Appease GCC strict prototypes warning (#3775)

core/iwasm/aot/aot_reloc.h

@@ -226,7 +226,7 @@ SymbolMap *
 get_target_symbol_map(uint32 *sym_num);
 
 uint32
-get_plt_table_size();
+get_plt_table_size(void);
 
 void
 init_plt_table(uint8 *plt);

core/iwasm/aot/aot_runtime.h

@@ -648,7 +648,7 @@ aot_check_app_addr_and_convert(AOTModuleInstance *module_inst, bool is_str,
                                void **p_native_addr);
 
 uint32
-aot_get_plt_table_size();
+aot_get_plt_table_size(void);
 
 void *
 aot_memmove(void *dest, const void *src, size_t n);

core/iwasm/aot/arch/aot_reloc_aarch64.c

@@ -79,7 +79,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 }
 
 static uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
     /* 6*4 bytes instructions and 8 bytes symbol address */
     return 32;

core/iwasm/aot/arch/aot_reloc_arm.c

@@ -12,102 +12,102 @@
 #define R_ARM_MOVT_ABS 44
 
 /* clang-format off */
-void __adddf3();
+void __adddf3(void);
-void __addsf3();
+void __addsf3(void);
-void __aeabi_d2f();
+void __aeabi_d2f(void);
-void __aeabi_d2iz();
+void __aeabi_d2iz(void);
-void __aeabi_d2lz();
+void __aeabi_d2lz(void);
-void __aeabi_d2uiz();
+void __aeabi_d2uiz(void);
-void __aeabi_d2ulz();
+void __aeabi_d2ulz(void);
-void __aeabi_dadd();
+void __aeabi_dadd(void);
-void __aeabi_dcmpeq();
+void __aeabi_dcmpeq(void);
-void __aeabi_dcmpge();
+void __aeabi_dcmpge(void);
-void __aeabi_dcmpgt();
+void __aeabi_dcmpgt(void);
-void __aeabi_dcmple();
+void __aeabi_dcmple(void);
-void __aeabi_dcmplt();
+void __aeabi_dcmplt(void);
-void __aeabi_dcmpun();
+void __aeabi_dcmpun(void);
-void __aeabi_ddiv();
+void __aeabi_ddiv(void);
-void __aeabi_dmul();
+void __aeabi_dmul(void);
-void __aeabi_dsub();
+void __aeabi_dsub(void);
-void __aeabi_f2d();
+void __aeabi_f2d(void);
-void __aeabi_f2iz();
+void __aeabi_f2iz(void);
-void __aeabi_f2lz();
+void __aeabi_f2lz(void);
-void __aeabi_f2ulz();
+void __aeabi_f2ulz(void);
-void __aeabi_fadd();
+void __aeabi_fadd(void);
-void __aeabi_fcmpeq();
+void __aeabi_fcmpeq(void);
-void __aeabi_fcmpge();
+void __aeabi_fcmpge(void);
-void __aeabi_fcmpgt();
+void __aeabi_fcmpgt(void);
-void __aeabi_fcmple();
+void __aeabi_fcmple(void);
-void __aeabi_fcmplt();
+void __aeabi_fcmplt(void);
-void __aeabi_fcmpun();
+void __aeabi_fcmpun(void);
-void __aeabi_fdiv();
+void __aeabi_fdiv(void);
-void __aeabi_fmul();
+void __aeabi_fmul(void);
-void __aeabi_fsub();
+void __aeabi_fsub(void);
-void __aeabi_i2d();
+void __aeabi_i2d(void);
-void __aeabi_i2f();
+void __aeabi_i2f(void);
-void __aeabi_idiv();
+void __aeabi_idiv(void);
-void __aeabi_idivmod();
+void __aeabi_idivmod(void);
-void __aeabi_l2d();
+void __aeabi_l2d(void);
