diff options
Diffstat (limited to 'pad.h')
| -rw-r--r-- | pad.h | 44 |
1 files changed, 32 insertions, 12 deletions
@@ -45,26 +45,46 @@ struct padnamelist { U32 xpadnl_refcnt; }; +/* PERL_PADNAME_MINIMAL uses less memory, but on some platforms + PERL_PADNAME_ALIGNED may be faster, so platform-specific hints can + define one or the other. */ +#if defined(PERL_PADNAME_MINIMAL) && defined (PERL_PADNAME_ALIGNED) +# error PERL_PADNAME_MINIMAL and PERL_PADNAME_ALIGNED are exclusive +#endif + +#if !defined(PERL_PADNAME_MINIMAL) && !defined(PERL_PADNAME_ALIGNED) +# define PERL_PADNAME_ALIGNED +#endif + +#define _PADNAME_BASE \ + char * xpadn_pv; \ + HV * xpadn_ourstash; \ + union { \ + HV * xpadn_typestash; \ + CV * xpadn_protocv; \ + } xpadn_type_u; \ + U32 xpadn_low; \ + U32 xpadn_high; \ + U32 xpadn_refcnt; \ + int xpadn_gen; \ + U8 xpadn_len; \ + U8 xpadn_flags + struct padname { - char * xpadn_pv; - HV * xpadn_ourstash; - union { - HV * xpadn_typestash; - CV * xpadn_protocv; - } xpadn_type_u; - U32 xpadn_low; - U32 xpadn_high; - U32 xpadn_refcnt; - int xpadn_gen; - U8 xpadn_len; - U8 xpadn_flags; + _PADNAME_BASE; }; struct padname_with_str { +#ifdef PERL_PADNAME_MINIMAL + _PADNAME_BASE; +#else struct padname xpadn_padname; +#endif char xpadn_str[1]; }; +#undef _PADNAME_BASE + #define PADNAME_FROM_PV(s) \ ((PADNAME *)((s) - STRUCT_OFFSET(struct padname_with_str, xpadn_str))) |