pkgsrc-ng/lang/ocaml/patches/patch-asmcomp_power_emit.mlp
2013-09-26 17:14:40 +02:00

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$NetBSD: patch-asmcomp_power_emit.mlp,v 1.1 2012/10/08 15:05:32 jaapb Exp $
Add profiling to power architecture
--- asmcomp/power/emit.mlp.orig 2012-09-11 13:17:13.000000000 +0000
+++ asmcomp/power/emit.mlp
@@ -828,6 +828,30 @@ let rec emit_all i =
emit_instr i None;
emit_all i.next
+(* Emission of the profiling prelude *)
+
+let emit_profile () =
+ match Config.system with
+ "bsd" ->
+ ` stwu 1, -32(1)\n`;
+ ` mflr 0\n`;
+ ` stw 0, 4(1)\n`;
+ ` stw 2, 8(1)\n`;
+ ` stw 3, 12(1)\n`;
+ ` stw 4, 16(1)\n`;
+ ` stw 5, 20(1)\n`;
+ ` stw 6, 24(1)\n`;
+ ` stw 7, 28(1)\n`;
+ ` bl {emit_symbol "_mcount"}\n`;
+ ` lwz 2, 8(1)\n`;
+ ` lwz 3, 12(1)\n`;
+ ` lwz 4, 16(1)\n`;
+ ` lwz 5, 20(1)\n`;
+ ` lwz 6, 24(1)\n`;
+ ` lwz 7, 28(1)\n`;
+ ` addic 1, 1, 32\n`;
+ | _ -> () (*unsupported yet*)
+
(* Emission of a function declaration *)
let fundecl fundecl =