-void __aeabi_l2f();
+void __aeabi_l2f(void);
-void __aeabi_ldivmod();
+void __aeabi_ldivmod(void);
-void __aeabi_memclr();
+void __aeabi_memclr(void);
-void __aeabi_memcpy();
+void __aeabi_memcpy(void);
-void __aeabi_memmove();
+void __aeabi_memmove(void);
-void __aeabi_memset();
+void __aeabi_memset(void);
-void __aeabi_ui2d();
+void __aeabi_ui2d(void);
-void __aeabi_ui2f();
+void __aeabi_ui2f(void);
-void __aeabi_uidiv();
+void __aeabi_uidiv(void);
-void __aeabi_uidivmod();
+void __aeabi_uidivmod(void);
-void __aeabi_ul2d();
+void __aeabi_ul2d(void);
-void __aeabi_ul2f();
+void __aeabi_ul2f(void);
-void __aeabi_uldivmod();
+void __aeabi_uldivmod(void);
-void __clzsi2();
+void __clzsi2(void);
-void __divdf3();
+void __divdf3(void);
-void __divdi3();
+void __divdi3(void);
-void __divsf3();
+void __divsf3(void);
-void __divsi3();
+void __divsi3(void);
-void __eqdf2();
+void __eqdf2(void);
-void __eqsf2();
+void __eqsf2(void);
-void __extendsfdf2();
+void __extendsfdf2(void);
-void __fixdfdi();
+void __fixdfdi(void);
-void __fixdfsi();
+void __fixdfsi(void);
-void __fixsfdi();
+void __fixsfdi(void);
-void __fixsfsi();
+void __fixsfsi(void);
-void __fixunsdfdi();
+void __fixunsdfdi(void);
-void __fixunsdfsi();
+void __fixunsdfsi(void);
-void __fixunssfdi();
+void __fixunssfdi(void);
-void __floatdidf();
+void __floatdidf(void);
-void __floatdisf();
+void __floatdisf(void);
-void __floatsidf();
+void __floatsidf(void);
-void __floatsisf();
+void __floatsisf(void);
-void __floatundidf();
+void __floatundidf(void);
-void __floatundisf();
+void __floatundisf(void);
-void __floatunsidf();
+void __floatunsidf(void);
-void __floatunsisf();
+void __floatunsisf(void);
-void __gedf2();
+void __gedf2(void);
-void __gesf2();
+void __gesf2(void);
-void __gtdf2();
+void __gtdf2(void);
-void __gtsf2();
+void __gtsf2(void);
-void __ledf2();
+void __ledf2(void);
-void __lesf2();
+void __lesf2(void);
-void __ltdf2();
+void __ltdf2(void);
-void __ltsf2();
+void __ltsf2(void);
-void __moddi3();
+void __moddi3(void);
-void __modsi3();
+void __modsi3(void);
-void __muldf3();
+void __muldf3(void);
-void __mulsf3();
+void __mulsf3(void);
-void __nedf2();
+void __nedf2(void);
-void __nesf2();
+void __nesf2(void);
-void __subdf3();
+void __subdf3(void);
-void __subsf3();
+void __subsf3(void);
-void __truncdfsf2();
+void __truncdfsf2(void);
-void __udivdi3();
+void __udivdi3(void);
-void __udivmoddi4();
+void __udivmoddi4(void);
-void __udivsi3();
+void __udivsi3(void);
-void __umoddi3();
+void __umoddi3(void);
-void __umodsi3();
+void __umodsi3(void);
-void __unorddf2();
+void __unorddf2(void);
-void __unordsf2();
+void __unordsf2(void);
 /* clang-format on */
 
