/
Logger.c
787 lines (681 loc) · 27 KB
/
Logger.c
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#include "Logger.h"
#include "Platform.h"
#include "Chat.h"
#include "Window.h"
#include "Funcs.h"
#include "Stream.h"
#include "Errors.h"
#ifdef CC_BUILD_WEB
#undef CC_BUILD_POSIX /* Can't see native CPU state with javascript */
#endif
#ifdef CC_BUILD_WIN
#define WIN32_LEAN_AND_MEAN
#define NOSERVICE
#define NOMCX
#define NOIME
#include <windows.h>
#include <imagehlp.h>
#endif
/* POSIX can be shared between unix-ish systems */
#ifdef CC_BUILD_POSIX
#if defined CC_BUILD_OPENBSD
#include <signal.h>
/* OpenBSD doesn't provide ucontext.h */
#elif defined CC_BUILD_LINUX
/* Need to define this to get REG_ constants */
#define __USE_GNU
#include <ucontext.h>
#undef __USE_GNU
#include <signal.h>
#else
#include <signal.h>
#include <ucontext.h>
#endif
#endif
/*########################################################################################################################*
*----------------------------------------------------------Warning--------------------------------------------------------*
*#########################################################################################################################*/
void Logger_DialogWarn(const String* msg) {
String dst; char dstBuffer[512];
String_InitArray_NT(dst, dstBuffer);
String_AppendString(&dst, msg);
dst.buffer[dst.length] = '\0';
Window_ShowDialog(Logger_DialogTitle, dst.buffer);
}
const char* Logger_DialogTitle = "Error";
Logger_DoWarn Logger_WarnFunc = Logger_DialogWarn;
void Logger_SimpleWarn(ReturnCode res, const char* place) {
String msg; char msgBuffer[128];
String_InitArray(msg, msgBuffer);
String_Format2(&msg, "Error %h when %c", &res, place);
Logger_WarnFunc(&msg);
}
void Logger_SimpleWarn2(ReturnCode res, const char* place, const String* path) {
String msg; char msgBuffer[256];
String_InitArray(msg, msgBuffer);
String_Format3(&msg, "Error %h when %c '%s'", &res, place, path);
Logger_WarnFunc(&msg);
}
/* Returns a description for ClassiCube specific error codes */
static const char* Logger_GetCCErrorDesc(ReturnCode res) {
switch (res) {
case ERR_END_OF_STREAM: return "End of stream";
case ERR_NOT_SUPPORTED: return "Operation not supported";
case ERR_INVALID_ARGUMENT: return "Invalid argument";
case OGG_ERR_INVALID_SIG: return "Invalid OGG signature";
case OGG_ERR_VERSION: return "Invalid OGG format version";
case WAV_ERR_STREAM_HDR: return "Invalid WAV header";
case WAV_ERR_STREAM_TYPE: return "Invalid WAV type";
case WAV_ERR_DATA_TYPE: return "Unsupported WAV audio format";
case WAV_ERR_NO_DATA: return "No audio in WAV";
/* Vorbis audio decoding errors */ /*
VORBIS_ERR_HEADER,
VORBIS_ERR_WRONG_HEADER,
VORBIS_ERR_FRAMING,
VORBIS_ERR_VERSION,
VORBIS_ERR_BLOCKSIZE,
VORBIS_ERR_CHANS,
VORBIS_ERR_TIME_TYPE,
VORBIS_ERR_FLOOR_TYPE,
VORBIS_ERR_RESIDUE_TYPE,
VORBIS_ERR_MAPPING_TYPE,
VORBIS_ERR_MODE_TYPE,
VORBIS_ERR_CODEBOOK_SYNC,
VORBIS_ERR_CODEBOOK_ENTRY,
VORBIS_ERR_CODEBOOK_LOOKUP,
VORBIS_ERR_MODE_WINDOW,
VORBIS_ERR_MODE_TRANSFORM,
VORBIS_ERR_MAPPING_CHANS,
VORBIS_ERR_MAPPING_RESERVED,
VORBIS_ERR_FRAME_TYPE,
/* PNG image decoding errors */
case PNG_ERR_INVALID_SIG: return "Invalid PNG signature";
