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Add more detail to cross references

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In the cross-reference table we now indicate whether the reference
source is doing a read, write, read-modify-write, branch, subroutine
call, is just referencing the address, or is part of the data.
This commit is contained in:
Andy McFadden
2019-04-11 16:23:02 -07:00
parent 84eceee085
commit 47b1363738
10 changed files with 303 additions and 95 deletions
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23
SourceGen/XrefSet.cs
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@@ -28,12 +28,16 @@ namespace SourceGen {
public class XrefSet : IEnumerable<XrefSet.Xref> {
/// <summary>
/// Reference type. This is mostly useful for display to the user.
///
/// The enum is in priority order, i.e. the lowest-valued
/// item "wins" in situations where only one value is used.
/// </summary>
public enum XrefType {
Unknown = 0,
InstrOperand, // generic instruction operand
BranchOperand, // branch instruction
DataOperand // e.g. ".dd2 <address>"
SubCallOp, // subroutine call
BranchOp, // branch instruction
RefFromData, // reference in data area, e.g. ".dd2 <address>"
MemAccessOp, // instruction that accesses memory, or refers to an address
}
/// <summary>
@@ -41,7 +45,7 @@ namespace SourceGen {
/// </summary>
public class Xref {
/// <summary>
/// Offset of start of instruction or data with the reference.
/// Offset of start of instruction or data that refers to the target offset.
/// </summary>
public int Offset { get; private set; }
@@ -55,22 +59,29 @@ namespace SourceGen {
/// </summary>
public XrefType Type { get; private set; }
/// <summary>
/// For Type==MemAccessOp, what type of memory access is performed.
/// </summary>
public Asm65.OpDef.MemoryEffect AccType { get; private set; }
/// <summary>
/// Adjustment to symbol. For example, "LDA label+2" adds an xref entry to
/// "label", with an adjustment of +2.
/// </summary>
public int Adjustment { get; private set; }
public Xref(int offset, bool isSymbolic, XrefType type, int adjustment) {
public Xref(int offset, bool isSymbolic, XrefType type,
Asm65.OpDef.MemoryEffect accType, int adjustment) {
Offset = offset;
IsSymbolic = isSymbolic;
Type = type;
AccType = accType;
Adjustment = adjustment;
}
public override string ToString() {
return "Xref off=+" + Offset.ToString("x6") + " sym=" + IsSymbolic +
" type=" + Type + " adj=" + Adjustment;
" type=" + Type + " accType= " + AccType + " adj=" + Adjustment;
}
}