code review 129510043: runtime: convert Stack to Go.

src/pkg/runtime/asm_386.s

 // Copyright 2009 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 "zasm_GOOS_GOARCH.h"
 #include "funcdata.h"
 #include "../../cmd/ld/textflag.h"
 
 TEXT _rt0_go(SB),NOSPLIT,$0
         // copy arguments forward on an even stack
@@ skipping 844 matching lines @@
         MOVL    x+4(FP), BX
         MOVL    BX, -4(AX)              // set calling pc
         RET
 
 TEXT runtime·getcallersp(SB), NOSPLIT, $0-4
         MOVL    sp+0(FP), AX
         RET
 
 // func gogetcallersp(p unsafe.Pointer) uintptr
 TEXT runtime·gogetcallersp(SB),NOSPLIT,$0-8
-        MOVL    sp+0(FP),AX             // addr of first arg
+        MOVL    p+0(FP),AX              // addr of first arg
         MOVL    AX, ret+4(FP)
         RET
 
 // int64 runtime·cputicks(void), so really
 // void runtime·cputicks(int64 *ticks)
 TEXT runtime·cputicks(SB),NOSPLIT,$0-4
         RDTSC
         MOVL    ret+0(FP), DI
         MOVL    AX, 0(DI)
         MOVL    DX, 4(DI)
@@ skipping 1397 matching lines @@
         MOVL    g(CX), AX
         MOVL    g_m(AX), AX
         MOVL    m_fastrand(AX), DX
         ADDL    DX, DX
         MOVL    DX, BX
         XORL    $0x88888eef, DX
         CMOVLMI BX, DX
         MOVL    DX, m_fastrand(AX)
         MOVL    DX, ret+0(FP)
         RET