, module, error_buf,
- error_buf_size))
- return false;
- break;
- case AOT_SECTION_TYPE_INIT_DATA:
- if (!load_init_data_section(buf, buf_end, module,
- is_load_from_file_buf, no_resolve,
- error_buf, error_buf_size))
- return false;
- break;
- case AOT_SECTION_TYPE_TEXT:
- #if !defined(BH_PLATFORM_NUTTX) && !defined(BH_PLATFORM_ESP_IDF)
- /* try to merge .data and .text, with exceptions:
- * 1. XIP mode
- * 2. pre-mmapped module load from aot_load_from_sections()
- * 3. nuttx & esp-idf: have separate region for MMAP_PROT_EXEC
- */
- if (!module->is_indirect_mode && is_load_from_file_buf)
- if (!try_merge_data_and_text(&buf, &buf_end, module,
- error_buf, error_buf_size))
- LOG_WARNING("merge .data and .text sections failed");
- #endif /* ! defined(BH_PLATFORM_NUTTX) && !defined(BH_PLATFORM_ESP_IDF) */
- if (!load_text_section(buf, buf_end, module, error_buf,
- error_buf_size))
- return false;
- break;
- case AOT_SECTION_TYPE_FUNCTION:
- if (!load_function_section(buf, buf_end, module, error_buf,
- error_buf_size))
- return false;
- break;
- case AOT_SECTION_TYPE_EXPORT:
- if (!load_export_section(buf, buf_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- return false;
- break;
- case AOT_SECTION_TYPE_RELOCATION:
- if (!load_relocation_section(buf, buf_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- return false;
- break;
- case AOT_SECTION_TYPE_CUSTOM:
- if (!load_custom_section(buf, buf_end, module,
- is_load_from_file_buf, error_buf,
- error_buf_size))
- return false;
- break;
- default:
- set_error_buf(error_buf, error_buf_size,
- "invalid aot section type");
- return false;
- }
- section = section->next;
- }
- if (last_section_type != AOT_SECTION_TYPE_RELOCATION
- && last_section_type != AOT_SECTION_TYPE_CUSTOM) {
- set_error_buf(error_buf, error_buf_size, "section missing");
- return false;
- }
- /* Resolve malloc and free function */
- module->malloc_func_index = (uint32)-1;
- module->free_func_index = (uint32)-1;
- module->retain_func_index = (uint32)-1;
- #if WASM_ENABLE_MEMORY64 != 0
- if (has_module_memory64(module))
- malloc_free_io_type = VALUE_TYPE_I64;
- #endif
- exports = module->exports;
- for (i = 0; i < module->export_count; i++) {
- if (exports[i].kind == EXPORT_KIND_FUNC
- && exports[i].index >= module->import_func_count) {
- if (!strcmp(exports[i].name, "malloc")) {
- func_index = exports[i].index - module->import_func_count;
- func_type_index = module->func_type_indexes[func_index];
- func_type = (AOTFuncType *)module->types[func_type_index];
- if (func_type->param_count == 1 && func_type->result_count == 1
- && func_type->types[0] == malloc_free_io_type
- && func_type->types[1] == malloc_free_io_type) {
- bh_assert(module->malloc_func_index == (uint32)-1);
- module->malloc_func_index = func_index;
- LOG_VERBOSE("Found malloc function, name: %s, index: %u",
- exports[i].name, exports[i].index);
- }
- }
- else if (!strcmp(exports[i].name, "__new")) {
- func_index = exports[i].index - module->import_func_count;
- func_type_index = module->func_type_indexes[func_index];
- func_type = (AOTFuncType *)module->types[func_type_index];
- if (func_type->param_count == 2 && func_type->result_count == 1
- && func_type->types[0] == malloc_free_io_type
- && func_type->types[1] == VALUE_TYPE_I32
- && func_type->types[2] == malloc_free_io_type) {
- uint32 j;
- WASMExport *export_tmp;
- bh_assert(module->malloc_func_index == (uint32)-1);
- module->malloc_func_index = func_index;
- LOG_VERBOSE("Found malloc function, name: %s, index: %u",
- exports[i].name, exports[i].index);
- /* resolve retain function.
