c0c762e419
Gina Verlekar <gina.verlekar@kpitcummins.com>
Moving files from libc/sys/sysnecv850 to libgloss/v850
* libgloss/libnosys/configure: Regenerated.
* libgloss/libnosys/configure.in: Compact v850 support to v850*-*-*.
* libgloss/libnosys/configure: Regenerated.
* libgloss/configure.in: Add libgloss support for v850.
* libgloss/configure: Regenerated.
* libgloss/v850/access.c: New file.
* libgloss/v850/aclocal.m4: New.
* libgloss/v850/chmod.c: New.
* libgloss/v850/chown.c: New.
* libgloss/v850/close.c: New.
* libgloss/v850/configure: New.
* libgloss/v850/configure.in: New.
* libgloss/v850/crt0.S: New.
* libgloss/v850/crt1.c: New.
* libgloss/v850/execv.c: New.
* libgloss/v850/execve.c: New.
* libgloss/v850/_exit.c: New.
* libgloss/v850/fork.c: New.
* libgloss/v850/fstat.c: New.
* libgloss/v850/getpid.c: New.
* libgloss/v850/gettime.c: New.
* libgloss/v850/isatty.c: New.
* libgloss/v850/kill.c: New.
* libgloss/v850/link.c: New.
* libgloss/v850/lseek.c: New.
* libgloss/v850/Makefile.in: New.
* libgloss/v850/open.c: New.
* libgloss/v850/pipe.c: New.
* libgloss/v850/read.c: New.
* libgloss/v850/sbrk.c: New.
* libgloss/v850/sim.ld: New.
* libgloss/v850/stat.c: New.
* libgloss/v850/time.c: New.
* libgloss/v850/times.c: New.
* libgloss/v850/trap.S: New.
* libgloss/v850/unlink.c: New.
* libgloss/v850/utime.c: New.
* libgloss/v850/wait.c: New.
* libgloss/v850/write.c: New.
37 lines
678 B
C
37 lines
678 B
C
#include <_ansi.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "sys/syscall.h"
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int errno;
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int __trap0 (int function, int p1, int p2, int p3);
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#define TRAP0(f, p1, p2, p3) __trap0(f, (int)(p1), (int)(p2), (int)(p3))
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caddr_t
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_sbrk (int incr)
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{
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extern char end; /* Defined by the linker */
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static char *heap_end;
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char *prev_heap_end;
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#if 0
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char *sp = (char *)stack_ptr;
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#else
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char *sp = (char *)&sp;
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#endif
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if (heap_end == 0)
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{
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heap_end = &end;
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}
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prev_heap_end = heap_end;
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if (heap_end + incr > sp)
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{
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_write (1, "Heap and stack collision\n", 25);
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abort ();
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}
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heap_end += incr;
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return (caddr_t) prev_heap_end;
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}
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