projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 5076de82 | 1 | /* Macro definitions for GDB for a Sun 4 running Solaris 2 |
| f57318eb | 2 | Copyright 1989, 1992, 1993, 1994 Free Software Foundation, Inc. |
| 5076de82 FF |
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 "sparc/tm-sparc.h" | |
| 21 | #include "tm-sysv4.h" | |
| ad9f5e78 | 22 | |
| f57318eb PS |
23 | /* There are two different signal handler trampolines in Solaris2. */ |
| 24 | #define IN_SIGTRAMP(pc, name) \ | |
| 25 | ((name) \ | |
| 26 | && (STREQ ("sigacthandler", name) || STREQ ("ucbsigvechandler", name))) | |
| ad9f5e78 | 27 | |
| f57318eb PS |
28 | /* The signal handler gets a pointer to an ucontext as third argument |
| 29 | if it is called from sigacthandler. This is the offset to the saved | |
| 30 | PC within it. sparc_frame_saved_pc knows how to deal with | |
| 31 | ucbsigvechandler. */ | |
| ad9f5e78 | 32 | #define SIGCONTEXT_PC_OFFSET 44 |
| 2093fe68 | 33 | |
| 5076de82 FF |
34 | #if 0 /* FIXME Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */ |
| 35 | ||
| 36 | /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a | |
| 37 | comment in <machine/setjmp.h>! */ | |
| 38 | ||
| 39 | #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ | |
| 40 | ||
| 41 | #define JB_ONSSTACK 0 | |
| 42 | #define JB_SIGMASK 1 | |
| 43 | #define JB_SP 2 | |
| 44 | #define JB_PC 3 | |
| 45 | #define JB_NPC 4 | |
| 46 | #define JB_PSR 5 | |
| 47 | #define JB_G1 6 | |
| 48 | #define JB_O0 7 | |
| 49 | #define JB_WBCNT 8 | |
| 50 | ||
| 51 | /* Figure out where the longjmp will land. We expect that we have just entered | |
| 52 | longjmp and haven't yet setup the stack frame, so the args are still in the | |
| 53 | output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we | |
| 54 | extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. | |
| 55 | This routine returns true on success */ | |
| 56 | ||
| 57 | extern int | |
| 58 | get_longjmp_target PARAMS ((CORE_ADDR *)); | |
| 59 | ||
| 60 | #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) | |
| 61 | #endif /* 0 */ | |
| 6545c6a0 | 62 | |
| 2d336b1b JK |
63 | /* The SunPRO compiler puts out 0 instead of the address in N_SO symbols, |
| 64 | and for SunPRO 3.0, N_FUN symbols too. */ | |
| 65 | #define SOFUN_ADDRESS_MAYBE_MISSING | |
| 3f5e2fb5 JK |
66 | |
| 67 | #define FAULTED_USE_SIGINFO | |
| fb1b2bd0 PS |
68 | |
| 69 | /* Enable handling of shared libraries for a.out executables. */ | |
| 70 | #define HANDLE_SVR4_EXEC_EMULATORS |