qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-09-29 13:24:28 -06:00
Code Releases Activity

runtime: remove 104 byte stack guard

Browse Source 
The number 104 appears to date back to the
first implementation of split stacks in
https://go.googlesource.com/go/+/b987f7a757f53f460973622a36eebb696f9b5060.
That change introduces a 104 byte stack guard.
it doesn't makes any sense today.

Change-Id: I73069f6d1a827653af63e616f0119fbac809882e
GitHub-Last-Rev: bcf9000590
GitHub-Pull-Request: golang/go#56594
Reviewed-on: https://go-review.googlesource.com/c/go/+/448036
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
This commit is contained in:
liu-xuewen 2022-11-05 07:40:49 +00:00 committed by Keith Randall
parent 12befc3ce3
commit 57236fe9f7
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/runtime/asm_amd64.s
View File

@ -168,7 +168,7 @@ TEXT runtime·rt0_go(SB),NOSPLIT|TOPFRAME,$0
// create istack out of the given (operating system) stack.
// _cgo_init may update stackguard.
MOVQ $runtime·g0(SB), DI
LEAQ (-64*1024+104)(SP), BX
LEAQ (-64*1024)(SP), BX
MOVQ BX, g_stackguard0(DI)
MOVQ BX, g_stackguard1(DI)
MOVQ BX, (g_stack+stack_lo)(DI)