case PNG_ERR_INVALID_HDR_SIZE: return "Invalid PNG header size";
case PNG_ERR_TOO_WIDE: return "PNG image too wide";
case PNG_ERR_TOO_TALL: return "PNG image too tall";
case PNG_ERR_INVALID_COL_BPP: return "Invalid color type in PNG";
case PNG_ERR_COMP_METHOD: return "Invalid compression in PNG";
case PNG_ERR_FILTER: return "Invalid filter in PNG";
case PNG_ERR_INTERLACED: return "Interlaced PNGs unsupported";
case PNG_ERR_PAL_SIZE: return "Invalid size of palette data";
case PNG_ERR_TRANS_COUNT: return "Invalid number of transparency entries";
case PNG_ERR_TRANS_INVALID: return "Transparency invalid for color type";
case PNG_ERR_INVALID_END_SIZE: return "Non-empty IEND chunk";
case PNG_ERR_NO_DATA: return "No image in PNG";
case PNG_ERR_INVALID_SCANLINE: return "Invalid PNG scanline type";
/* ZIP archive decoding errors */ /*
ZIP_ERR_TOO_MANY_ENTRIES,
ZIP_ERR_SEEK_END_OF_CENTRAL_DIR,
ZIP_ERR_NO_END_OF_CENTRAL_DIR,
ZIP_ERR_SEEK_CENTRAL_DIR,
ZIP_ERR_INVALID_CENTRAL_DIR,
ZIP_ERR_SEEK_LOCAL_DIR,
ZIP_ERR_INVALID_LOCAL_DIR,
ZIP_ERR_FILENAME_LEN,
/* GZIP header decoding errors */ /*
GZIP_ERR_HEADER1,
GZIP_ERR_HEADER2,
GZIP_ERR_METHOD,
GZIP_ERR_FLAGS,
/* ZLIB header decoding errors */ /*
ZLIB_ERR_METHOD,
ZLIB_ERR_WINDOW_SIZE,
ZLIB_ERR_FLAGS,
/* FCM map decoding errors */ /*
FCM_ERR_IDENTIFIER,
FCM_ERR_REVISION,
/* LVL map decoding errors */ /*
LVL_ERR_VERSION,
/* DAT map decoding errors */ /*
DAT_ERR_IDENTIFIER,
DAT_ERR_VERSION,
DAT_ERR_JIDENTIFIER,
DAT_ERR_JVERSION,
DAT_ERR_ROOT_TYPE,
DAT_ERR_JSTRING_LEN,
DAT_ERR_JFIELD_CLASS_NAME,
DAT_ERR_JCLASS_TYPE,
DAT_ERR_JCLASS_FIELDS,
DAT_ERR_JCLASS_ANNOTATION,
DAT_ERR_JOBJECT_TYPE,
DAT_ERR_JARRAY_TYPE,
DAT_ERR_JARRAY_CONTENT,
*/
case NBT_ERR_INT32S: return "I32_Array NBT tag unsupported";
case NBT_ERR_UNKNOWN: return "Unknown NBT tag type";
case CW_ERR_ROOT_TAG: return "Invalid root NBT tag";
case CW_ERR_STRING_LEN: return "NBT string too long";
}
return NULL;
}
/* Appends more detailed information about an error if possible */
static void Logger_AppendErrorDesc(String* msg, ReturnCode res, Logger_DescribeError describeErr) {
const char* cc_err;
String err; char errBuffer[128];
String_InitArray(err, errBuffer);
cc_err = Logger_GetCCErrorDesc(res);
if (cc_err) {
String_Format1(msg, "\n Error meaning: %c", cc_err);
} else if (describeErr(res, &err)) {
String_Format1(msg, "\n Error meaning: %s", &err);
}
}
void Logger_SysWarn(ReturnCode res, const char* place, Logger_DescribeError describeErr) {
String msg; char msgBuffer[256];
String_InitArray(msg, msgBuffer);
String_Format2(&msg, "Error %h when %c", &res, place);
Logger_AppendErrorDesc(&msg, res, describeErr);
Logger_WarnFunc(&msg);
}
void Logger_SysWarn2(ReturnCode res, const char* place, const String* path, Logger_DescribeError describeErr) {
String msg; char msgBuffer[256];
String_InitArray(msg, msgBuffer);
String_Format3(&msg, "Error %h when %c '%s'", &res, place, path);
Logger_AppendErrorDesc(&msg, res, describeErr);
Logger_WarnFunc(&msg);
}
void Logger_DynamicLibWarn2(ReturnCode res, const char* place, const String* path) {
Logger_SysWarn2(res, place, path, DynamicLib_DescribeError);
}
void Logger_Warn(ReturnCode res, const char* place) {
Logger_SysWarn(res, place, Platform_DescribeError);
}
