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-rw-r--r--gdb/gdbserver/low-hppabsd.c379
1 files changed, 0 insertions, 379 deletions
diff --git a/gdb/gdbserver/low-hppabsd.c b/gdb/gdbserver/low-hppabsd.c
deleted file mode 100644
index c784d0c..0000000
--- a/gdb/gdbserver/low-hppabsd.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/* Low level interface to ptrace, for the remote server for GDB.
- Copyright (C) 1995 Free Software Foundation, Inc.
-
-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. */
-
-#include "defs.h"
-#include <sys/wait.h>
-#include "frame.h"
-#include "inferior.h"
-
-#include <stdio.h>
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <sys/user.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <sgtty.h>
-#include <fcntl.h>
-
-/***************Begin MY defs*********************/
-int quit_flag = 0;
-char registers[REGISTER_BYTES];
-
-/* Index within `registers' of the first byte of the space for
- register N. */
-
-
-char buf2[MAX_REGISTER_RAW_SIZE];
-/***************End MY defs*********************/
-
-#include <sys/ptrace.h>
-#include <machine/reg.h>
-
-extern char **environ;
-extern int errno;
-extern int inferior_pid;
-void quit (), perror_with_name ();
-int query ();
-
-/* Start an inferior process and returns its pid.
- ALLARGS is a vector of program-name and args.
- ENV is the environment vector to pass. */
-
-int
-create_inferior (program, allargs)
- char *program;
- char **allargs;
-{
- int pid;
-
- pid = fork ();
- if (pid < 0)
- perror_with_name ("fork");
-
- if (pid == 0)
- {
- ptrace (PT_TRACE_ME, 0, 0, 0, 0);
-
- execv (program, allargs);
-
- fprintf (stderr, "Cannot exec %s: %s.\n", program,
- errno < sys_nerr ? sys_errlist[errno] : "unknown error");
- fflush (stderr);
- _exit (0177);
- }
-
- return pid;
-}
-
-/* Kill the inferior process. Make us have no inferior. */
-
-void
-kill_inferior ()
-{
- if (inferior_pid == 0)
- return;
- ptrace (8, inferior_pid, 0, 0, 0);
- wait (0);
- /*************inferior_died ();****VK**************/
-}
-
-/* Return nonzero if the given thread is still alive. */
-int
-mythread_alive (pid)
- int pid;
-{
- return 1;
-}
-
-/* Wait for process, returns status */
-
-unsigned char
-mywait (status)
- char *status;
-{
- int pid;
- union wait w;
-
- pid = wait (&w);
- if (pid != inferior_pid)
- perror_with_name ("wait");
-
- if (WIFEXITED (w))
- {
- fprintf (stderr, "\nChild exited with retcode = %x \n", WEXITSTATUS (w));
- *status = 'W';
- return ((unsigned char) WEXITSTATUS (w));
- }
- else if (!WIFSTOPPED (w))
- {
- fprintf (stderr, "\nChild terminated with signal = %x \n", WTERMSIG (w));
- *status = 'X';
- return ((unsigned char) WTERMSIG (w));
- }
-
- fetch_inferior_registers (0);
-
- *status = 'T';
- return ((unsigned char) WSTOPSIG (w));
-}
-
-/* Resume execution of the inferior process.
- If STEP is nonzero, single-step it.
- If SIGNAL is nonzero, give it that signal. */
-
-void
-myresume (step, signal)
- int step;
- int signal;
-{
- errno = 0;
- ptrace (step ? PT_STEP : PT_CONTINUE, inferior_pid, 1, signal, 0);
- if (errno)
- perror_with_name ("ptrace");
-}
-
-
-#if !defined (offsetof)
-#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
-#endif
-
-/* U_REGS_OFFSET is the offset of the registers within the u area. */
-#if !defined (U_REGS_OFFSET)
-#define U_REGS_OFFSET \
- ptrace (PT_READ_U, inferior_pid, \
- (PTRACE_ARG3_TYPE) (offsetof (struct user, u_ar0)), 0) \
- - KERNEL_U_ADDR
-#endif
-
-CORE_ADDR
-register_addr (regno, blockend)
- int regno;
- CORE_ADDR blockend;
-{
- CORE_ADDR addr;
-
- if (regno < 0 || regno >= ARCH_NUM_REGS)
- error ("Invalid register number %d.", regno);
-
- REGISTER_U_ADDR (addr, blockend, regno);
-
- return addr;
-}
-
-/* Fetch one register. */
-
-static void
-fetch_register (regno)
- int regno;
-{
- register unsigned int regaddr;
- char buf[MAX_REGISTER_RAW_SIZE];
- register int i;
-
- /* Offset of registers within the u area. */
- unsigned int offset;
-
- offset = U_REGS_OFFSET;
-
- regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
- {
- errno = 0;
- *(int *) &registers[ regno * 4 + i] = ptrace (PT_RUREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) regaddr, 0, 0);
- regaddr += sizeof (int);
- if (errno != 0)
- {
- /* Warning, not error, in case we are attached; sometimes the
- kernel doesn't let us at the registers. */
- char *err = strerror (errno);
- char *msg = alloca (strlen (err) + 128);
- sprintf (msg, "reading register %d: %s", regno, err);
- error (msg);
- goto error_exit;
- }
- }
- error_exit:;
-}
-
-/* Fetch all registers, or just one, from the child process. */
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
- if (regno == -1 || regno == 0)
- for (regno = 0; regno < NUM_REGS; regno++)
- fetch_register (regno);
- else
- fetch_register (regno);
-}
-
-/* Store our register values back into the inferior.
