XCache is a fast, stable PHP opcode cacher that has been proven and is now running on production servers under high load.
https://xcache.lighttpd.net/
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285 lines
8.8 KiB
285 lines
8.8 KiB
divert(-1)
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dnl ================ start ======================
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dnl define(`XCACHE_ENABLE_TEST')
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dnl define(`DEBUG_SIZE')
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define(`USEMEMCPY')
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dnl ================ main
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dnl {{{ basic
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define(`REDEF', `ifdef(`$1', `undefine(`$1')') define(`$1', `$2')')
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define(`MAKE_MACRONAME', `translit(`$1', ` ():
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', `_____')')
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define(`ONCE', `ifdef(MAKE_MACRONAME(`ONCE $1'), `', `define(MAKE_MACRONAME(`ONCE $1'))$1')')
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define(`m4_errprint', `ONCE(`errprint(`$1
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')')')
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ifdef(`len', `
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define(`m4_len', defn(`len'))
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undefine(`len')
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')
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define(`ZEND_STRS', `($1), (sizeof($1))')
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define(`ZEND_STRL', `($1), (sizeof($1) - 1)')
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dnl ============
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define(`INDENT', `xc_dprint_indent(indent);')
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dnl }}}
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dnl {{{ ALLOC(1:dst, 2:type, 3:count=1, 4:clean=false, 5:forcetype=$2)
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define(`ALLOC', `
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pushdef(`COUNT', `ifelse(`$3', `', `1', `$3')')
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pushdef(`SIZE', `sizeof($2)ifelse(`$3', `', `', ` * $3')')
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pushdef(`FORCETYPE', `ifelse(`$5', , `$2', `$5')')
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/* allocate */
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IFCALC(`
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IFASSERT(`
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xc_stack_push(&processor->allocsizes, (void *) (long) (SIZE));
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xc_stack_push(&processor->allocsizes, (void *) (long) (__LINE__));
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')
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processor->size = (size_t) ALIGN(processor->size);
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processor->size += SIZE;
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')
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IFSTORE(`
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IFASSERT(`{
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if (!xc_stack_count(&processor->allocsizes)) {
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fprintf(stderr, "mismatch `$@' at line %d\n", __LINE__);
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}
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else {
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unsigned long expect = (unsigned long) xc_stack_pop(&processor->allocsizes);
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unsigned long atline = (unsigned long) xc_stack_pop(&processor->allocsizes);
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unsigned long real = SIZE;
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if (expect != real) {
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fprintf(stderr, "mismatch `$@' at line %d(was %lu): real %lu - expect %lu = %lu\n", __LINE__, atline, real, expect, real - expect);
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}
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}
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}')
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ifdef(`DEBUG_SIZE', ` {
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void *oldp = processor->p;
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')
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$1 = (FORCETYPE *) (processor->p = (char *) ALIGN(processor->p));
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ifelse(`$4', `', `
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IFASSERT(`memset($1, -1, SIZE);')
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', `
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memset($1, 0, SIZE);
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')
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processor->p += SIZE;
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ifdef(`DEBUG_SIZE', `
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xc_totalsize += (char *) processor->p - (char *) oldp;
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fprintf(stderr, "%d\t%d\t`'SIZE()\n", (char *) processor->p - (char *) oldp, xc_totalsize);
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}
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')
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')
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IFRESTORE(`ifelse(`$4', `', `
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ifelse(
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FORCETYPE*COUNT, `zval*1', `ALLOC_ZVAL($1);',
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FORCETYPE*COUNT, `HashTable*1', `ALLOC_HASHTABLE($1);',
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`', `', `$1 = (FORCETYPE *) emalloc(SIZE);')
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IFASSERT(`memset($1, -1, SIZE);')
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', `
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$1 = (FORCETYPE *) ecalloc(COUNT, sizeof($2));
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')
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')
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popdef(`COUNT')
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popdef(`SIZE')
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')
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dnl CALLOC(1:dst, 2:type [, 3:count=1 ])
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define(`CALLOC', `ALLOC(`$1', `$2', `$3', `1')')
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dnl }}}
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dnl {{{ PROC_INT(1:elm, 2:format=%d, 3:type=, 4:spec=)
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define(`PROC_INT', `
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IFNOTMEMCPY(`IFCOPY(`dst->$1 = src->$1;')')
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IFDPRINT(`
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INDENT()
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ifelse(
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`$3 $1', `zval_data_type type', `fprintf(stderr, "$3:$1:\t%d %s\n", src->$1, xc_get_data_type(src->$1));'
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, `$3 $1', `int op_type', `fprintf(stderr, "$3:$1:\t%d %s\n", src->$1, xc_get_op_type(src->$1));'
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, `$3 $1', `zend_uchar opcode', `fprintf(stderr, "$3:$1:\t%d %s\n", src->$1, xc_get_opcode(src->$1));'
