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cacher: fix segv if oplineinfo is used for !__FILE__ !__DIR__ 

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@779 c26eb9a1-5813-0410-bd6c-c2e55f420ca7
This commit is contained in:
Xuefer 2011-04-22 07:51:38 +00:00
parent ed71049c18
commit 366864483b
2 changed files with 37 additions and 0 deletions
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4
processor/head.m4
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@ -72,6 +72,10 @@ struct _xc_processor_t {
const zend_class_entry *cache_ce;
zend_uint cache_class_index;
#ifndef NDEBUG
const zend_op_array *active_op_array_src;
zend_op_array *active_op_array_dst;
#endif
const zend_op *active_opcodes_src;
zend_op *active_opcodes_dst;
const zend_class_entry *active_class_entry_src;

33
processor/processor.m4
View File

@ -611,7 +611,9 @@ DEF_STRUCT_P_FUNC(`zend_op', , `dnl {{{
case ZEND_GOTO:
#endif
case ZEND_JMP:
assert(Z_OP(src->op1).jmp_addr > processor->active_opcodes_src && Z_OP(src->op1).jmp_addr - processor->active_opcodes_src < processor->active_op_array_src->last);
Z_OP(dst->op1).jmp_addr = processor->active_opcodes_dst + (Z_OP(src->op1).jmp_addr - processor->active_opcodes_src);
assert(Z_OP(dst->op1).jmp_addr > processor->active_opcodes_dst && Z_OP(dst->op1).jmp_addr - processor->active_opcodes_dst < processor->active_op_array_dst->last);
break;
case ZEND_JMPZ:
@ -621,7 +623,9 @@ DEF_STRUCT_P_FUNC(`zend_op', , `dnl {{{
#ifdef ZEND_JMP_SET
case ZEND_JMP_SET:
#endif
assert(Z_OP(src->op2).jmp_addr > processor->active_opcodes_src && Z_OP(src->op2).jmp_addr - processor->active_opcodes_src < processor->active_op_array_src->last);
Z_OP(dst->op2).jmp_addr = processor->active_opcodes_dst + (Z_OP(src->op2).jmp_addr - processor->active_opcodes_src);
assert(Z_OP(dst->op2).jmp_addr > processor->active_opcodes_dst && Z_OP(dst->op2).jmp_addr - processor->active_opcodes_dst < processor->active_op_array_dst->last);
break;
default:
@ -667,8 +671,33 @@ DEF_STRUCT_P_FUNC(`zend_op_array', , `dnl {{{
IFRESTORE(`dst->filename = processor->entry_src->filepath;')
#ifndef ZEND_ENGINE_2_4
if (op_array_info->oplineinfo_cnt) {
zend_op *opline, *end;
gc_opcodes = 1;
COPY_N_EX(last, zend_op, opcodes)
for (opline = dst->opcodes, end = opline + src->last; opline < end; ++opline) {
switch (opline->opcode) {
#ifdef ZEND_GOTO
case ZEND_GOTO:
#endif
case ZEND_JMP:
Z_OP(opline->op1).jmp_addr = dst->opcodes + (Z_OP(opline->op1).jmp_addr - src->opcodes);
break;
case ZEND_JMPZ:
case ZEND_JMPNZ:
case ZEND_JMPZ_EX:
case ZEND_JMPNZ_EX:
#ifdef ZEND_JMP_SET
case ZEND_JMP_SET:
#endif
Z_OP(opline->op2).jmp_addr = dst->opcodes + (Z_OP(opline->op2).jmp_addr - src->opcodes);
break;
default:
break;
}
}
}
#endif
if (gc_arg_info || gc_opcodes) {
@ -742,6 +771,10 @@ DEF_STRUCT_P_FUNC(`zend_op_array', , `dnl {{{
IFSTORE(`dst->refcount[0] = 1;')
pushdef(`AFTER_ALLOC', `IFCOPY(`
#ifndef NDEBUG
processor->active_op_array_dst = dst;
processor->active_op_array_src = src;
#endif
processor->active_opcodes_dst = dst->opcodes;
processor->active_opcodes_src = src->opcodes;
')')