]>
Commit | Line | Data |
---|---|---|
dd3b648e RP |
1 | /* Low level interface to ptrace, for GDB when running under Unix. |
2 | Copyright (C) 1988, 1989 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
99a7de40 | 6 | This program is free software; you can redistribute it and/or modify |
dd3b648e | 7 | it under the terms of the GNU General Public License as published by |
99a7de40 JG |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. | |
dd3b648e | 10 | |
99a7de40 | 11 | This program is distributed in the hope that it will be useful, |
dd3b648e RP |
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
99a7de40 JG |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
dd3b648e RP |
19 | |
20 | /*** Prettier register printing. ***/ | |
21 | ||
22 | /* Print registers in the same format as pyramid's dbx, adb, sdb. */ | |
23 | pyr_print_registers(reg_buf, regnum) | |
24 | long *reg_buf[]; | |
25 | { | |
26 | register int regno; | |
27 | int usp, ksp; | |
28 | struct user u; | |
29 | ||
30 | for (regno = 0; regno < 16; regno++) { | |
31 | printf/*_filtered*/ ("%6.6s: %8x %6.6s: %8x %6s: %8x %6s: %8x\n", | |
32 | reg_names[regno], reg_buf[regno], | |
33 | reg_names[regno+16], reg_buf[regno+16], | |
34 | reg_names[regno+32], reg_buf[regno+32], | |
35 | reg_names[regno+48], reg_buf[regno+48]); | |
36 | } | |
37 | usp = ptrace (3, inferior_pid, | |
38 | ((char *)&u.u_pcb.pcb_usp) - | |
39 | ((char *)&u), 0); | |
40 | ksp = ptrace (3, inferior_pid, | |
41 | ((char *)&u.u_pcb.pcb_ksp) - | |
42 | ((char *)&u), 0); | |
43 | printf/*_filtered*/ ("\n%6.6s: %8x %6.6s: %8x (%08x) %6.6s %8x\n", | |
44 | reg_names[CSP_REGNUM],reg_buf[CSP_REGNUM], | |
45 | reg_names[KSP_REGNUM], reg_buf[KSP_REGNUM], ksp, | |
46 | "usp", usp); | |
47 | } | |
48 | ||
361bf6ee JG |
49 | /* Print the register regnum, or all registers if regnum is -1. |
50 | fpregs is currently ignored. */ | |
dd3b648e | 51 | |
361bf6ee | 52 | pyr_do_registers_info (regnum, fpregs) |
dd3b648e | 53 | int regnum; |
361bf6ee | 54 | int fpregs; |
dd3b648e RP |
55 | { |
56 | /* On a pyr, we know a virtual register can always fit in an long. | |
57 | Here (and elsewhere) we take advantage of that. Yuk. */ | |
58 | long raw_regs[MAX_REGISTER_RAW_SIZE*NUM_REGS]; | |
59 | register int i; | |
60 | ||
61 | for (i = 0 ; i < 64 ; i++) { | |
62 | read_relative_register_raw_bytes(i, raw_regs+i); | |
63 | } | |
64 | if (regnum == -1) | |
65 | pyr_print_registers (raw_regs, regnum); | |
66 | else | |
67 | for (i = 0; i < NUM_REGS; i++) | |
68 | if (i == regnum) { | |
69 | long val = raw_regs[i]; | |
70 | ||
71 | fputs_filtered (reg_names[i], stdout); | |
72 | printf_filtered(":"); | |
73 | print_spaces_filtered (6 - strlen (reg_names[i]), stdout); | |
74 | if (val == 0) | |
75 | printf_filtered ("0"); | |
76 | else | |
77 | printf_filtered ("0x%08x %d", val, val); | |
78 | printf_filtered("\n"); | |
79 | } | |
80 | } | |
81 | \f | |
82 | /*** Debugging editions of various macros from m-pyr.h ****/ | |
83 | ||
84 | CORE_ADDR frame_locals_address (frame) | |
85 | FRAME frame; | |
86 | { | |
87 | register int addr = find_saved_register (frame,CFP_REGNUM); | |
88 | register int result = read_memory_integer (addr, 4); | |
89 | #ifdef PYRAMID_CONTROL_FRAME_DEBUGGING | |
90 | fprintf (stderr, | |
91 | "\t[[..frame_locals:%8x, %s= %x @%x fcfp= %x foo= %x\n\t gr13=%x pr13=%x tr13=%x @%x]]\n", | |
92 | frame->frame, | |
93 | reg_names[CFP_REGNUM], | |
94 | result, addr, | |
95 | frame->frame_cfp, (CFP_REGNUM), | |
96 | ||
97 | ||
98 | read_register(13), read_register(29), read_register(61), | |
99 | find_saved_register(frame, 61)); | |
100 | #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING */ | |
101 | ||
102 | /* FIXME: I thought read_register (CFP_REGNUM) should be the right answer; | |
103 | or at least CFP_REGNUM relative to FRAME (ie, result). | |
104 | There seems to be a bug in the way the innermost frame is set up. */ | |
105 | ||
106 | return ((frame->next) ? result: frame->frame_cfp); | |
107 | } | |
108 | ||
109 | CORE_ADDR frame_args_addr (frame) | |
110 | FRAME frame; | |
111 | { | |
112 | register int addr = find_saved_register (frame,CFP_REGNUM); | |
113 | register int result = read_memory_integer (addr, 4); | |
114 | ||
115 | #ifdef PYRAMID_CONTROL_FRAME_DEBUGGING | |
116 | fprintf (stderr, | |
117 | "\t[[..frame_args:%8x, %s= %x @%x fcfp= %x r_r= %x\n\t gr13=%x pr13=%x tr13=%x @%x]]\n", | |
118 | frame->frame, | |
119 | reg_names[CFP_REGNUM], | |
120 | result, addr, | |
121 | frame->frame_cfp, read_register(CFP_REGNUM), | |
122 | ||
123 | read_register(13), read_register(29), read_register(61), | |
124 | find_saved_register(frame, 61)); | |
125 | #endif /* PYRAMID_CONTROL_FRAME_DEBUGGING */ | |
126 | ||
127 | /* FIXME: I thought read_register (CFP_REGNUM) should be the right answer; | |
128 | or at least CFP_REGNUM relative to FRAME (ie, result). | |
129 | There seems to be a bug in the way the innermost frame is set up. */ | |
130 | return ((frame->next) ? result: frame->frame_cfp); | |
131 | } |