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[lldb] Add an extra optional did_read_live_memory to Target::ReadMemory

Target::ReadMemory may or may not read live memory, but whether it did
read from live memory or from the filecache is opaque to callers. Add an
extra out parameter to indicate whether live memory was read or not.


[lldb] Implement LLDBMemoryReader::readRemoteAddressImpl

Use the new out parameter on Target::ReadMemory to set the correct
remote address space in readRemoteAddressImpl.

rdar://148361743

@augusto2112 augusto2112 requested a review from a team as a code owner July 17, 2025 04:31
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swiftlang/swift#83122
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swiftlang/swift#83122
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00:28:49  Failed Tests (1):
00:28:49    lldb-unit :: Expression/./ExpressionTests/DWARFExpressionMockProcessTest/DW_OP_piece_file_addr

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swiftlang/swift#83122
@swift-ci test

Target::ReadMemory may or may not read live memory, but whether it did
read from live memory or from the filecache is opaque to callers. Add an
extra out parameter to indicate whether live memory was read or not.
Use the new out parameter on Target::ReadMemory to set the correct
remote address space in readRemoteAddressImpl.

rdar://148361743
@augusto2112 augusto2112 force-pushed the fix-read-remote-address branch from 9cf59f4 to b7ac8fd Compare July 17, 2025 15:21
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swiftlang/swift#83122
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@augusto2112 augusto2112 requested a review from jasonmolenda July 17, 2025 18:09
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Target:ReadMemory API changes look good, makes sense why you need this.

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@medismailben medismailben left a comment

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LGTM with comments.

@augusto2112 augusto2112 merged commit bba436f into swiftlang:stable/20240723 Jul 18, 2025
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4 participants