arm64: Add unwind information to _start
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Authored by dchagin on Fri, May 26, 8:40 AM.

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Subscribers

andrew

emaste

imp

Details

Reviewers

None

Group Reviewers

arm64

Summary

Create an initial frame with 0 lr and fp.
Procedure Call Standard for the ARM 64-bit Architecture (AArch64)
specifies that the end of the frame record chain is indicated by
the address zero in the address for the previous frame.

This is necessary to complete fixing the libunwind for Aarch64.

MFC after: 1 month

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Passed

Unit

No Test Coverage

Build Status

Buildable 51699
Build 48590: arc lint + arc unit

Event Timeline

dchagin created this revision.Fri, May 26, 8:40 AM

Herald added subscribers: emaste, andrew, imp. · View Herald TranscriptFri, May 26, 8:40 AM

dchagin requested review of this revision.Fri, May 26, 8:40 AM

Harbormaster completed remote builds in B51699: Diff 122453.Fri, May 26, 8:40 AM

dchagin added a reviewer: arm64.Fri, May 26, 8:42 AM

dchagin added a project: arm64.

Revision Contents
Changeset List

Path

Size

lib/

csu/

aarch64/

crt1_s.S

3 lines

Diff 122453

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arm64: Add unwind information to _startNeeds ReviewPublicActions