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Rename all HPPA files to fit into unique DOS filenames: 

*hppabsd*  => *hppab*       *hppahpux* => *hppah*
This commit is contained in:
John Gilmore 1992-09-26 10:27:10 +00:00
parent e0ba1d1427
commit fb1415aebe
9 changed files with 4068 additions and 0 deletions
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251
gdb/hppab-core.c Normal file
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/* Machine-dependent code which would otherwise be in core.c
for GDB, the GNU debugger. This code is for the HP PA-RISC cpu.
Copyright 1986, 1987, 1989, 1990, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "frame.h"
#include "inferior.h"
#ifdef USG
#include <sys/types.h>
#endif
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/ioctl.h>
/* #include <fcntl.h> Can we live without this? */
#ifndef hpux
#include <a.out.h>
#include <machine/pcb.h>
#include <sys/time.h>
#include "/usr/src/sys/hpux/hpux.h"
#define USRSTACK 0x68FF3000
#else
#include <sys/user.h> /* After a.out.h */
#endif
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/ptrace.h>
#ifndef hpux
#undef USIZE
#undef UPAGES
#define USIZE 3
#define UPAGES 7
#endif
extern int errno;
/* File names of core file and executable file. */
extern char *corefile;
extern char *execfile;
/* Descriptors on which core file and executable file are open.
Note that the execchan is closed when an inferior is created
and reopened if the inferior dies or is killed. */
extern int corechan;
extern int execchan;
/* Last modification time of executable file.
Also used in source.c to compare against mtime of a source file. */
extern int exec_mtime;
/* Virtual addresses of bounds of the two areas of memory in the core file. */
extern CORE_ADDR data_start;
extern CORE_ADDR data_end;
extern CORE_ADDR stack_start;
extern CORE_ADDR stack_end;
/* Virtual addresses of bounds of two areas of memory in the exec file.
Note that the data area in the exec file is used only when there is no core file. */
extern CORE_ADDR text_start;
extern CORE_ADDR text_end;
extern CORE_ADDR exec_data_start;
extern CORE_ADDR exec_data_end;
/* Address in executable file of start of text area data. */
extern int text_offset;
/* Address in executable file of start of data area data. */
extern int exec_data_offset;
/* Address in core file of start of data area data. */
extern int data_offset;
/* Address in core file of start of stack area data. */
extern int stack_offset;
extern struct header file_hdr;
extern struct som_exec_auxhdr exec_hdr;
extern int (*core_file_hook)();
#ifdef KERNELDEBUG
extern int kernel_debugging;
extern int kernel_core_file_hook();
#endif
core_file_command (filename, from_tty)
char *filename;
int from_tty;
{
int val;
extern char registers[];
#ifdef KERNELDEBUG
struct stat stb;
#endif
/* Discard all vestiges of any previous core file
and mark data and stack spaces as empty. */
if (corefile)
free (corefile);
corefile = 0;
core_file_hook = 0;
if (corechan >= 0)
close (corechan);
corechan = -1;
data_start = 0;
data_end = 0;
stack_start = STACK_END_ADDR;
stack_end = STACK_END_ADDR;
/* Now, if a new core file was specified, open it and digest it. */
if (filename)
{
filename = tilde_expand (filename);
make_cleanup (free, filename);
if (have_inferior_p ())
error ("To look at a core file, you must kill the inferior with \"kill\".");
corechan = open (filename, O_RDONLY, 0);
if (corechan < 0)
perror_with_name (filename);
#ifdef KERNELDEBUG
fstat(corechan, &stb);
if (kernel_debugging) {
setup_kernel_debugging();
core_file_hook = kernel_core_file_hook;
set_kernel_boundaries();
} else if ((stb.st_mode & S_IFMT) == S_IFCHR &&
stb.st_rdev == makedev(2, 1)) {
/* looking at /dev/kmem */
data_offset = data_start = KERNBASE;
data_end = ~0; /* XXX */
stack_end = stack_start = data_end;
set_kernel_boundaries();
} else
#endif
{
/* HP PA-RISC style corefile. */
#ifndef hpux
struct hpuxuser u;
#else
struct user u;
#endif
unsigned int reg_offset;
