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/tmp/gdb-7.10/gdb/m68k-tdep.h
Go to the documentation of this file.
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/* Target-dependent code for the Motorola 68000 series.
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Copyright (C) 1990-2015 Free Software Foundation, Inc.
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This file is part of GDB.
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This program 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 3 of the License, or
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(at your option) any later version.
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This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef M68K_TDEP_H
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#define M68K_TDEP_H
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struct
frame_info
;
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/* Register numbers of various important registers. */
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enum
m68k_regnum
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{
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M68K_D0_REGNUM
= 0,
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M68K_D1_REGNUM
= 1,
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M68K_D2_REGNUM
= 2,
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M68K_D7_REGNUM
= 7,
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M68K_A0_REGNUM
= 8,
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M68K_A1_REGNUM
= 9,
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M68K_A2_REGNUM
= 10,
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M68K_FP_REGNUM
= 14,
/* Address of executing stack frame. */
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M68K_SP_REGNUM
= 15,
/* Address of top of stack. */
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M68K_PS_REGNUM
= 16,
/* Processor status. */
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M68K_PC_REGNUM
= 17,
/* Program counter. */
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M68K_FP0_REGNUM
= 18,
/* Floating point register 0. */
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M68K_FPC_REGNUM
= 26,
/* 68881 control register. */
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M68K_FPS_REGNUM
= 27,
/* 68881 status register. */
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M68K_FPI_REGNUM
= 28
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};
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/* Number of machine registers. */
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#define M68K_NUM_REGS (M68K_FPI_REGNUM + 1)
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/* Size of the largest register. */
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#define M68K_MAX_REGISTER_SIZE 12
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/* Convention for returning structures. */
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enum struct
_return
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{
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pcc_struct_return
,
/* Return "short" structures in memory. */
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reg_struct_return
/* Return "short" structures in registers. */
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};
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/* Particular flavour of m68k. */
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enum
m68k_flavour
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{
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m68k_no_flavour
,
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m68k_coldfire_flavour
,
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m68k_fido_flavour
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};
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/* Target-dependent structure in gdbarch. */
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struct
gdbarch_tdep
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{
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/* Offset to PC value in the jump buffer. If this is negative,
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longjmp support will be disabled. */
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int
jb_pc
;
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/* The size of each entry in the jump buffer. */
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size_t
jb_elt_size
;
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/* Register in which the address to store a structure value is
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passed to a function. */
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int
struct_value_regnum
;
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/* Convention for returning structures. */
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enum struct
_return
struct_return
;
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/* Convention for returning floats. zero in int regs, non-zero in float. */
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int
float_return
;
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/* The particular flavour of m68k. */
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enum
m68k_flavour
flavour
;
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/* Flag set if the floating point registers are present, or assumed
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to be present. */
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int
fpregs_present
;
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/* ISA-specific data types. */
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struct
type
*
m68k_ps_type
;
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struct
type
*
m68881_ext_type
;
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};
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/* Initialize a SVR4 architecture variant. */
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extern
void
m68k_svr4_init_abi
(
struct
gdbarch_info
,
struct
gdbarch
*);
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/* Functions exported from m68kbsd-tdep.c. */
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extern
int
m68kbsd_fpreg_offset
(
struct
gdbarch
*
gdbarch
,
int
regnum
);
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#endif
/* m68k-tdep.h */
gdbarch
Definition:
gdbarch.c:118
M68K_PC_REGNUM
Definition:
m68k-tdep.h:39
M68K_D2_REGNUM
Definition:
m68k-tdep.h:31
M68K_D1_REGNUM
Definition:
m68k-tdep.h:30
m68k_fido_flavour
Definition:
m68k-tdep.h:65
gdbarch_tdep::float_return
int float_return
Definition:
m68k-tdep.h:86
M68K_D0_REGNUM
Definition:
m68k-tdep.h:29
m68kbsd_fpreg_offset
int m68kbsd_fpreg_offset(struct gdbarch *gdbarch, int regnum)
Definition:
m68kbsd-tdep.c:42
m68k_flavour
m68k_flavour
Definition:
m68k-tdep.h:61
gdbarch_tdep
Definition:
aarch64-tdep.h:73
frame_info
Definition:
frame.c:76
pcc_struct_return
Definition:
m68k-tdep.h:56
M68K_SP_REGNUM
Definition:
m68k-tdep.h:37
gdbarch_tdep::flavour
enum m68k_flavour flavour
Definition:
m68k-tdep.h:89
M68K_A0_REGNUM
Definition:
m68k-tdep.h:33
M68K_A2_REGNUM
Definition:
m68k-tdep.h:35
struct_return
struct_return
Definition:
arm-tdep.h:148
gdbarch_tdep::jb_pc
int jb_pc
Definition:
aarch64-tdep.h:80
m68k_regnum
m68k_regnum
Definition:
m68k-tdep.h:27
type
Definition:
gdbtypes.h:749
reg_struct_return
Definition:
m68k-tdep.h:57
regnum
int regnum
Definition:
aarch64-tdep.c:69
m68k_svr4_init_abi
void m68k_svr4_init_abi(struct gdbarch_info, struct gdbarch *)
Definition:
m68k-tdep.c:1065
gdbarch_tdep::jb_elt_size
size_t jb_elt_size
Definition:
aarch64-tdep.h:83
M68K_PS_REGNUM
Definition:
m68k-tdep.h:38
m68k_no_flavour
Definition:
m68k-tdep.h:63
m68k_coldfire_flavour
Definition:
m68k-tdep.h:64
M68K_FPS_REGNUM
Definition:
m68k-tdep.h:42
M68K_D7_REGNUM
Definition:
m68k-tdep.h:32
M68K_FPI_REGNUM
Definition:
m68k-tdep.h:43
M68K_FP_REGNUM
Definition:
m68k-tdep.h:36
gdbarch_tdep::fpregs_present
int fpregs_present
Definition:
m68k-tdep.h:93
gdbarch_info
Definition:
gdbarch.h:1546
gdbarch_tdep::m68881_ext_type
struct type * m68881_ext_type
Definition:
m68k-tdep.h:97
M68K_FPC_REGNUM
Definition:
m68k-tdep.h:41
gdbarch_tdep::m68k_ps_type
struct type * m68k_ps_type
Definition:
m68k-tdep.h:96
M68K_A1_REGNUM
Definition:
m68k-tdep.h:34
gdbarch_tdep::struct_value_regnum
int struct_value_regnum
Definition:
m68k-tdep.h:80
M68K_FP0_REGNUM
Definition:
m68k-tdep.h:40
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