110-add_a_out_h.patch 4.8 KB

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  1. --- /dev/null
  2. +++ b/include/a.out.h
  3. @@ -0,0 +1,138 @@
  4. +#ifndef __A_OUT_GNU_H__
  5. +#define __A_OUT_GNU_H__
  6. +
  7. +#include <bits/a.out.h>
  8. +
  9. +#define __GNU_EXEC_MACROS__
  10. +
  11. +struct exec
  12. +{
  13. + unsigned long a_info; /* Use macros N_MAGIC, etc for access. */
  14. + unsigned int a_text; /* Length of text, in bytes. */
  15. + unsigned int a_data; /* Length of data, in bytes. */
  16. + unsigned int a_bss; /* Length of uninitialized data area for file, in bytes. */
  17. + unsigned int a_syms; /* Length of symbol table data in file, in bytes. */
  18. + unsigned int a_entry; /* Start address. */
  19. + unsigned int a_trsize;/* Length of relocation info for text, in bytes. */
  20. + unsigned int a_drsize;/* Length of relocation info for data, in bytes. */
  21. +};
  22. +
  23. +enum machine_type
  24. +{
  25. + M_OLDSUN2 = 0,
  26. + M_68010 = 1,
  27. + M_68020 = 2,
  28. + M_SPARC = 3,
  29. + M_386 = 100,
  30. + M_MIPS1 = 151,
  31. + M_MIPS2 = 152
  32. +};
  33. +
  34. +#define N_MAGIC(exec) ((exec).a_info & 0xffff)
  35. +#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
  36. +#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
  37. +#define N_SET_INFO(exec, magic, type, flags) \
  38. + ((exec).a_info = ((magic) & 0xffff) \
  39. + | (((int)(type) & 0xff) << 16) \
  40. + | (((flags) & 0xff) << 24))
  41. +#define N_SET_MAGIC(exec, magic) \
  42. + ((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff))
  43. +#define N_SET_MACHTYPE(exec, machtype) \
  44. + ((exec).a_info = \
  45. + ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
  46. +#define N_SET_FLAGS(exec, flags) \
  47. + ((exec).a_info = \
  48. + ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
  49. +
  50. +/* Code indicating object file or impure executable. */
  51. +#define OMAGIC 0407
  52. +/* Code indicating pure executable. */
  53. +#define NMAGIC 0410
  54. +/* Code indicating demand-paged executable. */
  55. +#define ZMAGIC 0413
  56. +/* This indicates a demand-paged executable with the header in the text.
  57. + The first page is unmapped to help trap NULL pointer references. */
  58. +#define QMAGIC 0314
  59. +/* Code indicating core file. */
  60. +#define CMAGIC 0421
  61. +
  62. +#define N_TRSIZE(a) ((a).a_trsize)
  63. +#define N_DRSIZE(a) ((a).a_drsize)
  64. +#define N_SYMSIZE(a) ((a).a_syms)
  65. +#define N_BADMAG(x) \
  66. + (N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \
  67. + && N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC)
  68. +#define _N_HDROFF(x) (1024 - sizeof (struct exec))
  69. +#define N_TXTOFF(x) \
  70. + (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
  71. + (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
  72. +#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
  73. +#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
  74. +#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
  75. +#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
  76. +#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
  77. +
  78. +/* Address of text segment in memory after it is loaded. */
  79. +#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? 4096 : 0)
  80. +
  81. +/* Address of data segment in memory after it is loaded. */
  82. +#define SEGMENT_SIZE 1024
  83. +
  84. +#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
  85. +#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
  86. +
  87. +#define N_DATADDR(x) \
  88. + (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \
  89. + : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
  90. +#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
  91. +
  92. +#if !defined (N_NLIST_DECLARED)
  93. +struct nlist
  94. +{
  95. + union
  96. + {
  97. + char *n_name;
  98. + struct nlist *n_next;
  99. + long n_strx;
  100. + } n_un;
  101. + unsigned char n_type;
  102. + char n_other;
  103. + short n_desc;
  104. + unsigned long n_value;
  105. +};
  106. +#endif /* no N_NLIST_DECLARED. */
  107. +
  108. +#define N_UNDF 0
  109. +#define N_ABS 2
  110. +#define N_TEXT 4
  111. +#define N_DATA 6
  112. +#define N_BSS 8
  113. +#define N_FN 15
  114. +#define N_EXT 1
  115. +#define N_TYPE 036
  116. +#define N_STAB 0340
  117. +#define N_INDR 0xa
  118. +#define N_SETA 0x14 /* Absolute set element symbol. */
  119. +#define N_SETT 0x16 /* Text set element symbol. */
  120. +#define N_SETD 0x18 /* Data set element symbol. */
  121. +#define N_SETB 0x1A /* Bss set element symbol. */
  122. +#define N_SETV 0x1C /* Pointer to set vector in data area. */
  123. +
  124. +#if !defined (N_RELOCATION_INFO_DECLARED)
  125. +/* This structure describes a single relocation to be performed.
  126. + The text-relocation section of the file is a vector of these structures,
  127. + all of which apply to the text section.
  128. + Likewise, the data-relocation section applies to the data section. */
  129. +
  130. +struct relocation_info
  131. +{
  132. + int r_address;
  133. + unsigned int r_symbolnum:24;
  134. + unsigned int r_pcrel:1;
  135. + unsigned int r_length:2;
  136. + unsigned int r_extern:1;
  137. + unsigned int r_pad:4;
  138. +};
  139. +#endif /* no N_RELOCATION_INFO_DECLARED. */
  140. +
  141. +#endif /* __A_OUT_GNU_H__ */
  142. --- /dev/null
  143. +++ b/include/bits/a.out.h
  144. @@ -0,0 +1,13 @@
  145. +#ifndef __A_OUT_GNU_H__
  146. +# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
  147. +#endif
  148. +
  149. +#include <bits/wordsize.h>
  150. +
  151. +#if __WORDSIZE == 64
  152. +
  153. +/* Signal to users of this header that this architecture really doesn't
  154. + support a.out binary format. */
  155. +#define __NO_A_OUT_SUPPORT 1
  156. +
  157. +#endif