From f4291aac256622546a5a51dce109599007f5b3cb Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Fri, 30 Jan 2009 20:04:15 -0500
Subject: Errors: Print a URL with a hash of the format string to find more
 information about an error.

---
 src/base/misc.cc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/base')

diff --git a/src/base/misc.cc b/src/base/misc.cc
index b0c769ac6..035282baf 100644
--- a/src/base/misc.cc
+++ b/src/base/misc.cc
@@ -31,6 +31,7 @@
 #include <cstdlib>
 #include <iostream>
 #include <string>
+#include <zlib.h>
 
 #include "base/cprintf.hh"
 #include "base/hostinfo.hh"
@@ -68,15 +69,20 @@ __exit_message(const char *prefix, int code,
       default:
         format += "\n";
     }
+    
+    uint32_t crc = crc32(0, (const Bytef*)fmt, strlen(fmt));
 
     format += " @ cycle %d\n[%s:%s, line %d]\n";
     format += "Memory Usage: %ld KBytes\n";
+    format += "For more information see: http://www.m5sim.org/%s/%x\n";
 
     args.push_back(curTick);
     args.push_back(func);
     args.push_back(file);
     args.push_back(line);
     args.push_back(memUsage());
+    args.push_back(prefix);
+    args.push_back(crc);
 
     ccprintf(cerr, format.c_str(), args);
 
@@ -103,6 +109,8 @@ __base_message(std::ostream &stream, const char *prefix, bool verbose,
       default:
         format += "\n";
     }
+    
+    uint32_t crc = crc32(0, (const Bytef*)fmt, strlen(fmt));
 
     if (verbose) {
         format += " @ cycle %d\n[%s:%s, line %d]\n";
@@ -112,5 +120,11 @@ __base_message(std::ostream &stream, const char *prefix, bool verbose,
         args.push_back(line);
     }
 
+    if (strcmp(prefix, "warn") == 0) {
+        format += "For more information see: http://www.m5sim.org/%s/%x\n";
+        args.push_back(prefix);
+        args.push_back(crc);
+    }
+
     ccprintf(stream, format.c_str(), args);
 }
-- 
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