updating base with stuff missing from metagens's base (was in the regular base of raddbg)

code/base/toolchain.h

@@ -15,6 +15,15 @@ typedef enum OperatingSystem
 }
 OperatingSystem;
 
+typedef enum ImageType
+{
+  Image_Null,
+  Image_CoffPe,
+  Image_Elf32,
+  Image_Elf64,
+  Image_Macho
+} ImageType;
+
 typedef enum Architecture
 {
 	Architecture_Null,
@@ -35,3 +44,13 @@ typedef enum Compiler
 	Compiler_COUNT,
 }
 Compiler;
+
+////////////////////////////////
+//~ rjf: Toolchain/Environment Enum Functions
+
+internal U64 bit_size_from_arch(Arch arch);
+internal U64 max_instruction_size_from_arch(Arch arch);
+
+internal OperatingSystem operating_system_from_context(void);
+internal Arch arch_from_context(void);
+internal Compiler compiler_from_context(void);