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Move stack tracing to it's own function

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This commit is contained in:
Alex 2022-11-01 01:52:57 +02:00
parent 52f0879a72
commit 59f4470fb4
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 47 additions and 40 deletions
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87
Core/CrashHandler.cpp
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@ -42,6 +42,52 @@ void UserModeExceptionHandler(CPU::x64::TrapFrame *Frame);
namespace CrashHandler namespace CrashHandler
{ {
struct StackFrame
{
struct StackFrame *rbp;
uint64_t rip;
};
__attribute__((no_stack_protector)) void TraceFrames(CPU::x64::TrapFrame *Frame, int Count)
{
struct StackFrame *frames = (struct StackFrame *)Frame->rbp; // (struct StackFrame *)__builtin_frame_address(0);
debug("Stack tracing...");
EHPrint("\e7981FC\nStack Trace:\n");
if (!frames || !frames->rip || !frames->rbp)
{
EHPrint("\e2565CC%p", (void *)Frame->rip);
EHPrint("\e7925CC-");
EHPrint("\eAA25C%s", KernelSymbolTable->GetSymbolFromAddress(Frame->rip));
EHPrint("\e7981FC <- Exception");
EHPrint("\eFF0000\n< No stack trace available. >\n");
}
else
{
EHPrint("\e2565CC%p", (void *)Frame->rip);
EHPrint("\e7925CC-");
if (Frame->rip >= 0xFFFFFFFF80000000 && Frame->rip <= (uint64_t)&_kernel_end)
EHPrint("\eAA25CC%s", KernelSymbolTable->GetSymbolFromAddress(Frame->rip));
else
EHPrint("Outside Kernel");
EHPrint("\e7981FC <- Exception");
for (int frame = 0; frame < Count; ++frame)
{
if (!frames->rip)
break;
EHPrint("\n\e2565CC%p", (void *)frames->rip);
EHPrint("\e7925CC-");
if (frames->rip >= 0xFFFFFFFF80000000 && frames->rip <= (uint64_t)&_kernel_end)
EHPrint("\e25CCC9%s", KernelSymbolTable->GetSymbolFromAddress(frames->rip));
else
EHPrint("\eFF4CA9Outside Kernel");
if (Frame->rip >= 0xFFFFFFFFFFFFFFF0 || Frame->rip <= 0xFF)
return;
frames = frames->rbp;
}
}
}
__attribute__((no_stack_protector)) void printfWrapper(char c, void *unused) __attribute__((no_stack_protector)) void printfWrapper(char c, void *unused)
{ {
Display->Print(c, 255, true); Display->Print(c, 255, true);
@ -291,46 +337,7 @@ namespace CrashHandler
: :
: "r"(dr7)); : "r"(dr7));
struct StackFrame TraceFrames(Frame, 20);
{
struct StackFrame *rbp;
uint64_t rip;
};
struct StackFrame *frames = (struct StackFrame *)Frame->rbp; // (struct StackFrame *)__builtin_frame_address(0);
debug("Stack tracing...");
EHPrint("\e7981FC\nStack Trace:\n");
if (!frames || !frames->rip || !frames->rbp)
{
EHPrint("\e2565CC%p", (void *)Frame->rip);
EHPrint("\e7925CC-");
EHPrint("\eAA25C%s", KernelSymbolTable->GetSymbolFromAddress(Frame->rip));
EHPrint("\e7981FC <- Exception");
EHPrint("\eFF0000\n< No stack trace available. >\n");
}
else
{
EHPrint("\e2565CC%p", (void *)Frame->rip);
EHPrint("\e7925CC-");
if (Frame->rip >= 0xFFFFFFFF80000000 && Frame->rip <= (uint64_t)&_kernel_end)
EHPrint("\eAA25CC%s", KernelSymbolTable->GetSymbolFromAddress(Frame->rip));
else
EHPrint("Outside Kernel");
EHPrint("\e7981FC <- Exception");
for (uint64_t frame = 0; frame < 20; ++frame)
{
if (!frames->rip)
break;
EHPrint("\n\e2565CC%p", (void *)frames->rip);
EHPrint("\e7925CC-");
if (frames->rip >= 0xFFFFFFFF80000000 && frames->rip <= (uint64_t)&_kernel_end)
EHPrint("\e25CCC9%s", KernelSymbolTable->GetSymbolFromAddress(frames->rip));
else
EHPrint("\eFF4CA9Outside Kernel");
frames = frames->rbp;
}
}
goto CrashEnd; goto CrashEnd;
#elif defined(__i386__) #elif defined(__i386__)