patch-src_m_x86_64_h 5.6 KB

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  1. $OpenBSD: patch-src_m_x86_64_h,v 1.1 2004/02/26 08:19:26 pvalchev Exp $
  2. --- src/m/x86_64.h.orig 2004-02-25 17:44:51.000000000 -0700
  3. +++ src/m/x86_64.h 2004-02-25 17:46:42.000000000 -0700
  4. @@ -0,0 +1,165 @@
  5. +/* machine description file for the X86-64 architecture.
  6. + Copyright (C) 2000 Free Software Foundation, Inc.
  7. +
  8. +This file is part of GNU Emacs.
  9. +
  10. +GNU Emacs is free software; you can redistribute it and/or modify
  11. +it under the terms of the GNU General Public License as published by
  12. +the Free Software Foundation; either version 1, or (at your option)
  13. +any later version.
  14. +
  15. +GNU Emacs is distributed in the hope that it will be useful,
  16. +but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. +GNU General Public License for more details.
  19. +
  20. +You should have received a copy of the GNU General Public License
  21. +along with GNU Emacs; see the file COPYING. If not, write to
  22. +the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23. +Boston, MA 02111-1307, USA. */
  24. +
  25. +#define BITS_PER_LONG 64
  26. +#define BITS_PER_EMACS_INT 64
  27. +
  28. +/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  29. + is the most significant byte. */
  30. +
  31. +#undef WORDS_BIG_ENDIAN
  32. +
  33. +/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  34. + group of arguments and treat it as an array of the arguments. */
  35. +
  36. +#define NO_ARG_ARRAY
  37. +
  38. +/* Define WORD_MACHINE if addresses and such have
  39. + to be corrected before they can be used as byte counts. */
  40. +
  41. +/* #define WORD_MACHINE */
  42. +
  43. +/* Now define a symbol for the cpu type, if your compiler
  44. + does not define it automatically:
  45. + Ones defined so far include vax, m68000, ns16000, pyramid,
  46. + orion, tahoe, APOLLO and many others */
  47. +
  48. +/* __x86_64__ defined automatically */
  49. +
  50. +
  51. +/* Use type EMACS_INT rather than a union, to represent Lisp_Object */
  52. +/* This is desirable for most machines. */
  53. +
  54. +#define NO_UNION_TYPE
  55. +
  56. +/* Define the type to use. */
  57. +#define EMACS_INT long
  58. +#define EMACS_UINT unsigned long
  59. +#define SPECIAL_EMACS_INT
  60. +
  61. +/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  62. + the 24-bit bit field into an int. In other words, if bit fields
  63. + are always unsigned.
  64. +
  65. + If you use NO_UNION_TYPE, this flag does not matter. */
  66. +
  67. +#define EXPLICIT_SIGN_EXTEND
  68. +
  69. +/* Data type of load average, as read out of kmem. */
  70. +
  71. +#define LOAD_AVE_TYPE long
  72. +
  73. +/* Convert that into an integer that is 100 for a load average of 1.0 */
  74. +
  75. +#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  76. +
  77. +/* Define CANNOT_DUMP on machines where unexec does not work.
  78. + Then the function dump-emacs will not be defined
  79. + and temacs will do (load "loadup") automatically unless told otherwise. */
  80. +#if 0
  81. +#define CANNOT_DUMP
  82. +#endif
  83. +
  84. +/* Define VIRT_ADDR_VARIES if the virtual addresses of
  85. + pure and impure space as loaded can vary, and even their
  86. + relative order cannot be relied on.
  87. +
  88. + Otherwise Emacs assumes that text space precedes data space,
  89. + numerically. */
  90. +
  91. +/* #define VIRT_ADDR_VARIES */
  92. +
  93. +/* Define C_ALLOCA if this machine does not support a true alloca
  94. + and the one written in C should be used instead.
  95. + Define HAVE_ALLOCA to say that the system provides a properly
  96. + working alloca function and it should be used.
  97. + Define neither one if an assembler-language alloca
  98. + in the file alloca.s should be used. */
  99. +
  100. +#define HAVE_ALLOCA
  101. +
  102. +/* Define the following if GNU malloc and the relocating allocator do
  103. + not work together with X. */
  104. +
  105. +/* #define SYSTEM_MALLOC */
  106. +
  107. +/* Define NO_REMAP if memory segmentation makes it not work well
  108. + to change the boundary between the text section and data section
  109. + when Emacs is dumped. If you define this, the preloaded Lisp
  110. + code will not be sharable; but that's better than failing completely. */
  111. +
  112. +/* #define NO_REMAP */
  113. +
  114. +/* Some really obscure 4.2-based systems (like Sequent DYNIX) do not
  115. + support asynchronous I/O (using SIGIO) on sockets, even though it
  116. + works fine on tty's. If you have one of these systems, define the
  117. + following, and then use it in config.h (or elsewhere) to decide
  118. + when (not) to use SIGIO.
  119. +
  120. + You'd think this would go in an operating-system description file,
  121. + but since it only occurs on some, but not all, BSD systems, the
  122. + reasonable place to select for it is in the machine description
  123. + file. */
  124. +
  125. +/* #define NO_SOCK_SIGIO */
  126. +
  127. +#ifdef __ELF__
  128. +#undef UNEXEC
  129. +#define UNEXEC unexelf.o
  130. +#endif
  131. +
  132. +#define PNTR_COMPARISON_TYPE unsigned long
  133. +
  134. +/* On the 64 bit architecture, we can use 60 bits for addresses */
  135. +
  136. +#define VALBITS 60
  137. +
  138. +/* Define XINT and XUINT so that they can take arguments of type int */
  139. +
  140. +#define XINT(a) (((long) (a) << (BITS_PER_LONG - VALBITS)) >> (BITS_PER_LONG - VALBITS))
  141. +#define XUINT(a) ((long) (a) & VALMASK)
  142. +
  143. +/* Declare malloc and realloc in a way that is clean.
  144. + But not in makefiles! */
  145. +
  146. +#ifndef NOT_C_CODE
  147. +/* We need these because pointers are larger than the default ints. */
  148. +# if !defined(__NetBSD__) && !defined(__OpenBSD__)
  149. +# include <alloca.h>
  150. +# else
  151. +# include <stdlib.h>
  152. +# endif
  153. +
  154. +/* We need to prototype these for the lib-src programs even if we don't
  155. + use the system malloc for the Emacs proper. */
  156. +#ifdef _MALLOC_INTERNAL
  157. +/* These declarations are designed to match the ones in gmalloc.c. */
  158. +#if defined (__STDC__) && __STDC__
  159. +extern void *malloc (), *realloc (), *calloc ();
  160. +#else
  161. +extern char *malloc (), *realloc (), *calloc ();
  162. +#endif
  163. +#else /* not _MALLOC_INTERNAL */
  164. +extern void *malloc (), *realloc (), *calloc ();
  165. +#endif /* not _MALLOC_INTERNAL */
  166. +
  167. +#endif /* not NOT_C_CODE */
  168. +
  169. +#define HAVE_TEXT_START