| commit | 4d82342a65b661b6aa164bcf88affebe5177914a | [log] [tgz] |
|---|---|---|
| author | Roland McGrath <mcgrathr@fuchsia.infra.roller.google.com> | Thu Apr 04 18:52:34 2024 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Thu Apr 04 11:54:12 2024 -0700 |
| tree | 7b0f6d0088a6e00d6afd169ce07c2bf15e46ec6d | |
| parent | 96b8095e24040892912c26cb4ec0519d66ae2f08 [diff] |
[roll] Roll fuchsia [ld] Use RemoteDecodedModule as const This is a reland of commit 6a36af92ea293d9605c7014730d9d266be77f2a5 with fixes to elfldltl::SegmentWithVmo::AlignSegments for the partial-page bss zeroing case. This case was previously not tested explicitly and only got tested by happenstance on the coverage and profile builds. A preceding change adds the partial-page-bss test case to explicitly test this case in all builds. This uncovered a bug in the AlignSegments function's new support for dropping the ZX_VMO_RIGHT_WRITE right from the per-segment VMO handles. It was wrongly presuming too many handle rights would be present on the zx_vmo_create_child handle. In fact, the handles for freshly creaeted child VMOs have a set of rights that depends on the handle rights of the parent VMO, in this case the file VMO from the filesystem. The filesystem doesn't yield VMO handles with all the rights in ZX_DEFAULT_VMO_RIGHTS. Original change's description: > [ld] Use RemoteDecodedModule as const > > This completes pure refactoring part of separating the > ld::RemoteDecodedModule and ld::RemoteLoadModule objects. The > RemoteLoadModule still creates and owns the RemoteDecodedModule > object, but after decoding it's used only via a const pointer. > > Original-Bug: 326524302 > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1004913 Original-Bug: 326524302 Cq-Include-Trybots: luci.turquoise.global.try:run-postsubmit-tryjobs Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1011932 Original-Revision: abaca8f305824aa1ccfca644a3decb2ace8147c1 GitOrigin-RevId: 47d73348034d5536fc68794809cd8a205f0aac0d Change-Id: I4bfbcc2d705a7f098b072248c496a4593d2f58e5
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