void Logger_Warn2(ReturnCode res, const char* place, const String* path) {
Logger_SysWarn2(res, place, path, Platform_DescribeError);
}
/*########################################################################################################################*
*-------------------------------------------------------Backtracing-------------------------------------------------------*
*#########################################################################################################################*/
static void Logger_PrintFrame(String* str, uintptr_t addr, uintptr_t symAddr, const char* symName, const char* modName) {
String module;
int offset;
if (!modName) modName = "???";
module = String_FromReadonly(modName);
Utils_UNSAFE_GetFilename(&module);
String_Format2(str, "0x%x - %s", &addr, &module);
if (symName) {
offset = (int)(addr - symAddr);
String_Format2(str, "(%c+%i)" _NL, symName, &offset);
} else {
String_AppendConst(str, _NL);
}
}
#if defined CC_BUILD_WEB
void Logger_Backtrace(String* trace, void* ctx) { }
#elif defined CC_BUILD_WIN
struct StackPointers { uintptr_t ip, fp, sp; };
struct SymbolAndName { IMAGEHLP_SYMBOL Symbol; char Name[256]; };
static int Logger_GetFrames(CONTEXT* ctx, struct StackPointers* pointers, int max) {
STACKFRAME frame = { 0 };
frame.AddrPC.Mode = AddrModeFlat;
frame.AddrFrame.Mode = AddrModeFlat;
frame.AddrStack.Mode = AddrModeFlat;
DWORD type;
#if defined _M_IX86
type = IMAGE_FILE_MACHINE_I386;
frame.AddrPC.Offset = ctx->Eip;
frame.AddrFrame.Offset = ctx->Ebp;
frame.AddrStack.Offset = ctx->Esp;
#elif defined _M_X64
type = IMAGE_FILE_MACHINE_AMD64;
frame.AddrPC.Offset = ctx->Rip;
frame.AddrFrame.Offset = ctx->Rsp;
frame.AddrStack.Offset = ctx->Rsp;
#else
#error "Unknown machine type"
#endif
HANDLE process = GetCurrentProcess();
HANDLE thread = GetCurrentThread();
int count;
CONTEXT copy = *ctx;
for (count = 0; count < max; count++) {
if (!StackWalk(type, process, thread, &frame, ©, NULL, SymFunctionTableAccess, SymGetModuleBase, NULL)) break;
if (!frame.AddrFrame.Offset) break;
pointers[count].ip = frame.AddrPC.Offset;
pointers[count].fp = frame.AddrFrame.Offset;
pointers[count].sp = frame.AddrStack.Offset;
}
return count;
}
void Logger_Backtrace(String* trace, void* ctx) {
char strBuffer[512]; String str;
struct StackPointers pointers[40];
int i, frames;
HANDLE process;
uintptr_t addr;
process = GetCurrentProcess();
SymInitialize(process, NULL, TRUE);
frames = Logger_GetFrames((CONTEXT*)ctx, pointers, 40);
for (i = 0; i < frames; i++) {
addr = pointers[i].ip;
String_InitArray(str, strBuffer);
struct SymbolAndName s = { 0 };
s.Symbol.MaxNameLength = 255;
s.Symbol.SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
SymGetSymFromAddr(process, addr, NULL, &s.Symbol);
IMAGEHLP_MODULE m = { 0 };
m.SizeOfStruct = sizeof(IMAGEHLP_MODULE);
SymGetModuleInfo(process, addr, &m);
Logger_PrintFrame(&str, addr, s.Symbol.Address, s.Symbol.Name, m.ModuleName);
String_AppendString(trace, &str);
/* frame and stack address */
String_Format2(&str, " fp: %x, sp: %x\r\n", &pointers[i].fp, &pointers[i].sp);
/* This function only works for .pdb debug info */
/* This function is also missing on Windows98 + KernelEX */
#if _MSC_VER
IMAGEHLP_LINE line = { 0 }; DWORD lineOffset;
line.SizeOfStruct = sizeof(IMAGEHLP_LINE);
