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cmd/compile: GOEXPERIMENT=framepointer for darwin/arm64 #12100

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crawshaw opened this issue Aug 10, 2015 · 5 comments
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cmd/compile: GOEXPERIMENT=framepointer for darwin/arm64 #12100

crawshaw opened this issue Aug 10, 2015 · 5 comments
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Go1.11

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@crawshaw
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The iOS ABI calls for maintaining a valid framepointer:

https://developer.apple.com/library/ios/documentation/Xcode/Conceptual/iPhoneOSABIReference/iPhoneOSABIReference.pdf

The Xcode-integrated lldb expects this to be set, so without it debugging problems where the runtime cannot unwind the stack is difficult. We have framepointer support for amd64 in cmd/compile to use as a guide.
@crawshaw crawshaw self-assigned this Aug 10, 2015
@crawshaw crawshaw added this to the Go1.6 milestone Aug 10, 2015
@rsc rsc modified the milestones: Unplanned, Go1.6 Nov 4, 2015
@williamweixiao
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hi, i'm enabling FP for arm64 and it's almost ready for linux os. But i don't have darwin os. Could you please provide me the environment for debugging it?

@eliasnaur
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Dup of #10110 ?

@ianlancetaylor
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Looks like a dup to me. @crawshaw @4ad Want to pick one?

@gopherbot
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Change https://golang.org/cl/61511 mentions this issue: build: support frame-pointer for arm64

@bradfitz bradfitz modified the milestones: Unplanned, Go1.11 Dec 4, 2017
@ianlancetaylor
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Closing as dup.

@golang golang locked and limited conversation to collaborators Jun 30, 2019
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@bradfitz @rsc @crawshaw @eliasnaur @ianlancetaylor @gopherbot @williamweixiao