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1 | 13 | up20180614 | /* $NetBSD: cdefs_aout.h,v 1.20 2006/05/18 17:55:38 christos Exp $ */
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2 | |||
3 | /*
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4 | * Written by J.T. Conklin <jtc@wimsey.com> 01/17/95.
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5 | * Public domain.
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6 | */
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7 | |||
8 | #ifndef _SYS_CDEFS_AOUT_H_
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9 | #define _SYS_CDEFS_AOUT_H_
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10 | |||
11 | #define _C_LABEL(x) __CONCAT(_,x)
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12 | #define _C_LABEL_STRING(x) "_"x |
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13 | |||
14 | #if __STDC__
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15 | #define ___RENAME(x) __asm(___STRING(_C_LABEL(x)))
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16 | #else
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17 | #define ___RENAME(x) ____RENAME(_/**/x) |
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18 | #define ____RENAME(x) __asm(___STRING(x))
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19 | #endif
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20 | |||
21 | #define __indr_reference(sym,alias) /* nada, since we do weak refs */ |
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22 | |||
23 | #ifdef __GNUC__
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24 | #if __STDC__
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25 | #define __strong_alias(alias,sym) \
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26 | __asm(".global " _C_LABEL_STRING(#alias) "\n" \ |
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27 | _C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym)); |
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28 | #define __weak_alias(alias,sym) \
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29 | __asm(".weak " _C_LABEL_STRING(#alias) "\n" \ |
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30 | _C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym)); |
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31 | |||
32 | /* Do not use __weak_extern, use __weak_reference instead */
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33 | #define __weak_extern(sym) \
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34 | __asm(".weak " _C_LABEL_STRING(#sym)); |
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35 | |||
36 | #if __GNUC_PREREQ__(4, 0) |
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37 | #define __weak_reference(sym) __attribute__((__weakref__))
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38 | #else
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39 | #define __weak_reference(sym) ; __asm(".weak " _C_LABEL_STRING(#sym)) |
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40 | #endif
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41 | |||
42 | #define __warn_references(sym,msg) \
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43 | __asm(".stabs \"" msg "\",30,0,0,0"); \ |
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44 | __asm(".stabs \"_" #sym "\",1,0,0,0"); |
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45 | #else /* __STDC__ */ |
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46 | #define __weak_alias(alias,sym) ___weak_alias(_/**/alias,_/**/sym) |
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47 | #define ___weak_alias(alias,sym) \
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48 | __asm(".weak alias\nalias = sym");
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49 | /* Do not use __weak_extern, use __weak_reference instead */
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50 | #define __weak_extern(sym) ___weak_extern(_/**/sym) |
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51 | #define ___weak_extern(sym) \
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52 | __asm(".weak sym");
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53 | |||
54 | #if __GNUC_PREREQ__(4, 0) |
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55 | #define __weak_reference(sym) __attribute__((__weakref__))
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56 | #else
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57 | #define ___weak_reference(sym) ; __asm(".weak sym"); |
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58 | #define __weak_reference(sym) ___weak_reference(_/**/sym) |
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59 | #endif
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60 | |||
61 | #define __warn_references(sym,msg) \
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62 | __asm(".stabs msg,30,0,0,0"); \
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63 | __asm(".stabs \"_/**/sym\",1,0,0,0");
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64 | #endif /* __STDC__ */ |
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65 | #else /* __GNUC__ */ |
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66 | #define __warn_references(sym,msg)
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67 | #endif /* __GNUC__ */ |
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68 | |||
69 | #if defined(__sh__) /* XXX SH COFF */ |
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70 | #undef __indr_reference(sym,alias)
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71 | #undef __warn_references(sym,msg)
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72 | #define __warn_references(sym,msg)
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73 | #endif
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74 | |||
75 | #define __IDSTRING(_n,_s) \
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76 | __asm(".data ; .asciz \"" _s "\" ; .text") |
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77 | |||
78 | #undef __KERNEL_RCSID
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79 | |||
80 | #define __RCSID(_s) __IDSTRING(rcsid,_s)
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81 | #define __SCCSID(_s)
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82 | #define __SCCSID2(_s)
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83 | #if 0 /* XXX userland __COPYRIGHTs have \ns in them */
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84 | #define __COPYRIGHT(_s) __IDSTRING(copyright,_s)
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85 | #else
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86 | #define __COPYRIGHT(_s) \
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87 | static const char copyright[] __attribute__((__unused__)) = _s |
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88 | #endif
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89 | |||
90 | #if defined(USE_KERNEL_RCSIDS) || !defined(_KERNEL)
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91 | #define __KERNEL_RCSID(_n,_s) __IDSTRING(__CONCAT(rcsid,_n),_s)
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92 | #else
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93 | #define __KERNEL_RCSID(_n,_s)
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94 | #endif
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95 | #define __KERNEL_SCCSID(_n,_s)
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96 | #define __KERNEL_COPYRIGHT(_n, _s) __IDSTRING(__CONCAT(copyright,_n),_s)
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97 | |||
98 | #ifndef __lint__
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99 | #define __link_set_make_entry(set, sym, type) \
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100 | static void const * const \ |
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101 | __link_set_##set##_sym_##sym __used = &sym; \ |
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102 | __asm(".stabs \"___link_set_" #set "\", " #type ", 0, 0, _" #sym) |
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103 | #else
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104 | #define __link_set_make_entry(set, sym, type) \
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105 | extern void const * const __link_set_##set##_sym_##sym |
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106 | #endif /* __lint__ */ |
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107 | |||
108 | #define __link_set_add_text(set, sym) __link_set_make_entry(set, sym, 23) |
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109 | #define __link_set_add_rodata(set, sym) __link_set_make_entry(set, sym, 23) |
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110 | #define __link_set_add_data(set, sym) __link_set_make_entry(set, sym, 25) |
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111 | #define __link_set_add_bss(set, sym) __link_set_make_entry(set, sym, 27) |
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112 | |||
113 | #define __link_set_decl(set, ptype) \
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114 | extern struct { \ |
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115 | int __ls_length; \
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116 | ptype *__ls_items[1]; \
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117 | } __link_set_##set |
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118 | |||
119 | #define __link_set_start(set) (&(__link_set_##set).__ls_items[0]) |
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120 | #define __link_set_end(set) \
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121 | (&(__link_set_##set).__ls_items[(__link_set_##set).__ls_length]) |
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122 | |||
123 | #define __link_set_count(set) ((__link_set_##set).__ls_length) |
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124 | |||
125 | #endif /* !_SYS_CDEFS_AOUT_H_ */ |