mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Libraries/Sapphire/sh/subAlloc

   1 ;
   2 ; suballoc.sh
   3 ;
   4 ; Handling of requests for small link blocks
   5 ;
   6 ; © 1994-1998 Straylight
   7 ;
   8
   9 ;----- Licensing note -------------------------------------------------------
  10 ;
  11 ; This file is part of Straylight's Sapphire library.
  12 ;
  13 ; Sapphire is free software; you can redistribute it and/or modify
  14 ; it under the terms of the GNU General Public License as published by
  15 ; the Free Software Foundation; either version 2, or (at your option)
  16 ; any later version.
  17 ;
  18 ; Sapphire is distributed in the hope that it will be useful,
  19 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ; GNU General Public License for more details.
  22 ;
  23 ; You should have received a copy of the GNU General Public License
  24 ; along with Sapphire.  If not, write to the Free Software Foundation,
  25 ; 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26
  27 ;----- Overview -------------------------------------------------------------
  28 ;
  29 ; Functions provided:
  30 ;
  31 ;  sub_alloc
  32 ;  sub_free
  33 ;  sub_init
  34
  35                 [       :LNOT::DEF:suballoc__dfn
  36                 GBLL    suballoc__dfn
  37
  38 ; --- sub_alloc ---
  39 ;
  40 ; On entry:     R0 == size of block to allocate
  41 ;
  42 ; On exit:      R0 == pointer to block allocated
  43 ;               May return an error
  44 ;
  45 ; Use:          Allocates a block of the size specified, typically very
  46 ;               quickly indeed.
  47 ;
  48 ;               If the size is not one of those supported (currently
  49 ;               supported sizes are 8-40 inclusive in 4 byte increments),
  50 ;               the behaviour is undefined (but very predictable).
  51
  52                 IMPORT  sub_alloc
  53
  54 ; --- sub_free ---
  55 ;
  56 ; On entry:     R0 == pointer to block
  57 ;               R1 == size of the block
  58 ;
  59 ; On exit:      --
  60 ;
  61 ; Use:          Frees a block allocated using sub_alloc.
  62
  63                 IMPORT  sub_free
  64
  65 ; --- sub_init ---
  66 ;
  67 ; On entry:     --
  68 ;
  69 ; On exit:      --
  70 ;
  71 ; Use:          Initialises the suballocation system for use.
  72
  73                 IMPORT  sub_init
  74
  75                 ]
  76
  77 ;----- That's all, folks ----------------------------------------------------
  78
  79                 END