if (SymGetLineFromAddr(process, addr, &lineOffset, &line)) {
String_Format2(&str, " line %i in %c\r\n", &line.LineNumber, line.FileName);
}
#endif
Logger_Log(&str);
}
String_AppendConst(trace, "\r\n");
}
#elif defined CC_BUILD_UNWIND
#include <unwind.h>
#define __USE_GNU
#include <dlfcn.h>
#undef __USE_GNU
static _Unwind_Reason_Code Logger_DumpFrame(struct _Unwind_Context* ctx, void* arg) {
String str; char strBuffer[384];
String* trace;
uintptr_t addr;
Dl_info info;
trace = (String*)arg;
addr = _Unwind_GetIP(ctx);
String_InitArray(str, strBuffer);
if (!addr) return _URC_END_OF_STACK;
info.dli_sname = NULL;
info.dli_fname = NULL;
dladdr(addr, &info);
Logger_PrintFrame(&str, addr, (uintptr_t)info.dli_saddr, info.dli_sname, info.dli_fname);
String_AppendString(trace, &str);
Logger_Log(&str);
return _URC_NO_REASON;
}
void Logger_Backtrace(String* trace, void* ctx) {
_Unwind_Backtrace(Logger_DumpFrame, trace);
String_AppendConst(trace, "\n");
}
#elif defined CC_BUILD_POSIX
#include <execinfo.h>
#define __USE_GNU
#include <dlfcn.h>
#undef __USE_GNU
void Logger_Backtrace(String* trace, void* ctx) {
String str; char strBuffer[384];
void* addrs[40];
int i, frames;
char** strings;
uintptr_t addr;
Dl_info info;
frames = backtrace(addrs, 40);
for (i = 0; i < frames; i++) {
addr = (uintptr_t)addrs[i];
String_InitArray(str, strBuffer);
info.dli_sname = NULL;
info.dli_fname = NULL;
dladdr(addr, &info);
Logger_PrintFrame(&str, addr, (uintptr_t)info.dli_saddr, info.dli_sname, info.dli_fname);
String_AppendString(trace, &str);
Logger_Log(&str);
}
String_AppendConst(trace, "\n");
}
#endif
/*########################################################################################################################*
*-------------------------------------------------------Info dumping------------------------------------------------------*
*#########################################################################################################################*/
/* Unfortunately, operating systems vary wildly in how they name and access registers for dumping */
/* So this is the simplest way to avoid duplicating code on each platform */
#define Logger_Dump_X86() \
String_Format3(&str, "eax=%x ebx=%x ecx=%x" _NL, REG_GET(ax,AX), REG_GET(bx,BX), REG_GET(cx,CX));\
String_Format3(&str, "edx=%x esi=%x edi=%x" _NL, REG_GET(dx,DX), REG_GET(si,SI), REG_GET(di,DI));\
String_Format3(&str, "eip=%x ebp=%x esp=%x" _NL, REG_GET(ip,IP), REG_GET(bp,BP), REG_GET(sp,SP));
#define Logger_Dump_X64() \
String_Format3(&str, "rax=%x rbx=%x rcx=%x" _NL, REG_GET(ax,AX), REG_GET(bx,BX), REG_GET(cx,CX));\
String_Format3(&str, "rdx=%x rsi=%x rdi=%x" _NL, REG_GET(dx,DX), REG_GET(si,SI), REG_GET(di,DI));\
String_Format3(&str, "rip=%x rbp=%x rsp=%x" _NL, REG_GET(ip,IP), REG_GET(bp,BP), REG_GET(sp,SP));\
String_Format3(&str, "r8 =%x r9 =%x r10=%x" _NL, REG_GET(8,8), REG_GET(9,9), REG_GET(10,10));\
String_Format3(&str, "r11=%x r12=%x r13=%x" _NL, REG_GET(11,11), REG_GET(12,12), REG_GET(13,13));\
String_Format2(&str, "r14=%x r15=%x" _NL, REG_GET(14,14), REG_GET(15,15));
#define Logger_Dump_PPC() \
String_Format4(&str, "r0 =%x r1 =%x r2 =%x r3 =%x" _NL, REG_GNUM(0), REG_GNUM(1), REG_GNUM(2), REG_GNUM(3)); \
