Displaying 7 results from an estimated 7 matches for "debug_user_sig_handl".
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debug_user_sig_handler
2009 Dec 19
3
[LLVMdev] [PATCH] Implement dbgs()
...ve last N characters of debug
> > output "
>
> How about "Buffer the last N characters of debug output until program
> termination". This should probably also be cl::Hidden.
Ok.
> > +// Signal handlers - dump debug output on termination.
> > +static void debug_user_sig_handler(void *Cookie)
> > +{
> > + llvm::circular_raw_ostream *logout =
> > + dynamic_cast<llvm::circular_raw_ostream *>(&llvm::dbgs());
>
> Please do not use dynamic_cast, we're trying to eliminate the last
> RTTI use in the compiler.
Do you want me to use d...
2009 Dec 18
2
[LLVMdev] [PATCH] Implement dbgs()
...static struct DebugOnlyOpt {
void operator=(const std::string &Val) const {
@@ -50,6 +62,16 @@
cl::Hidden, cl::value_desc("debug string"),
cl::location(DebugOnlyOptLoc), cl::ValueRequired);
+// Signal handlers - dump debug output on termination.
+static void debug_user_sig_handler(void *Cookie)
+{
+ llvm::circular_raw_ostream *logout =
+ dynamic_cast<llvm::circular_raw_ostream *>(&llvm::dbgs());
+ if (logout) {
+ logout->dumpLog();
+ }
+}
+
// isCurrentDebugType - Return true if the specified string is the debug type
// specified on the command line...
2009 Dec 19
0
[LLVMdev] [PATCH] Implement dbgs()
On Dec 18, 2009, at 6:36 PM, David Greene wrote:
>>> +// Signal handlers - dump debug output on termination.
>>> +static void debug_user_sig_handler(void *Cookie)
>>> +{
>>> + llvm::circular_raw_ostream *logout =
>>> + dynamic_cast<llvm::circular_raw_ostream *>(&llvm::dbgs());
>>
>> Please do not use dynamic_cast, we're trying to eliminate the last
>> RTTI use in the compiler.
&g...
2009 Dec 21
2
[LLVMdev] [PATCH] Implement dbgs()
...static struct DebugOnlyOpt {
void operator=(const std::string &Val) const {
@@ -50,6 +63,18 @@
cl::Hidden, cl::value_desc("debug string"),
cl::location(DebugOnlyOptLoc), cl::ValueRequired);
+// Signal handlers - dump debug output on termination.
+static void debug_user_sig_handler(void *Cookie)
+{
+ // This is a bit sneaky. Since this is under #ifndef NDEBUG, we
+ // know that debug mode is enabled and dbgs() really is a
+ // circular_raw_ostream. If NDEBUG is defined, then dbgs() ==
+ // errs() but this will never be invoked.
+ llvm::circular_raw_ostream *dbgout =...
2009 Dec 19
0
[LLVMdev] [PATCH] Implement dbgs()
...llvm::cl::desc("Save last N characters of debug
> output "
How about "Buffer the last N characters of debug output until program
termination". This should probably also be cl::Hidden.
> +// Signal handlers - dump debug output on termination.
> +static void debug_user_sig_handler(void *Cookie)
> +{
> + llvm::circular_raw_ostream *logout =
> + dynamic_cast<llvm::circular_raw_ostream *>(&llvm::dbgs());
Please do not use dynamic_cast, we're trying to eliminate the last
RTTI use in the compiler.
> +/// dbgs - Return a circular-buffered debug...
2009 Dec 21
0
[LLVMdev] [PATCH] Implement dbgs()
On 2009-12-21 18:06, David Greene wrote:
> On Saturday 19 December 2009 00:16, Chris Lattner wrote:
>
>
>>> Or I think I can just assume (Yikes!) that if the signal handler is
>>> invoked it will really be a circular_raw_ostream since the handler
>>> should (!) only be set up in debug mode.
>>>
>>> That scares me a bit, though.
>>>
2009 Dec 21
2
[LLVMdev] [PATCH] Implement dbgs()
...static struct DebugOnlyOpt {
void operator=(const std::string &Val) const {
@@ -50,6 +63,18 @@
cl::Hidden, cl::value_desc("debug string"),
cl::location(DebugOnlyOptLoc), cl::ValueRequired);
+// Signal handlers - dump debug output on termination.
+static void debug_user_sig_handler(void *Cookie)
+{
+ // This is a bit sneaky. Since this is under #ifndef NDEBUG, we
+ // know that debug mode is enabled and dbgs() really is a
+ // circular_raw_ostream. If NDEBUG is defined, then dbgs() ==
+ // errs() but this will never be invoked.
+ llvm::circular_raw_ostream *dbgout =...