- If not find, reset malloc function index */
- export_tmp = module->exports;
- for (j = 0; j < module->export_count; j++, export_tmp++) {
- if ((export_tmp->kind == EXPORT_KIND_FUNC)
- && (!strcmp(export_tmp->name, "__retain")
- || !strcmp(export_tmp->name, "__pin"))) {
- func_index =
- export_tmp->index - module->import_func_count;
- func_type_index =
- module->func_type_indexes[func_index];
- func_type =
- (AOTFuncType *)module->types[func_type_index];
- if (func_type->param_count == 1
- && func_type->result_count == 1
- && func_type->types[0] == malloc_free_io_type
- && func_type->types[1] == malloc_free_io_type) {
- bh_assert(module->retain_func_index
- == (uint32)-1);
- module->retain_func_index = export_tmp->index;
- LOG_VERBOSE("Found retain function, name: %s, "
- "index: %u",
- export_tmp->name,
- export_tmp->index);
- break;
- }
- }
- }
- if (j == module->export_count) {
- module->malloc_func_index = (uint32)-1;
- LOG_VERBOSE("Can't find retain function,"
- "reset malloc function index to -1");
- }
- }
- }
- else if ((!strcmp(exports[i].name, "free"))
- || (!strcmp(exports[i].name, "__release"))
- || (!strcmp(exports[i].name, "__unpin"))) {
- func_index = exports[i].index - module->import_func_count;
- func_type_index = module->func_type_indexes[func_index];
- func_type = (AOTFuncType *)module->types[func_type_index];
- if (func_type->param_count == 1 && func_type->result_count == 0
- && func_type->types[0] == malloc_free_io_type) {
- bh_assert(module->free_func_index == (uint32)-1);
- module->free_func_index = func_index;
- LOG_VERBOSE("Found free function, name: %s, index: %u",
- exports[i].name, exports[i].index);
- }
- }
- }
- }
- /* Flush data cache before executing AOT code,
- * otherwise unpredictable behavior can occur. */
- os_dcache_flush();
- #if WASM_ENABLE_MEMORY_TRACING != 0
- wasm_runtime_dump_module_mem_consumption((WASMModuleCommon *)module);
- #endif
- #if WASM_ENABLE_DEBUG_AOT != 0
- if (!jit_code_entry_create(module->elf_hdr, module->elf_size)) {
- set_error_buf(error_buf, error_buf_size,
- "create jit code entry failed");
- return false;
- }
- #endif
- return true;
- }
- static AOTModule *
- create_module(char *name, char *error_buf, uint32 error_buf_size)
- {
- AOTModule *module =
- loader_malloc(sizeof(AOTModule), error_buf, error_buf_size);
- bh_list_status ret;
- if (!module) {
- return NULL;
- }
- module->module_type = Wasm_Module_AoT;
- module->name = name;
- module->is_binary_freeable = false;
- #if WASM_ENABLE_MULTI_MODULE != 0
- module->import_module_list = &module->import_module_list_head;
- ret = bh_list_init(module->import_module_list);
- bh_assert(ret == BH_LIST_SUCCESS);
- #endif
- (void)ret;
- #if WASM_ENABLE_GC != 0
- if (!(module->ref_type_set =
- wasm_reftype_set_create(GC_REFTYPE_MAP_SIZE_DEFAULT))) {
- set_error_buf(error_buf, error_buf_size, "create reftype map failed");
- goto fail1;
- }
- if (os_mutex_init(&module->rtt_type_lock)) {
- set_error_buf(error_buf, error_buf_size, "init rtt type lock failed");
- goto fail2;
- }
- #endif
- #if WASM_ENABLE_LIBC_WASI != 0
- #if WASM_ENABLE_UVWASI == 0
- module->wasi_args.stdio[0] = os_invalid_raw_handle();
- module->wasi_args.stdio[1] = os_invalid_raw_handle();
- module->wasi_args.stdio[2] = os_invalid_raw_handle();
- #else
- module->wasi_args.stdio[0] = os_get_invalid_handle();
