| 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 | |
| 33 | /* Variables in the debug stabs occur after the N_LBRAC, not before it, |
| 34 | in code generated by Sun C. */ |
| 35 | |
| 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 |
| 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 */ |