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Allow access to code memory for exefs mods (#5518)

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* Allow access to code memory for exefs mods

* Add ASLR workaround for Skyline

* Hardcode allowCodeMemoryForJit to true
This commit is contained in:
TSRBerry 2023-08-09 23:27:45 +02:00 • committed by GitHub
parent 773e239db7
commit 5e9678c8fa
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 63 additions and 17 deletions
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5
src/Ryujinx.HLE/Loaders/Processes/Extensions/FileSystemExtensions.cs
View file

@ -89,9 +89,6 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
Logger.Warning?.Print(LogClass.Ptc, "Detected unsupported ExeFs modifications. PTC disabled.");
}
// We allow it for nx-hbloader because it can be used to launch homebrew.
bool allowCodeMemoryForJit = programId == 0x010000000000100DUL || isHomebrew;
string programName = "";
if (!isHomebrew && programId > 0x010000000000FFFF)
@ -119,7 +116,7 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
metaLoader,
nacpData,
enablePtc,
allowCodeMemoryForJit,
true,
programName,
metaLoader.GetProgramId(),
null,

7
src/Ryujinx.HLE/Loaders/Processes/ProcessLoaderHelper.cs
View file

@ -28,6 +28,11 @@ namespace Ryujinx.HLE.Loaders.Processes
{
static class ProcessLoaderHelper
{
// NOTE: If you want to change this value make sure to increment the InternalVersion of Ptc and PtcProfiler.
// You also need to add a new migration path and adjust the existing ones.
// TODO: Remove this workaround when ASLR is implemented.
private const ulong CodeStartOffset = 0x500000UL;
public static LibHac.Result RegisterProgramMapInfo(Switch device, PartitionFileSystem partitionFileSystem)
{
ulong applicationId = 0;
@ -242,7 +247,7 @@ namespace Ryujinx.HLE.Loaders.Processes
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = (meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL;
ulong codeStart = ((meta.Flags & 1) != 0 ? 0x8000000UL : 0x200000UL) + CodeStartOffset;
uint codeSize = 0;
var buildIds = executables.Select(e => (e switch