 static SymbolMap target_sym_map[] = {
@@ -255,7 +255,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 #undef BUILD_TARGET_ARM_DEFAULT
 
 uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
     /* 8 bytes instructions and 4 bytes symbol address */
     return 12;

core/iwasm/aot/arch/aot_reloc_mips.c

@@ -28,7 +28,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 }
 
 static uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
     return 0;
 }

core/iwasm/aot/arch/aot_reloc_riscv.c

@@ -49,58 +49,58 @@
 #endif
 
 /* clang-format off */
-void __adddf3();
+void __adddf3(void);
-void __addsf3();
+void __addsf3(void);
-void __divdf3();
+void __divdf3(void);
-void __divdi3();
+void __divdi3(void);
-void __divsf3();
+void __divsf3(void);
-void __divsi3();
+void __divsi3(void);
-void __eqdf2();
+void __eqdf2(void);
-void __eqsf2();
+void __eqsf2(void);
-void __extendsfdf2();
+void __extendsfdf2(void);
-void __fixdfdi();
+void __fixdfdi(void);
-void __fixdfsi();
+void __fixdfsi(void);
-void __fixsfdi();
+void __fixsfdi(void);
-void __fixsfsi();
+void __fixsfsi(void);
-void __fixunsdfdi();
+void __fixunsdfdi(void);
-void __fixunsdfsi();
+void __fixunsdfsi(void);
-void __fixunssfdi();
+void __fixunssfdi(void);
-void __fixunssfsi();
+void __fixunssfsi(void);
-void __floatdidf();
+void __floatdidf(void);
-void __floatdisf();
+void __floatdisf(void);
-void __floatsidf();
+void __floatsidf(void);
-void __floatsisf();
+void __floatsisf(void);
-void __floatundidf();
+void __floatundidf(void);
-void __floatundisf();
+void __floatundisf(void);
-void __floatunsidf();
+void __floatunsidf(void);
-void __floatunsisf();
+void __floatunsisf(void);
-void __gedf2();
+void __gedf2(void);
-void __gesf2();
+void __gesf2(void);
-void __gtdf2();
+void __gtdf2(void);
-void __gtsf2();
+void __gtsf2(void);
-void __ledf2();
+void __ledf2(void);
-void __lesf2();
+void __lesf2(void);
-void __ltdf2();
+void __ltdf2(void);
-void __ltsf2();
+void __ltsf2(void);
-void __moddi3();
+void __moddi3(void);
-void __modsi3();
+void __modsi3(void);
-void __muldf3();
+void __muldf3(void);
-void __muldi3();
+void __muldi3(void);
-void __mulsf3();
+void __mulsf3(void);
-void __mulsi3();
+void __mulsi3(void);
-void __nedf2();
+void __nedf2(void);
-void __negdf2();
+void __negdf2(void);
-void __negsf2();
+void __negsf2(void);
-void __nesf2();
+void __nesf2(void);
-void __subdf3();
+void __subdf3(void);
-void __subsf3();
+void __subsf3(void);
-void __truncdfsf2();
+void __truncdfsf2(void);
-void __udivdi3();
+void __udivdi3(void);
-void __udivsi3();
+void __udivsi3(void);
-void __umoddi3();
+void __umoddi3(void);
-void __umodsi3();
+void __umodsi3(void);
-void __unorddf2();
+void __unorddf2(void);
-void __unordsf2();
+void __unordsf2(void);
 /* clang-format on */
 
 static SymbolMap target_sym_map[] = {
@@ -193,7 +193,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 }
 
 uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
 #if __riscv_xlen == 64
     /* auipc + ld + jalr + nop + addr */