val = myread (corechan, &u, sizeof u);
if (val < 0)
perror_with_name ("Not a core file: reading upage");
if (val != sizeof u)
error ("Not a core file: could only read %d bytes", val);
/* We are depending on exec_file_command having been called
previously to set exec_data_start. Since the executable
and the core file share the same text segment, the address
of the data segment will be the same in both. */
data_start = exec_data_start;
data_end = data_start + NBPG * u.u_dsize;
stack_start = USRSTACK; /* from sys/param.h */
stack_end = stack_start + NBPG * u.u_ssize;
data_offset = NBPG * UPAGES;
stack_offset = NBPG * (UPAGES + u.u_dsize);
/* Some machines put an absolute address in here and some put
the offset in the upage of the regs. */
reg_offset = NBPG * USIZE;
/* Read the register values out of the core file and store
them where `read_register' will find them. */
{
register int regno;
for (regno = 0; regno < NUM_REGS; regno++)
{
unsigned char buf[MAX_REGISTER_RAW_SIZE];
val = lseek (corechan, register_addr (regno, reg_offset), 0);
if (val < 0
|| (val = myread (corechan, buf, sizeof buf)) < 0)
{
char * buffer = (char *) alloca (strlen (reg_names[regno])
+ 30);
strcpy (buffer, "Reading register ");
strcat (buffer, reg_names[regno]);
perror_with_name (buffer);
}
if (regno == PCOQ_HEAD_REGNUM || regno == PCOQ_TAIL_REGNUM)
buf[3] &= ~0x3;
supply_register (regno, buf);
}
}
}
if (filename[0] == '/')
corefile = savestring (filename, strlen (filename));
else
{
corefile = concat (current_directory, "/", filename);
}
set_current_frame ( create_new_frame (read_register (FP_REGNUM),
read_pc ()));
select_frame (get_current_frame (), 0);
validate_files ();
}
else if (from_tty)
printf ("No core file now.\n");
}

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/* Host-dependent code for HP PA-RISC running BSD Unix, for GDB.
Copyright 1986, 1987, 1989, 1990, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "target.h"
#ifdef USG
#include <sys/types.h>
#endif
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/ioctl.h>
#ifndef USG
#include <sys/ptrace.h>
#endif
#ifndef PT_ATTACH
#define PT_ATTACH PTRACE_ATTACH
#endif
#ifndef PT_DETACH
#define PT_DETACH PTRACE_DETACH
#endif
#include "gdbcore.h"
#include <sys/user.h> /* After a.out.h */
#include <sys/file.h>
#include <sys/stat.h>
/* This function simply calls ptrace with the given arguments.
It exists so that all calls to ptrace are isolated in this
machine-dependent file. */
int
call_ptrace (request, pid, addr, data)
int request, pid;
PTRACE_ARG3_TYPE addr;
int data;
{
return ptrace (request, pid, addr, data);
}
#ifdef DEBUG_PTRACE
/* For the rest of the file, use an extra level of indirection */
/* This lets us breakpoint usefully on call_ptrace. */
#define ptrace call_ptrace
#endif
void
kill_inferior ()
{
if (inferior_pid == 0)
return;
ptrace (PT_KILL, inferior_pid, (PTRACE_ARG3_TYPE) 0, 0);
wait ((int *)0);
target_mourn_inferior ();
}
/* Resume execution of the inferior process.
If STEP is nonzero, single-step it.
If SIGNAL is nonzero, give it that signal. */
void
child_resume (step, signal)
int step;
int signal;
{
errno = 0;
/* An address of (PTRACE_ARG3_TYPE) 1 tells ptrace to continue from where
it was. (If GDB wanted it to start some other way, we have already
written a new PC value to the child.) */
if (step)
ptrace (PT_STEP, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal);
else
ptrace (PT_CONTINUE, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal);
if (errno)
perror_with_name ("ptrace");
}
#ifdef ATTACH_DETACH
/* Nonzero if we are debugging an attached process rather than
an inferior. */
extern int attach_flag;
/* Start debugging the process whose number is PID. */
int
attach (pid)
int pid;
{
errno = 0;
ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0);
if (errno)
perror_with_name ("ptrace");
attach_flag = 1;
return pid;
}
/* Stop debugging the process whose number is PID
and continue it with signal number SIGNAL.