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, `', `', `fprintf(stderr, "$3:$1:\t%ifelse(`$2',`',`d',`$2')\n", src->$1);')
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')
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IFDASM(`
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ifelse(
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`$3', `zend_bool', `add_assoc_bool_ex(dst, ZEND_STRS("$1"), src->$1 ? 1 : 0);'
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, `', `', `add_assoc_long_ex(dst, ZEND_STRS("$1"), src->$1);'
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)
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')
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DONE(`$1')
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')
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dnl }}}
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dnl {{{ PROC_CLASS_ENTRY_P(1:elm)
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define(`PROC_CLASS_ENTRY_P', `PROC_CLASS_ENTRY_P_EX(`dst->$1', `src->$1', `$1')`'DONE(`$1')')
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dnl PROC_CLASS_ENTRY_P_EX(1:dst, 2:src, 3:elm-name)
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define(`PROC_CLASS_ENTRY_P_EX', `
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if ($2) {
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IFSTORE(`$1 = (zend_class_entry *) xc_get_class_num(processor, $2);')
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IFRESTORE(`$1 = xc_get_class(processor, (zend_ulong) $2);')
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#ifdef IS_UNICODE
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IFDASM(`add_assoc_unicodel_ex(dst, ZEND_STRS("$3"), ZSTR_U($2->name), $2->name_length, 1);')
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#else
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IFDASM(`add_assoc_stringl_ex(dst, ZEND_STRS("$3"), $2->name, $2->name_length, 1);')
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#endif
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}
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else {
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COPYNULL_EX(`$1', `$3')
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}
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')
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dnl }}}
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dnl {{{ IFASSERTEX
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define(`IFASSERTEX', `ifdef(`XCACHE_ENABLE_TEST', `$1', `$2')')
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dnl }}}
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dnl {{{ IFASSERT
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define(`IFASSERT', `IFASSERTEX(`
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#ifndef NDEBUG
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$1
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#endif
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')')
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dnl }}}
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dnl {{{ DBG
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define(`DBG', `ifdef(`XCACHE_ENABLE_TEST', `
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/* `$1' */
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')')
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dnl }}}
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dnl {{{ EXPORT
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define(`EXPORT', `define(`EXPORT_$1')')
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dnl }}}
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dnl {{{ FIXPOINTER
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define(`FIXPOINTER', `FIXPOINTER_EX(`$1', `dst->$2')')
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define(`FIXPOINTER_EX', `IFSTORE(`
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$2 = ($1 *) processor->cache->shm->handlers->to_readonly(processor->cache->shm, (char *)$2);
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')')
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define(`UNFIXPOINTER', `UNFIXPOINTER_EX(`$1', `dst->$2')')
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define(`UNFIXPOINTER_EX', `IFSTORE(`
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$2 = ($1 *) processor->cache->shm->handlers->to_readwrite(processor->cache->shm, (char *)$2);
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')')
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dnl }}}
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dnl {{{ COPY
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define(`COPY', `IFNOTMEMCPY(`IFCOPY(`dst->$1 = src->$1;')')DONE(`$1')')
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dnl }}}
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dnl {{{ COPY_N_EX
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define(`COPY_N_EX', `
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ALLOC(`dst->$3', `$2', `src->$1')
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IFCOPY(`
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memcpy(dst->$3, src->$3, sizeof(dst->$3[0]) * src->$1);
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')
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')
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dnl }}}
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dnl {{{ COPY_N
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define(`COPY_N', `COPY_N_EX(`$1',`$2')DONE(`$1')')
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dnl }}}
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dnl {{{ COPYPOINTER
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define(`COPYPOINTER', `COPY(`$1')')
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dnl }}}
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dnl {{{ COPYARRAY_EX
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define(`COPYARRAY_EX', `IFNOTMEMCPY(`IFCOPY(`memcpy(dst->$1, src->$1, sizeof(dst->$1));')')')
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dnl }}}
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dnl {{{ COPYARRAY
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define(`COPYARRAY', `COPYARRAY_EX(`$1',`$2')DONE(`$1')')
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dnl }}}
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dnl {{{ SETNULL_EX
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define(`SETNULL_EX', `IFCOPY(`$1 = NULL;')')
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define(`SETNULL', `SETNULL_EX(`dst->$1')DONE(`$1')')
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dnl }}}
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dnl {{{ COPYNULL_EX(1:dst, 2:elm-name)
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define(`COPYNULL_EX', `
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IFDASM(`add_assoc_null_ex(dst, ZEND_STRS("$2"));')
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IFNOTMEMCPY(`IFCOPY(`$1 = NULL;')')
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')
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dnl }}}
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dnl {{{ COPYNULL(1:elm)
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define(`COPYNULL', `
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COPYNULL_EX(`dst->$1', `$2')DONE(`$1')
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')
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dnl }}}
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dnl {{{ LIST_DIFF(1:left-list, 2:right-list)
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define(`foreach',
