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runtime: sigctxt.r9 returns the wrong register in signal_netbsd_amd64.go #59152

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Relect opened this issue Mar 20, 2023 · 2 comments
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runtime: sigctxt.r9 returns the wrong register in signal_netbsd_amd64.go #59152

Relect opened this issue Mar 20, 2023 · 2 comments
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@tklauser
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Go1.21

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@Relect
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Relect commented Mar 20, 2023

go/src/runtime/signal_netbsd_amd64.go

Line 29 in da46879

func (c *sigctxt) r9() uint64 { return c.regs().__gregs[_REG_R8] }

@seankhliao seankhliao closed this as not planned Won't fix, can't repro, duplicate, stale Mar 20, 2023
@ianlancetaylor
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It's not clearly expressed, but there is a bug here.

@ianlancetaylor ianlancetaylor changed the title error reg runtime: sigctxt.r9 returns the wrong register in signal_netbsd_amd64.go Mar 20, 2023
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Mar 20, 2023
@ianlancetaylor ianlancetaylor mentioned this issue Mar 20, 2023
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@gopherbot
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Change https://go.dev/cl/478135 mentions this issue: runtime: let (*sigctxt).r9 return the correct register value on netbsd

@heschi heschi added the NeedsFix The path to resolution is known, but the work has not been done. label Mar 21, 2023
@heschi heschi added this to the Go1.21 milestone Mar 21, 2023
@tklauser tklauser self-assigned this Mar 21, 2023
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Go1.21
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@tklauser @ianlancetaylor @gopherbot @seankhliao @heschi @Relect