core/iwasm/aot/arch/aot_reloc_thumb.c

@@ -14,102 +14,102 @@
 #define R_ARM_THM_MOVT_PREL 50
 
 /* clang-format off */
-void __adddf3();
+void __adddf3(void);
-void __addsf3();
+void __addsf3(void);
-void __aeabi_d2f();
+void __aeabi_d2f(void);
-void __aeabi_d2iz();
+void __aeabi_d2iz(void);
-void __aeabi_d2lz();
+void __aeabi_d2lz(void);
-void __aeabi_d2uiz();
+void __aeabi_d2uiz(void);
-void __aeabi_d2ulz();
+void __aeabi_d2ulz(void);
-void __aeabi_dadd();
+void __aeabi_dadd(void);
-void __aeabi_dcmpeq();
+void __aeabi_dcmpeq(void);
-void __aeabi_dcmpge();
+void __aeabi_dcmpge(void);
-void __aeabi_dcmpgt();
+void __aeabi_dcmpgt(void);
-void __aeabi_dcmple();
+void __aeabi_dcmple(void);
-void __aeabi_dcmplt();
+void __aeabi_dcmplt(void);
-void __aeabi_dcmpun();
+void __aeabi_dcmpun(void);
-void __aeabi_ddiv();
+void __aeabi_ddiv(void);
-void __aeabi_dmul();
+void __aeabi_dmul(void);
-void __aeabi_dsub();
+void __aeabi_dsub(void);
-void __aeabi_f2d();
+void __aeabi_f2d(void);
-void __aeabi_f2iz();
+void __aeabi_f2iz(void);
-void __aeabi_f2lz();
+void __aeabi_f2lz(void);
-void __aeabi_f2ulz();
+void __aeabi_f2ulz(void);
-void __aeabi_fadd();
+void __aeabi_fadd(void);
-void __aeabi_fcmpeq();
+void __aeabi_fcmpeq(void);
-void __aeabi_fcmpge();
+void __aeabi_fcmpge(void);
-void __aeabi_fcmpgt();
+void __aeabi_fcmpgt(void);
-void __aeabi_fcmple();
+void __aeabi_fcmple(void);
-void __aeabi_fcmplt();
+void __aeabi_fcmplt(void);
-void __aeabi_fcmpun();
+void __aeabi_fcmpun(void);
-void __aeabi_fdiv();
+void __aeabi_fdiv(void);
-void __aeabi_fmul();
+void __aeabi_fmul(void);
-void __aeabi_fsub();
+void __aeabi_fsub(void);
-void __aeabi_i2d();
+void __aeabi_i2d(void);
-void __aeabi_i2f();
+void __aeabi_i2f(void);
-void __aeabi_idiv();
+void __aeabi_idiv(void);
-void __aeabi_idivmod();
+void __aeabi_idivmod(void);
-void __aeabi_l2d();
+void __aeabi_l2d(void);
-void __aeabi_l2f();
+void __aeabi_l2f(void);
-void __aeabi_ldivmod();
+void __aeabi_ldivmod(void);
-void __aeabi_llsl();
+void __aeabi_llsl(void);
-void __aeabi_llsr();
+void __aeabi_llsr(void);
-void __aeabi_lmul();
+void __aeabi_lmul(void);
-void __aeabi_ui2d();
+void __aeabi_ui2d(void);
-void __aeabi_ui2f();
+void __aeabi_ui2f(void);
-void __aeabi_uidiv();
+void __aeabi_uidiv(void);
-void __aeabi_uidivmod();
+void __aeabi_uidivmod(void);
-void __aeabi_ul2d();
+void __aeabi_ul2d(void);
-void __aeabi_ul2f();
+void __aeabi_ul2f(void);
-void __aeabi_uldivmod();
+void __aeabi_uldivmod(void);
-void __ashldi3();
+void __ashldi3(void);
-void __clzsi2();
+void __clzsi2(void);
-void __divdf3();
+void __divdf3(void);
-void __divdi3();
+void __divdi3(void);
-void __divsi3();
+void __divsi3(void);
-void __eqdf2();
+void __eqdf2(void);
-void __eqsf2();
+void __eqsf2(void);
-void __extendsfdf2();
+void __extendsfdf2(void);
-void __fixdfdi();
+void __fixdfdi(void);
-void __fixdfsi();
+void __fixdfsi(void);
-void __fixsfdi();
+void __fixsfdi(void);
-void __fixunsdfdi();
+void __fixunsdfdi(void);
-void __fixunsdfsi();
+void __fixunsdfsi(void);
-void __fixunssfdi();
+void __fixunssfdi(void);
-void __floatdidf();
+void __floatdidf(void);
-void __floatdisf();
+void __floatdisf(void);
-void __floatsidf();
+void __floatsidf(void);
-void __floatsisf();
+void __floatsisf(void);
-void __floatundidf();
+void __floatundidf(void);
-void __floatundisf();
+void __floatundisf(void);
-void __floatunsidf();
+void __floatunsidf(void);
-void __floatunsisf();
+void __floatunsisf(void);
-void __gedf2();
+void __gedf2(void);
-void __gesf2();
+void __gesf2(void);
-void __gtdf2();
+void __gtdf2(void);
-void __gtsf2();
+void __gtsf2(void);
-void __ledf2();
+void __ledf2(void);
-void __lesf2();
+void __lesf2(void);
-void __lshrdi3();
+void __lshrdi3(void);
-void __ltdf2();
+void __ltdf2(void);
-void __ltsf2();
+void __ltsf2(void);
-void __moddi3();
+void __moddi3(void);
-void __modsi3();
+void __modsi3(void);
-void __muldf3();
+void __muldf3(void);
-void __muldi3();
+void __muldi3(void);
-void __mulsf3();
+void __mulsf3(void);
-void __nedf2();
+void __nedf2(void);
-void __nesf2();
+void __nesf2(void);
-void __subdf3();
+void __subdf3(void);
-void __subsf3();
+void __subsf3(void);
-void __truncdfsf2();
+void __truncdfsf2(void);
-void __udivdi3();
+void __udivdi3(void);
-void __udivmoddi4();
+void __udivmoddi4(void);
-void __udivsi3();
+void __udivsi3(void);
-void __umoddi3();
+void __umoddi3(void);
-void __umodsi3();
+void __umodsi3(void);
-void __unorddf2();
+void __unorddf2(void);
-void __unordsf2();
+void __unordsf2(void);
 /* clang-format on */
 
 static SymbolMap target_sym_map[] = {
@@ -259,7 +259,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 #undef BUILD_TARGET_THUMB_V4T
 
 uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
     /* 16 bytes instructions and 4 bytes symbol address */
     return 20;

core/iwasm/aot/arch/aot_reloc_x86_64.c

@@ -58,7 +58,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 }
 
 static uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
     /* size of mov instruction and jmp instruction */
     return 12;

core/iwasm/aot/arch/aot_reloc_xtensa.c

@@ -10,44 +10,44 @@
 
 /* clang-format off */
 /* for soft-float */
-void __floatsidf();
+void __floatsidf(void);
-void __divdf3();
+void __divdf3(void);
-void __ltdf2();
+void __ltdf2(void);
 