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`pushdef(`$1')_foreach(`$1', `$2', `$3')popdef(`$1')')
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define(`_arg1', `$1')
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define(`_foreach',
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`ifelse(`$2', `()', ,
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`define(`$1', _arg1$2)$3`'_foreach(`$1',
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(shift$2),
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`$3')')')
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define(`LIST_DIFF', `dnl
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foreach(`i', `($1)', `pushdef(`item_'defn(`i'))')dnl allocate variable for items in $1
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foreach(`i', `($2)', `pushdef(`item_'defn(`i'))undefine(`item_'defn(`i'))')dnl allocate variable for items in $2, and undefine it
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foreach(`i', `($1)', `ifdef(`item_'defn(`i'), `defn(`i') ')')dnl see what is still defined
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foreach(`i', `($2)', `define(`item_'defn(`i'))popdef(`item_'defn(`i'))')dnl
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foreach(`i', `($1)', `popdef(`item_'defn(`i'))')dnl
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')
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dnl }}}
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dnl {{{ DONE_*
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define(`DONE_SIZE', `IFASSERT(`dnl
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done_size += $1`';
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done_count ++;
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')')
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define(`DONE', `
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define(`ELEMENTS_DONE', defn(`ELEMENTS_DONE')`,"$1"')
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IFASSERT(`dnl
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if (zend_hash_exists(&done_names, "$1", sizeof("$1"))) {
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fprintf(stderr
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, "duplicate field at %s `#'%d FUNC_NAME`' : %s\n"
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, __FILE__, __LINE__
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, "$1"
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);
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}
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else {
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zend_uchar b = 1;
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zend_hash_add(&done_names, "$1", sizeof("$1"), (void*)&b, sizeof(b), NULL);
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}
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')
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DONE_SIZE(`sizeof(src->$1)')
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')
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define(`DISABLECHECK', `
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pushdef(`DONE_SIZE')
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pushdef(`DONE')
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$1
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popdef(`DONE_SIZE')
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popdef(`DONE')
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')
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dnl }}}
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dnl {{{ IF**
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define(`IFCALC', `ifelse(KIND, `calc', `$1', `$2')')
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define(`IFSTORE', `ifelse(KIND, `store', `$1', `$2')')
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define(`IFCALCSTORE', `IFSTORE(`$1', `IFCALC(`$1', `$2')')')
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define(`IFRESTORE', `ifelse(KIND, `restore', `$1', `$2')')
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define(`IFCOPY', `IFSTORE(`$1', `IFRESTORE(`$1', `$2')')')
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define(`IFCALCCOPY', `IFCALC(`$1', `IFCOPY(`$1', `$2')')')
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define(`IFDPRINT', `ifelse(KIND, `dprint', `$1', `$2')')
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define(`IFASM', `ifelse(KIND, `asm', `$1', `$2')')
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define(`IFDASM', `ifelse(KIND, `dasm', `$1', `$2')')
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dnl }}}
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EXPORT(`zend_op')
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EXPORT(`zend_op_array')
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EXPORT(`zend_function')
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EXPORT(`HashTable_zend_function')
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EXPORT(`zend_class_entry')
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EXPORT(`xc_classinfo_t')
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EXPORT(`xc_funcinfo_t')
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EXPORT(`xc_entry_t')
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EXPORT(`xc_entry_data_php_t')
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EXPORT(`zval')
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include(srcdir`/processor/hashtable.m4')
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include(srcdir`/processor/string.m4')
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include(srcdir`/processor/struct.m4')
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include(srcdir`/processor/dispatch.m4')
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include(srcdir`/processor/head.m4')
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define(`IFNOTMEMCPY', `ifdef(`USEMEMCPY', `', `$1')')
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REDEF(`KIND', `calc') include(srcdir`/processor/processor.m4')
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pushdef(`xc_get_class_num', ``xc_get_class_num'($@)')
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REDEF(`KIND', `store') include(srcdir`/processor/processor.m4')
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popdef(`xc_get_class_num')
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pushdef(`xc_get_class', ``xc_get_class'($@)')
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REDEF(`KIND', `restore') include(srcdir`/processor/processor.m4')
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popdef(`xc_get_class')
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REDEF(`IFNOTMEMCPY', `$1')
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#ifdef HAVE_XCACHE_DPRINT
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REDEF(`KIND', `dprint') include(srcdir`/processor/processor.m4')
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#endif /* HAVE_XCACHE_DPRINT */
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#ifdef HAVE_XCACHE_DISASSEMBLER
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REDEF(`KIND', `dasm') include(srcdir`/processor/processor.m4')
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#endif /* HAVE_XCACHE_DISASSEMBLER */
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#ifdef HAVE_XCACHE_ASSEMBLER
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REDEF(`KIND', `asm') include(srcdir`/processor/processor.m4')
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#endif /* HAVE_XCACHE_ASSEMBLER */
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ifdef(`EXIT_PENDING', `m4exit(EXIT_PENDING)')
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