Separate P4 timing asm code out of the SQLITE_DEBUG macro so that SQLITE_DEBUG

can be used on non-x86 machines and with compilers other than GCC.
Ticket #838. (CVS 1876)

FossilOrigin-Name: add266ccc3146fa56572d109e84c8a79dc3df2ca

manifest

@@ -1,5 +1,5 @@
-C Separate\sthe\sifdefs\sfor\sINTPTR_TYPE\sand\sUINTPTR_TYPE\sin\ssqliteInt.h.\s(CVS\s1875)
+C Separate\sP4\stiming\sasm\scode\sout\sof\sthe\sSQLITE_DEBUG\smacro\sso\sthat\sSQLITE_DEBUG\ncan\sbe\sused\son\snon-x86\smachines\sand\swith\scompilers\sother\sthan\sGCC.\nTicket\s#838.\s(CVS\s1876)
-D 2004-08-04T14:29:23
+D 2004-08-04T14:44:34
 F Makefile.in 4a5e570a9e2d35b09c31b3cf01b78cea764ade4b
 F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
 F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@@ -42,12 +42,12 @@ F src/legacy.c ad23746f15f67e34577621b1875f639c94839e1f
 F src/main.c 41da595846e299b757cc413d18de804f97f68748
 F src/md5.c 7ae1c39044b95de2f62e066f47bb1deb880a1070
 F src/os.h d1780e0db95cad01f213d48da22ab490eb4fd345
-F src/os_common.h fe9604754116bd2f2702d58f82d2d8b89998cb21
+F src/os_common.h cd7eb025fdab7dc91e0e97bf6310f1648205857f
 F src/os_mac.c 3d31e26be1411acfb7961033098631b4f3486fdf
 F src/os_mac.h 51d2445f47e182ed32d3bd6937f81070c6fd9bd4
 F src/os_test.c 6bf10100de2ca199a91fe7ac6474561c8a7166ae
 F src/os_test.h 6a26a4978492e4bbdbf385554958418ff02db162
-F src/os_unix.c 02a08065f90ca2737514cdc19d60eb3c4b98fa6b
+F src/os_unix.c d084e3443211e1556f1a33fe48580e135facbcf7
 F src/os_unix.h f3097815e041e82e24d92505e1ff61ba24172d13
 F src/os_win.c 54181eb73cb4783c4241feca9eaa490768b39008
 F src/os_win.h babd4e912967c6b09088cfe38a45e8005a07ba44
@@ -240,7 +240,7 @@ F www/tclsqlite.tcl 06a86cba4d7fc88e2bcd633b57702d3d16abebb5
 F www/vdbe.tcl 59288db1ac5c0616296b26dce071c36cb611dfe9
 F www/version3.tcl 092a01f5ef430d2c4acc0ae558d74c4bb89638a0
 F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
-P 7ecff04a6153aa200233e6c0846a65e0213c3179
+P 4e7953c13fd2cb32e5c97737c4b2f99b1b1edc9b
-R bb7c51783ef3b73e24fdafb73590b839
+R 32ad53e3950d031bf8dd62a53bdface5
 U drh
-Z 5df9b4b7e13f1695014f4ed2b1c6b64b
+Z 06402d986b3876ed10b4e307c21b4abe

manifest.uuid

@@ -1 +1 @@
-4e7953c13fd2cb32e5c97737c4b2f99b1b1edc9b
+add266ccc3146fa56572d109e84c8a79dc3df2ca