- If REGNO is -1, do this for all registers.
- Otherwise, REGNO specifies which register (so we can save time). */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
- register unsigned int regaddr;
- char buf[80];
- extern char registers[];
- register int i;
- unsigned int offset = U_REGS_OFFSET;
- int scratch;
-
- if (regno >= 0)
- {
- if (CANNOT_STORE_REGISTER (regno))
- return;
- regaddr = register_addr (regno, offset);
- errno = 0;
- if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM)
- {
- scratch = *(int *) &registers[REGISTER_BYTE (regno)] | 0x3;
- ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- scratch, 0);
- if (errno != 0)
- {
- /* Error, even if attached. Failing to write these two
- registers is pretty serious. */
- sprintf (buf, "writing register number %d", regno);
- perror_with_name (buf);
- }
- }
- else
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
- {
- errno = 0;
- ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- *(int *) &registers[REGISTER_BYTE (regno) + i], 0);
- if (errno != 0)
- {
- /* Warning, not error, in case we are attached; sometimes the
- kernel doesn't let us at the registers. */
- char *err = strerror (errno);
- char *msg = alloca (strlen (err) + 128);
- sprintf (msg, "writing register %d: %s",
- regno, err);
- error (msg);
- return;
- }
- regaddr += sizeof(int);
- }
- }
- else
- for (regno = 0; regno < NUM_REGS; regno++)
- store_inferior_registers (regno);
-}
-
-/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
- in the NEW_SUN_PTRACE case.
- It ought to be straightforward. But it appears that writing did
- not write the data that I specified. I cannot understand where
- it got the data that it actually did write. */
-
-/* Copy LEN bytes from inferior's memory starting at MEMADDR
- to debugger memory starting at MYADDR. */
-
-read_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- register int i;
- /* Round starting address down to longword boundary. */
- register CORE_ADDR addr = memaddr & -sizeof (int);
- /* Round ending address up; get number of longwords that makes. */
- register int count
- = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
- /* Allocate buffer of that many longwords. */
- register int *buffer = (int *) alloca (count * sizeof (int));
-
- /* Read all the longwords */
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- buffer[i] = ptrace (1, inferior_pid, addr, 0, 0);
- }
-
- /* Copy appropriate bytes out of the buffer. */
- memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR.
- On failure (cannot write the inferior)
- returns the value of errno. */
-
-int
-write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- register int i;
- /* Round starting address down to longword boundary. */
- register CORE_ADDR addr = memaddr & -sizeof (int);
- /* Round ending address up; get number of longwords that makes. */
- register int count
- = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
- /* Allocate buffer of that many longwords. */
- register int *buffer = (int *) alloca (count * sizeof (int));
- extern int errno;
-
- /* Fill start and end extra bytes of buffer with existing memory data. */
-
- buffer[0] = ptrace (1, inferior_pid, addr, 0, 0);
-
- if (count > 1)
- {
- buffer[count - 1]
- = ptrace (1, inferior_pid,
- addr + (count - 1) * sizeof (int), 0, 0);
- }
-
- /* Copy data to be written over corresponding part of buffer */
-
- memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
-
- /* Write the entire buffer. */
-
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- ptrace (4, inferior_pid, addr, buffer[i], 0);
- if (errno)
- return errno;
- }
-
- return 0;
-}
-
-void
-initialize ()
-{
- inferior_pid = 0;
-}
-
-int
-have_inferior_p ()
-{
- return inferior_pid != 0;
-}
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