-(* L2 compiler
+(* L3 compiler
* stringifier
* turns a list of x86 insns into the assembly code to generate them
* Author: Chris Lu <czl@andrew.cmu.edu>
signature STRINGIFY =
sig
- type asm = x86.insn list
- val stringify : asm -> string
+ type asm = Blarg.insn list
+ val stringify : (string -> string) -> asm -> string
end
structure Stringify :> STRINGIFY =
struct
- type asm = x86.insn list
- structure X = x86
+ type asm = Blarg.insn list
+ structure X = Blarg
(* val stringify : asm -> string
* turns a x86 instruction list into a string of assembly code for these instructions *)
- fun stringify' (X.MOVL (r1, r2)) = "\tmovl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.SUBL (r1, r2)) = "\tsubl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.IMUL (r1, r2)) = "\timul " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.IMUL3 (r1, r2, k)) = "\timul " ^ X.prettyprint_oper (X.CONST k) ^ ", " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.ADDL (r1, r2)) = "\taddl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.IDIVL (r1)) = "\tidivl " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.NEG (r1)) = "\tnegl " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.NOTL (r1)) = "\tnotl " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.RET) = "\tret\n"
- | stringify' (X.CLTD) = "\tcltd\n"
- | stringify' (X.SALL (r1, X.REG X.ECX)) = "\tsall %cl, " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.SALL (r1, X.CONST k)) = "\tsall " ^ X.prettyprint_operb (X.CONST k) ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.SALL _) = raise ErrorMsg.InternalError "Invalid operand generated for SALL"
- | stringify' (X.SARL (r1, X.REG X.ECX)) = "\tsarl %cl, " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.SARL (r1, X.CONST k)) = "\tsarl " ^ X.prettyprint_operb (X.CONST k) ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.SARL _) = raise ErrorMsg.InternalError "Invalid operand generated for SARL"
- | stringify' (X.ANDL (r1, r2)) = "\tandl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.ORL (r1, r2)) = "\torl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.XORL (r1, r2)) = "\txorl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.CMPL (r1, r2)) = "\tcmpl " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.TEST (r1, r2)) = "\ttest " ^ X.prettyprint_oper r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.SETNE (r1)) = "\tsetne " ^ X.prettyprint_operb r1 ^ "\n"
- | stringify' (X.SETE (r1)) = "\tsete " ^ X.prettyprint_operb r1 ^ "\n"
- | stringify' (X.SETLE (r1)) = "\tsetle " ^ X.prettyprint_operb r1 ^ "\n"
- | stringify' (X.SETL (r1)) = "\tsetl " ^ X.prettyprint_operb r1 ^ "\n"
- | stringify' (X.SETGE (r1)) = "\tsetge " ^ X.prettyprint_operb r1 ^ "\n"
- | stringify' (X.SETG (r1)) = "\tsetg " ^ X.prettyprint_operb r1 ^ "\n"
- | stringify' (X.MOVZBL (r1, r2)) = "\tmovzbl " ^ X.prettyprint_operb r2 ^ ", " ^ X.prettyprint_oper r1 ^ "\n"
- | stringify' (X.DIRECTIVE(s)) = s ^ "\n"
- | stringify' (X.COMMENT(s)) = "\t// " ^ s ^ "\n"
- | stringify' (X.LABEL l) = Label.name l ^ ":\n"
- | stringify' (X.JMP l) = "\tjmp " ^ Label.name l ^ "\n"
- | stringify' (X.JE l) = "\tje " ^ Label.name l ^ "\n"
- | stringify' (X.JNE l) = "\tjne " ^ Label.name l ^ "\n"
+ fun (*stringify' rn (X.CALL (l, n)) = X.print (X.CALL ((Symbol.symbol (rn (Symbol.name l))), n))
+ | *)stringify' rn x = X.print x
(* val stringify : asm -> string *)
- fun stringify l = foldr (fn (a,b) => (stringify' a) ^ b) ("") l
+ fun stringify realname l = String.concat (List.map (stringify' realname) l)
end