SabreTools/BinaryObjectScanner
1
0
Fork 0
mirror of https://github.com/SabreTools/BinaryObjectScanner.git synced 2026-04-23 22:55:05 +00:00
Code Issues 295 Packages Projects Releases 20 Wiki Activity

Add LE/LX FRT source offset/count

Browse Source
This commit is contained in:
Matt Nadareski
2022-11-04 16:59:29 -07:00
parent 65efda1a7a
commit 03926754e7
1 changed files with 54 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
BurnOutSharp.Models/LinearExecutable/FixupRecordTableEntry.cs
View File

@@ -13,7 +13,7 @@ namespace BurnOutSharp.Models.LinearExecutable
/// </summary>
/// <see href="https://faydoc.tripod.com/formats/exe-LE.htm"/>
/// <see href="http://www.edm2.com/index.php/LX_-_Linear_eXecutable_Module_Format_Description"/>
[StructLayout(LayoutKind.Sequential)]
[StructLayout(LayoutKind.Explicit)]
public class FixupRecordTableEntry
{
/// <summary>
@@ -23,7 +23,7 @@ namespace BurnOutSharp.Models.LinearExecutable
/// The source type specifies the size and type of the fixup to be performed
/// on the fixup source.
/// </remarks>
public FixupRecordSourceType SourceType;
[FieldOffset(0)] public FixupRecordSourceType SourceType;
/// <summary>
/// Target Flags.
@@ -31,9 +31,58 @@ namespace BurnOutSharp.Models.LinearExecutable
/// <remarks>
/// The target flags specify how the target information is interpreted.
/// </remarks>
public FixupRecordTargetFlags TargetFlags;
[FieldOffset(1)] public FixupRecordTargetFlags TargetFlags;
// TODO: The shape of the data relies on the source and flags from here
// SRCOFF = DW/CNT = DB Source offset or source offset list count.
#region Source List Flag Set
/// <summary>
/// Source offset.
/// </summary>
/// <remarks>
/// This field contains either an offset or a count depending on the Source
/// List Flag. If the Source List Flag is set, a list of source offsets
/// follows the additive field and this field contains the count of the
/// entries in the source offset list. Otherwise, this is the single source
/// offset for the fixup. Source offsets are relative to the beginning of
/// the page where the fixup is to be made.
///
/// Note that for fixups that cross page boundaries, a separate fixup record
/// is specified for each page. An offset is still used for the 2nd page but
/// it now becomes a negative offset since the fixup originated on the
/// preceding page. (For example, if only the last one byte of a 32-bit
/// address is on the page to be fixed up, then the offset would have a value
/// of -3.)
/// </remarks>
[FieldOffset(2)] public ushort SourceOffset;
// TODO: Field offsets branch out from here based on other flags
#endregion
#region Source List Flag Unset
/// <summary>
/// Source offset list count.
/// </summary>
/// <remarks>
/// This field contains either an offset or a count depending on the Source
/// List Flag. If the Source List Flag is set, a list of source offsets
/// follows the additive field and this field contains the count of the
/// entries in the source offset list. Otherwise, this is the single source
/// offset for the fixup. Source offsets are relative to the beginning of
/// the page where the fixup is to be made.
///
/// Note that for fixups that cross page boundaries, a separate fixup record
/// is specified for each page. An offset is still used for the 2nd page but
/// it now becomes a negative offset since the fixup originated on the
/// preceding page. (For example, if only the last one byte of a 32-bit
/// address is on the page to be fixed up, then the offset would have a value
/// of -3.)
/// </remarks>
[FieldOffset(2)] public byte SourceOffsetListCount;
// TODO: Field offsets branch out from here based on other flags
#endregion
}
}