SIGNAL = 0 means just continue it. */
void
detach (signal)
int signal;
{
errno = 0;
ptrace (PT_DETACH, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal);
if (errno)
perror_with_name ("ptrace");
attach_flag = 0;
}
#endif /* ATTACH_DETACH */
#if !defined (FETCH_INFERIOR_REGISTERS)
/* KERNEL_U_ADDR is the amount to subtract from u.u_ar0
to get the offset in the core file of the register values. */
#if defined (KERNEL_U_ADDR_BSD)
/* Get kernel_u_addr using BSD-style nlist(). */
CORE_ADDR kernel_u_addr;
#include <a.out.gnu.h> /* For struct nlist */
void
_initialize_kernel_u_addr ()
{
struct nlist names[2];
names[0].n_un.n_name = "_u";
names[1].n_un.n_name = NULL;
if (nlist ("/vmunix", names) == 0)
kernel_u_addr = names[0].n_value;
else
fatal ("Unable to get kernel u area address.");
}
#endif /* KERNEL_U_ADDR_BSD. */
#if defined (KERNEL_U_ADDR_HPUX)
/* Get kernel_u_addr using HPUX-style nlist(). */
CORE_ADDR kernel_u_addr;
struct hpnlist {
char * n_name;
long n_value;
unsigned char n_type;
unsigned char n_length;
short n_almod;
short n_unused;
};
static struct hpnlist nl[] = {{ "_u", -1, }, { (char *) 0, }};
/* read the value of the u area from the hp-ux kernel */
void _initialize_kernel_u_addr ()
{
struct user u;
nlist ("/hp-ux", &nl);
kernel_u_addr = nl[0].n_value;
}
#endif /* KERNEL_U_ADDR_HPUX. */
#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
/* Registers we shouldn't try to fetch. */
#if !defined (CANNOT_FETCH_REGISTER)
#define CANNOT_FETCH_REGISTER(regno) 0
#endif
/* Fetch one register. */
static void
fetch_register (regno)
int regno;
{
register unsigned int regaddr;
char buf[MAX_REGISTER_RAW_SIZE];
char mess[128]; /* For messages */
register int i;
/* Offset of registers within the u area. */
unsigned int offset;
if (CANNOT_FETCH_REGISTER (regno))
{
bzero (buf, REGISTER_RAW_SIZE (regno)); /* Supply zeroes */
supply_register (regno, buf);
return;
}
offset = U_REGS_OFFSET;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
errno = 0;
*(int *) &buf[i] = ptrace (PT_RUREGS, inferior_pid,
(PTRACE_ARG3_TYPE) regaddr, 0);
regaddr += sizeof (int);
if (errno != 0)
{
sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
perror_with_name (mess);
}
}
supply_register (regno, buf);
}
/* Fetch all registers, or just one, from the child process. */
void
fetch_inferior_registers (regno)
int regno;
{
if (regno == -1)
for (regno = 0; regno < NUM_REGS; regno++)
fetch_register (regno);
else
fetch_register (regno);
}
/* Registers we shouldn't try to store. */
#if !defined (CANNOT_STORE_REGISTER)
#define CANNOT_STORE_REGISTER(regno) 0
#endif
/* 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;
if (regno >= 0)
{
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
{
errno = 0;
ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
sprintf (buf, "writing register number %d(%d)", regno, i);
perror_with_name (buf);
}
regaddr += sizeof(int);
}
}
else
{
for (regno = 0; regno < NUM_REGS; regno++)
{
if (CANNOT_STORE_REGISTER (regno))
continue;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
{
errno = 0;
ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
sprintf (buf, "writing register number %d(%d)", regno, i);
perror_with_name (buf);
}
regaddr += sizeof(int);
}
}
}
return;
}
#endif /* !defined (FETCH_INFERIOR_REGISTERS). */
/* 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 to or from inferior's memory starting at MEMADDR
to debugger memory starting at MYADDR. Copy to inferior if
WRITE is nonzero.
