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Re: Instance variables overwritten by other assignments
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From: |
Patryk Laurent |
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Subject: |
Re: Instance variables overwritten by other assignments |
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Date: |
Wed, 25 Dec 2019 17:32:08 -0800 |
Hi David,
> On Dec 25, 2019, at 01:19, David Chisnall <address@hidden> wrote:
>
> Hi,
>
> This sounds like the issue with the Linux run-time linker and the 1.x
> non-fragile ABI. This can be fixed by either:
>
> 1. Using pretty much any non-Linux OS, or
> 2. Using the 2.0 ABI and clang 8.0 or later.
>
Brilliant — that did it, thank you! Everything is running smoothly and snappily
on Aarch64 with clang9 and the 2.0 runtime.
Patryk
>
>> On 25 Dec 2019, at 04:02, Patryk Laurent <address@hidden> wrote:
>>
>> Hi,
>>
>> At Gorm startup I am seeing a problem where Boolean assignments in
>> -initDefaults are somehow overwriting memory for NSTableView.m’s
>> _numberOfColumns instance variable. See the output of debug print
>> statements below.
>>
>> Does anyone know why this might be happening — and how to fix it?
>>
>> This is under clang-6.0 on Aarch64.
>>
>> Thank you,
>> Patryk
>>
>> GNUstep-build/apps-gorm/Gorm.app$ ./Gorm
>> 2019-12-25 03:51:47.959 Gorm[4257:4257] Bad palette selection - -1
>> 2019-12-25 03:51:48.002 Gorm[4257:4257] Bad palette selection - -1
>> 2019-12-25 03:51:48.267 Gorm[4257:4257] Bad palette selection - -1
>> 2019-12-25 03:51:48.314 Gorm[4257:4257] NSTableview.m:2012: _isValidating
>> = NO; // _numberOfColumns is 0
>> 2019-12-25 03:51:48.315 Gorm[4257:4257] NSTableview.m:2013: _drawsGrid
>> = YES; // _numberOfColumns is 0
>> 2019-12-25 03:51:48.315 Gorm[4257:4257] NSTableview.m:2014: _rowHeight
>> = 16.0; // _numberOfColumns is 0
>> 2019-12-25 03:51:48.315 Gorm[4257:4257] NSTableview.m:2015:
>> _intercellSpacing = NSMakeSize (5.0, 2.0); // _numberOfColumns is 0
>> 2019-12-25 03:51:48.316 Gorm[4257:4257] NSTableview.m:2016;
>> ASSIGN(_selectedColumns, [NSMutableIndexSet indexSet]); // _numberOfColumns
>> is 0
>> 2019-12-25 03:51:48.316 Gorm[4257:4257] NSTableview.m:2018:
>> _allowsEmptySelection = YES; // _numberOfColumns is 256
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2019:
>> _allowsMultipleSelection = NO; // _numberOfColumns is 256
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2020:
>> _allowsColumnSelection = YES; // _numberOfColumns is 65792
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2021:
>> _allowsColumnResizing = YES; // _numberOfColumns is 16843008
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2022:
>> _allowsColumnReordering = YES; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2023: //
>> _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2024;
>> _selectingColumns = NO; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.317 Gorm[4257:4257] NSTableview.m:2025:
>> _verticalMotionDrag = NO; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.318 Gorm[4257:4257] NSTableview.m:2026:_editedColumn =
>> -1; _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.318 Gorm[4257:4257] NSTableview.m:2027: _editedRow = -1;
>> // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.318 Gorm[4257:4257] NSTableview.m:2028: _clickedRow =
>> -1; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.318 Gorm[4257:4257] NSTableview.m:2029: _clickedColumn =
>> -1; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.318 Gorm[4257:4257] NSTableview.m:2030: _selectedColumn
>> = -1; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.318 Gorm[4257:4257] NSTableview.m:2031: _selectedRow =
>> -1; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.319 Gorm[4257:4257] NSTableview.m:2032:
>> _highlightedTableColumn = nil; // _numberOfColumns is 4311810304
>> 2019-12-25 03:51:48.319 Gorm[4257:4257] NSTableview.m:2036:
>> ASSIGN(_sortDescriptors, [NSArray array]); // _numberOfColumns is 4311810304
>> Segmentation fault
>>
>