Ryan Houdek 138e88bc80 Linux: Implements support for vsyscall ...

vsyscall is a legacy interface to expose three syscalls in a faster fashion.
Most applications should have moved to vDSO but this isn't entirely the case.

golang specifically still used vsyscall in the case that vdso isn't available.
Which that isn't completely safe since vsyscall can be completely disabled.
This is fixed in a newer version of their runtime but we must support legacy behaviour.

This makes it so FEX checks if the incoming RIP is a "special" region and adjusts where it
loads instructions from accordingly. Lying to the guest application about the instruction stream
while maintaining the illusion that its RIP is in the correct location.
This was fairly straightforward since we already decoupled the instruction stream from the RIP location.

This fixes golang execution as long as you also disable their preempt signaling.
environment variable to do so is `GODEBUG=asyncpreemptoff=1`

2021-07-22 16:58:17 -07:00

..

ArchHelpers

Arm64: Implements unaligned atomic loads store handler

2021-07-10 23:32:18 -07:00

Dispatcher

Minor header shuffling to improve compilation time

2021-07-20 04:27:28 -07:00

Interpreter

Minor header shuffling to improve compilation time

2021-07-20 04:27:28 -07:00

JIT

Minor header shuffling to improve compilation time

2021-07-20 04:27:28 -07:00

OpcodeDispatcher

OpcodeDispatcher: Split the opcode handling to multiple files

2021-07-20 04:27:28 -07:00

VSyscall

Linux: Implements support for vsyscall

2021-07-22 16:58:17 -07:00

X86Tables

Minor header shuffling to improve compilation time

2021-07-20 04:27:28 -07:00

BlockSamplingData.cpp

Moves SonicUtils in to FEXCore

2020-11-29 00:30:28 -08:00

BlockSamplingData.h

Fixes some missing includes

2020-05-25 20:04:17 -07:00

CompileService.cpp

Changes LogMan assert to defines

2021-04-26 13:49:35 -07:00

CompileService.h

Switches FEXCore over to pthreads implementation

2021-04-01 00:31:45 -07:00

Core.cpp

Use externals xxhash if not found installed

2021-07-05 17:42:35 -07:00

Core.h

FEXCore: Move to Externals/FEXCore

2020-03-06 09:07:37 +02:00

CPUID.cpp

CPUID: Update TM and TM2 CPUID bits

2021-07-01 04:26:39 -07:00

CPUID.h

Remove some logs that aren't worth seeing anymore

2021-07-12 00:25:09 -07:00

DebugData.h

FEXCore: Move to Externals/FEXCore

2020-03-06 09:07:37 +02:00

Frontend.cpp

Linux: Implements support for vsyscall

2021-07-22 16:58:17 -07:00

Frontend.h

Linux: Implements support for vsyscall

2021-07-22 16:58:17 -07:00

GdbServer.cpp

GdbStub: Fix memory leak in GdbServerLoop()

2021-07-02 05:53:59 -04:00

GdbServer.h

GdbServer: Migrate code to fmt

2021-06-05 10:34:59 -04:00

HostFeatures.cpp

Add common location to see host features

2020-09-29 23:45:13 -07:00

HostFeatures.h

Add common location to see host features

2020-09-29 23:45:13 -07:00

InternalThreadState.h

FEXCore: Move to Externals/FEXCore

2020-03-06 09:07:37 +02:00

LookupCache.cpp

Changes LogMan assert to defines

2021-04-26 13:49:35 -07:00

LookupCache.h

LookupCache: Remove warning

2021-06-10 14:55:53 -07:00

OpcodeDispatcher.cpp

OpcodeDispatcher: Split the opcode handling to multiple files

2021-07-20 04:27:28 -07:00

OpcodeDispatcher.h

OpcodeDispatcher: Split the opcode handling to multiple files

2021-07-20 04:27:28 -07:00

X86DebugInfo.cpp

Remove some logs that aren't worth seeing anymore

2021-07-12 00:25:09 -07:00

X86HelperGen.cpp

X86HelperGen: Use System mmap for 32-bit fixed location

2021-07-12 00:13:32 -07:00

X86HelperGen.h

Docs: Add tags to the source code

2021-03-30 12:21:18 +03:00

X86Tables.cpp

Remove some logs that aren't worth seeing anymore

2021-07-12 00:25:09 -07:00