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93297ea0 JG |
1 | /* Macro definitions for GDB for a Sun 4 running Solaris 2 |
2 | Copyright (C) 1989, 1992 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | #include "tm-sparc.h" | |
21 | ||
22 | #include "tm-sysv4.h" | |
23 | ||
24 | #undef STACK_END_ADDRESS | |
25 | #define STACK_END_ADDRESS 0xf8000000 | |
26 | ||
27 | /* The values of N_SLINE, N_LBRAC, N_RBRAC symbols in .stab sections are | |
28 | relative to the current function, rather than being absolute or | |
29 | relative to the current N_SO. */ | |
30 | ||
31 | #define BLOCK_ADDRESS_FUNCTION_RELATIVE | |
32 | ||
ec8ceca3 JG |
33 | /* Variables in the debug stabs occur after the N_LBRAC, not before it, |
34 | in code generated by Sun C. */ | |
93297ea0 | 35 | |
ec8ceca3 JG |
36 | #define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (!(gcc_p)) |
37 | ||
38 | /* There's no need to correct LBRAC entries by guessing how they should | |
39 | work. In fact, this is harmful because the LBRAC entries now all appear | |
40 | at the end of the function, not intermixed with the SLINE entries. */ | |
41 | ||
42 | #define SUN_FIXED_LBRAC_BUG | |
93297ea0 JG |
43 | |
44 | /* May be needed, may be not? From Pace Willisson's port. FIXME. */ | |
45 | #define PROLOGUE_FIRSTLINE_OVERLAP | |
46 | ||
47 | ||
48 | #if 0 /* Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */ | |
49 | ||
50 | /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a | |
51 | comment in <machine/setjmp.h>! */ | |
52 | ||
53 | #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ | |
54 | ||
55 | #define JB_ONSSTACK 0 | |
56 | #define JB_SIGMASK 1 | |
57 | #define JB_SP 2 | |
58 | #define JB_PC 3 | |
59 | #define JB_NPC 4 | |
60 | #define JB_PSR 5 | |
61 | #define JB_G1 6 | |
62 | #define JB_O0 7 | |
63 | #define JB_WBCNT 8 | |
64 | ||
65 | /* Figure out where the longjmp will land. We expect that we have just entered | |
66 | longjmp and haven't yet setup the stack frame, so the args are still in the | |
67 | output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we | |
68 | extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
69 | This routine returns true on success */ | |
70 | ||
71 | extern int | |
72 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
73 | ||
74 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
75 | #endif /* 0 */ |