cl: pkgKind = normal/noinit/decl

internal/runtime/c/c.go

@@ -14,18 +14,28 @@
  * limitations under the License.
  */
 
-package runtime
+package c
 
 import "unsafe"
 
 const (
-	LLGoPackage = true
+	LLGoPackage = "decl"
 )
 
+//go:linkname String llgo.CString
+func String(string) *int8
+
+//go:linkname Alloca llgo.Alloca
+func Alloca(size uintptr) unsafe.Pointer
+
+//go:linkname Unreachable llgo.Unreachable
+func Unreachable()
+
 //go:linkname Malloc C.malloc
 func Malloc(size uintptr) unsafe.Pointer
 
-// Alloc allocates memory.
-func Alloc(size uintptr) unsafe.Pointer {
-	return Malloc(size)
-}
+//go:linkname Memcpy C.memcpy
+func Memcpy(dst, src unsafe.Pointer, n uintptr) unsafe.Pointer
+
+//go:linkname Printf C.printf
+func Printf(format *int8, __llgo_va_list ...any)

internal/runtime/z_c.go

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package runtime
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/internal/runtime/c"
+)
+
+// Alloc allocates memory.
+func Alloc(size uintptr) unsafe.Pointer {
+	return c.Malloc(size)
+}
+
+/*
+// Panic panics with a value.
+func Panic(v Interface) {
+	c.Printf(c.String("Panic!!!\n"))
+	kind := abi.Kind(v.tab._type.Kind_)
+	switch {
+	case kind == abi.String:
+		s := (*String)(v.data)
+		cs := c.Alloca(uintptr(s.len) + 1)
+		c.Memcpy(cs, s.data, uintptr(s.len))
+		(*[1 << 30]int8)(cs)[s.len] = 0
+		c.Printf(c.String("%s\n"), cs)
+	}
+}
+*/