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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
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/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <syscall.h>
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#define HAVE_SYSCALLS
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/* Note that using a `PASTE' macro loses. */
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#ifdef __STDC__
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#define SYSCALL__(name, args) PSEUDO (__##name, name, args)
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#else
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#define SYSCALL__(name, args) PSEUDO (__/**/name, name, args)
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#endif
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#define SYSCALL(name, args) PSEUDO (name, name, args)
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/* Machine-dependent sysdep.h files are expected to define the macro
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PSEUDO (function_name, syscall_name) to emit assembly code to define the
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C-callable function FUNCTION_NAME to do system call SYSCALL_NAME.
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r0 and r1 are the system call outputs. MOVE(x, y) should be defined as
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an instruction such that "MOVE(r1, r0)" works. ret should be defined
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as the return instruction. */
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/* Define a macro we can use to construct the asm name for a C symbol. */
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#ifdef NO_UNDERSCORES
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#define C_SYMBOL_NAME(name) name
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#ifdef __STDC__
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#define C_LABEL(name) name##:
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#else
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#define C_LABEL(name) name/**/:
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#endif
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#else
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#ifdef __STDC__
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#define C_SYMBOL_NAME(name) _##name
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#define C_LABEL(name) _##name##:
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#else
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#define C_SYMBOL_NAME(name) _/**/name
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#define C_LABEL(name) _/**/name/**/:
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#endif
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#endif
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#ifdef __STDC__
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#define SYS_ify(syscall_name) SYS_##syscall_name
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#else
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#define SYS_ify(syscall_name) SYS_/**/syscall_name
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#endif
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