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runtime: fix vet complaints for js/wasm

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Change-Id: Ifc8a731a2efd94fdc4fc6f26ca6e16f0c0292211
Reviewed-on: https://go-review.googlesource.com/c/go/+/176178
Reviewed-by: Austin Clements <austin@google.com>
This commit is contained in:
Russ Cox 2019-05-09 09:51:17 -04:00
parent 56c1cf315d
commit a4f5c9c40d
2 changed files with 2 additions and 12 deletions
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11
src/cmd/vet/all/whitelist/wasm.txt
View File

@ -1,11 +0,0 @@
// wasm-specific vet whitelist. See readme.txt for details.
// False positives.
// morestack intentionally omits arg size.
runtime/asm_wasm.s: [wasm] morestack: use of 8(SP) points beyond argument frame
runtime/asm_wasm.s: [wasm] morestack: use of 16(SP) points beyond argument frame
runtime/asm_wasm.s: [wasm] morestack: use of 8(SP) points beyond argument frame
// rt0_go does not allocate a stack frame.
runtime/asm_wasm.s: [wasm] rt0_go: use of 8(SP) points beyond argument frame

3
src/runtime/asm_wasm.s
View File

@ -7,7 +7,7 @@
#include "funcdata.h"
#include "textflag.h"
TEXT runtime·rt0_go(SB), NOSPLIT, $0
TEXT runtime·rt0_go(SB), NOSPLIT|NOFRAME, $0
// save m->g0 = g0
MOVD $runtime·g0(SB), runtime·m0+m_g0(SB)
// save m0 to g0->m
@ -258,6 +258,7 @@ TEXT runtime·morestack(SB), NOSPLIT, $0-0
// Called from f.
// Set m->morebuf to f's caller.
NOP SP // tell vet SP changed - stop checking offsets
MOVD 8(SP), m_morebuf+gobuf_pc(R1)
MOVD $16(SP), m_morebuf+gobuf_sp(R1) // f's caller's SP
MOVD g, m_morebuf+gobuf_g(R1)