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common: Rewrite logging based on cut down citra logger (#86)

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* common: Rewrite logging based on cut down Citra logger

* code: Misc fixes

* core: Bring back tls handler

* linker: Cleanup

* config: Remove log level

* logging: Enable console output by default

* core: Fix windows build
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GPUCode 2024-02-28 00:10:34 +02:00 • committed by GitHub
parent b3084646a8
commit 79d6c8a377
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70 changed files with 3212 additions and 1541 deletions
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// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/assert.h"
#include "common/types.h"
#include "core/tls.h"
#ifdef _WIN32
#include <windows.h>
#endif
namespace Core {
thread_local u8 TLS[1024];
struct TLSPattern {
uint8_t pattern[5];
uint8_t pattern_size;
uint8_t imm_size;
uint8_t target_reg;
};
constexpr static TLSPattern TlsPatterns[] = {
{{0x64, 0x48, 0xA1},
3,
8,
0}, // 64 48 A1 | 00 00 00 00 00 00 00 00 # mov rax, qword ptr fs:[64b imm]
{{0x64, 0x48, 0x8B, 0x4, 0x25},
5,
4,
0}, // 64 48 8B 04 25 | 00 00 00 00 # mov rax,qword ptr fs:[0]
{{0x64, 0x48, 0x8B, 0xC, 0x25}, 5, 4, 1}, // rcx
{{0x64, 0x48, 0x8B, 0x14, 0x25}, 5, 4, 2}, // rdx
{{0x64, 0x48, 0x8B, 0x1C, 0x25}, 5, 4, 3}, // rbx
{{0x64, 0x48, 0x8B, 0x24, 0x25}, 5, 4, 4}, // rsp
{{0x64, 0x48, 0x8B, 0x2C, 0x25}, 5, 4, 5}, // rbp
{{0x64, 0x48, 0x8B, 0x34, 0x25}, 5, 4, 6}, // rsi
{{0x64, 0x48, 0x8B, 0x3C, 0x25}, 5, 4, 7}, // rdi
{{0x64, 0x4C, 0x8B, 0x4, 0x25}, 5, 4, 8}, // r8
{{0x64, 0x4C, 0x8B, 0xC, 0x25}, 5, 4, 9}, // r9
{{0x64, 0x4C, 0x8B, 0x14, 0x25}, 5, 4, 10}, // r10
{{0x64, 0x4C, 0x8B, 0x1C, 0x25}, 5, 4, 11}, // r11
{{0x64, 0x4C, 0x8B, 0x24, 0x25}, 5, 4, 12}, // r12
{{0x64, 0x4C, 0x8B, 0x2C, 0x25}, 5, 4, 13}, // r13
{{0x64, 0x4C, 0x8B, 0x34, 0x25}, 5, 4, 14}, // r14
{{0x64, 0x4C, 0x8B, 0x3C, 0x25}, 5, 4, 15}, // r15
};
uintptr_t GetGuestTls(s64 tls_offset) {
if (tls_offset == 0) {
return reinterpret_cast<uintptr_t>(TLS);
}
UNREACHABLE_MSG("Unimplemented offset info tls");
}
#ifdef _WIN64
static LONG WINAPI ExceptionHandler(PEXCEPTION_POINTERS pExp) noexcept {
auto orig_rip = pExp->ContextRecord->Rip;
while (*(u8*)pExp->ContextRecord->Rip == 0x66) {
pExp->ContextRecord->Rip++;
}
if (*(u8*)pExp->ContextRecord->Rip == 0xcd) {
int reg = *(u8*)(pExp->ContextRecord->Rip + 1) - 0x80;
int sizes = *(u8*)(pExp->ContextRecord->Rip + 2);
int pattern_size = sizes & 0xF;
int imm_size = sizes >> 4;
int64_t tls_offset;
if (imm_size == 4) {
tls_offset = *(s32*)(pExp->ContextRecord->Rip + pattern_size);
} else {
tls_offset = *(s64*)(pExp->ContextRecord->Rip + pattern_size);
}
(&pExp->ContextRecord->Rax)[reg] = GetGuestTls(tls_offset); /* GetGuestTls */
