diff --git a/sqlite-3.6.12-memalign.patch b/sqlite-3.6.12-memalign.patch new file mode 100644 index 0000000..f58609c --- /dev/null +++ b/sqlite-3.6.12-memalign.patch @@ -0,0 +1,204 @@ +--------------------- +PatchSet 6171 +Date: 2009/04/05 15:22:09 +Author: drh +Branch: HEAD +Tag: (none) +Branches: +Log: +Additional code to make sure and to assert that memory allocations have +8-byte alignment. Ticket #3777. + +Members: + src/btree.c:1.589->1.590 + src/memjournal.c:1.10->1.11 + src/pager.c:1.577->1.578 + src/sqliteInt.h:1.850->1.851 + src/vdbeaux.c:1.446->1.447 + src/vdbemem.c:1.139->1.140 + +Index: sqlite/src/btree.c +diff -u sqlite/src/btree.c:1.589 sqlite/src/btree.c:1.590 +--- sqlite/src/btree.c:1.589 Thu Apr 2 20:16:59 2009 ++++ sqlite/src/btree.c Sun Apr 5 12:22:09 2009 +@@ -5357,13 +5357,13 @@ + } + szCell = (u16*)&apCell[nMaxCells]; + aCopy[0] = (u8*)&szCell[nMaxCells]; +- assert( ((aCopy[0] - (u8*)0) & 7)==0 ); /* 8-byte alignment required */ ++ assert( EIGHT_BYTE_ALIGNMENT(aCopy[0]) ); + for(i=1; ipageSize+ROUND8(sizeof(MemPage))]; + assert( ((aCopy[i] - (u8*)0) & 7)==0 ); /* 8-byte alignment required */ + } + aSpace1 = &aCopy[NB-1][pBt->pageSize+ROUND8(sizeof(MemPage))]; +- assert( ((aSpace1 - (u8*)0) & 7)==0 ); /* 8-byte alignment required */ ++ assert( EIGHT_BYTE_ALIGNMENT(aSpace1) ); + if( ISAUTOVACUUM ){ + aFrom = &aSpace1[pBt->pageSize]; + } +Index: sqlite/src/memjournal.c +diff -u sqlite/src/memjournal.c:1.10 sqlite/src/memjournal.c:1.11 +--- sqlite/src/memjournal.c:1.10 Thu Apr 2 17:22:42 2009 ++++ sqlite/src/memjournal.c Sun Apr 5 12:22:09 2009 +@@ -237,6 +237,7 @@ + */ + void sqlite3MemJournalOpen(sqlite3_file *pJfd){ + MemJournal *p = (MemJournal *)pJfd; ++ assert( EIGHT_BYTE_ALIGNMENT(p) ); + memset(p, 0, sqlite3MemJournalSize()); + p->pMethod = &MemJournalMethods; + } +Index: sqlite/src/pager.c +diff -u sqlite/src/pager.c:1.577 sqlite/src/pager.c:1.578 +--- sqlite/src/pager.c:1.577 Sat Apr 4 15:53:48 2009 ++++ sqlite/src/pager.c Sun Apr 5 12:22:09 2009 +@@ -3114,9 +3114,9 @@ + ** source file journal.c). + */ + if( sqlite3JournalSize(pVfs)>sqlite3MemJournalSize() ){ +- journalFileSize = sqlite3JournalSize(pVfs); ++ journalFileSize = ROUND8(sqlite3JournalSize(pVfs)); + }else{ +- journalFileSize = sqlite3MemJournalSize(); ++ journalFileSize = ROUND8(sqlite3MemJournalSize()); + } + + /* Set the output variable to NULL in case an error occurs. */ +@@ -3172,23 +3172,25 @@ + ** Journal file name (nPathname+8+1 bytes) + */ + pPtr = (u8 *)sqlite3MallocZero( +- sizeof(*pPager) + /* Pager structure */ +- pcacheSize + /* PCache object */ +- pVfs->szOsFile + /* The main db file */ +- journalFileSize * 2 + /* The two journal files */ +- nPathname + 1 + /* zFilename */ +- nPathname + 8 + 1 /* zJournal */ ++ ROUND8(sizeof(*pPager)) + /* Pager structure */ ++ ROUND8(pcacheSize) + /* PCache object */ ++ ROUND8(pVfs->szOsFile) + /* The main db file */ ++ journalFileSize * 2 + /* The two journal files */ ++ nPathname + 1 + /* zFilename */ ++ nPathname + 8 + 1 /* zJournal */ + ); ++ assert( EIGHT_BYTE_ALIGNMENT(journalFileSize) ); + if( !pPtr ){ + sqlite3_free(zPathname); + return SQLITE_NOMEM; + } + pPager = (Pager*)(pPtr); +- pPager->pPCache = (PCache*)(pPtr += sizeof(*pPager)); +- pPager->fd = (sqlite3_file*)(pPtr += pcacheSize); +- pPager->sjfd = (sqlite3_file*)(pPtr += pVfs->szOsFile); ++ pPager->pPCache = (PCache*)(pPtr += ROUND8(sizeof(*pPager))); ++ pPager->fd = (sqlite3_file*)(pPtr += ROUND8(pcacheSize)); ++ pPager->sjfd = (sqlite3_file*)(pPtr += ROUND8(pVfs->szOsFile)); + pPager->jfd = (sqlite3_file*)(pPtr += journalFileSize); + pPager->zFilename = (char*)(pPtr += journalFileSize); ++ assert( EIGHT_BYTE_ALIGNMENT(pPager->jfd) ); + + /* Fill in the Pager.zFilename and Pager.zJournal buffers, if required. */ + if( zPathname ){ +Index: sqlite/src/sqliteInt.h +diff -u sqlite/src/sqliteInt.h:1.850 sqlite/src/sqliteInt.h:1.851 +--- sqlite/src/sqliteInt.h:1.850 Wed Apr 1 18:03:01 2009 ++++ sqlite/src/sqliteInt.h Sun Apr 5 12:22:09 2009 +@@ -456,6 +456,11 @@ + #define ROUNDDOWN8(x) ((x)&~7) + + /* ++** Assert that the pointer X is aligned to an 8-byte boundary. ++*/ ++#define EIGHT_BYTE_ALIGNMENT(X) ((((char*)(X) - (char*)0)&7)==0) ++ ++/* + ** An instance of the following structure is used to store the busy-handler + ** callback for a given sqlite handle. + ** +Index: sqlite/src/vdbeaux.c +diff -u sqlite/src/vdbeaux.c:1.446 sqlite/src/vdbeaux.c:1.447 +--- sqlite/src/vdbeaux.c:1.446 Wed Mar 25 15:43:09 2009 ++++ sqlite/src/vdbeaux.c Sun Apr 5 12:22:09 2009 +@@ -1023,6 +1023,7 @@ + u8 *pEnd, /* Pointer to 1 byte past the end of *ppFrom buffer */ + int *pnByte /* If allocation cannot be made, increment *pnByte */ + ){ ++ assert( EIGHT_BYTE_ALIGNMENT(*ppFrom) ); + if( (*(void**)pp)==0 ){ + nByte = ROUND8(nByte); + if( (pEnd - *ppFrom)>=nByte ){ +@@ -1096,6 +1097,8 @@ + if( isExplain && nMem<10 ){ + nMem = 10; + } ++ zCsr += (zCsr - (u8*)0)&7; ++ assert( EIGHT_BYTE_ALIGNMENT(zCsr) ); + + do { + memset(zCsr, 0, zEnd-zCsr); +Index: sqlite/src/vdbemem.c +diff -u sqlite/src/vdbemem.c:1.139 sqlite/src/vdbemem.c:1.140 +--- sqlite/src/vdbemem.c:1.139 Sun Mar 29 15:12:10 2009 ++++ sqlite/src/vdbemem.c Sun Apr 5 12:22:09 2009 +@@ -209,6 +209,7 @@ + assert( !(fg&(MEM_Str|MEM_Blob)) ); + assert( fg&(MEM_Int|MEM_Real) ); + assert( (pMem->flags&MEM_RowSet)==0 ); ++ assert( EIGHT_BYTE_ALIGNMENT(pMem) ); + + + if( sqlite3VdbeMemGrow(pMem, nByte, 0) ){ +@@ -345,6 +346,7 @@ + i64 sqlite3VdbeIntValue(Mem *pMem){ + int flags; + assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); ++ assert( EIGHT_BYTE_ALIGNMENT(pMem) ); + flags = pMem->flags; + if( flags & MEM_Int ){ + return pMem->u.i; +@@ -373,6 +375,7 @@ + */ + double sqlite3VdbeRealValue(Mem *pMem){ + assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); ++ assert( EIGHT_BYTE_ALIGNMENT(pMem) ); + if( pMem->flags & MEM_Real ){ + return pMem->r; + }else if( pMem->flags & MEM_Int ){ +@@ -403,6 +406,7 @@ + assert( pMem->flags & MEM_Real ); + assert( (pMem->flags & MEM_RowSet)==0 ); + assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); ++ assert( EIGHT_BYTE_ALIGNMENT(pMem) ); + + pMem->u.i = doubleToInt64(pMem->r); + if( pMem->r==(double)pMem->u.i ){ +@@ -416,6 +420,8 @@ + int sqlite3VdbeMemIntegerify(Mem *pMem){ + assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); + assert( (pMem->flags & MEM_RowSet)==0 ); ++ assert( EIGHT_BYTE_ALIGNMENT(pMem) ); ++ + pMem->u.i = sqlite3VdbeIntValue(pMem); + MemSetTypeFlag(pMem, MEM_Int); + return SQLITE_OK; +@@ -427,6 +433,8 @@ + */ + int sqlite3VdbeMemRealify(Mem *pMem){ + assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) ); ++ assert( EIGHT_BYTE_ALIGNMENT(pMem) ); ++ + pMem->r = sqlite3VdbeRealValue(pMem); + MemSetTypeFlag(pMem, MEM_Real); + return SQLITE_OK; +diff -u sqlite/src/vdbeaux.c:1.447 sqlite/src/vdbeaux.c:1.448 +--- sqlite/src/vdbeaux.c:1.447 Sun Apr 5 12:22:09 2009 ++++ sqlite/src/vdbeaux.c Mon Apr 6 11:11:43 2009 +@@ -1099,6 +1099,7 @@ + } + zCsr += (zCsr - (u8*)0)&7; + assert( EIGHT_BYTE_ALIGNMENT(zCsr) ); ++ if( zEnd - 3.6.12-3 +- apply upstream patch for memory alignment issue (#494906) + * Tue Apr 07 2009 Panu Matilainen - 3.6.12-2 - disable strict aliasing to work around brokenness on 3.6.12 (#494266) - run test-suite on build but let it fail for now