- module->wasi_args.stdio[1] = os_get_invalid_handle();
- module->wasi_args.stdio[2] = os_get_invalid_handle();
- #endif /* WASM_ENABLE_UVWASI == 0 */
- #endif /* WASM_ENABLE_LIBC_WASI != 0 */
- return module;
- #if WASM_ENABLE_GC != 0
- fail2:
- bh_hash_map_destroy(module->ref_type_set);
- fail1:
- #endif
- wasm_runtime_free(module);
- return NULL;
- }
- AOTModule *
- aot_load_from_sections(AOTSection *section_list, char *error_buf,
- uint32 error_buf_size)
- {
- AOTModule *module = create_module("", error_buf, error_buf_size);
- if (!module)
- return NULL;
- if (!load_from_sections(module, section_list, false, false, error_buf,
- error_buf_size)) {
- aot_unload(module);
- return NULL;
- }
- LOG_VERBOSE("Load module from sections success.\n");
- return module;
- }
- static void
- destroy_sections(AOTSection *section_list, bool destroy_aot_text)
- {
- AOTSection *section = section_list, *next;
- while (section) {
- next = section->next;
- if (destroy_aot_text && section->section_type == AOT_SECTION_TYPE_TEXT
- && section->section_body)
- os_munmap((uint8 *)section->section_body,
- section->section_body_size);
- wasm_runtime_free(section);
- section = next;
- }
- }
- static bool
- resolve_execute_mode(const uint8 *buf, uint32 size, bool *p_mode,
- char *error_buf, uint32 error_buf_size)
- {
- const uint8 *p = buf, *p_end = buf + size;
- uint32 section_type;
- uint32 section_size = 0;
- uint16 e_type = 0;
- p += 8;
- while (p < p_end) {
- read_uint32(p, p_end, section_type);
- if (section_type <= AOT_SECTION_TYPE_SIGNATURE) {
- read_uint32(p, p_end, section_size);
- CHECK_BUF(p, p_end, section_size);
- if (section_type == AOT_SECTION_TYPE_TARGET_INFO) {
- p += 4;
- read_uint16(p, p_end, e_type);
- if (e_type == E_TYPE_XIP) {
- *p_mode = true;
- }
- else {
- *p_mode = false;
- }
- break;
- }
- }
- else { /* section_type > AOT_SECTION_TYPE_SIGNATURE */
- set_error_buf(error_buf, error_buf_size,
- "resolve execute mode failed");
- break;
- }
- p += section_size;
- }
- return true;
- fail:
- return false;
- }
- static bool
- create_sections(AOTModule *module, const uint8 *buf, uint32 size,
- AOTSection **p_section_list, char *error_buf,
- uint32 error_buf_size)
- {
- AOTSection *section_list = NULL, *section_list_end = NULL, *section;
- const uint8 *p = buf, *p_end = buf + size;
- bool destroy_aot_text = false;
- bool is_indirect_mode = false;
- uint32 section_type;
- uint32 section_size;
- uint64 total_size;
- uint8 *aot_text;
- #if (WASM_MEM_DUAL_BUS_MIRROR != 0)
- uint8 *mirrored_text;
- #endif
- if (!resolve_execute_mode(buf, size, &is_indirect_mode, error_buf,
- error_buf_size)) {
- goto fail;
- }
- module->is_indirect_mode = is_indirect_mode;
- p += 8;
- while (p < p_end) {
- read_uint32(p, p_end, section_type);
- if (section_type < AOT_SECTION_TYPE_SIGNATURE
- || section_type == AOT_SECTION_TYPE_CUSTOM) {
- read_uint32(p, p_end, section_size);
- CHECK_BUF(p, p_end, section_size);
- if (!(section = loader_malloc(sizeof(AOTSection), error_buf,
- error_buf_size))) {
- goto fail;
- }
- memset(section, 0, sizeof(AOTSection));
- section->section_type = (int32)section_type;
- section->section_body = (uint8 *)p;
- section->section_body_size = section_size;
- if (section_type == AOT_SECTION_TYPE_TEXT) {
- if ((section_size > 0) && !module->is_indirect_mode) {
- total_size =
- (uint64)section_size + aot_get_plt_table_size();
