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The spurious debug exception sometimes comes very often in QEMU - it's now only

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printed when tracing is turned on.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14634 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2005-11-02 12:41:44 +00:00
parent a08cbb1fa8
commit 06be24a748
1 changed files with 2 additions and 6 deletions
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src/system/kernel/arch/x86/arch_user_debugger.cpp
+2 -6
View File
@@ -442,7 +442,6 @@ i386_handle_debug_exception(struct iframe *frame)
user_debug_watchpoint_hit(); user_debug_watchpoint_hit();
else else
user_debug_breakpoint_hit(false); user_debug_breakpoint_hit(false);
} else if (dr6 & (1 << X86_DR6_BD)) { } else if (dr6 & (1 << X86_DR6_BD)) {
// general detect exception // general detect exception
// Occurs only, if GD in DR7 is set (which we don't do) and someone // Occurs only, if GD in DR7 is set (which we don't do) and someone
@@ -451,7 +450,6 @@ i386_handle_debug_exception(struct iframe *frame)
"detect exception\n"); "detect exception\n");
enable_interrupts(); enable_interrupts();
} else if ((dr6 & (1 << X86_DR6_BS)) || sQEmuSingleStepHack) { } else if ((dr6 & (1 << X86_DR6_BS)) || sQEmuSingleStepHack) {
// single step // single step
@@ -459,7 +457,6 @@ i386_handle_debug_exception(struct iframe *frame)
enable_interrupts(); enable_interrupts();
user_debug_single_stepped(); user_debug_single_stepped();
} else if (dr6 & (1 << X86_DR6_BT)) { } else if (dr6 & (1 << X86_DR6_BT)) {
// task switch // task switch
// Occurs only, if T in EFLAGS is set (which we don't do). // Occurs only, if T in EFLAGS is set (which we don't do).
@@ -467,10 +464,9 @@ i386_handle_debug_exception(struct iframe *frame)
"exception\n"); "exception\n");
enable_interrupts(); enable_interrupts();
} else { } else {
dprintf("i386_handle_debug_exception(): ignoring spurious debug " TRACE(("i386_handle_debug_exception(): ignoring spurious debug "
"exception (no condition recognized)\n"); "exception (no condition recognized)\n"));
enable_interrupts(); enable_interrupts();
} }