String_Format4(&str, "r4 =%x r5 =%x r6 =%x r7 =%x" _NL, REG_GNUM(4), REG_GNUM(5), REG_GNUM(6), REG_GNUM(7)); \
String_Format4(&str, "r8 =%x r9 =%x r10=%x r11=%x" _NL, REG_GNUM(8), REG_GNUM(9), REG_GNUM(10), REG_GNUM(11)); \
String_Format4(&str, "r12=%x r13=%x r14=%x r15=%x" _NL, REG_GNUM(12), REG_GNUM(13), REG_GNUM(14), REG_GNUM(15)); \
String_Format4(&str, "r16=%x r17=%x r18=%x r19=%x" _NL, REG_GNUM(16), REG_GNUM(17), REG_GNUM(18), REG_GNUM(19)); \
String_Format4(&str, "r20=%x r21=%x r22=%x r23=%x" _NL, REG_GNUM(20), REG_GNUM(21), REG_GNUM(22), REG_GNUM(23)); \
String_Format4(&str, "r24=%x r25=%x r26=%x r27=%x" _NL, REG_GNUM(24), REG_GNUM(25), REG_GNUM(26), REG_GNUM(27)); \
String_Format4(&str, "r28=%x r29=%x r30=%x r31=%x" _NL, REG_GNUM(28), REG_GNUM(29), REG_GNUM(30), REG_GNUM(31)); \
String_Format3(&str, "pc =%x lr =%x ctr=%x" _NL, REG_GET(srr0, SRR0), REG_GET(lr, LR), REG_GET(ctr,CTR));
#define Logger_Dump_ARM32() \
String_Format3(&str, "r0 =%x r1 =%x r2 =%x" _NL, REG_GNUM(0), REG_GNUM(1), REG_GNUM(2));\
String_Format3(&str, "r3 =%x r4 =%x r5 =%x" _NL, REG_GNUM(3), REG_GNUM(4), REG_GNUM(5));\
String_Format3(&str, "r6 =%x r7 =%x r8 =%x" _NL, REG_GNUM(6), REG_GNUM(7), REG_GNUM(8));\
String_Format3(&str, "r9 =%x r10=%x fp =%x" _NL, REG_GNUM(9), REG_GNUM(10), REG_GET(fp,FP));\
String_Format3(&str, "sp =%x lr =%x pc =%x" _NL, REG_GET(sp,SP), REG_GET(lr,LR), REG_GET(pc,PC));
#define Logger_Dump_ARM64() \
String_Format4(&str, "r0 =%x r1 =%x r2 =%x r3 =%x" _NL, REG_GNUM(0), REG_GNUM(1), REG_GNUM(2), REG_GNUM(3)); \
String_Format4(&str, "r4 =%x r5 =%x r6 =%x r7 =%x" _NL, REG_GNUM(4), REG_GNUM(5), REG_GNUM(6), REG_GNUM(7)); \
String_Format4(&str, "r8 =%x r9 =%x r10=%x r11=%x" _NL, REG_GNUM(8), REG_GNUM(9), REG_GNUM(10), REG_GNUM(11)); \
String_Format4(&str, "r12=%x r13=%x r14=%x r15=%x" _NL, REG_GNUM(12), REG_GNUM(13), REG_GNUM(14), REG_GNUM(15)); \
String_Format4(&str, "r16=%x r17=%x r18=%x r19=%x" _NL, REG_GNUM(16), REG_GNUM(17), REG_GNUM(18), REG_GNUM(19)); \
String_Format4(&str, "r20=%x r21=%x r22=%x r23=%x" _NL, REG_GNUM(20), REG_GNUM(21), REG_GNUM(22), REG_GNUM(23)); \
String_Format4(&str, "r24=%x r25=%x r26=%x r27=%x" _NL, REG_GNUM(24), REG_GNUM(25), REG_GNUM(26), REG_GNUM(27)); \
String_Format3(&str, "r28=%x r29=%x r30=%x" _NL, REG_GNUM(28), REG_GNUM(29), REG_GNUM(30)); \
String_Format2(&str, "sp =%x pc =%x" _NL, REG_GET(sp,SP), REG_GET(pc,PC));
#define Logger_Dump_SPARC() \
String_Format4(&str, "o0=%x o1=%x o2=%x o3=%x" _NL, REG_GET(o0,O0), REG_GET(o1,O1), REG_GET(o2,O2), REG_GET(o3,O3)); \
String_Format4(&str, "o4=%x o5=%x o6=%x o7=%x" _NL, REG_GET(o4,O4), REG_GET(o5,O5), REG_GET(o6,O6), REG_GET(o7,O7)); \
String_Format4(&str, "g1=%x g2=%x g3=%x g4=%x" _NL, REG_GET(g1,G1), REG_GET(g2,G2), REG_GET(g3,G3), REG_GET(g4,G4)); \
String_Format4(&str, "g5=%x g6=%x g7=%x y =%x" _NL, REG_GET(g5,G5), REG_GET(g6,G6), REG_GET(g7,G7), REG_GET( y, Y)); \
String_Format2(&str, "pc=%x nc=%x" _NL, REG_GET(pc,PC), REG_GET(npc,nPC));
#if defined CC_BUILD_WEB
static void Logger_DumpRegisters(void* ctx) { }
static void Logger_DumpMisc(void* ctx) { }
#elif defined CC_BUILD_WIN
static void Logger_DumpRegisters(void* ctx) {
String str; char strBuffer[512];
CONTEXT* r = (CONTEXT*)ctx;
String_InitArray(str, strBuffer);