 /* for mul32 */
-void __mulsi3();
+void __mulsi3(void);
-void __muldi3();
+void __muldi3(void);
 
-void __modsi3();
+void __modsi3(void);
 
-void __divdi3();
+void __divdi3(void);
 
-void __udivdi3();
+void __udivdi3(void);
-void __unorddf2();
+void __unorddf2(void);
-void __adddf3();
+void __adddf3(void);
-void __eqdf2();
+void __eqdf2(void);
-void __muldf3();
+void __muldf3(void);
-void __gedf2();
+void __gedf2(void);
-void __ledf2();
+void __ledf2(void);
-void __fixunsdfsi();
+void __fixunsdfsi(void);
-void __floatunsidf();
+void __floatunsidf(void);
-void __subdf3();
+void __subdf3(void);
-void __nedf2();
+void __nedf2(void);
-void __fixdfsi();
+void __fixdfsi(void);
-void __moddi3();
+void __moddi3(void);
-void __extendsfdf2();
+void __extendsfdf2(void);
-void __truncdfsf2();
+void __truncdfsf2(void);
-void __gtdf2();
+void __gtdf2(void);
-void __umoddi3();
+void __umoddi3(void);
-void __floatdidf();
+void __floatdidf(void);
-void __divsf3();
+void __divsf3(void);
-void __fixdfdi();
+void __fixdfdi(void);
-void __floatundidf();
+void __floatundidf(void);
-void __fixsfdi();
+void __fixsfdi(void);
-void __fixunssfdi();
+void __fixunssfdi(void);
-void __fixunsdfdi();
+void __fixunsdfdi(void);
-void __floatdisf();
+void __floatdisf(void);
-void __floatundisf();
+void __floatundisf(void);
 
 
 static SymbolMap target_sym_map[] = {
@@ -119,7 +119,7 @@ get_current_target(char *target_buf, uint32 target_buf_size)
 }
 
 static uint32
-get_plt_item_size()
+get_plt_item_size(void)
 {
     return 0;
 }

core/iwasm/aot/debug/jit_debug.c

@@ -69,10 +69,10 @@ typedef struct JITDescriptor {
  * and inline assembler statement inside.
  */
 void attribute_noinline
-__jit_debug_register_code();
+__jit_debug_register_code(void);
 
 void attribute_noinline
-__jit_debug_register_code()
+__jit_debug_register_code(void)
 {
     int x;
     *(char *)&x = '\0';
@@ -96,7 +96,7 @@ extern JITDescriptor __jit_debug_descriptor;
  * This gives the debugger an easy way to inject custom code to
  * handle the events.
  */
-void (*__jit_debug_register_code_ptr)() = __jit_debug_register_code;
+void (*__jit_debug_register_code_ptr)(void) = __jit_debug_register_code;
 
 #ifdef __cplusplus
 }
@@ -171,7 +171,7 @@ DestroyJITCodeEntryInternal(JITCodeEntry *entry)
 }
 
 bool
-jit_debug_engine_init()
+jit_debug_engine_init(void)
 {
     if (jit_debug_engine) {
         return true;
@@ -194,7 +194,7 @@ jit_debug_engine_init()
 }
 
 void
-jit_debug_engine_destroy()
+jit_debug_engine_destroy(void)
 {
     if (jit_debug_engine) {
         WASMJITEntryNode *node, *node_next;

core/iwasm/aot/debug/jit_debug.h

@@ -11,10 +11,10 @@ extern "C" {
 #endif
 
 bool
-jit_debug_engine_init();
+jit_debug_engine_init(void);
 
 void
-jit_debug_engine_destroy();
+jit_debug_engine_destroy(void);
 
 bool
 jit_code_entry_create(const uint8 *symfile_addr, uint64 symfile_size);

core/iwasm/common/wasm_memory.c

@@ -159,7 +159,7 @@ wasm_runtime_memory_init(mem_alloc_type_t mem_alloc_type,
 }
 
 void
-wasm_runtime_memory_destroy()
+wasm_runtime_memory_destroy(void)
 {
     if (memory_mode == MEMORY_MODE_POOL) {
 #if BH_ENABLE_GC_VERIFY == 0
@@ -176,7 +176,7 @@ wasm_runtime_memory_destroy()
 }
 
 unsigned
-wasm_runtime_memory_pool_size()
+wasm_runtime_memory_pool_size(void)
 {
     if (memory_mode == MEMORY_MODE_POOL)
         return global_pool_size;

core/iwasm/common/wasm_memory.h

@@ -46,10 +46,10 @@ wasm_runtime_memory_init(mem_alloc_type_t mem_alloc_type,
                          const MemAllocOption *alloc_option);
 
 void
-wasm_runtime_memory_destroy();
+wasm_runtime_memory_destroy(void);
 
 unsigned
-wasm_runtime_memory_pool_size();
+wasm_runtime_memory_pool_size(void);
 
 void
 wasm_runtime_set_mem_bound_check_bytes(WASMMemoryInstance *memory,

core/iwasm/common/wasm_native.c

@@ -469,7 +469,7 @@ wasi_context_dtor(WASMModuleInstanceCommon *inst, void *ctx)
 
