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Add GetStaticAddressFromSig

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This commit is contained in:
attickdoor 2020-03-13 23:31:11 -04:00
parent da8c66c394
commit 39e196ddbb
2 changed files with 25 additions and 3 deletions
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4
Dalamud/Game/ClientState/ClientStateAddressResolver.cs
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@ -13,9 +13,9 @@ namespace Dalamud.Game.ClientState
public IntPtr JobGaugeData { get; set; }
protected override void Setup64Bit(SigScanner sig) {
ActorTable = sig.Module.BaseAddress + 0x1C62198; // updated 5.21
ActorTable = sig.GetStaticAddressFromSig("F3 0F 11 05 ?? ?? ?? ?? EB 27", 0) + 0xC;
LocalContentId = sig.Module.BaseAddress + 0x1C2E000;
JobGaugeData = sig.Module.BaseAddress + 0x1C5E420;
JobGaugeData = sig.GetStaticAddressFromSig("E8 ?? ?? ?? ?? 80 BB ?? ?? ?? ?? ?? 77 93", 0x220) + 0x10;
}
}
}

24
Dalamud/Game/SigScanner.cs
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@ -166,7 +166,7 @@ namespace Dalamud.Game {
/// Helper for ScanText to get the correct address for
/// IDA sigs that mark the first CALL location.
/// </summary>
/// <param name="sigLocation">The address the CALL sig resolved to.</param>
/// <param name="SigLocation">The address the CALL sig resolved to.</param>
/// <returns>The real offset of the signature.</returns>
private IntPtr ReadCallSig(IntPtr SigLocation)
{
@ -174,6 +174,28 @@ namespace Dalamud.Game {
return IntPtr.Add(SigLocation, 5 + jumpOffset);
}
/// <summary>
/// Scan for a .data address using a .text function.
/// This is intended to be used with IDA sigs.
/// Place your cursor on the line calling a static address, and create and IDA sig.
/// </summary>
/// <param name="signature">The signature of the function using the data.</param>
/// <param name="offset">The offset from function start of the instruction using the data.</param>
/// <returns>An IntPtr to the static memory location.</returns>
public IntPtr GetStaticAddressFromSig(string signature, int offset)
{
IntPtr instrAddr = ScanText(signature);
instrAddr = IntPtr.Add(instrAddr, offset + 1);
long bAddr = (long)Module.BaseAddress;
var num = (long)Marshal.ReadInt32(instrAddr) + (long)instrAddr + 4 - bAddr;
while(! (num >= DataSectionOffset && num <= DataSectionOffset + DataSectionSize))
{
instrAddr= IntPtr.Add(instrAddr, 1);
num = Marshal.ReadInt32(instrAddr) + (long)instrAddr + 4 - bAddr;
}
return IntPtr.Add(instrAddr, Marshal.ReadInt32(instrAddr) + 4);
}
/// <summary>
/// Scan for a byte signature in the .data section.
/// </summary>