String_AppendConst(&str, "-- registers --\r\n");
#if defined _M_IX86
#define REG_GET(reg, ign) &r->E ## reg
Logger_Dump_X86()
#elif defined _M_X64
#define REG_GET(reg, ign) &r->R ## reg
Logger_Dump_X64()
#else
#error "Unknown machine type"
#endif
Logger_Log(&str);
}
static BOOL CALLBACK Logger_DumpModule(const char* name, ULONG_PTR base, ULONG size, void* ctx) {
String str; char strBuffer[256];
uintptr_t beg, end;
beg = base; end = base + (size - 1);
String_InitArray(str, strBuffer);
String_Format3(&str, "%c = %x-%x\r\n", name, &beg, &end);
Logger_Log(&str);
return true;
}
static void Logger_DumpMisc(void* ctx) {
static const String modules = String_FromConst("-- modules --\r\n");
HANDLE process = GetCurrentProcess();
Logger_Log(&modules);
EnumerateLoadedModules(process, Logger_DumpModule, NULL);
}
#elif defined CC_BUILD_POSIX
static void Logger_DumpRegisters(void* ctx) {
String str; char strBuffer[512];
#if defined CC_BUILD_OPENBSD
struct sigcontext r;
r = *((ucontext_t*)ctx);
#elif defined CC_BUILD_LINUX && __PPC__ && __WORDSIZE == 32
/* see sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h in glibc */
mcontext_t r;
r = *((ucontext_t*)ctx)->uc_mcontext.uc_regs;
#else
mcontext_t r;
r = ((ucontext_t*)ctx)->uc_mcontext;
#endif
String_InitArray(str, strBuffer);
String_AppendConst(&str, "-- registers --\n");
/* Linux: See /usr/include/sys/ucontext.h */
/* OSX: See /usr/include/mach/i386/_structs.h */
/* Solaris: See /usr/include/sys/regset.h */
/* NetBSD: See /usr/include/i386/mcontext.h */
/* OpenBSD: See /usr/include/machine/signal.h */
#if defined __i386__
#if defined CC_BUILD_LINUX
#define REG_GET(ign, reg) &r.gregs[REG_E##reg]
#elif defined CC_BUILD_OSX
#define REG_GET(reg, ign) &r->__ss.__e##reg
#elif defined CC_BUILD_SOLARIS
#define REG_GET(ign, reg) &r.gregs[E##reg]
#elif defined CC_BUILD_FREEBSD
#define REG_GET(reg, ign) &r.mc_e##reg
#elif defined CC_BUILD_OPENBSD
#define REG_GET(reg, ign) &r.sc_e##reg
#elif defined CC_BUILD_NETBSD
#define REG_GET(ign, reg) &r.__gregs[_REG_E##reg]
#endif
Logger_Dump_X86()
#elif defined __x86_64__
#if defined CC_BUILD_LINUX
#define REG_GET(ign, reg) &r.gregs[REG_R##reg]
#elif defined CC_BUILD_OSX
#define REG_GET(reg, ign) &r->__ss.__r##reg
#elif defined CC_BUILD_SOLARIS
#define REG_GET(ign, reg) &r.gregs[REG_R##reg]
#elif defined CC_BUILD_FREEBSD
#define REG_GET(reg, ign) &r.mc_r##reg
#elif defined CC_BUILD_OPENBSD
#define REG_GET(reg, ign) &r.sc_r##reg
#elif defined CC_BUILD_NETBSD
#define REG_GET(ign, reg) &r.__gregs[_REG_R##reg]
#endif
Logger_Dump_X64()
#elif defined __ppc__ || defined __PPC__
#if defined CC_BUILD_OSX
#define REG_GNUM(num) &r->__ss.__r##num
#define REG_GET(reg, ign) &r->__ss.__##reg
#elif defined CC_BUILD_LINUX
#define REG_GNUM(num) &r.gregs[num]
#endif
Logger_Dump_PPC()
#elif defined __aarch64__
#if defined CC_BUILD_LINUX
#define REG_GNUM(num) &r.regs[num]
#define REG_GET(reg, ign) &r.##reg
#endif
Logger_Dump_ARM64()
#elif defined __arm__
#if defined CC_BUILD_LINUX
#define REG_GNUM(num) &r.arm_r##num
#define REG_GET(reg, ign) &r.arm_##reg
#endif
Logger_Dump_ARM32()
#elif defined __sparc__
#if defined CC_BUILD_LINUX
#define REG_GET(ign, reg) &r.gregs[REG_##reg]
#endif
Logger_Dump_SPARC()
#else
#error "Unknown ISA/architecture"
#endif
Logger_Log(&str);
