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- Removed some unnecessary DbgPrints from the fatal exception path; ignore

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the breakpoint in the tail of KeBugCheckEx/KeBugCheckWithTf if no debugger
is connected.

svn path=/trunk/; revision=8551
This commit is contained in:
David Welch 2004-03-06 22:24:14 +00:00
parent 957b856245
commit b041530f2d
4 changed files with 35 additions and 15 deletions
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10
reactos/ntoskrnl/ke/bug.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: bug.c,v 1.41 2003/12/30 18:52:04 fireball Exp $ /* $Id: bug.c,v 1.42 2004/03/06 22:24:13 dwelch Exp $
* *
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/bug.c * FILE: ntoskrnl/ke/bug.c
@ -163,11 +163,11 @@ KeBugCheckWithTf(ULONG BugCheckCode,
{ {
#if defined(__GNUC__) #if defined(__GNUC__)
__asm__("sti\n\t"); __asm__("sti\n\t");
DbgBreakPoint(); DbgBreakPointNoBugCheck();
__asm__("cli\n\t"); __asm__("cli\n\t");
#elif defined(_MSC_VER) #elif defined(_MSC_VER)
__asm sti __asm sti
DbgBreakPoint(); DbgBreakPointNoBugCheck();
__asm cli __asm cli
#else #else
#error Unknown compiler for inline assembler #error Unknown compiler for inline assembler
@ -293,11 +293,11 @@ KeBugCheckEx(ULONG BugCheckCode,
{ {
#if defined(__GNUC__) #if defined(__GNUC__)
__asm__("sti\n\t"); __asm__("sti\n\t");
DbgBreakPoint(); DbgBreakPointNoBugCheck();
__asm__("cli\n\t"); __asm__("cli\n\t");
#elif defined(_MSC_VER) #elif defined(_MSC_VER)
__asm sti __asm sti
DbgBreakPoint(); DbgBreakPointNoBugCheck();
__asm cli __asm cli
#else #else
#error Unknown compiler for inline assembler #error Unknown compiler for inline assembler

8
reactos/ntoskrnl/ke/catch.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: catch.c,v 1.39 2003/12/30 18:52:04 fireball Exp $ /* $Id: catch.c,v 1.40 2004/03/06 22:24:13 dwelch Exp $
* *
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/catch.c * FILE: ntoskrnl/ke/catch.c
@ -163,9 +163,9 @@ KiDispatchException(PEXCEPTION_RECORD ExceptionRecord,
if (Value != ExceptionContinueExecution || if (Value != ExceptionContinueExecution ||
0 != (ExceptionRecord->ExceptionFlags & EXCEPTION_NONCONTINUABLE)) 0 != (ExceptionRecord->ExceptionFlags & EXCEPTION_NONCONTINUABLE))
{ {
DbgPrint("ExceptionRecord->ExceptionAddress = 0x%x\n", DPRINT("ExceptionRecord->ExceptionAddress = 0x%x\n",
ExceptionRecord->ExceptionAddress ); ExceptionRecord->ExceptionAddress );
KEBUGCHECKWITHTF(KMODE_EXCEPTION_NOT_HANDLED, 0, 0, 0, 0, Tf); KeBugCheckWithTf(KMODE_EXCEPTION_NOT_HANDLED, 0, 0, 0, 0, Tf);
} }
} }
} }

10
reactos/ntoskrnl/ke/i386/brkpoint.c
View file

@ -46,6 +46,16 @@ DbgBreakPoint(VOID)
#endif #endif
} }
/*
* @implemented
*/
#if defined(__GNUC__)
__asm__(".globl _DbgBreakPointNoBugCheck@0\n\t"
"_DbgBreakPointNoBugCheck@0:\n\t"
"int $3\n\t"
"ret\n\t");
#endif
/* /*
* @implemented * @implemented
*/ */