 #if WASM_ENABLE_QUICK_AOT_ENTRY != 0
 static bool
-quick_aot_entry_init();
+quick_aot_entry_init(void);
 #endif
 
 bool
@@ -1461,7 +1461,7 @@ quick_aot_entry_cmp(const void *quick_aot_entry1, const void *quick_aot_entry2)
 }
 
 static bool
-quick_aot_entry_init()
+quick_aot_entry_init(void)
 {
     qsort(quick_aot_entries, sizeof(quick_aot_entries) / sizeof(QuickAOTEntry),
           sizeof(QuickAOTEntry), quick_aot_entry_cmp);

core/iwasm/common/wasm_native.h

@@ -100,10 +100,10 @@ wasm_native_inherit_contexts(struct WASMModuleInstanceCommon *child,
 #endif /* WASM_ENABLE_MODULE_INST_CONTEXT */
 
 bool
-wasm_native_init();
+wasm_native_init(void);
 
 void
-wasm_native_destroy();
+wasm_native_destroy(void);
 
 #if WASM_ENABLE_QUICK_AOT_ENTRY != 0
 void *

core/iwasm/common/wasm_runtime_common.c

@@ -86,7 +86,7 @@ static bh_list registered_module_list_head;
 static bh_list *const registered_module_list = &registered_module_list_head;
 static korp_mutex registered_module_list_lock;
 static void
-wasm_runtime_destroy_registered_module_list();
+wasm_runtime_destroy_registered_module_list(void);
 #endif /* WASM_ENABLE_MULTI_MODULE */
 
 #define E_TYPE_XIP 4
@@ -97,11 +97,11 @@ val_type_to_val_kind(uint8 value_type);
 #if WASM_ENABLE_GC == 0 && WASM_ENABLE_REF_TYPES != 0
 /* Initialize externref hashmap */
 static bool
-wasm_externref_map_init();
+wasm_externref_map_init(void);
 
 /* Destroy externref hashmap */
 static void
-wasm_externref_map_destroy();
+wasm_externref_map_destroy(void);
 #endif /* end of WASM_ENABLE_GC == 0 && WASM_ENABLE_REF_TYPES != 0 */
 
 static void
@@ -438,7 +438,7 @@ wasm_runtime_get_exec_env_tls()
 #endif /* end of OS_ENABLE_HW_BOUND_CHECK */
 
 static bool
-wasm_runtime_env_init()
+wasm_runtime_env_init(void)
 {
     if (bh_platform_init() != 0)
         return false;
@@ -584,7 +584,7 @@ static korp_mutex runtime_lock = OS_THREAD_MUTEX_INITIALIZER;
 static int32 runtime_ref_count = 0;
 
 static bool
-wasm_runtime_init_internal()
+wasm_runtime_init_internal(void)
 {
     if (!wasm_runtime_memory_init(Alloc_With_System_Allocator, NULL))
         return false;
@@ -622,7 +622,7 @@ wasm_runtime_init()
 }
 
 static void
-wasm_runtime_destroy_internal()
+wasm_runtime_destroy_internal(void)
 {
 #if WASM_ENABLE_GC == 0 && WASM_ENABLE_REF_TYPES != 0
     wasm_externref_map_destroy();
@@ -4747,7 +4747,7 @@ fail:
     || defined(BUILD_TARGET_RISCV32_ILP32D)                          \
     || defined(BUILD_TARGET_RISCV32_ILP32F)                          \
     || defined(BUILD_TARGET_RISCV32_ILP32) || defined(BUILD_TARGET_ARC)
-typedef void (*GenericFunctionPointer)();
+typedef void (*GenericFunctionPointer)(void);
 void
 invokeNative(GenericFunctionPointer f, uint32 *args, uint32 n_stacks);
 
