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- /* Copyright (C) 2001-2022 Free Software Foundation, Inc.
- Contributed by Hans-Peter Nilsson <hp@bitrange.com>
- This file is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 3, or (at your option) any
- later version.
- This file is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- Under Section 7 of GPL version 3, you are granted additional
- permissions described in the GCC Runtime Library Exception, version
- 3.1, as published by the Free Software Foundation.
- You should have received a copy of the GNU General Public License and
- a copy of the GCC Runtime Library Exception along with this program;
- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- <http://www.gnu.org/licenses/>. */
- % This must be the last file on the link-line, allocating global registers
- % from the top.
- % Register $254 is the stack-pointer.
- sp GREG
- % Register $253 is frame-pointer. It's not supposed to be used in most
- % functions.
- fp GREG
- % $252 is the static chain register; nested functions receive the
- % context of the surrounding function through a pointer passed in this
- % register.
- static_chain GREG
- struct_value_reg GREG
- % These registers are used to pass state at an exceptional return (C++).
- eh_state_3 GREG
- eh_state_2 GREG
- eh_state_1 GREG
- eh_state_0 GREG
- #ifdef __MMIX_ABI_GNU__
- % Allocate global registers used by the GNU ABI.
- gnu_parm_reg_16 GREG
- gnu_parm_reg_15 GREG
- gnu_parm_reg_14 GREG
- gnu_parm_reg_13 GREG
- gnu_parm_reg_12 GREG
- gnu_parm_reg_11 GREG
- gnu_parm_reg_10 GREG
- gnu_parm_reg_9 GREG
- gnu_parm_reg_8 GREG
- gnu_parm_reg_7 GREG
- gnu_parm_reg_6 GREG
- gnu_parm_reg_5 GREG
- gnu_parm_reg_4 GREG
- gnu_parm_reg_3 GREG
- gnu_parm_reg_2 GREG
- gnu_parm_reg_1 GREG
- #endif /* __MMIX_ABI_GNU__ */
- % Provide last part of _init and _fini.
- % The return address is stored in the topmost stored register in the
- % register-stack. We ignore the current value in rJ. It is probably
- % garbage because each fragment of _init and _fini may have their own idea
- % of the current stack frame, if they're cut out from a "real" function
- % like in gcc/crtstuff.c.
- .section .init,"ax",@progbits
- GETA $255,0F
- PUT rJ,$255
- POP 0,0
- 0H PUT rJ,$0
- POP 0,0
-
- .section .fini,"ax",@progbits
- GETA $255,0F
- PUT rJ,$255
- POP 0,0
- 0H PUT rJ,$0
- POP 0,0
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