Simplified file structure

src/config/config.go

@@ -0,0 +1,26 @@
+package config
+
+const (
+	// This is the absolute virtual minimum address we can load a program at, see `sysctl vm.mmap_min_addr`.
+	MinAddress = 0x10000
+
+	// The base address is the virtual address for our ELF file.
+	BaseAddress = 0x40 * MinAddress
+
+	// The code offset is the offset of the executable machine code within the file.
+	CodeOffset = 64 + 56 + 56
+
+	// Align decides the alignment of the sections and it must be a multiple of the page size.
+	Align = 0x1000
+)
+
+var (
+	// Shows the assembly instructions at the end of the compilation.
+	Assembler = false
+
+	// Calculates the result of operations on constants at compile time.
+	ConstantFold = true
+
+	// Skips writing the executable to disk.
+	Dry = false
+)

src/config/init.go

@@ -0,0 +1,59 @@
+package config
+
+import (
+	"os"
+	"path"
+	"path/filepath"
+	"runtime/debug"
+)
+
+var (
+	Executable       string
+	Root             string
+	Library          string
+	WorkingDirectory string
+)
+
+func init() {
+	debug.SetGCPercent(-1)
+
+	var err error
+	Executable, err = os.Executable()
+
+	if err != nil {
+		panic(err)
+	}
+
+	WorkingDirectory, err = os.Getwd()
+
+	if err != nil {
+		panic(err)
+	}
+
+	Root = filepath.Dir(Executable)
+	Library = filepath.Join(Root, "lib")
+	stat, err := os.Stat(Library)
+
+	if os.IsNotExist(err) || stat == nil || !stat.IsDir() {
+		findLibrary()
+	}
+}
+
+func findLibrary() {
+	dir := WorkingDirectory
+
+	for {
+		Library = path.Join(dir, "lib")
+		stat, err := os.Stat(Library)
+
+		if !os.IsNotExist(err) && stat != nil && stat.IsDir() {
+			return
+		}
+
+		if dir == "/" {
+			panic("standard library not found")
+		}
+
+		dir = filepath.Dir(dir)
+	}
+}