- total_size = (total_size + 3) & ~((uint64)3);
- if (total_size >= UINT32_MAX
- || !(aot_text =
- loader_mmap((uint32)total_size, true,
- error_buf, error_buf_size))) {
- wasm_runtime_free(section);
- goto fail;
- }
- #if (WASM_MEM_DUAL_BUS_MIRROR != 0)
- mirrored_text = os_get_dbus_mirror(aot_text);
- bh_assert(mirrored_text != NULL);
- bh_memcpy_s(mirrored_text, (uint32)total_size,
- section->section_body, (uint32)section_size);
- os_dcache_flush();
- #else
- bh_memcpy_s(aot_text, (uint32)total_size,
- section->section_body, (uint32)section_size);
- #endif
- section->section_body = aot_text;
- destroy_aot_text = true;
- if ((uint32)total_size > section->section_body_size) {
- memset(aot_text + (uint32)section_size, 0,
- (uint32)total_size - section_size);
- section->section_body_size = (uint32)total_size;
- }
- }
- }
- if (!section_list)
- section_list = section_list_end = section;
- else {
- section_list_end->next = section;
- section_list_end = section;
- }
- p += section_size;
- }
- else {
- set_error_buf(error_buf, error_buf_size, "invalid section id");
- goto fail;
- }
- }
- if (!section_list) {
- set_error_buf(error_buf, error_buf_size, "create section list failed");
- return false;
- }
- *p_section_list = section_list;
- return true;
- fail:
- if (section_list)
- destroy_sections(section_list, destroy_aot_text);
- return false;
- }
- static bool
- aot_compatible_version(uint32 version)
- {
- /*
- * refer to "AoT-compiled module compatibility among WAMR versions" in
- * ./doc/biuld_wasm_app.md
- */
- return version == 4 || version == 3;
- }
- static bool
- load(const uint8 *buf, uint32 size, AOTModule *module,
- bool wasm_binary_freeable, bool no_resolve, char *error_buf,
- uint32 error_buf_size)
- {
- const uint8 *buf_end = buf + size;
- const uint8 *p = buf, *p_end = buf_end;
- uint32 magic_number, version;
- AOTSection *section_list = NULL;
- bool ret;
- read_uint32(p, p_end, magic_number);
- if (magic_number != AOT_MAGIC_NUMBER) {
- set_error_buf(error_buf, error_buf_size, "magic header not detected");
- return false;
- }
- read_uint32(p, p_end, version);
- if (!aot_compatible_version(version)) {
- set_error_buf(error_buf, error_buf_size, "unknown binary version");
- return false;
- }
- module->package_version = version;
- if (!create_sections(module, buf, size, §ion_list, error_buf,
- error_buf_size))
- return false;
- ret = load_from_sections(module, section_list, !wasm_binary_freeable,
- no_resolve, error_buf, error_buf_size);
- if (!ret) {
- /* If load_from_sections() fails, then aot text is destroyed
- in destroy_sections() */
- destroy_sections(section_list,
- module->is_indirect_mode
- || module->merged_data_text_sections
- ? false
- : true);
- /* aot_unload() won't destroy aot text again */
- module->code = NULL;
- }
- else {
- /* If load_from_sections() succeeds, then aot text is set to
- module->code and will be destroyed in aot_unload() */
- destroy_sections(section_list, false);
- }
- #if 0
- {
- uint32 i;
- for (i = 0; i < module->func_count; i++) {
- LOG_VERBOSE("AOT func %u, addr: %p\n", i, module->func_ptrs[i]);
- }
- }
- #endif
- #if WASM_ENABLE_LINUX_PERF != 0
- if (wasm_runtime_get_linux_perf())
- if (!aot_create_perf_map(module, error_buf, error_buf_size))
- goto fail;
- #endif
- return ret;
- fail:
- return false;
- }
- AOTModule *
