Add control for the native stack check with hardware trap (#1682)

Add a new options to control the native stack hw bound check feature:
- Besides the original option `cmake -DWAMR_DISABLE_HW_BOUND_CHECK=1/0`,
  add a new option `cmake -DWAMR_DISABLE_STACK_HW_BOUND_CHECK=1/0`
- When the linear memory hw bound check is disabled, the stack hw bound check
   will be disabled automatically, no matter what the input option is
- When the linear memory hw bound check is enabled, the stack hw bound check
  is enabled/disabled according to the value of input option
- Besides the original option `--bounds-checks=1/0`, add a new option
  `--stack-bounds-checks=1/0` for wamrc

Refer to: https://github.com/bytecodealliance/wasm-micro-runtime/issues/1677

core/iwasm/compilation/aot_emit_function.c

@@ -797,7 +797,7 @@ aot_compile_op_call(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
         callee_cell_num =
             aot_func->param_cell_num + aot_func->local_cell_num + 1;
 
-        if (comp_ctx->enable_bound_check
+        if (comp_ctx->enable_stack_bound_check
             && !check_stack_boundary(comp_ctx, func_ctx, callee_cell_num))
             goto fail;
 
@@ -1411,7 +1411,7 @@ aot_compile_op_call_indirect(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
     /* Translate call non-import block */
     LLVMPositionBuilderAtEnd(comp_ctx->builder, block_call_non_import);
 
-    if (comp_ctx->enable_bound_check
+    if (comp_ctx->enable_stack_bound_check
         && !check_stack_boundary(comp_ctx, func_ctx,
                                  param_cell_num + ext_cell_num
                                      + 1

core/iwasm/compilation/aot_llvm.c

@@ -1555,8 +1555,22 @@ aot_create_comp_context(AOTCompData *comp_data, aot_comp_option_t option)
 
 #ifndef OS_ENABLE_HW_BOUND_CHECK
         comp_ctx->enable_bound_check = true;
+        /* Always enable stack boundary check if `bounds-checks`
+           is enabled */
+        comp_ctx->enable_stack_bound_check = true;
 #else
         comp_ctx->enable_bound_check = false;
+        /* When `bounds-checks` is disabled, we set stack boundary
+           check status according to the compilation option */
+#if WASM_DISABLE_STACK_HW_BOUND_CHECK != 0
+        /* Native stack overflow check with hardware trap is disabled,
+           we need to enable the check by LLVM JITed/AOTed code */
+        comp_ctx->enable_stack_bound_check = true;
+#else
+        /* Native stack overflow check with hardware trap is enabled,
+           no need to enable the check by LLVM JITed/AOTed code */
+        comp_ctx->enable_stack_bound_check = false;
+#endif
 #endif
     }
     else {
@@ -1868,6 +1882,18 @@ aot_create_comp_context(AOTCompData *comp_data, aot_comp_option_t option)
             }
         }
 
+        if (comp_ctx->enable_bound_check) {
+            /* Always enable stack boundary check if `bounds-checks`
+               is enabled */
+            comp_ctx->enable_stack_bound_check = true;
+        }
+        else {
+            /* When `bounds-checks` is disabled, we set stack boundary
+               check status according to the input option */
+            comp_ctx->enable_stack_bound_check =
+                (option->stack_bounds_checks == 1) ? true : false;
+        }
+
         os_printf("Create AoT compiler with:\n");
         os_printf("  target:        %s\n", comp_ctx->target_arch);
         os_printf("  target cpu:    %s\n", cpu);

core/iwasm/compilation/aot_llvm.h

@@ -310,6 +310,9 @@ typedef struct AOTCompContext {
     /* Bounday Check */
     bool enable_bound_check;
 
+    /* Native stack bounday Check */
+    bool enable_stack_bound_check;
+
     /* 128-bit SIMD */
     bool enable_simd;
 
@@ -404,6 +407,7 @@ typedef struct AOTCompOption {
     uint32 size_level;
     uint32 output_format;
     uint32 bounds_checks;
+    uint32 stack_bounds_checks;
     char **custom_sections;
     uint32 custom_sections_count;
 } AOTCompOption, *aot_comp_option_t;