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| author | liu-xuewen <liiuxuewen@gmail.com> | 2022-11-05 07:40:49 +0000 |
|---|---|---|
| committer | Keith Randall <khr@google.com> | 2023-01-20 04:55:48 +0000 |
| commit | 57236fe9f72c7dae447f07899e9b5b3bcd06f2af (patch) | |
| tree | 3009547e6f38d2246819cab276e79ed4d902c924 /src/runtime | |
| parent | 12befc3ce3f44d500174d2b4a0aa524feb74e16b (diff) | |
| download | go-57236fe9f72c7dae447f07899e9b5b3bcd06f2af.tar.xz | |
runtime: remove 104 byte stack guard
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: bcf900059047548c1709c6d4cf4649a96ad85e57
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>
Diffstat (limited to 'src/runtime')
| -rw-r--r-- | src/runtime/asm_amd64.s | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/asm_amd64.s b/src/runtime/asm_amd64.s index 13c8de499e..5d163da132 100644 --- a/src/runtime/asm_amd64.s +++ b/src/runtime/asm_amd64.s @@ -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) |