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Add a logging mechanism to make it easier to debug the 65816 code.

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This commit is contained in:
Jeremy Rand 2015-07-28 00:18:06 -04:00
parent 39070eb1d0
commit 6bfb66385d
2 changed files with 39 additions and 0 deletions
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12
lib/Target/WDC65816/WDC65816.h
View File

@ -19,6 +19,16 @@
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetMachine.h"
#define WDC_DEBUG // This is a debug build option which enables logging and perhaps more in the future.
#ifdef WDC_DEBUG
#define WDC_LOG(...) llvm::logWDCMessage(__FILE__, __func__, __LINE__, __VA_ARGS__)
#else
#define WDC_LOG(...)
#endif
namespace llvm {
class FunctionPass;
class WDC65816TargetMachine;
@ -26,6 +36,8 @@ namespace llvm {
FunctionPass *createWDC65816ISelDag(WDC65816TargetMachine &TM);
void logWDCMessage(const char *file, const char *function, unsigned int linenum, const char *format, ...);
} // end namespace llvm;
namespace llvm {

27
lib/Target/WDC65816/WDC65816TargetMachine.cpp
View File

@ -10,6 +10,9 @@
//
//===----------------------------------------------------------------------===//
#include <sys/time.h>
#include "WDC65816TargetMachine.h"
#include "WDC65816.h"
#include "llvm/CodeGen/Passes.h"
@ -21,6 +24,7 @@ using namespace llvm;
extern "C" void LLVMInitializeWDC65816Target() {
// Register the target.
RegisterTargetMachine<WDC65816TargetMachine> X(TheWDC65816Target);
WDC_LOG("Registered the target machine");
}
/// WDC65816TargetMachine ctor
@ -70,3 +74,26 @@ bool WDC65816PassConfig::addInstSelector() {
bool WDC65816PassConfig::addPreEmitPass(){
return false;
}
void llvm::logWDCMessage(const char *file, const char *function, unsigned int linenum, const char *format, ...)
{
char timebuf[64];
va_list args;
struct timeval now;
const char *filename = strrchr(file, '/');
if (filename != NULL)
filename++;
else
filename = file;
gettimeofday(&now, NULL);
strftime(timebuf, sizeof(timebuf), "%T", localtime(&(now.tv_sec)));
va_start(args, format);
fprintf(stderr, "| WDCLog | %s.%06u | %s:%u | %s | ", timebuf, now.tv_usec, filename, linenum, function);
vfprintf(stderr, format, args);
fprintf(stderr, " |\n");
va_end (args);
}