}
/* OS specific stuff */
#if defined CC_BUILD_LINUX || defined CC_BUILD_SOLARIS
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
static void Logger_DumpMisc(void* ctx) {
static const String memMap = String_FromConst("-- memory map --\n");
String str; char strBuffer[320];
int n, fd;
Logger_Log(&memMap);
/* dumps all known ranges of memory */
fd = open("/proc/self/maps", O_RDONLY);
if (fd < 0) return;
String_InitArray(str, strBuffer);
while ((n = read(fd, str.buffer, str.capacity)) > 0) {
str.length = n;
Logger_Log(&str);
}
close(fd);
}
#else
static void Logger_DumpMisc(void* ctx) { }
#endif
#endif
/*########################################################################################################################*
*------------------------------------------------------Error handling-----------------------------------------------------*
*#########################################################################################################################*/
static void Logger_AbortCommon(ReturnCode result, const char* raw_msg, void* ctx);
#if defined CC_BUILD_WEB
void Logger_Hook(void) { }
void Logger_Abort2(ReturnCode result, const char* raw_msg) {
Logger_AbortCommon(result, raw_msg, NULL);
}
#elif defined CC_BUILD_WIN
static LONG WINAPI Logger_UnhandledFilter(struct _EXCEPTION_POINTERS* pInfo) {
String msg; char msgBuffer[128 + 1];
uint32_t code;
uintptr_t addr;
code = (uint32_t)pInfo->ExceptionRecord->ExceptionCode;
addr = (uintptr_t)pInfo->ExceptionRecord->ExceptionAddress;
String_InitArray_NT(msg, msgBuffer);
String_Format2(&msg, "Unhandled exception 0x%h at 0x%x", &code, &addr);
msg.buffer[msg.length] = '\0';
Logger_AbortCommon(0, msg.buffer, pInfo->ContextRecord);
return EXCEPTION_EXECUTE_HANDLER; /* TODO: different flag */
}
void Logger_Hook(void) { SetUnhandledExceptionFilter(Logger_UnhandledFilter); }
/* Don't want compiler doing anything fancy with registers */
#if _MSC_VER
#pragma optimize ("", off)
#endif
void Logger_Abort2(ReturnCode result, const char* raw_msg) {
CONTEXT ctx;
#ifndef _M_IX86
/* This method is guaranteed to exist on 64 bit windows */
/* It is missing in 32 bit Windows 2000 however */
RtlCaptureContext(&ctx);
#elif _MSC_VER
/* Stack frame layout on x86: */
/* [ebp] is previous frame's EBP */
/* [ebp+4] is previous frame's EIP (return address) */
/* address of [ebp+8] is previous frame's ESP */
__asm {
mov eax, [ebp]
mov [ctx.Ebp], eax
mov eax, [ebp+4]
mov [ctx.Eip], eax
lea eax, [ebp+8]
mov [ctx.Esp], eax
mov [ctx.ContextFlags], CONTEXT_CONTROL
}
#else
__asm__(
"mov 0(%%ebp), %%eax \n\t"
"mov %%eax, %0 \n\t"
"mov 4(%%ebp), %%eax \n\t"
"mov %%eax, %1 \n\t"
"lea 8(%%ebp), %%eax \n\t"
"mov %%eax, %2"
: "=m" (ctx.Ebp), "=m" (ctx.Eip), "=m" (ctx.Esp)
:
: "eax", "memory"
);
ctx.ContextFlags = CONTEXT_CONTROL;
#endif
Logger_AbortCommon(result, raw_msg, &ctx);
}
#if _MSC_VER
#pragma optimize ("", on)
#endif
#elif defined CC_BUILD_POSIX
static void Logger_SignalHandler(int sig, siginfo_t* info, void* ctx) {
String msg; char msgBuffer[128 + 1];
int type, code;
uintptr_t addr;
/* Uninstall handler to avoid chance of infinite loop */
signal(SIGSEGV, SIG_DFL);
signal(SIGBUS, SIG_DFL);
signal(SIGILL, SIG_DFL);
signal(SIGABRT, SIG_DFL);
signal(SIGFPE, SIG_DFL);
