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diff --git a/src/runtime/rt0_nacl_amd64p32.s b/src/runtime/rt0_nacl_amd64p32.s
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+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+// NaCl entry on 32-bit x86 has DI pointing at the arg block, which contains:
+//
+// 0(DI) - cleanup function pointer, always 0
+// 4(DI) - envc
+// 8(DI) - argc
+// 12(DI) - argv, then 0, then envv, then 0, then auxv
+// NaCl entry here is almost the same, except that there
+// is no saved caller PC, so 0(FP) is -8(FP) and so on.
+TEXT _rt0_amd64p32_nacl(SB),NOSPLIT,$16
+ MOVL DI, 0(SP)
+ CALL runtime·nacl_sysinfo(SB)
+ MOVL 0(SP), DI
+ MOVL 8(DI), AX
+ LEAL 12(DI), BX
+ MOVL AX, 0(SP)
+ MOVL BX, 4(SP)
+ CALL main(SB)
+ INT $3
+
+TEXT main(SB),NOSPLIT,$0
+ // Uncomment for fake time like on Go Playground.
+ //MOVQ $1257894000000000000, AX
+ //MOVQ AX, runtime·faketime(SB)
+ JMP runtime·rt0_go(SB)