Returns the length copied, which is either the LEN argument or zero.
This xfer function does not do partial moves, since child_ops
doesn't allow memory operations to cross below us in the target stack
anyway. */
int
child_xfer_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
struct target_ops *target; /* ignored */
{
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));
if (write)
{
/* Fill start and end extra bytes of buffer with existing memory data. */
if (addr != memaddr || len < (int)sizeof (int)) {
/* Need part of initial word -- fetch it. */
buffer[0] = ptrace (PT_READ_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
0);
}
if (count > 1) /* FIXME, avoid if even boundary */
{
buffer[count - 1]
= ptrace (PT_READ_I, inferior_pid,
(PTRACE_ARG3_TYPE) (addr + (count - 1) * sizeof (int)),
0);
}
/* Copy data to be written over corresponding part of buffer */
bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
/* Write the entire buffer. */
for (i = 0; i < count; i++, addr += sizeof (int))
{
errno = 0;
ptrace (PT_WRITE_D, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i]);
if (errno)
{
/* Using the appropriate one (I or D) is necessary for
Gould NP1, at least. */
errno = 0;
ptrace (PT_WRITE_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i]);
}
if (errno)
return 0;
}
}
else
{
/* Read all the longwords */
for (i = 0; i < count; i++, addr += sizeof (int))
{
errno = 0;
buffer[i] = ptrace (PT_READ_I, inferior_pid,
(PTRACE_ARG3_TYPE) addr, 0);
if (errno)
return 0;
QUIT;
}
/* Copy appropriate bytes out of the buffer. */
bcopy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
}
return len;
}

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/* Host-dependent code for HP PA-RISC runing HP/UX, for GDB.
Copyright 1986, 1987, 1989, 1990, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "target.h"
#ifdef USG
#include <sys/types.h>
#endif
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/ptrace.h>
#ifndef PT_ATTACH
#define PT_ATTACH PTRACE_ATTACH
#endif
#ifndef PT_DETACH
#define PT_DETACH PTRACE_DETACH
#endif
#include "gdbcore.h"
/* This function simply calls ptrace with the given arguments.
It exists so that all calls to ptrace are isolated in this
machine-dependent file. */
int
call_ptrace (request, pid, addr, data)
int request, pid;
PTRACE_ARG3_TYPE addr;
int data;
{
return ptrace (request, pid, addr, data, 0);
}
#ifdef DEBUG_PTRACE
/* For the rest of the file, use an extra level of indirection */
/* This lets us breakpoint usefully on call_ptrace. */
#define ptrace call_ptrace
#endif
void
kill_inferior ()
{
if (inferior_pid == 0)
return;
ptrace (PT_EXIT, inferior_pid, (PTRACE_ARG3_TYPE) 0, 0, 0); /* PT_EXIT = PT_KILL ? */
wait ((int *)0);
target_mourn_inferior ();
}
/* Resume execution of the inferior process.
If STEP is nonzero, single-step it.
If SIGNAL is nonzero, give it that signal. */
void
child_resume (step, signal)
int step;
int signal;
{
errno = 0;
/* An address of (PTRACE_ARG3_TYPE) 1 tells ptrace to continue from where
it was. (If GDB wanted it to start some other way, we have already
written a new PC value to the child.) */
if (step)
ptrace (PT_SINGLE, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal, 0);
else
ptrace (PT_CONTIN, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal, 0);
if (errno)
perror_with_name ("ptrace");
}
#ifdef ATTACH_DETACH
/* Nonzero if we are debugging an attached process rather than
an inferior. */
extern int attach_flag;
/* Start debugging the process whose number is PID. */
int
attach (pid)
int pid;
{
errno = 0;
ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0, 0);
if (errno)
perror_with_name ("ptrace");
attach_flag = 1;
return pid;
}
/* Stop debugging the process whose number is PID
and continue it with signal number SIGNAL.
