go/call_amd64.s at 4be7af23f97fe8d1b4210acde6789cf621564ec6 - go - Tape:neT

qbit/go

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Wedson Almeida Filho 13c829e5f6 cmd/internal/obj/x86: On amd64, relocation type for and indirect call is pc-relative.

With this change, the code in bug #15609 compiles and runs properly:

0000000000401070 <main.jump>:
  401070:	ff 15 aa 7e 06 00    	callq  *0x67eaa(%rip)        # 468f20 <main.pointer>
  401076:	c3                   	retq

0000000000468f20 g     O .rodata	0000000000000008 main.pointer

Fixes #15609

Change-Id: Iebb4d5a9f9fff335b693f4efcc97882fe04eefd7
Reviewed-on: https://go-review.googlesource.com/22950
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>

2016-10-09 19:50:09 +00:00

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157 B

ArmAsm

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 #include "textflag.h"
 DATA ·pointer(SB)/8, $·target(SB)
 GLOBL ·pointer(SB),RODATA,$8
 TEXT ·jump(SB),NOSPLIT,$8
         CALL *·pointer(SB)
         RET