runtime/cgo: fix signature of crosscall_amd64 in comment

In CL 289192, crosscall_amd64() was changed to recieve 3
arguments, but the comment was not updated.

Change-Id: Iba36c27aa5189e50f3fcc2a50291fecb2ef722c1
GitHub-Last-Rev: e7c041f00c
GitHub-Pull-Request: golang/go#49539
Reviewed-on: https://go-review.googlesource.com/c/go/+/363442
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
MoZhonghua 2021-11-12 08:08:25 +00:00 committed by Ian Lance Taylor
parent dc5a8f9647
commit c948823cb7

View File

@ -12,7 +12,7 @@
#endif
/*
* void crosscall_amd64(void (*fn)(void))
* void crosscall_amd64(void (*fn)(void), void (*setg_gcc)(void*), void *g)
*
* Calling into the 6c tool chain, where all registers are caller save.
* Called from standard x86-64 ABI, where %rbx, %rbp, %r12-%r15