22
reactos/ntoskrnl/ke/i386/exp.c
View file

@ -288,8 +288,8 @@ KiDoubleFaultHandler(VOID)
OldTss->Fs, OldTss->Gs); OldTss->Fs, OldTss->Gs);
DbgPrint("EAX: %.8x EBX: %.8x ECX: %.8x\n", OldTss->Eax, OldTss->Ebx, DbgPrint("EAX: %.8x EBX: %.8x ECX: %.8x\n", OldTss->Eax, OldTss->Ebx,
OldTss->Ecx); OldTss->Ecx);
DbgPrint("EDX: %.8x EBP: %.8x ESI: %.8x\n", OldTss->Edx, OldTss->Ebp, DbgPrint("EDX: %.8x EBP: %.8x ESI: %.8x\n ESP: %.8x", OldTss->Edx,
OldTss->Esi); OldTss->Ebp, OldTss->Esi, Esp0);
DbgPrint("EDI: %.8x EFLAGS: %.8x ", OldTss->Edi, OldTss->Eflags); DbgPrint("EDI: %.8x EFLAGS: %.8x ", OldTss->Edi, OldTss->Eflags);
if (OldTss->Cs == KERNEL_CS) if (OldTss->Cs == KERNEL_CS)
{ {
@ -307,7 +307,6 @@ KiDoubleFaultHandler(VOID)
} }
if ((OldTss->Cs & 0xffff) == KERNEL_CS) if ((OldTss->Cs & 0xffff) == KERNEL_CS)
{ {
DbgPrint("ESP %x\n", Esp0);
if (PsGetCurrentThread() != NULL) if (PsGetCurrentThread() != NULL)
{ {
StackLimit = (ULONG)PsGetCurrentThread()->Tcb.StackBase; StackLimit = (ULONG)PsGetCurrentThread()->Tcb.StackBase;
@ -468,7 +467,8 @@ KiDumpTrapFrame(PKTRAP_FRAME Tf, ULONG Parameter1, ULONG Parameter2)
DbgPrint("DS %x ES %x FS %x GS %x\n", Tf->Ds&0xffff, Tf->Es&0xffff, DbgPrint("DS %x ES %x FS %x GS %x\n", Tf->Ds&0xffff, Tf->Es&0xffff,
Tf->Fs&0xffff, Tf->Gs&0xfff); Tf->Fs&0xffff, Tf->Gs&0xfff);
DbgPrint("EAX: %.8x EBX: %.8x ECX: %.8x\n", Tf->Eax, Tf->Ebx, Tf->Ecx); DbgPrint("EAX: %.8x EBX: %.8x ECX: %.8x\n", Tf->Eax, Tf->Ebx, Tf->Ecx);
DbgPrint("EDX: %.8x EBP: %.8x ESI: %.8x\n", Tf->Edx, Tf->Ebp, Tf->Esi); DbgPrint("EDX: %.8x EBP: %.8x ESI: %.8x ESP: %.8x\n", Tf->Edx,
Tf->Ebp, Tf->Esi, Esp0);
DbgPrint("EDI: %.8x EFLAGS: %.8x ", Tf->Edi, Tf->Eflags); DbgPrint("EDI: %.8x EFLAGS: %.8x ", Tf->Edi, Tf->Eflags);
if ((Tf->Cs&0xffff) == KERNEL_CS) if ((Tf->Cs&0xffff) == KERNEL_CS)
{ {
@ -481,8 +481,6 @@ KiDumpTrapFrame(PKTRAP_FRAME Tf, ULONG Parameter1, ULONG Parameter2)
} }
} }
DbgPrint("ESP %x\n", Esp0);
if (PsGetCurrentThread() != NULL) if (PsGetCurrentThread() != NULL)
{ {
StackLimit = (ULONG)PsGetCurrentThread()->Tcb.StackBase; StackLimit = (ULONG)PsGetCurrentThread()->Tcb.StackBase;
@ -594,6 +592,18 @@ KiTrapHandler(PKTRAP_FRAME Tf, ULONG ExceptionNr)
} }
} }
/*
* Check for a breakpoint that was only for the attention of the debugger.
*/
if (ExceptionNr == 3 && Tf->Eip == ((ULONG)DbgBreakPointNoBugCheck) + 1)
{
/*
EIP is already adjusted by the processor to point to the instruction
after the breakpoint.
*/
return(0);
}
/* /*
* Handle user exceptions differently * Handle user exceptions differently
*/ */