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Change wasm app offset type from int32 to uint32 (#361)

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And fix some sign/unsigned conversion compilation warnings.
This commit is contained in:
Wenyong Huang
2020-08-26 18:33:29 +08:00
committed by GitHub
parent 049760b849
commit 034606b0a9
20 changed files with 191 additions and 179 deletions
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36
core/iwasm/interpreter/wasm_runtime.c
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@ -1562,7 +1562,7 @@ wasm_get_exception(WASMModuleInstance *module_inst)
return module_inst->cur_exception;
}
int32
uint32
wasm_module_malloc(WASMModuleInstance *module_inst, uint32 size,
void **p_native_addr)
{
@ -1589,15 +1589,15 @@ wasm_module_malloc(WASMModuleInstance *module_inst, uint32 size,
}
if (p_native_addr)
*p_native_addr = addr;
return (int32)(addr - memory->memory_data);
return (uint32)(addr - memory->memory_data);
}
void
wasm_module_free(WASMModuleInstance *module_inst, int32 ptr)
wasm_module_free(WASMModuleInstance *module_inst, uint32 ptr)
{
if (ptr) {
WASMMemoryInstance *memory = module_inst->default_memory;
uint8 *addr = memory->memory_data + (uint32)ptr;
uint8 *addr = memory->memory_data + ptr;
if (memory->heap_handle
&& memory->heap_data <= addr
@ -1610,18 +1610,18 @@ wasm_module_free(WASMModuleInstance *module_inst, int32 ptr)
&& addr < memory->memory_data_end) {
execute_free_function(module_inst,
module_inst->free_function,
(uint32)ptr);
ptr);
}
}
}
int32
uint32
wasm_module_dup_data(WASMModuleInstance *module_inst,
const char *src, uint32 size)
{
char *buffer;
int32 buffer_offset = wasm_module_malloc(module_inst, size,
(void**)&buffer);
uint32 buffer_offset = wasm_module_malloc(module_inst, size,
(void**)&buffer);
if (buffer_offset != 0) {
buffer = wasm_addr_app_to_native(module_inst, buffer_offset);
bh_memcpy_s(buffer, size, src, size);
@ -1631,18 +1631,18 @@ wasm_module_dup_data(WASMModuleInstance *module_inst,
bool
wasm_validate_app_addr(WASMModuleInstance *module_inst,
int32 app_offset, uint32 size)
uint32 app_offset, uint32 size)
{
WASMMemoryInstance *memory = module_inst->default_memory;
uint32 memory_data_size =
memory->num_bytes_per_page * memory->cur_page_count;
/* integer overflow check */
if ((uint32)app_offset + size < (uint32)app_offset) {
if (app_offset + size < app_offset) {
goto fail;
}
if ((uint32)app_offset + size <= memory_data_size) {
if (app_offset + size <= memory_data_size) {
return true;
}
fail:
@ -1673,7 +1673,7 @@ fail:
void *
wasm_addr_app_to_native(WASMModuleInstance *module_inst,
int32 app_offset)
uint32 app_offset)
{
WASMMemoryInstance *memory = module_inst->default_memory;
uint8 *addr = memory->memory_data + app_offset;
@ -1684,7 +1684,7 @@ wasm_addr_app_to_native(WASMModuleInstance *module_inst,
return NULL;
}
int32
uint32
wasm_addr_native_to_app(WASMModuleInstance *module_inst,
void *native_ptr)
{
@ -1693,21 +1693,21 @@ wasm_addr_native_to_app(WASMModuleInstance *module_inst,
if (memory->memory_data <= addr
&& addr < memory->memory_data_end)
return (int32)(addr - memory->memory_data);
return (uint32)(addr - memory->memory_data);
return 0;
}
bool
wasm_get_app_addr_range(WASMModuleInstance *module_inst,
int32 app_offset,
int32 *p_app_start_offset,
int32 *p_app_end_offset)
uint32 app_offset,
uint32 *p_app_start_offset,
uint32 *p_app_end_offset)
{
WASMMemoryInstance *memory = module_inst->default_memory;
uint32 memory_data_size =
memory->num_bytes_per_page * memory->cur_page_count;
if ((uint32)app_offset < memory_data_size) {
if (app_offset < memory_data_size) {
if (p_app_start_offset)
*p_app_start_offset = 0;
if (p_app_end_offset)