/*      $NetBSD: cdefs_aout.h,v 1.21 2024/05/29 02:06:46 riastradh Exp $        */

/*
 * Written by J.T. Conklin <jtc@wimsey.com> 01/17/95.
 * Public domain.
 */

#ifndef _SYS_CDEFS_AOUT_H_
#define _SYS_CDEFS_AOUT_H_

#define _C_LABEL(x)             __CONCAT(_,x)
#define _C_LABEL_STRING(x)      "_"x

#if __STDC__
#define ___RENAME(x)    __asm(___STRING(_C_LABEL(x)))
#else
#define ___RENAME(x)    ____RENAME(_/**/x)
#define ____RENAME(x)   __asm(___STRING(x))
#endif

#define __indr_reference(sym,alias)     /* nada, since we do weak refs */

#ifdef __GNUC__
#if __STDC__
#define __strong_alias(alias,sym)                                       \
    __asm(".global " _C_LABEL_STRING(#alias) "\n"                       \
            _C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));
#define __weak_alias(alias,sym)                                         \
    __asm(".weak " _C_LABEL_STRING(#alias) "\n"                 \
            _C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));

/* Do not use __weak_extern, use __weak_reference instead */
#define __weak_extern(sym)                                              \
    __asm(".weak " _C_LABEL_STRING(#sym));

#if __GNUC_PREREQ__(4, 0)
#define __weak_reference(sym)   __attribute__((__weakref__))
#else
#define __weak_reference(sym)   ; __asm(".weak " _C_LABEL_STRING(#sym))
#endif

#define __warn_references(sym,msg)                                      \
        __asm(".stabs \"" msg "\",30,0,0,0");                           \
        __asm(".stabs \"_" #sym "\",1,0,0,0");
#else /* __STDC__ */
#define __weak_alias(alias,sym) ___weak_alias(_/**/alias,_/**/sym)
#define ___weak_alias(alias,sym)                                        \
    __asm(".weak alias\nalias = sym");
/* Do not use __weak_extern, use __weak_reference instead */
#define __weak_extern(sym) ___weak_extern(_/**/sym)
#define ___weak_extern(sym)                                             \
    __asm(".weak sym");

#if __GNUC_PREREQ__(4, 0)
#define __weak_reference(sym)   __attribute__((__weakref__))
#else
#define ___weak_reference(sym)  ; __asm(".weak sym");
#define __weak_reference(sym)   ___weak_reference(_/**/sym)
#endif

#define __warn_references(sym,msg)                                      \
        __asm(".stabs msg,30,0,0,0");                                   \
        __asm(".stabs \"_/**/sym\",1,0,0,0");
#endif /* __STDC__ */
#else /* __GNUC__ */
#define __warn_references(sym,msg)
#endif /* __GNUC__ */

#if defined(__sh__)             /* XXX SH COFF */
#undef __indr_reference(sym,alias)
#undef __warn_references(sym,msg)
#define __warn_references(sym,msg)
#endif

#define __IDSTRING(_n,_s)                                               \
        __asm(".data ; .asciz \"" _s "\" ; .text")

#undef __KERNEL_RCSID

#ifdef _NETBSD_REVISIONID
#define __RCSID(_s)                                                           \
        __IDSTRING(rcsid,_s);                                                 \
        __IDSTRING(revisionid,                                                \
            "$" "NetBSD: " __FILE__ " " _NETBSD_REVISIONID " $")
#else
#define __RCSID(_s)     __IDSTRING(rcsid,_s)
#endif
#define __SCCSID(_s)
#define __SCCSID2(_s)
#if 0   /* XXX userland __COPYRIGHTs have \ns in them */
#define __COPYRIGHT(_s) __IDSTRING(copyright,_s)
#else
#define __COPYRIGHT(_s)                                                 \
        static const char copyright[] __attribute__((__unused__)) = _s
#endif

#if defined(USE_KERNEL_RCSIDS) || !defined(_KERNEL)
#define __KERNEL_RCSID(_n,_s) __IDSTRING(__CONCAT(rcsid,_n),_s)
#else
#define __KERNEL_RCSID(_n,_s)
#endif
#define __KERNEL_SCCSID(_n,_s)
#define __KERNEL_COPYRIGHT(_n, _s) __IDSTRING(__CONCAT(copyright,_n),_s)

#ifndef __lint__
#define __link_set_make_entry(set, sym, type)                           \
        static void const * const                                       \
            __link_set_##set##_sym_##sym __used = &sym;         \
        __asm(".stabs \"___link_set_" #set "\", " #type ", 0, 0, _" #sym)
#else
#define __link_set_make_entry(set, sym, type)                           \
        extern void const * const __link_set_##set##_sym_##sym
#endif /* __lint__ */

#define __link_set_add_text(set, sym)   __link_set_make_entry(set, sym, 23)
#define __link_set_add_rodata(set, sym) __link_set_make_entry(set, sym, 23)
#define __link_set_add_data(set, sym)   __link_set_make_entry(set, sym, 25)
#define __link_set_add_bss(set, sym)    __link_set_make_entry(set, sym, 27)

#define __link_set_decl(set, ptype)                                     \
extern struct {                                                         \
        int     __ls_length;                                            \
        ptype   *__ls_items[1];                                         \
} __link_set_##set

#define __link_set_start(set)   (&(__link_set_##set).__ls_items[0])
#define __link_set_end(set)                                             \
        (&(__link_set_##set).__ls_items[(__link_set_##set).__ls_length])

#define __link_set_count(set)   ((__link_set_##set).__ls_length)

#endif /* !_SYS_CDEFS_AOUT_H_ */