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c906108c SS |
1 | /* Macro definitions for GDB for a PowerPC running Solaris 2 |
2 | Copyright 1996 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include "powerpc/tm-ppc-eabi.h" | |
21 | ||
22 | /* There are two different signal handler trampolines in Solaris2. */ | |
23 | #define IN_SIGTRAMP(pc, name) \ | |
24 | ((name) \ | |
25 | && (STREQ ("sigacthandler", name) || STREQ ("ucbsigvechandler", name))) | |
26 | ||
27 | /* The signal handler gets a pointer to an ucontext as third argument | |
28 | if it is called from sigacthandler. This is the offset to the saved | |
29 | PC within it. sparc_frame_saved_pc knows how to deal with | |
30 | ucbsigvechandler. */ | |
31 | #define SIGCONTEXT_PC_OFFSET 44 | |
32 | ||
33 | #if 0 /* FIXME Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */ | |
34 | ||
35 | /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a | |
36 | comment in <machine/setjmp.h>! */ | |
37 | ||
38 | #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ | |
39 | ||
40 | #define JB_ONSSTACK 0 | |
41 | #define JB_SIGMASK 1 | |
42 | #define JB_SP 2 | |
43 | #define JB_PC 3 | |
44 | #define JB_NPC 4 | |
45 | #define JB_PSR 5 | |
46 | #define JB_G1 6 | |
47 | #define JB_O0 7 | |
48 | #define JB_WBCNT 8 | |
49 | ||
50 | /* Figure out where the longjmp will land. We expect that we have just entered | |
51 | longjmp and haven't yet setup the stack frame, so the args are still in the | |
52 | output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we | |
53 | extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
54 | This routine returns true on success */ | |
55 | ||
56 | extern int | |
57 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
58 | ||
59 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
60 | #endif /* 0 */ | |
61 | ||
62 | /* The SunPRO compiler puts out 0 instead of the address in N_SO symbols, | |
63 | and for SunPRO 3.0, N_FUN symbols too. */ | |
64 | #define SOFUN_ADDRESS_MAYBE_MISSING | |
65 | ||
66 | #if 0 | |
67 | extern char *sunpro_static_transform_name PARAMS ((char *)); | |
68 | #define STATIC_TRANSFORM_NAME(x) sunpro_static_transform_name (x) | |
69 | #endif | |
70 | ||
71 | #define FAULTED_USE_SIGINFO | |
72 | ||
73 | /* Enable handling of shared libraries for a.out executables. */ | |
74 | #define HANDLE_SVR4_EXEC_EMULATORS |