50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* Definitions of target machine for GNU compiler, for SunOS 4.x
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Copyright (C) 1994 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define SUNOS4_SHARED_LIBRARIES 1
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/* Use N_BINCL stabs. */
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#define DBX_USE_BINCL
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#include "sparc/sparc.h"
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/* The Sun as doesn't like unaligned data. */
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#define DWARF2_UNWIND_INFO 0
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/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
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traps available which can get and set the condition codes
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reliably. */
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#undef MACHINE_STATE_SAVE
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#define MACHINE_STATE_SAVE(ID) \
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unsigned long int ms_flags, ms_saveret; \
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asm volatile("ta 0x20\n\t" \
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"mov %%g1, %0\n\t" \
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"mov %%g2, %1\n\t" \
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: "=r" (ms_flags), "=r" (ms_saveret));
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#undef MACHINE_STATE_RESTORE
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#define MACHINE_STATE_RESTORE(ID) \
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asm volatile("mov %0, %%g1\n\t" \
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"mov %1, %%g2\n\t" \
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"ta 0x21\n\t" \
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: /* no outputs */ \
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: "r" (ms_flags), "r" (ms_saveret));
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