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runtime: fix dragonfly/amd64

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CL 69292 unified the amd64 entry-points, but Dragonfly doesn't follow
the same entry-point argument conventions as most other amd64
platforms. Fix the Dragonfly entry point.

Change-Id: I0f84e2e4101ce68217af185ee9baaf455b8b6dad
Reviewed-on: https://go-review.googlesource.com/70212
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Austin Clements 2017-10-11 21:51:30 -04:00 committed by Ian Lance Taylor
parent 67388e9866
commit 58c7b1d160
1 changed files with 4 additions and 1 deletions
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5
src/runtime/rt0_dragonfly_amd64.s
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@ -4,8 +4,11 @@
#include "textflag.h"
// On Dragonfly argc/argv are passed in DI, not SP, so we can't use _rt0_amd64.
TEXT _rt0_amd64_dragonfly(SB),NOSPLIT,$-8
JMP _rt0_amd64(SB)
LEAQ 8(DI), SI // argv
MOVQ 0(DI), DI // argc
JMP runtime·rt0_go(SB)
TEXT _rt0_amd64_dragonfly_lib(SB),NOSPLIT,$0
JMP _rt0_amd64_lib(SB)