79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/* Parameters for execution on an HP PA-RISC machine, running HPUX, for GDB.
|
|
Copyright 1991, 1992 Free Software Foundation, Inc.
|
|
|
|
Contributed by the Center for Software Science at the
|
|
University of Utah (pa-gdb-bugs@cs.utah.edu).
|
|
|
|
This file is part of GDB.
|
|
|
|
This program 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 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#define HPUX_SNAP1
|
|
#define HPUX_SNAP2
|
|
|
|
#include "somsolib.h"
|
|
|
|
/* Actually, for a PA running HPUX the kernel calls the signal handler
|
|
without an intermediate trampoline. Luckily the kernel always sets
|
|
the return pointer for the signal handler to point to _sigreturn. */
|
|
#define IN_SIGTRAMP(pc, name) (name && STREQ ("_sigreturn", name))
|
|
|
|
/* For HPUX:
|
|
|
|
The signal context structure pointer is always saved at the base
|
|
of the frame which "calls" the signal handler. We only want to find
|
|
the hardware save state structure, which lives 10 32bit words into
|
|
sigcontext structure.
|
|
|
|
Within the hardware save state structure, registers are found in the
|
|
same order as the register numbers in GDB.
|
|
|
|
At one time we peeked at %r31 rather than the PC queues to determine
|
|
what instruction took the fault. This was done on purpose, but I don't
|
|
remember why. Looking at the PC queues is really the right way, and
|
|
I don't remember why that didn't work when this code was originally
|
|
written. */
|
|
|
|
#define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \
|
|
{ \
|
|
*(TMP) = read_memory_integer ((FRAME)->frame + (43 * 4) , 4); \
|
|
}
|
|
|
|
#define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \
|
|
{ \
|
|
*(TMP) = read_memory_integer ((FRAME)->frame + (40 * 4), 4); \
|
|
}
|
|
|
|
#define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \
|
|
{ \
|
|
int i; \
|
|
CORE_ADDR TMP; \
|
|
TMP = (FRAME)->frame + (10 * 4); \
|
|
for (i = 0; i < NUM_REGS; i++) \
|
|
{ \
|
|
if (i == SP_REGNUM) \
|
|
(FSR)->regs[SP_REGNUM] = read_memory_integer (TMP + SP_REGNUM * 4, 4); \
|
|
else \
|
|
(FSR)->regs[i] = TMP + i * 4; \
|
|
} \
|
|
}
|
|
|
|
/* For HP-UX on PA-RISC we have an implementation
|
|
for the exception handling target op (in hppa-tdep.c) */
|
|
#define CHILD_ENABLE_EXCEPTION_CALLBACK
|
|
#define CHILD_GET_CURRENT_EXCEPTION_EVENT
|
|
|
|
/* Mostly it's common to all HPPA's. */
|
|
#include "pa/tm-hppa.h"
|