@@ -5312,7 +5312,7 @@ fail:
 #if defined(BUILD_TARGET_X86_32) || defined(BUILD_TARGET_ARM)    \
     || defined(BUILD_TARGET_THUMB) || defined(BUILD_TARGET_MIPS) \
     || defined(BUILD_TARGET_XTENSA)
-typedef void (*GenericFunctionPointer)();
+typedef void (*GenericFunctionPointer)(void);
 void
 invokeNative(GenericFunctionPointer f, uint32 *args, uint32 sz);
 
@@ -5597,7 +5597,7 @@ typedef uint32x4_t __m128i;
 
 #endif /* end of WASM_ENABLE_SIMD != 0 */
 
-typedef void (*GenericFunctionPointer)();
+typedef void (*GenericFunctionPointer)(void);
 void
 invokeNative(GenericFunctionPointer f, uint64 *args, uint64 n_stacks);
 

core/iwasm/common/wasm_runtime_common.h

@@ -852,10 +852,10 @@ wasm_runtime_set_module_reader(const module_reader reader,
                                const module_destroyer destroyer);
 
 module_reader
-wasm_runtime_get_module_reader();
+wasm_runtime_get_module_reader(void);
 
 module_destroyer
-wasm_runtime_get_module_destroyer();
+wasm_runtime_get_module_destroyer(void);
 
 bool
 wasm_runtime_register_module_internal(const char *module_name,
@@ -881,7 +881,7 @@ bool
 wasm_runtime_is_loading_module(const char *module_name);
 
 void
-wasm_runtime_destroy_loading_module_list();
+wasm_runtime_destroy_loading_module_list(void);
 
 WASMModuleCommon *
 wasm_runtime_search_sub_module(const WASMModuleCommon *parent_module,
@@ -1168,7 +1168,7 @@ wasm_runtime_quick_invoke_c_api_native(WASMModuleInstanceCommon *module_inst,
                                        uint32 result_count);
 
 void
-wasm_runtime_show_app_heap_corrupted_prompt();
+wasm_runtime_show_app_heap_corrupted_prompt(void);
 
 #if WASM_ENABLE_LOAD_CUSTOM_SECTION != 0
 void

core/iwasm/common/wasm_shared_memory.h

@@ -17,10 +17,10 @@ extern "C" {
 extern korp_mutex g_shared_memory_lock;
 
 bool
-wasm_shared_memory_init();
+wasm_shared_memory_init(void);
 
 void
-wasm_shared_memory_destroy();
+wasm_shared_memory_destroy(void);
 
 uint16
 shared_memory_inc_reference(WASMMemoryInstance *memory);

core/iwasm/compilation/aot.h

@@ -312,7 +312,7 @@ void
 aot_destroy_comp_data(AOTCompData *comp_data);
 
 char *
-aot_get_last_error();
+aot_get_last_error(void);
 
 void
 aot_set_last_error(const char *error);

core/iwasm/interpreter/wasm_interp_fast.c

@@ -6030,7 +6030,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
 
 #if WASM_ENABLE_LABELS_AS_VALUES != 0
 void **
-wasm_interp_get_handle_table()
+wasm_interp_get_handle_table(void)
 {
     WASMModuleInstance module;
     memset(&module, 0, sizeof(WASMModuleInstance));

core/iwasm/interpreter/wasm_loader.c

@@ -5751,7 +5751,7 @@ wasm_loader_prepare_bytecode(WASMModule *module, WASMFunction *func,
 
 #if WASM_ENABLE_FAST_INTERP != 0 && WASM_ENABLE_LABELS_AS_VALUES != 0
 void **
-wasm_interp_get_handle_table();
+wasm_interp_get_handle_table(void);
 
 static void **handle_table;
 #endif

core/iwasm/interpreter/wasm_mini_loader.c

@@ -2532,7 +2532,7 @@ wasm_loader_prepare_bytecode(WASMModule *module, WASMFunction *func,
 
 #if WASM_ENABLE_FAST_INTERP != 0 && WASM_ENABLE_LABELS_AS_VALUES != 0
 void **
-wasm_interp_get_handle_table();
+wasm_interp_get_handle_table(void);
 
 static void **handle_table;
 #endif

core/iwasm/libraries/lib-wasi-threads/lib_wasi_threads_wrapper.c

@@ -29,7 +29,7 @@ typedef struct {
 } ThreadStartArg;
 
 static int32
-allocate_thread_id()
+allocate_thread_id(void)
 {
     os_mutex_lock(&thread_id_lock);
     int32 id = tid_allocator_get_tid(&tid_allocator);

core/iwasm/libraries/thread-mgr/thread_manager.h

@@ -64,10 +64,10 @@ void
 wasm_cluster_set_max_thread_num(uint32 num);
 
 bool
-thread_manager_init();
+thread_manager_init(void);
 
 void
-thread_manager_destroy();
+thread_manager_destroy(void);
 
