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c906108c SS |
1 | /* Target machine sub-parameters for SPARC64, for GDB, the GNU debugger. |
2 | This is included by other tm-*.h files to define SPARC64 cpu-related info. | |
b6ba6518 KB |
3 | Copyright 1994, 1995, 1996, 1998, 1999, 2000 |
4 | Free Software Foundation, Inc. | |
c906108c SS |
5 | This is (obviously) based on the SPARC Vn (n<9) port. |
6 | Contributed by Doug Evans (dje@cygnus.com). | |
7 | Further modified by Bob Manson (manson@cygnus.com). | |
8 | ||
c5aa993b | 9 | This file is part of GDB. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is free software; you can redistribute it and/or modify |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
c906108c | 15 | |
c5aa993b JM |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
c906108c | 20 | |
c5aa993b JM |
21 | You should have received a copy of the GNU General Public License |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | Boston, MA 02111-1307, USA. */ | |
c906108c | 25 | |
da3331ec AC |
26 | struct type; |
27 | ||
5af923b0 MS |
28 | #ifndef GDB_TARGET_IS_SPARC64 |
29 | #define GDB_TARGET_IS_SPARC64 1 | |
30 | #endif | |
31 | ||
32 | #include "sparc/tm-sparc.h" | |
c906108c SS |
33 | |
34 | /* Eeeew. Ok, we have to assume (for now) that the processor really is | |
35 | in sparc64 mode. While this is the same instruction sequence as | |
36 | on the Sparc, the stack frames are offset by +2047 (and the arguments | |
37 | are 8 bytes instead of 4). */ | |
38 | /* Instructions are: | |
39 | std %f10, [ %fp + 0x7a7 ] | |
40 | std %f8, [ %fp + 0x79f ] | |
41 | std %f6, [ %fp + 0x797 ] | |
42 | std %f4, [ %fp + 0x78f ] | |
43 | std %f2, [ %fp + 0x787 ] | |
44 | std %f0, [ %fp + 0x77f ] | |
45 | std %g6, [ %fp + 0x777 ] | |
46 | std %g4, [ %fp + 0x76f ] | |
47 | std %g2, [ %fp + 0x767 ] | |
48 | std %g0, [ %fp + 0x75f ] | |
49 | std %fp, [ %fp + 0x757 ] | |
50 | std %i4, [ %fp + 0x74f ] | |
51 | std %i2, [ %fp + 0x747 ] | |
52 | std %i0, [ %fp + 0x73f ] | |
53 | nop | |
54 | nop | |
55 | nop | |
56 | nop | |
57 | rd %tbr, %o0 | |
58 | st %o0, [ %fp + 0x72b ] | |
59 | rd %tpc, %o0 | |
60 | st %o0, [ %fp + 0x727 ] | |
61 | rd %psr, %o0 | |
62 | st %o0, [ %fp + 0x723 ] | |
63 | rd %y, %o0 | |
64 | st %o0, [ %fp + 0x71f ] | |
65 | ldx [ %sp + 0x8a7 ], %o5 | |
66 | ldx [ %sp + 0x89f ], %o4 | |
67 | ldx [ %sp + 0x897 ], %o3 | |
68 | ldx [ %sp + 0x88f ], %o2 | |
69 | ldx [ %sp + 0x887 ], %o1 | |
70 | call %g0 | |
71 | ldx [ %sp + 0x87f ], %o0 | |
72 | nop | |
73 | ta 1 | |
74 | nop | |
75 | nop | |
c5aa993b | 76 | */ |
c906108c | 77 | |
c906108c SS |
78 | /* Offsets into jmp_buf. |
79 | FIXME: This was borrowed from the v8 stuff and will probably have to change | |
80 | for v9. */ | |
81 | ||
82 | #define JB_ELEMENT_SIZE 8 /* Size of each element in jmp_buf */ | |
83 | ||
84 | #define JB_ONSSTACK 0 | |
85 | #define JB_SIGMASK 1 | |
86 | #define JB_SP 2 | |
87 | #define JB_PC 3 | |
88 | #define JB_NPC 4 | |
89 | #define JB_PSR 5 | |
90 | #define JB_G1 6 | |
91 | #define JB_O0 7 | |
92 | #define JB_WBCNT 8 | |
93 | ||
5af923b0 MS |
94 | /* Figure out where the longjmp will land. We expect that we have |
95 | just entered longjmp and haven't yet setup the stack frame, so the | |
96 | args are still in the output regs. %o0 (O0_REGNUM) points at the | |
97 | jmp_buf structure from which we extract the pc (JB_PC) that we will | |
98 | land at. The pc is copied into ADDR. This routine returns true on | |
99 | success */ | |
c906108c | 100 | |
a14ed312 | 101 | extern int get_longjmp_target (CORE_ADDR *); |
c906108c SS |
102 | |
103 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
104 | ||
c906108c SS |
105 | #undef TM_PRINT_INSN_MACH |
106 | #define TM_PRINT_INSN_MACH bfd_mach_sparc_v9a | |
107 |