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Viewing changes to mit-pthreads/machdep/syscall-template-sparc-sunos4.S

  • Committer: bk at mysql
  • Date: 2000-07-31 19:29:14 UTC
  • Revision ID: sp1r-bk@work.mysql.com-20000731192914-08846
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mit-pthreads/machdep/syscall-template-sparc-sunos4.S
 
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/* ==== syscall.S ============================================================
 
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 * Copyright (c) 1994 Chris Provenzano, proven@mit.edu
 
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 * All rights reserved.
 
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 *
 
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 */
 
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#include <sys/syscall.h>
 
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#define SYSCALL(x)                                              \
 
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        .globl _machdep_sys_##x;                        \
 
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                                                                                \
 
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_machdep_sys_##x:;                                              \
 
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                                                                                \
 
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        mov SYS_##x, %g1;                               \
 
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        ta 0;                                                           \
 
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        bcs,a 2b;                                                       \
 
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        sub %r0,%o0,%o0;                                        \
 
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        retl;                                                           \
 
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        nop
 
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/*
 
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 * Initial asm stuff for all functions.
 
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 */
 
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        .text
 
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        .align  4
 
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/* ==========================================================================
 
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 * error code for all syscalls. The error value is returned as the negative
 
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 * of the errno value.
 
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 */
 
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1:
 
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        sub             %r0, %o0, %o0
 
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2:
 
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        retl
 
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        nop
 
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#define XSYSCALL(NAME) SYSCALL(NAME)
 
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XSYSCALL(SYSCALL_NAME)