diff options
Diffstat (limited to 'gdb/m-sun2.h')
| -rw-r--r-- | gdb/m-sun2.h | 49 |
1 files changed, 31 insertions, 18 deletions
diff --git a/gdb/m-sun2.h b/gdb/m-sun2.h index e42bc57..97b1839 100644 --- a/gdb/m-sun2.h +++ b/gdb/m-sun2.h @@ -1,27 +1,31 @@ /* Parameters for execution on a Sun, for GDB, the GNU debugger. - Copyright (C) 1986, 1987 Free Software Foundation, Inc. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. -GDB is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY. No author or distributor accepts responsibility to anyone -for the consequences of using it or for whether it serves any -particular purpose or works at all, unless he says so in writing. -Refer to the GDB General Public License for full details. +This file is part of GDB. -Everyone is granted permission to copy, modify and redistribute GDB, -but only under the conditions described in the GDB General Public -License. A copy of this license is supposed to have been given to you -along with GDB so you can know your rights and responsibilities. It -should be in a file named COPYING. Among other things, the copyright -notice and this notice must be preserved on all copies. +GDB is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. -In other words, go ahead and share GDB, but don't try to stop -anyone else from sharing it farther. Help stamp out software hoarding! -*/ +GDB is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GDB; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef sun2 #define sun2 #endif +/* Define the bit, byte, and word ordering of the machine. */ +#define BITS_BIG_ENDIAN +#define BYTES_BIG_ENDIAN +#define WORDS_BIG_ENDIAN + /* Define this if the C compiler puts an underscore at the front of external names before giving them to the linker. */ @@ -229,15 +233,24 @@ read_memory_integer (read_register (SP_REGNUM), 4) /* In the case of the Sun, the frame's nominal address is the address of a 4-byte word containing the calling frame's address. */ -#define FRAME_CHAIN(thisframe) (read_memory_integer ((thisframe)->frame, 4)) +#define FRAME_CHAIN(thisframe) \ + (outside_startup_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) #define FRAME_CHAIN_VALID(chain, thisframe) \ - (chain != 0 && (FRAME_SAVED_PC (thisframe) >= first_object_file_end)) + (chain != 0 && (outside_startup_file (FRAME_SAVED_PC (thisframe)))) #define FRAME_CHAIN_COMBINE(chain, thisframe) (chain) /* Define other aspects of the stack frame. */ +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + FRAMELESS_LOOK_FOR_PROLOGUE(FI, FRAMELESS) + #define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) @@ -368,7 +381,7 @@ read_memory_integer (read_register (SP_REGNUM), 4) movew ccr,-(sp) /..* The arguments are pushed at this point by GDB; no code is needed in the dummy for this. - The CALL_DUMMY_START_OFFSET gives the position of + The CALL_DUMMY_START_OFFSET gives the position of the following jsr instruction. *../ jsr @#32323232 addl #69696969,sp |