- aot_load_from_aot_file(const uint8 *buf, uint32 size, const LoadArgs *args,
- char *error_buf, uint32 error_buf_size)
- {
- AOTModule *module = create_module(args->name, error_buf, error_buf_size);
- if (!module)
- return NULL;
- os_thread_jit_write_protect_np(false); /* Make memory writable */
- if (!load(buf, size, module, args->wasm_binary_freeable, args->no_resolve,
- error_buf, error_buf_size)) {
- aot_unload(module);
- return NULL;
- }
- os_thread_jit_write_protect_np(true); /* Make memory executable */
- os_icache_flush(module->code, module->code_size);
- #if WASM_ENABLE_AOT_VALIDATOR != 0
- if (!aot_module_validate(module, error_buf, error_buf_size)) {
- aot_unload(module);
- return NULL;
- }
- #endif /* WASM_ENABLE_AOT_VALIDATOR != 0 */
- LOG_VERBOSE("Load module success.\n");
- return module;
- }
- void
- aot_unload(AOTModule *module)
- {
- if (module->import_memories)
- destroy_import_memories(module->import_memories);
- if (module->memories)
- wasm_runtime_free(module->memories);
- if (module->mem_init_data_list)
- destroy_mem_init_data_list(module, module->mem_init_data_list,
- module->mem_init_data_count);
- if (module->native_symbol_list)
- wasm_runtime_free(module->native_symbol_list);
- if (module->import_tables)
- destroy_import_tables(module->import_tables);
- if (module->tables) {
- #if WASM_ENABLE_GC != 0
- uint32 i;
- for (i = 0; i < module->table_count; i++) {
- destroy_init_expr(&module->tables[i].init_expr);
- }
- #endif
- destroy_tables(module->tables);
- }
- if (module->table_init_data_list)
- destroy_table_init_data_list(module->table_init_data_list,
- module->table_init_data_count);
- if (module->types)
- destroy_types(module->types, module->type_count);
- if (module->import_globals)
- destroy_import_globals(module->import_globals);
- if (module->globals) {
- #if WASM_ENABLE_GC != 0
- uint32 i;
- for (i = 0; i < module->global_count; i++) {
- destroy_init_expr(&module->globals[i].init_expr);
- }
- #endif
- destroy_globals(module->globals);
- }
- if (module->import_funcs)
- destroy_import_funcs(module->import_funcs);
- if (module->exports)
- destroy_exports(module->exports);
- if (module->func_type_indexes)
- wasm_runtime_free(module->func_type_indexes);
- #if WASM_ENABLE_AOT_STACK_FRAME != 0
- if (module->max_local_cell_nums)
- wasm_runtime_free(module->max_local_cell_nums);
- if (module->max_stack_cell_nums)
- wasm_runtime_free(module->max_stack_cell_nums);
- #endif
- #if WASM_ENABLE_GC != 0
- if (module->func_local_ref_flags) {
- uint32 i;
- for (i = 0; i < module->import_func_count + module->func_count; i++) {
- if (module->func_local_ref_flags[i].local_ref_flags) {
- wasm_runtime_free(
- module->func_local_ref_flags[i].local_ref_flags);
- }
- }
- wasm_runtime_free(module->func_local_ref_flags);
- }
- #endif
- if (module->func_ptrs)
- wasm_runtime_free(module->func_ptrs);
- if (module->const_str_set)
- bh_hash_map_destroy(module->const_str_set);
- #if WASM_ENABLE_MULTI_MODULE != 0
- /* just release the sub module list */
- if (module->import_module_list) {
- WASMRegisteredModule *node =
- bh_list_first_elem(module->import_module_list);
- while (node) {
- WASMRegisteredModule *next = bh_list_elem_next(node);
- bh_list_remove(module->import_module_list, node);
- wasm_runtime_free(node);
- node = next;
- }
- }
- #endif
- if (module->code && !module->is_indirect_mode
