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c906108c SS |
1 | /* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger. |
2 | Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | #define HOST_BYTE_ORDER BIG_ENDIAN | |
22 | ||
23 | /* Define this to indicate problems with traps after continuing. */ | |
24 | #define HP_OS_BUG | |
25 | ||
26 | /* Set flag to indicate whether HP's assembler is in use. */ | |
27 | #ifdef __GNUC__ | |
28 | #ifdef __HPUX_ASM__ | |
29 | #define HPUX_ASM | |
30 | #endif | |
31 | #else /* not GNU C. */ | |
32 | #define HPUX_ASM | |
33 | #endif /* not GNU C. */ | |
34 | ||
35 | /* Define this for versions of hp-ux older than 6.0 */ | |
36 | /* #define HPUX_VERSION_5 */ | |
37 | ||
38 | /* define USG if you are using sys5 /usr/include's */ | |
c5aa993b | 39 | #undef USG /* In case it was defined in the Makefile for cplus-dem.c */ |
c906108c SS |
40 | #define USG |
41 | ||
42 | #define HAVE_TERMIOS | |
43 | ||
44 | #define REGISTER_ADDR(u_ar0, regno) \ | |
45 | (unsigned int) \ | |
46 | (((regno) < PS_REGNUM) \ | |
47 | ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \ | |
48 | : (((regno) == PS_REGNUM) \ | |
49 | ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \ | |
50 | : (&((struct exception_stack *) (u_ar0))->e_PC))) | |
51 | ||
52 | #define FP_REGISTER_ADDR(u, regno) \ | |
53 | (((char *) \ | |
54 | (((regno) < FPC_REGNUM) \ | |
55 | ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \ | |
56 | : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \ | |
57 | - ((char *) (& u))) | |
58 | \f | |
59 | /* Interface definitions for kernel debugger KDB. */ | |
60 | ||
61 | /* Map machine fault codes into signal numbers. | |
62 | First subtract 0, divide by 4, then index in a table. | |
63 | Faults for which the entry in this table is 0 | |
64 | are not handled by KDB; the program's own trap handler | |
65 | gets to handle then. */ | |
66 | ||
67 | #define FAULT_CODE_ORIGIN 0 | |
68 | #define FAULT_CODE_UNITS 4 | |
69 | #define FAULT_TABLE \ | |
70 | { 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ | |
71 | 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ | |
72 | 0, 0, 0, 0, 0, 0, 0, 0, \ | |
73 | SIGILL } | |
74 | ||
75 | #ifndef HPUX_ASM | |
76 | ||
77 | /* Start running with a stack stretching from BEG to END. | |
78 | BEG and END should be symbols meaningful to the assembler. | |
79 | This is used only for kdb. */ | |
80 | ||
81 | #define INIT_STACK(beg, end) \ | |
82 | { asm (".globl end"); \ | |
83 | asm ("movel $ end, sp"); \ | |
84 | asm ("clrl fp"); } | |
85 | ||
86 | /* Push the frame pointer register on the stack. */ | |
87 | #define PUSH_FRAME_PTR \ | |
88 | asm ("movel fp, -(sp)"); | |
89 | ||
90 | /* Copy the top-of-stack to the frame pointer register. */ | |
91 | #define POP_FRAME_PTR \ | |
92 | asm ("movl (sp), fp"); | |
93 | ||
94 | /* After KDB is entered by a fault, push all registers | |
95 | that GDB thinks about (all NUM_REGS of them), | |
96 | so that they appear in order of ascending GDB register number. | |
97 | The fault code will be on the stack beyond the last register. */ | |
98 | ||
99 | #define PUSH_REGISTERS \ | |
100 | { asm ("clrw -(sp)"); \ | |
101 | asm ("pea 10(sp)"); \ | |
102 | asm ("movem $ 0xfffe,-(sp)"); } | |
103 | ||
104 | /* Assuming the registers (including processor status) have been | |
105 | pushed on the stack in order of ascending GDB register number, | |
106 | restore them and return to the address in the saved PC register. */ | |
107 | ||
108 | #define POP_REGISTERS \ | |
109 | { asm ("subil $8,28(sp)"); \ | |
110 | asm ("movem (sp),$ 0xffff"); \ | |
111 | asm ("rte"); } | |
112 | ||
113 | #else /* HPUX_ASM */ | |
114 | ||
115 | /* Start running with a stack stretching from BEG to END. | |
116 | BEG and END should be symbols meaningful to the assembler. | |
117 | This is used only for kdb. */ | |
118 | ||
119 | #define INIT_STACK(beg, end) \ | |
120 | { asm ("global end"); \ | |
121 | asm ("mov.l &end,%sp"); \ | |
122 | asm ("clr.l %a6"); } | |
123 | ||
124 | /* Push the frame pointer register on the stack. */ | |
125 | #define PUSH_FRAME_PTR \ | |
126 | asm ("mov.l %fp,-(%sp)"); | |
127 | ||
128 | /* Copy the top-of-stack to the frame pointer register. */ | |
129 | #define POP_FRAME_PTR \ | |
130 | asm ("mov.l (%sp),%fp"); | |
131 | ||
132 | /* After KDB is entered by a fault, push all registers | |
133 | that GDB thinks about (all NUM_REGS of them), | |
134 | so that they appear in order of ascending GDB register number. | |
135 | The fault code will be on the stack beyond the last register. */ | |
136 | ||
137 | #define PUSH_REGISTERS \ | |
138 | { asm ("clr.w -(%sp)"); \ | |
139 | asm ("pea 10(%sp)"); \ | |
140 | asm ("movm.l &0xfffe,-(%sp)"); } | |
141 | ||
142 | /* Assuming the registers (including processor status) have been | |
143 | pushed on the stack in order of ascending GDB register number, | |
144 | restore them and return to the address in the saved PC register. */ | |
145 | ||
146 | #define POP_REGISTERS \ | |
147 | { asm ("subi.l &8,28(%sp)"); \ | |
148 | asm ("mov.m (%sp),&0xffff"); \ | |
149 | asm ("rte"); } | |
150 | ||
151 | #endif /* HPUX_ASM */ |