...

example/main.nub

@@ -38,6 +38,5 @@ export func main(args: []^string): i64 {
         i = i + 1
     }
 
-
     return 0
 }

src/CLI/GCC.cs

@@ -7,7 +7,7 @@ public static class GCC
     public static async Task<bool> Assemble(string asmPath, string objPath)
     {
         using var gccProcess = new Process();
-        gccProcess.StartInfo = new ProcessStartInfo("gcc", ["-c", asmPath, "-o", objPath])
+        gccProcess.StartInfo = new ProcessStartInfo("gcc", ["-g", "-c", asmPath, "-o", objPath])
         {
             UseShellExecute = false,
             RedirectStandardOutput = true,
@@ -30,7 +30,7 @@ public static class GCC
     public static async Task<bool> Link(List<string> objectFiles, string outputPath)
     {
         using var gccProcess = new Process();
-        gccProcess.StartInfo = new ProcessStartInfo("gcc", ["-nostartfiles", "-o", outputPath, ..objectFiles])
+        gccProcess.StartInfo = new ProcessStartInfo("gcc", ["-g", "-nostartfiles", "-o", outputPath, ..objectFiles])
         {
             UseShellExecute = false,
             RedirectStandardOutput = true,

src/CLI/Runtime/entry.s

@@ -1,9 +1,12 @@
-.intel_Syntax noprefix
+.intel_syntax noprefix
 .extern main
 .section .text
 
 .global _start
 _start:
+    mov rdi, rsp
+    sub rsp, 8
+    mov [rsp], rdi
     mov rdi, rsp
     # func main(args: []^string): i64
     call main

src/CLI/Runtime/nub_memcpy.s

@@ -1,4 +1,4 @@
-.intel_Syntax noprefix
+.intel_syntax noprefix
 .section .text
 
 # func nub_memcpy(destination: ^u8, source: ^u8, count: u64): ^u8

src/CLI/Runtime/nub_memset.s

@@ -1,4 +1,4 @@
-.intel_Syntax noprefix
+.intel_syntax noprefix
 .section .text
 
 # func nub_memset(destination: ^u8, value: i8, count: u64): ^u8

src/CLI/Runtime/nub_panic.s

@@ -1,14 +1,19 @@
-.intel_Syntax noprefix
-.section .text
+.intel_syntax noprefix
 
-# func nub_panic(message: ^u8, message_length: u64): void
-.global nub_panic
-nub_panic:
-    mov rdx, rsi
-    mov rsi, rdi
-    mov rax, 1
-    mov rdi, 2
+.section .data
+.align 8
+array_out_of_bounds:
+    .ascii "Index is out of bounds of array\n"
+
+.section .text
+.global nub_panic_array_oob
+nub_panic_array_oob:
+    mov rax, 1                            # syscall = sys_write
+    mov rdi, 2                            # fd = stderr
+    lea rsi, [rip + array_out_of_bounds]  # message
+    mov rdx, 32                           # message length
     syscall
-    mov rax, 60
-    mov rdi, 101
+
+    mov rax, 60        # sys_exit
+    mov rdi, 101       # exit code
     syscall

src/CLI/Runtime/nub_strcmp.s

@@ -1,4 +1,4 @@
-.intel_Syntax noprefix
+.intel_syntax noprefix
 .section .text
 
 # func nub_strcmp(lhs: ^u8, rhs: ^u8): bool

src/Generation/QBE/QBEGenerator.cs

@@ -13,8 +13,6 @@ namespace Generation.QBE;
 
 public static class QBEGenerator
 {
-    private const string OutOfBoundsMessage = "Index is out of bounds\\n";
-
     private static CompilationUnit _compilationUnit = null!;
     private static DefinitionTable _definitionTable = null!;
 
@@ -65,12 +63,9 @@ public static class QBEGenerator
             _builder.AppendLine();
         }
 
-        _builder.AppendLine($"data $oob_message = {{ b \"{OutOfBoundsMessage}\" }}");
-
         for (var i = 0; i < _strings.Count; i++)
         {
-            var str = _strings[i];
-            _builder.AppendLine($"data $string{i + 1} = {{ b \"{str}\", b 0 }}");
+            _builder.AppendLine($"data $string{i + 1} = {{ b \"{_strings[i]}\", b 0 }}");
         }
 
         return _builder.ToString();
@@ -806,7 +801,7 @@ public static class QBEGenerator
         _builder.AppendLine($"    jnz {anyOobName}, {oobLabel}, {notOobLabel}");
 
         _builder.AppendLine(oobLabel);
-        _builder.AppendLine($"    call $nub_panic(l $oob_message, l {OutOfBoundsMessage.Length})");
+        _builder.AppendLine($"    call $nub_panic_array_oob()");
 
         _builder.AppendLine(notOobLabel);
     }
@@ -1146,7 +1141,6 @@ public static class QBEGenerator
         }
     }
 
-
     private static string GenerateStructInitializer(StructInitializerNode structInitializer)
     {
         var structDefinition = _definitionTable.LookupStruct(structInitializer.StructType.Namespace, structInitializer.StructType.Name).GetValue();