runtime: remove gogetcallerpc and gogetcallersp functions

Package runtime's Go code was converted to directly call getcallerpc
and getcallersp in https://golang.org/cl/138740043, but the assembly
implementations were not removed.

Change-Id: Ib2eaee674d594cbbe799925aae648af782a01c83
Reviewed-on: https://go-review.googlesource.com/5901
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>

src/runtime/asm_386.s

@@ -858,12 +858,6 @@ TEXT runtime·getcallerpc(SB),NOSPLIT,$0-8
 	MOVL	AX, ret+4(FP)
 	RET
 
-TEXT runtime·gogetcallerpc(SB),NOSPLIT,$0-8
-	MOVL	p+0(FP),AX		// addr of first arg
-	MOVL	-4(AX),AX		// get calling pc
-	MOVL	AX, ret+4(FP)
-	RET
-
 TEXT runtime·setcallerpc(SB),NOSPLIT,$0-8
 	MOVL	argp+0(FP),AX		// addr of first arg
 	MOVL	pc+4(FP), BX
@@ -875,12 +869,6 @@ TEXT runtime·getcallersp(SB), NOSPLIT, $0-8
 	MOVL	AX, ret+4(FP)
 	RET
 
-// func gogetcallersp(p unsafe.Pointer) uintptr
-TEXT runtime·gogetcallersp(SB),NOSPLIT,$0-8
-	MOVL	p+0(FP),AX		// addr of first arg
-	MOVL	AX, ret+4(FP)
-	RET
-
 // func cputicks() int64
 TEXT runtime·cputicks(SB),NOSPLIT,$0-8
 	TESTL	$0x4000000, runtime·cpuid_edx(SB) // no sse2, no mfence

src/runtime/asm_amd64.s

@@ -855,12 +855,6 @@ TEXT runtime·getcallerpc(SB),NOSPLIT,$0-16
 	MOVQ	AX, ret+8(FP)
 	RET
 
-TEXT runtime·gogetcallerpc(SB),NOSPLIT,$0-16
-	MOVQ	p+0(FP),AX		// addr of first arg
-	MOVQ	-8(AX),AX		// get calling pc
-	MOVQ	AX,ret+8(FP)
-	RET
-
 TEXT runtime·setcallerpc(SB),NOSPLIT,$0-16
 	MOVQ	argp+0(FP),AX		// addr of first arg
 	MOVQ	pc+8(FP), BX
@@ -872,12 +866,6 @@ TEXT runtime·getcallersp(SB),NOSPLIT,$0-16
 	MOVQ	AX, ret+8(FP)
 	RET
 
-// func gogetcallersp(p unsafe.Pointer) uintptr
-TEXT runtime·gogetcallersp(SB),NOSPLIT,$0-16
-	MOVQ	p+0(FP),AX		// addr of first arg
-	MOVQ	AX, ret+8(FP)
-	RET
-
 // func cputicks() int64
 TEXT runtime·cputicks(SB),NOSPLIT,$0-0
 	CMPB	runtime·lfenceBeforeRdtsc(SB), $1

src/runtime/asm_amd64p32.s

@@ -611,12 +611,6 @@ TEXT runtime·getcallerpc(SB),NOSPLIT,$0-12
 	MOVL	AX, ret+8(FP)
 	RET
 
-TEXT runtime·gogetcallerpc(SB),NOSPLIT,$0-12
-	MOVL	p+0(FP),AX		// addr of first arg
-	MOVL	-8(AX),AX		// get calling pc
-	MOVL	AX, ret+8(FP)
-	RET
-
 TEXT runtime·setcallerpc(SB),NOSPLIT,$0-8
 	MOVL	argp+0(FP),AX		// addr of first arg
 	MOVL	pc+4(FP), BX		// pc to set
@@ -628,12 +622,6 @@ TEXT runtime·getcallersp(SB),NOSPLIT,$0-12
 	MOVL	AX, ret+8(FP)
 	RET
 
-// func gogetcallersp(p unsafe.Pointer) uintptr
-TEXT runtime·gogetcallersp(SB),NOSPLIT,$0-12
-	MOVL	p+0(FP),AX		// addr of first arg
-	MOVL	AX, ret+8(FP)
-	RET
-
 // int64 runtime·cputicks(void)
 TEXT runtime·cputicks(SB),NOSPLIT,$0-0
 	RDTSC

src/runtime/asm_arm.s

@@ -650,10 +650,6 @@ TEXT runtime·getcallerpc(SB),NOSPLIT,$-4-8
 	MOVW	R0, ret+4(FP)
 	RET
 
-TEXT runtime·gogetcallerpc(SB),NOSPLIT,$-4-8
-	MOVW	R14, ret+4(FP)
-	RET
-
 TEXT runtime·setcallerpc(SB),NOSPLIT,$-4-8
 	MOVW	pc+4(FP), R0
 	MOVW	R0, 0(R13)
@@ -665,13 +661,6 @@ TEXT runtime·getcallersp(SB),NOSPLIT,$-4-8
 	MOVW	R0, ret+4(FP)
 	RET
 
-// func gogetcallersp(p unsafe.Pointer) uintptr
-TEXT runtime·gogetcallersp(SB),NOSPLIT,$-4-8
-	MOVW	addr+0(FP), R0
-	MOVW	$-4(R0), R0
-	MOVW	R0, ret+4(FP)
-	RET
-
 TEXT runtime·emptyfunc(SB),0,$0-0
 	RET
 

src/runtime/asm_ppc64x.s

@@ -858,11 +858,6 @@ TEXT runtime·getcallerpc(SB),NOSPLIT,$-8-16
 	MOVD	R3, ret+8(FP)
 	RETURN
 
-TEXT runtime·gogetcallerpc(SB),NOSPLIT,$-8-16
-	MOVD	0(R1), R3
-	MOVD	R3,ret+8(FP)
-	RETURN
-
 TEXT runtime·setcallerpc(SB),NOSPLIT,$-8-16
 	MOVD	pc+8(FP), R3
 	MOVD	R3, 0(R1)		// set calling pc
@@ -874,13 +869,6 @@ TEXT runtime·getcallersp(SB),NOSPLIT,$0-16
 	MOVD	R3, ret+8(FP)
 	RETURN
 
-// func gogetcallersp(p unsafe.Pointer) uintptr
-TEXT runtime·gogetcallersp(SB),NOSPLIT,$0-16
-	MOVD	sp+0(FP), R3
-	SUB	$8, R3
-	MOVD	R3,ret+8(FP)
-	RETURN
-
 TEXT runtime·abort(SB),NOSPLIT,$-8-0
 	MOVW	(R0), R0
 	UNDEF