SIGNAL = 0 means just continue it. */
void
detach (signal)
int signal;
{
errno = 0;
ptrace (PT_DETACH, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal, 0);
if (errno)
perror_with_name ("ptrace");
attach_flag = 0;
}
#endif /* ATTACH_DETACH */
#if !defined (FETCH_INFERIOR_REGISTERS)
/* KERNEL_U_ADDR is the amount to subtract from u.u_ar0
to get the offset in the core file of the register values. */
#if defined (KERNEL_U_ADDR_BSD)
/* Get kernel_u_addr using BSD-style nlist(). */
CORE_ADDR kernel_u_addr;
#include <a.out.gnu.h> /* For struct nlist */
void
_initialize_kernel_u_addr ()
{
struct nlist names[2];
names[0].n_un.n_name = "_u";
names[1].n_un.n_name = NULL;
if (nlist ("/vmunix", names) == 0)
kernel_u_addr = names[0].n_value;
else
fatal ("Unable to get kernel u area address.");
}
#endif /* KERNEL_U_ADDR_BSD. */
#if defined (KERNEL_U_ADDR_HPUX)
/* Get kernel_u_addr using HPUX-style nlist(). */
CORE_ADDR kernel_u_addr;
struct hpnlist {
char * n_name;
long n_value;
unsigned char n_type;
unsigned char n_length;
short n_almod;
short n_unused;
};
static struct hpnlist nl[] = {{ "_u", -1, }, { (char *) 0, }};
/* read the value of the u area from the hp-ux kernel */
void _initialize_kernel_u_addr ()
{
struct user u;
nlist ("/hp-ux", &nl);
kernel_u_addr = nl[0].n_value;
}
#endif /* KERNEL_U_ADDR_HPUX. */
#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, 0) \
- KERNEL_U_ADDR
#endif
/* Registers we shouldn't try to fetch. */
#if !defined (CANNOT_FETCH_REGISTER)
#define CANNOT_FETCH_REGISTER(regno) 0
#endif
/* Fetch one register. */
static void
fetch_register (regno)
int regno;
{
register unsigned int regaddr;
char buf[MAX_REGISTER_RAW_SIZE];
char mess[128]; /* For messages */
register int i;
/* Offset of registers within the u area. */
unsigned int offset;
if (CANNOT_FETCH_REGISTER (regno))
{
bzero (buf, REGISTER_RAW_SIZE (regno)); /* Supply zeroes */
supply_register (regno, buf);
return;
}
offset = U_REGS_OFFSET;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
errno = 0;
*(int *) &buf[i] = ptrace (PT_RUREGS, inferior_pid,
(PTRACE_ARG3_TYPE) regaddr, 0, 0);
regaddr += sizeof (int);
if (errno != 0)
{
sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
perror_with_name (mess);
}
}
supply_register (regno, buf);
}
/* Fetch all registers, or just one, from the child process. */
void
fetch_inferior_registers (regno)
int regno;
{
if (regno == -1)
for (regno = 0; regno < NUM_REGS; regno++)
fetch_register (regno);
else
fetch_register (regno);
}
/* Registers we shouldn't try to store. */
#if !defined (CANNOT_STORE_REGISTER)
#define CANNOT_STORE_REGISTER(regno) 0
#endif
/* 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;
if (regno >= 0)
{
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
{
errno = 0;
ptrace (PT_WUAREA, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i], 0);
if (errno != 0)
{
sprintf (buf, "writing register number %d(%d)", regno, i);
perror_with_name (buf);
}
regaddr += sizeof(int);
}
}
else
{
for (regno = 0; regno < NUM_REGS; regno++)
{
if (CANNOT_STORE_REGISTER (regno))
continue;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(int))
{
errno = 0;
ptrace (PT_WUAREA, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i], 0);
if (errno != 0)
{
sprintf (buf, "writing register number %d(%d)", regno, i);
perror_with_name (buf);
}
regaddr += sizeof(int);
}
}
}
return;
}
#endif /* !defined (FETCH_INFERIOR_REGISTERS). */
/* 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 to or from inferior's memory starting at MEMADDR
to debugger memory starting at MYADDR. Copy to inferior if
WRITE is nonzero.
Returns the length copied, which is either the LEN argument or zero.
