1 /* Target-dependent code for the Motorola 68000 series.
3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000,
4 2001, 2003, 2004 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
28 /* Register numbers of various important registers. */
36 M68K_FP_REGNUM
= 14, /* Address of executing stack frame. */
37 M68K_SP_REGNUM
= 15, /* Address of top of stack. */
38 M68K_PS_REGNUM
= 16, /* Processor status. */
39 M68K_PC_REGNUM
= 17, /* Program counter. */
40 M68K_FP0_REGNUM
= 18, /* Floating point register 0. */
41 M68K_FPC_REGNUM
= 26, /* 68881 control register. */
42 M68K_FPS_REGNUM
= 27, /* 68881 status register. */
46 /* Number of machine registers. */
47 #define M68K_NUM_REGS (M68K_FPI_REGNUM + 1)
49 /* Size of the largest register. */
50 #define M68K_MAX_REGISTER_SIZE 12
52 struct m68k_sigtramp_info
54 /* Address of sigcontext. */
55 CORE_ADDR sigcontext_addr
;
57 /* Offset of registers in `struct sigcontext'. */
61 /* Convention for returning structures. */
65 pcc_struct_return
, /* Return "short" structures in memory. */
66 reg_struct_return
/* Return "short" structures in registers. */
69 /* Target-dependent structure in gdbarch. */
73 /* Offset to PC value in the jump buffer. If this is negative,
74 longjmp support will be disabled. */
76 /* The size of each entry in the jump buffer. */
79 /* Get info about sigtramp. */
80 struct m68k_sigtramp_info (*get_sigtramp_info
) (struct frame_info
*);
82 /* Convention for returning structures. */
83 enum struct_return struct_return
;
86 #endif /* m68k-tdep.h */