/* Copyright (C) 2001, 2002, 2009 Free Software Foundation, Inc.
|
/* Copyright (C) 2001, 2002, 2009 Free Software Foundation, Inc.
|
Contributed by Hans-Peter Nilsson
|
Contributed by Hans-Peter Nilsson
|
|
|
This file is free software; you can redistribute it and/or modify it
|
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
|
under the terms of the GNU General Public License as published by the
|
Free Software Foundation; either version 3, or (at your option) any
|
Free Software Foundation; either version 3, or (at your option) any
|
later version.
|
later version.
|
|
|
This file is distributed in the hope that it will be useful, but
|
This file is distributed in the hope that it will be useful, but
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
General Public License for more details.
|
General Public License for more details.
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
Under Section 7 of GPL version 3, you are granted additional
|
permissions described in the GCC Runtime Library Exception, version
|
permissions described in the GCC Runtime Library Exception, version
|
3.1, as published by the Free Software Foundation.
|
3.1, as published by the Free Software Foundation.
|
|
|
You should have received a copy of the GNU General Public License and
|
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;
|
a copy of the GCC Runtime Library Exception along with this program;
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
. */
|
. */
|
|
|
% This must be the last file on the link-line, allocating global registers
|
% This must be the last file on the link-line, allocating global registers
|
% from the top.
|
% from the top.
|
|
|
% Register $254 is the stack-pointer.
|
% Register $254 is the stack-pointer.
|
sp GREG
|
sp GREG
|
|
|
% Register $253 is frame-pointer. It's not supposed to be used in most
|
% Register $253 is frame-pointer. It's not supposed to be used in most
|
% functions.
|
% functions.
|
fp GREG
|
fp GREG
|
|
|
% $252 is the static chain register; nested functions receive the
|
% $252 is the static chain register; nested functions receive the
|
% context of the surrounding function through a pointer passed in this
|
% context of the surrounding function through a pointer passed in this
|
% register.
|
% register.
|
static_chain GREG
|
static_chain GREG
|
struct_value_reg GREG
|
struct_value_reg GREG
|
|
|
% These registers are used to pass state at an exceptional return (C++).
|
% These registers are used to pass state at an exceptional return (C++).
|
eh_state_3 GREG
|
eh_state_3 GREG
|
eh_state_2 GREG
|
eh_state_2 GREG
|
eh_state_1 GREG
|
eh_state_1 GREG
|
eh_state_0 GREG
|
eh_state_0 GREG
|
|
|
#ifdef __MMIX_ABI_GNU__
|
#ifdef __MMIX_ABI_GNU__
|
|
|
% Allocate global registers used by the GNU ABI.
|
% Allocate global registers used by the GNU ABI.
|
gnu_parm_reg_16 GREG
|
gnu_parm_reg_16 GREG
|
gnu_parm_reg_15 GREG
|
gnu_parm_reg_15 GREG
|
gnu_parm_reg_14 GREG
|
gnu_parm_reg_14 GREG
|
gnu_parm_reg_13 GREG
|
gnu_parm_reg_13 GREG
|
gnu_parm_reg_12 GREG
|
gnu_parm_reg_12 GREG
|
gnu_parm_reg_11 GREG
|
gnu_parm_reg_11 GREG
|
gnu_parm_reg_10 GREG
|
gnu_parm_reg_10 GREG
|
gnu_parm_reg_9 GREG
|
gnu_parm_reg_9 GREG
|
gnu_parm_reg_8 GREG
|
gnu_parm_reg_8 GREG
|
gnu_parm_reg_7 GREG
|
gnu_parm_reg_7 GREG
|
gnu_parm_reg_6 GREG
|
gnu_parm_reg_6 GREG
|
gnu_parm_reg_5 GREG
|
gnu_parm_reg_5 GREG
|
gnu_parm_reg_4 GREG
|
gnu_parm_reg_4 GREG
|
gnu_parm_reg_3 GREG
|
gnu_parm_reg_3 GREG
|
gnu_parm_reg_2 GREG
|
gnu_parm_reg_2 GREG
|
gnu_parm_reg_1 GREG
|
gnu_parm_reg_1 GREG
|
|
|
#endif /* __MMIX_ABI_GNU__ */
|
#endif /* __MMIX_ABI_GNU__ */
|
|
|
% Provide last part of _init and _fini.
|
% Provide last part of _init and _fini.
|
|
|
% The return address is stored in the topmost stored register in the
|
% The return address is stored in the topmost stored register in the
|
% register-stack. We ignore the current value in rJ. It is probably
|
% 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
|
% 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
|
% of the current stack frame, if they're cut out from a "real" function
|
% like in gcc/crtstuff.c.
|
% like in gcc/crtstuff.c.
|
|
|
.section .init,"ax",@progbits
|
.section .init,"ax",@progbits
|
GETA $255,0F
|
GETA $255,0F
|
PUT rJ,$255
|
PUT rJ,$255
|
POP 0,0
|
POP 0,0
|
0H PUT rJ,$0
|
0H PUT rJ,$0
|
POP 0,0
|
POP 0,0
|
|
|
.section .fini,"ax",@progbits
|
.section .fini,"ax",@progbits
|
GETA $255,0F
|
GETA $255,0F
|
PUT rJ,$255
|
PUT rJ,$255
|
POP 0,0
|
POP 0,0
|
0H PUT rJ,$0
|
0H PUT rJ,$0
|
POP 0,0
|
POP 0,0
|
|
|