 /* Create cluster */
 WASMCluster *
@@ -109,7 +109,7 @@ bool
 wasm_cluster_register_destroy_callback(void (*callback)(WASMCluster *));
 
 void
-wasm_cluster_cancel_all_callbacks();
+wasm_cluster_cancel_all_callbacks(void);
 
 void
 wasm_cluster_suspend_all(WASMCluster *cluster);
@@ -190,7 +190,7 @@ struct WASMCurrentEnvStatus {
 };
 
 WASMCurrentEnvStatus *
-wasm_cluster_create_exenv_status();
+wasm_cluster_create_exenv_status(void);
 
 void
 wasm_cluster_destroy_exenv_status(WASMCurrentEnvStatus *status);

core/shared/platform/include/platform_api_extension.h

@@ -379,19 +379,19 @@ os_sem_unlink(const char *name);
  * Initialize process-global state for os_wakeup_blocking_op.
  */
 int
-os_blocking_op_init();
+os_blocking_op_init(void);
 
 /**
  * Start accepting os_wakeup_blocking_op requests for the calling thread.
  */
 void
-os_begin_blocking_op();
+os_begin_blocking_op(void);
 
 /**
  * Stop accepting os_wakeup_blocking_op requests for the calling thread.
  */
 void
-os_end_blocking_op();
+os_end_blocking_op(void);
 
 /**
  * Wake up the specified thread.
@@ -1586,7 +1586,7 @@ os_closedir(os_dir_stream dir_stream);
  * @return the invalid directory stream
  */
 os_dir_stream
-os_get_invalid_dir_stream();
+os_get_invalid_dir_stream(void);
 
 /**
  * Checks whether the given directory stream is valid. An invalid directory
@@ -1605,7 +1605,7 @@ os_is_dir_stream_valid(os_dir_stream *dir_stream);
  * @return the invalid handle
  */
 os_file_handle
-os_get_invalid_handle();
+os_get_invalid_handle(void);
 
 /**
  * Checks whether the given file handle is valid. An invalid handle is

core/shared/platform/nuttx/platform_internal.h

@@ -137,7 +137,7 @@ typedef DIR *os_dir_stream;
 typedef int os_raw_file_handle;
 
 static inline os_file_handle
-os_get_invalid_handle()
+os_get_invalid_handle(void)
 {
     return -1;
 }

product-mini/platforms/common/libc_wasi.c

@@ -28,7 +28,7 @@ typedef enum {
 } libc_wasi_parse_result_t;
 
 static void
-libc_wasi_print_help()
+libc_wasi_print_help(void)
 {
     printf("  --env=<env>              Pass wasi environment variables with "
            "\"key=value\"\n");

product-mini/platforms/nuttx/CMakeLists.txt

@@ -197,7 +197,7 @@ include(${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
 # NuttX wamr lib complie required: `WAMR_SOURCES` `WAMR_CFLAGS` `WAMR_INCDIRS`
 # `WAMR_DEFINITIONS`
 set(WAMR_SOURCES ${WAMR_RUNTIME_LIB_SOURCE})
-set(WAMR_CFLAGS -Wno-strict-prototypes -Wno-shadow -Wno-unused-variable
+set(WAMR_CFLAGS -Wno-shadow -Wno-unused-variable
                 -Wno-int-conversion -Wno-implicit-function-declaration)
 get_directory_property(WAMR_INCDIRS INCLUDE_DIRECTORIES)
 get_directory_property(WAMR_DEFINITIONS COMPILE_DEFINITIONS)

product-mini/platforms/nuttx/wamr.mk

@@ -400,7 +400,7 @@ CFLAGS += -DWASM_ENABLE_EXCE_HANDLING=0
 CFLAGS += -DWASM_ENABLE_TAGS=0
 endif
 
-CFLAGS += -Wno-strict-prototypes -Wno-shadow -Wno-unused-variable
+CFLAGS += -Wno-shadow -Wno-unused-variable
 CFLAGS += -Wno-int-conversion -Wno-implicit-function-declaration
 
 CFLAGS += -I${CORE_ROOT} \

product-mini/platforms/posix/main.c

@@ -27,7 +27,7 @@ static char **app_argv;
 
 /* clang-format off */
 static int
-print_help()
+print_help(void)
 {
     printf("Usage: iwasm [-options] wasm_file [args...]\n");
     printf("options:\n");