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c906108c SS |
1 | /* Macro definitions for GDB for a Sun 4 running Solaris 2 |
2 | Copyright 1989, 1992, 1993, 1994, 1995, 1997, 1998 | |
3 | Free Software Foundation, Inc. | |
4 | ||
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "sparc/tm-sparc.h" | |
23 | #include "tm-sysv4.h" | |
c5aa993b | 24 | |
c906108c SS |
25 | /* There are two different signal handler trampolines in Solaris2. */ |
26 | #define IN_SIGTRAMP(pc, name) \ | |
27 | ((name) \ | |
28 | && (STREQ ("sigacthandler", name) || STREQ ("ucbsigvechandler", name))) | |
c5aa993b | 29 | |
c906108c SS |
30 | /* The signal handler gets a pointer to an ucontext as third argument |
31 | if it is called from sigacthandler. This is the offset to the saved | |
32 | PC within it. sparc_frame_saved_pc knows how to deal with | |
c5aa993b | 33 | ucbsigvechandler. */ |
c906108c SS |
34 | #define SIGCONTEXT_PC_OFFSET 44 |
35 | ||
c5aa993b | 36 | #if 0 /* FIXME Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */ |
c906108c SS |
37 | |
38 | /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a | |
39 | comment in <machine/setjmp.h>! */ | |
40 | ||
41 | #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ | |
42 | ||
43 | #define JB_ONSSTACK 0 | |
44 | #define JB_SIGMASK 1 | |
45 | #define JB_SP 2 | |
46 | #define JB_PC 3 | |
47 | #define JB_NPC 4 | |
48 | #define JB_PSR 5 | |
49 | #define JB_G1 6 | |
50 | #define JB_O0 7 | |
51 | #define JB_WBCNT 8 | |
52 | ||
53 | /* Figure out where the longjmp will land. We expect that we have just entered | |
54 | longjmp and haven't yet setup the stack frame, so the args are still in the | |
55 | output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we | |
56 | extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
57 | This routine returns true on success */ | |
58 | ||
59 | extern int | |
60 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
61 | ||
62 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
c5aa993b | 63 | #endif /* 0 */ |
c906108c SS |
64 | |
65 | /* The SunPRO compiler puts out 0 instead of the address in N_SO symbols, | |
66 | and for SunPRO 3.0, N_FUN symbols too. */ | |
67 | #define SOFUN_ADDRESS_MAYBE_MISSING | |
68 | ||
69 | extern char *sunpro_static_transform_name PARAMS ((char *)); | |
70 | #define STATIC_TRANSFORM_NAME(x) sunpro_static_transform_name (x) | |
71 | #define IS_STATIC_TRANSFORM_NAME(name) ((name)[0] == '$') | |
72 | ||
73 | #define FAULTED_USE_SIGINFO | |
74 | ||
75 | /* Enable handling of shared libraries for a.out executables. */ | |
76 | #define HANDLE_SVR4_EXEC_EMULATORS | |
77 | ||
78 | /* Macros to extract process id and thread id from a composite pid/tid */ | |
79 | #define PIDGET(pid) ((pid) & 0xffff) | |
80 | #define TIDGET(pid) (((pid) >> 16) & 0xffff) | |
c5394b80 | 81 | #define MERGEPID(pid, tid) (((tid) << 16) | (pid)) |