type = info->si_signo;
code = info->si_code;
addr = (uintptr_t)info->si_addr;
String_InitArray_NT(msg, msgBuffer);
String_Format3(&msg, "Unhandled signal %i (code %i) at 0x%x", &type, &code, &addr);
msg.buffer[msg.length] = '\0';
Logger_AbortCommon(0, msg.buffer, ctx);
}
void Logger_Hook(void) {
struct sigaction sa, old;
sa.sa_sigaction = Logger_SignalHandler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART | SA_SIGINFO;
sigaction(SIGSEGV, &sa, &old);
sigaction(SIGBUS, &sa, &old);
sigaction(SIGILL, &sa, &old);
sigaction(SIGABRT, &sa, &old);
sigaction(SIGFPE, &sa, &old);
}
void Logger_Abort2(ReturnCode result, const char* raw_msg) {
#ifdef CC_BUILD_OPENBSD
/* getcontext is absent on OpenBSD */
Logger_AbortCommon(result, raw_msg, NULL);
#else
ucontext_t ctx;
getcontext(&ctx);
Logger_AbortCommon(result, raw_msg, &ctx);
#endif
}
#endif
/*########################################################################################################################*
*----------------------------------------------------------Common---------------------------------------------------------*
*#########################################################################################################################*/
static FileHandle logFile;
static struct Stream logStream;
static bool logOpen;
void Logger_Log(const String* msg) {
#ifndef CC_BUILD_WEB
static const String path = String_FromConst("client.log");
ReturnCode res;
if (!logOpen) {
logOpen = true;
res = File_Append(&logFile, &path);
if (!res) Stream_FromFile(&logStream, logFile);
}
if (!logStream.Meta.File) return;
Stream_Write(&logStream, (const uint8_t*)msg->buffer, msg->length);
#endif
}
static void Logger_LogCrashHeader(void) {
String msg; char msgBuffer[96];
struct DateTime now;
String_InitArray(msg, msgBuffer);
String_AppendConst(&msg, _NL "----------------------------------------" _NL);
Logger_Log(&msg);
msg.length = 0;
DateTime_CurrentLocal(&now);
String_Format3(&msg, "Crash time: %p2/%p2/%p4 ", &now.Day, &now.Month, &now.Year);
String_Format3(&msg, "%p2:%p2:%p2" _NL, &now.Hour, &now.Minute, &now.Second);
Logger_Log(&msg);
}
static void Logger_DumpBacktrace(String* str, void* ctx) {
static const String backtrace = String_FromConst("-- backtrace --" _NL);
Logger_Log(&backtrace);
Logger_Backtrace(str, ctx);
}
static void Logger_AbortCommon(ReturnCode result, const char* raw_msg, void* ctx) {
String msg; char msgBuffer[3070 + 1];
String_InitArray_NT(msg, msgBuffer);
String_Format1(&msg, "ClassiCube crashed." _NL "Reason: %c" _NL, raw_msg);
#ifdef CC_COMMIT_SHA
String_Format1(&msg, "Commit SHA: %c" _NL, CC_COMMIT_SHA);
#endif
if (result) {
String_Format1(&msg, "%h" _NL, &result);
} else { result = 1; }
Logger_LogCrashHeader();
Logger_Log(&msg);
String_AppendConst(&msg, "Full details of the crash have been logged to 'client.log'.\n");
String_AppendConst(&msg, "Please report this on the ClassiCube forums or to UnknownShadow200.\n\n");
if (ctx) Logger_DumpRegisters(ctx);
Logger_DumpBacktrace(&msg, ctx);
Logger_DumpMisc(ctx);
if (logStream.Meta.File) File_Close(logFile);
msg.buffer[msg.length] = '\0';
Window_ShowDialog("We're sorry", msg.buffer);
Process_Exit(result);
}
void Logger_Abort(const char* raw_msg) { Logger_Abort2(0, raw_msg); }