| 
                Last change
                  on this file since 523 was
                  444,
                  checked in by satin@…, 7 years ago
           | 
        
        
          | 
               
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc 
 
           | 
        
        | 
            File size:
            379 bytes
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  | Line |   | 
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| 1 | #include <_ansi.h> | 
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| 2 | #include <sys/types.h> | 
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| 3 | #include <sys/stat.h> | 
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| 4 | #include "trap.h" | 
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| 5 |  | 
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| 6 |  | 
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| 7 | caddr_t | 
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| 8 | sbrk (size_t incr) | 
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| 9 | { | 
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| 10 |   extern char end;              /* Defined by the linker */ | 
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| 11 |   static char *heap_end; | 
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| 12 |   char *prev_heap_end; | 
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| 13 |  | 
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| 14 |   char *sp = (char *) &sp; | 
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| 15 |  | 
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| 16 |   if (heap_end == 0) | 
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| 17 |     { | 
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| 18 |       heap_end = &end; | 
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| 19 |     } | 
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| 20 |   prev_heap_end = heap_end; | 
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| 21 |   heap_end += incr; | 
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| 22 |  | 
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| 23 |   return (caddr_t) prev_heap_end; | 
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| 24 | } | 
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