Fix PowerPC segfault.

The segfault fix was originally developed by our upstream, sqlite.org,
to address S/390 and Sparc segfaults, both of which are big endian.
Our PowerPC is also big endian, which this patch also fixes.

Reported by:	Mark Millard <marklmi at yahoo.com>
Tested by:	Mark Millard <marklmi at yahoo.com>
Obtained from:	https://www.sqlite.org/src/vinfo/04885763c4cd00cb?diff=1
		https://sqlite.org/forum/forumpost/672291a5b2
MFC after:	1 month
X-MFC with:	r360221, 360221
This commit is contained in:
cy 2020-04-23 14:08:40 +00:00
parent 9c7ac33549
commit 03ffd71cfd

View File

@ -121302,12 +121302,14 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks(
x = *sqlite3VdbeGetOp(v, addrConflictCk);
if( x.opcode!=OP_IdxRowid ){
int p2; /* New P2 value for copied conflict check opcode */
const char *zP4;
if( sqlite3OpcodeProperty[x.opcode]&OPFLG_JUMP ){
p2 = lblRecheckOk;
}else{
p2 = x.p2;
}
sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, x.p4.z, x.p4type);
zP4 = x.p4type==P4_INT32 ? SQLITE_INT_TO_PTR(x.p4.i) : x.p4.z;
sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, zP4, x.p4type);
sqlite3VdbeChangeP5(v, x.p5);
VdbeCoverageIf(v, p2!=x.p2);
}