src/os_common.h

@@ -18,14 +18,44 @@
 ** general purpose header file.
 */
 
+/*
+** At least two bugs have slipped in because we changed the MEMORY_DEBUG
+** macro to SQLITE_DEBUG and some older makefiles have not yet made the
+** switch.  The following code should catch this problem at compile-time.
+*/
+#ifdef MEMORY_DEBUG
+# error "The MEMORY_DEBUG macro is obsolete.  Use SQLITE_DEBUG instead."
+#endif
+
+
+int sqlite3_os_trace = 0;
+#ifdef SQLITE_DEBUG
+static int last_page = 0;
+#define SEEK(X)           last_page=(X)
+#define TRACE1(X)         if( sqlite3_os_trace ) sqlite3DebugPrintf(X)
+#define TRACE2(X,Y)       if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y)
+#define TRACE3(X,Y,Z)     if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z)
+#define TRACE4(X,Y,Z,A)   if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A)
+#define TRACE5(X,Y,Z,A,B) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A,B)
+#define TRACE6(X,Y,Z,A,B,C) if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C)
+#define TRACE7(X,Y,Z,A,B,C,D) \
+    if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C,D)
+#else
+#define SEEK(X)
+#define TRACE1(X)
+#define TRACE2(X,Y)
+#define TRACE3(X,Y,Z)
+#define TRACE4(X,Y,Z,A)
+#define TRACE5(X,Y,Z,A,B)
+#define TRACE6(X,Y,Z,A,B,C)
+#define TRACE7(X,Y,Z,A,B,C,D)
+#endif
 
 /*
 ** Macros for performance tracing.  Normally turned off.  Only works
 ** on i486 hardware.
 */
-int sqlite3_os_trace = 0;
+#ifdef SQLITE_PERFORMANCE_TRACE
-#ifdef SQLITE_DEBUG
-static int last_page = 0;
 __inline__ unsigned long long int hwtime(void){
   unsigned long long int x;
   __asm__("rdtsc\n\t"
@@ -37,29 +67,13 @@ static unsigned long long int g_start;
 static unsigned int elapse;
 #define TIMER_START       g_start=hwtime()
 #define TIMER_END         elapse=hwtime()-g_start
-#define SEEK(X)           last_page=(X)
+#define TIMER_ELAPSED     elapse
-#define TRACE1(X)         if( sqlite3_os_trace ) sqlite3DebugPrintf(X)
-#define TRACE2(X,Y)       if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y)
-#define TRACE3(X,Y,Z)     if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z)
-#define TRACE4(X,Y,Z,A)   if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A)
-#define TRACE5(X,Y,Z,A,B) if( sqlite3_os_trace ) sqlite3DebugPrintf(X,Y,Z,A,B)
-#define TRACE6(X,Y,Z,A,B,C) if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C)
-#define TRACE7(X,Y,Z,A,B,C,D) \
-    if(sqlite3_os_trace) sqlite3DebugPrintf(X,Y,Z,A,B,C,D)
 #else
 #define TIMER_START
 #define TIMER_END
-#define SEEK(X)
+#define TIMER_ELAPSED     0
-#define TRACE1(X)
-#define TRACE2(X,Y)
-#define TRACE3(X,Y,Z)
-#define TRACE4(X,Y,Z,A)
-#define TRACE5(X,Y,Z,A,B)
-#define TRACE6(X,Y,Z,A,B,C)
-#define TRACE7(X,Y,Z,A,B,C,D)
 #endif
 
-
 /*
 ** If we compile with the SQLITE_TEST macro set, then the following block
 ** of code will give us the ability to simulate a disk I/O error.  This

src/os_unix.c

@@ -617,7 +617,7 @@ int sqlite3OsRead(OsFile *id, void *pBuf, int amt){
   TIMER_START;
   got = read(id->h, pBuf, amt);
   TIMER_END;
-  TRACE4("READ    %-3d %7d %d\n", id->h, last_page, elapse);
+  TRACE4("READ    %-3d %7d %d\n", id->h, last_page, TIMER_ELAPSED);
   SEEK(0);
   /* if( got<0 ) got = 0; */
   if( got==amt ){
@@ -641,7 +641,7 @@ int sqlite3OsWrite(OsFile *id, const void *pBuf, int amt){
     pBuf = &((char*)pBuf)[wrote];
   }
   TIMER_END;
-  TRACE4("WRITE   %-3d %7d %d\n", id->h, last_page, elapse);
+  TRACE4("WRITE   %-3d %7d %d\n", id->h, last_page, TIMER_ELAPSED);
   SEEK(0);
   if( amt>0 ){
     return SQLITE_FULL;