/* Target-dependent code for the Motorola 68000 series.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000,
- 2001, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001,
+ 2003, 2004, 2007 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#ifndef M68K_TDEP_H
#define M68K_TDEP_H
{
M68K_D0_REGNUM = 0,
M68K_D1_REGNUM = 1,
+ M68K_D2_REGNUM = 2,
+ M68K_D7_REGNUM = 7,
M68K_A0_REGNUM = 8,
M68K_A1_REGNUM = 9,
+ M68K_A2_REGNUM = 10,
M68K_FP_REGNUM = 14, /* Address of executing stack frame. */
M68K_SP_REGNUM = 15, /* Address of top of stack. */
M68K_PS_REGNUM = 16, /* Processor status. */
/* Size of the largest register. */
#define M68K_MAX_REGISTER_SIZE 12
-struct m68k_sigtramp_info
-{
- /* Address of sigcontext. */
- CORE_ADDR sigcontext_addr;
-
- /* Offset of registers in `struct sigcontext'. */
- int *sc_reg_offset;
-};
-
/* Convention for returning structures. */
enum struct_return
reg_struct_return /* Return "short" structures in registers. */
};
+/* Particular flavour of m68k. */
+enum m68k_flavour
+ {
+ m68k_no_flavour,
+ m68k_coldfire_flavour,
+ m68k_fido_flavour
+ };
+
/* Target-dependent structure in gdbarch. */
struct gdbarch_tdep
/* The size of each entry in the jump buffer. */
size_t jb_elt_size;
- /* Get info about sigtramp. */
- struct m68k_sigtramp_info (*get_sigtramp_info) (struct frame_info *);
+ /* Register in which the address to store a structure value is
+ passed to a function. */
+ int struct_value_regnum;
/* Convention for returning structures. */
enum struct_return struct_return;
+
+ /* Convention for returning floats. zero in int regs, non-zero in float. */
+ int float_return;
+
+ /* The particular flavour of m68k. */
+ enum m68k_flavour flavour;
+
+ /* Flag set if the floating point registers are present, or assumed
+ to be present. */
+ int fpregs_present;
};
+/* Initialize a SVR4 architecture variant. */
+extern void m68k_svr4_init_abi (struct gdbarch_info, struct gdbarch *);
+\f
+
/* Functions exported from m68kbsd-tdep.c. */
extern int m68kbsd_fpreg_offset (int regnum);