- && !module->merged_data_text_sections) {
- /* The layout is: literal size + literal + code (with plt table) */
- uint8 *mmap_addr = module->literal - sizeof(uint32);
- uint32 total_size =
- sizeof(uint32) + module->literal_size + module->code_size;
- os_munmap(mmap_addr, total_size);
- }
- #if defined(BH_PLATFORM_WINDOWS)
- if (module->extra_plt_data) {
- os_munmap(module->extra_plt_data, module->extra_plt_data_size);
- }
- #endif
- #if (defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64)) \
- && !defined(BH_PLATFORM_WINDOWS)
- {
- GOTItem *got_item = module->got_item_list, *got_item_next;
- if (module->got_func_ptrs) {
- os_munmap(module->got_func_ptrs,
- sizeof(void *) * module->got_item_count);
- }
- while (got_item) {
- got_item_next = got_item->next;
- wasm_runtime_free(got_item);
- got_item = got_item_next;
- }
- }
- #endif
- if (module->data_sections)
- destroy_object_data_sections(module->data_sections,
- module->data_section_count);
- if (module->merged_data_sections)
- os_munmap(module->merged_data_sections,
- module->merged_data_sections_size);
- if (module->merged_data_text_sections)
- os_munmap(module->merged_data_text_sections,
- module->merged_data_text_sections_size);
- #if WASM_ENABLE_DEBUG_AOT != 0
- jit_code_entry_destroy(module->elf_hdr);
- #endif
- #if WASM_ENABLE_CUSTOM_NAME_SECTION != 0
- if (module->aux_func_indexes) {
- wasm_runtime_free(module->aux_func_indexes);
- }
- if (module->aux_func_names) {
- wasm_runtime_free((void *)module->aux_func_names);
- }
- #endif
- #if WASM_ENABLE_LOAD_CUSTOM_SECTION != 0
- wasm_runtime_destroy_custom_sections(module->custom_section_list);
- #endif
- #if WASM_ENABLE_GC != 0
- if (module->ref_type_set) {
- bh_hash_map_destroy(module->ref_type_set);
- }
- os_mutex_destroy(&module->rtt_type_lock);
- if (module->rtt_types) {
- uint32 i;
- for (i = 0; i < module->type_count; i++) {
- if (module->rtt_types[i])
- wasm_runtime_free(module->rtt_types[i]);
- }
- wasm_runtime_free(module->rtt_types);
- }
- #if WASM_ENABLE_STRINGREF != 0
- {
- uint32 i;
- for (i = 0; i < WASM_TYPE_STRINGVIEWITER - WASM_TYPE_STRINGREF + 1;
- i++) {
- if (module->stringref_rtts[i])
- wasm_runtime_free(module->stringref_rtts[i]);
- }
- if (module->string_literal_lengths) {
- wasm_runtime_free(module->string_literal_lengths);
- }
- if (module->string_literal_ptrs) {
- wasm_runtime_free((void *)module->string_literal_ptrs);
- }
- }
- #endif
- #endif
- wasm_runtime_free(module);
- }
- uint32
- aot_get_plt_table_size()
- {
- return get_plt_table_size();
- }
- #if WASM_ENABLE_LOAD_CUSTOM_SECTION != 0
- const uint8 *
- aot_get_custom_section(const AOTModule *module, const char *name, uint32 *len)
- {
- WASMCustomSection *section = module->custom_section_list;
- while (section) {
- if (strcmp(section->name_addr, name) == 0) {
- if (len) {
- *len = section->content_len;
- }
- return section->content_addr;
- }
- section = section->next;
- }
- return NULL;
- }
- #endif /* end of WASM_ENABLE_LOAD_CUSTOM_SECTION */
- #if WASM_ENABLE_STATIC_PGO != 0
- void
- aot_exchange_uint16(uint8 *p_data)
- {
- return exchange_uint16(p_data);
- }
- void
- aot_exchange_uint32(uint8 *p_data)
- {
- return exchange_uint32(p_data);
- }
- void
- aot_exchange_uint64(uint8 *p_data)
- {
- return exchange_uint64(p_data);
- }
- #endif
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