1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* Macro definitions for Power PC running embedded ABI.
Copyright 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 2 of the License, or
(at your option) any later version.
This program 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.
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. */
#ifndef TM_PPC_EABI_H
#define TM_PPC_EABI_H
/* Use generic RS6000 definitions. */
#include "rs6000/tm-rs6000.h"
/* except we want to allow single stepping */
#undef SOFTWARE_SINGLE_STEP_P
#define SOFTWARE_SINGLE_STEP_P 0
#undef DEFAULT_LR_SAVE
#define DEFAULT_LR_SAVE 4 /* eabi saves LR at 4 off of SP */
#define GDB_TARGET_POWERPC
#undef PC_LOAD_SEGMENT
#undef PROCESS_LINENUMBER_HOOK
#undef TEXT_SEGMENT_BASE
#define TEXT_SEGMENT_BASE 1
/* Say that we're using ELF, not XCOFF. */
#define ELF_OBJECT_FORMAT 1
#define TARGET_BYTE_ORDER_SELECTABLE_P 1
/* return true if a given `pc' value is in `call dummy' function. */
/* FIXME: This just checks for the end of the stack, which is broken
for things like stepping through gcc nested function stubs. */
#undef PC_IN_CALL_DUMMY
#define PC_IN_CALL_DUMMY(STOP_PC, STOP_SP, STOP_FRAME_ADDR) \
(STOP_SP < STOP_PC)
/* generic dummy frame stuff */
/* target-specific dummy_frame stuff */
extern struct frame_info *rs6000_pop_frame PARAMS ((struct frame_info *frame));
extern CORE_ADDR ppc_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
extern CORE_ADDR rs6000_push_arguments PARAMS ((int nargs,
struct value **args,
CORE_ADDR sp,
unsigned char struct_return,
CORE_ADDR struct_addr));
#undef PUSH_DUMMY_FRAME
#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
#define PUSH_RETURN_ADDRESS(PC, SP) ppc_push_return_address (PC, SP)
/* override the standard get_saved_register function with
one that takes account of generic CALL_DUMMY frames */
#define GET_SAVED_REGISTER
#define USE_GENERIC_DUMMY_FRAMES
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
#define CALL_DUMMY_ADDRESS() entry_point_address ()
#undef CALL_DUMMY_START_OFFSET
#define CALL_DUMMY_START_OFFSET 0
#endif /* TM_PPC_EABI_H */
|