pExp->ContextRecord->Rip += pattern_size + imm_size;
return EXCEPTION_CONTINUE_EXECUTION;
}
pExp->ContextRecord->Rip = orig_rip;
const u32 ec = pExp->ExceptionRecord->ExceptionCode;
switch (ec) {
case EXCEPTION_ACCESS_VIOLATION: {
LOG_CRITICAL(Core, "Exception EXCEPTION_ACCESS_VIOLATION ({:#x})", ec);
const auto info = pExp->ExceptionRecord->ExceptionInformation;
switch (info[0]) {
case 0:
LOG_CRITICAL(Core, "Read violation at address {:#x}", info[1]);
break;
case 1:
LOG_CRITICAL(Core, "Write violation at address {:#x}", info[1]);
break;
case 8:
LOG_CRITICAL(Core, "DEP violation at address {:#x}", info[1]);
break;
default:
break;
}
break;
}
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
LOG_CRITICAL(Core, "Exception EXCEPTION_ARRAY_BOUNDS_EXCEEDED ({:#x})", ec);
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
LOG_CRITICAL(Core, "Exception EXCEPTION_DATATYPE_MISALIGNMENT ({:#x})", ec);
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
LOG_CRITICAL(Core, "Exception EXCEPTION_FLT_DIVIDE_BY_ZERO ({:#x})", ec);
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
LOG_CRITICAL(Core, "Exception EXCEPTION_ILLEGAL_INSTRUCTION ({:#x})", ec);
break;
case EXCEPTION_IN_PAGE_ERROR:
LOG_CRITICAL(Core, "Exception EXCEPTION_IN_PAGE_ERROR ({:#x})", ec);
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
LOG_CRITICAL(Core, "Exception EXCEPTION_INT_DIVIDE_BY_ZERO ({:#x})", ec);
break;
case EXCEPTION_PRIV_INSTRUCTION:
LOG_CRITICAL(Core, "Exception EXCEPTION_PRIV_INSTRUCTION ({:#x})", ec);
break;
case EXCEPTION_STACK_OVERFLOW:
LOG_CRITICAL(Core, "Exception EXCEPTION_STACK_OVERFLOW ({:#x})", ec);
break;
default:
return EXCEPTION_CONTINUE_SEARCH;
}
return EXCEPTION_CONTINUE_SEARCH;
}
#endif
void InstallTlsHandler() {
#ifdef _WIN64
if (!AddVectoredExceptionHandler(0, ExceptionHandler)) {
LOG_CRITICAL(Core, "Failed to register an exception handler");
}
#endif
}
void PatchTLS(u64 segment_addr, u64 segment_size) {
u8* code = reinterpret_cast<u8*>(segment_addr);
auto remaining_size = segment_size;
while (remaining_size) {
for (const auto& tls_pattern : TlsPatterns) {
const auto total_size = tls_pattern.pattern_size + tls_pattern.imm_size;
if (remaining_size < total_size) {
continue;
}
if (std::memcmp(code, tls_pattern.pattern, tls_pattern.pattern_size) != 0) {
continue;
}
if (tls_pattern.imm_size == 4) {
LOG_INFO(Core_Linker, "PATTERN32 FOUND at {}, reg: {} offset: {:#x}",
fmt::ptr(code), tls_pattern.target_reg,
*(u32*)(code + tls_pattern.pattern_size));
} else {
LOG_INFO(Core_Linker, "PATTERN64 FOUND at {}, reg: {} offset: {:#x}",
fmt::ptr(code), tls_pattern.target_reg,
*(u32*)(code + tls_pattern.pattern_size));
}
code[0] = 0xcd;
code[1] = 0x80 + tls_pattern.target_reg;
code[2] = tls_pattern.pattern_size | (tls_pattern.imm_size << 4);
code += total_size - 1;
remaining_size -= total_size - 1;
break;
}
code++;
remaining_size--;
}
}
} // namespace Core