This xfer function does not do partial moves, since child_ops
doesn't allow memory operations to cross below us in the target stack
anyway. */
int
child_xfer_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
struct target_ops *target; /* ignored */
{
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));
if (write)
{
/* Fill start and end extra bytes of buffer with existing memory data. */
if (addr != memaddr || len < (int)sizeof (int)) {
/* Need part of initial word -- fetch it. */
buffer[0] = ptrace (PT_RIUSER, inferior_pid,
(PTRACE_ARG3_TYPE) addr, 0, 0);
}
if (count > 1) /* FIXME, avoid if even boundary */
{
buffer[count - 1]
= ptrace (PT_RIUSER, inferior_pid,
(PTRACE_ARG3_TYPE) (addr + (count - 1) * sizeof (int)),
0, 0);
}
/* Copy data to be written over corresponding part of buffer */
bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
/* Write the entire buffer. */
for (i = 0; i < count; i++, addr += sizeof (int))
{
#if 0
/* The HP-UX kernel crashes if you use PT_WDUSER to write into the text
segment. FIXME -- does it work to write into the data segment using
WIUSER, or do these idiots really expect us to figure out which segment
the address is in, so we can use a separate system call for it??! */
errno = 0;
ptrace (PT_WDUSER, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i], 0);
if (errno)
#endif
{
/* Using the appropriate one (I or D) is necessary for
Gould NP1, at least. */
errno = 0;
ptrace (PT_WIUSER, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i], 0);
}
if (errno)
return 0;
}
}
else
{
/* Read all the longwords */
for (i = 0; i < count; i++, addr += sizeof (int))
{
errno = 0;
buffer[i] = ptrace (PT_RIUSER, inferior_pid,
(PTRACE_ARG3_TYPE) addr, 0, 0);
if (errno)
return 0;
QUIT;
}
/* Copy appropriate bytes out of the buffer. */
bcopy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
}
return len;
}
int
getpagesize()
{
return(4096);
}

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/* Parameters for execution on an HP PA-RISC machine running BSD, for GDB.
Contributed by the Center for Software Science at the
University of Utah (pa-gdb-bugs@cs.utah.edu). */
/* It's all just the common stuff. */
#include "tm-hppa.h"

39
gdb/tm-hppah.h Normal file
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/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Mostly it's common to all HPPA's. */
#include "tm-hppa.h"
/* Saved PC's are different, since there is millicode. */
extern CORE_ADDR millicode_start, millicode_end;
/* Immediately after a function call, return the saved pc.
Can't go through the frames for this because on some machines
the new frame is not set up until the new function executes
some instructions. */
#undef SAVED_PC_AFTER_CALL
#define SAVED_PC_AFTER_CALL(frame) \
((get_frame_pc (frame) >= millicode_start \
&& get_frame_pc (frame) < millicode_end) ? \
read_register (31) & ~3 \
: read_register (RP_REGNUM) & ~3)

48
gdb/xm-hppab.h Normal file
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/* Parameters for hosting on an HPPA PA-RISC machine, running BSD, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* This is a big-endian host. */
#define HOST_BYTE_ORDER BIG_ENDIAN
/* Avoid "INT_MIN redefined" warnings -- by defining it here, exactly
the same as in the system <machine/machtypes.h> file. */
#undef INT_MIN
#define INT_MIN 0x80000000
#ifndef hp800
#define USG
#endif
#define KERNEL_U_ADDR 0
/* What a coincidence! */
#define REGISTER_U_ADDR(addr, blockend, regno) \
{ addr = (int)(blockend) + REGISTER_BYTE (regno);}
#define U_REGS_OFFSET 0
#ifndef SEEK_SET
# define SEEK_SET 0 /* Set file pointer to "offset" */
# define SEEK_CUR 1 /* Set file pointer to current plus "offset" */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif /* SEEK_SET */

52
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/* Parameters for hosting on an HPPA-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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Host is big-endian. */
#define HOST_BYTE_ORDER BIG_ENDIAN
/* Avoid "INT_MIN redefined" warnings -- by defining it here, exactly
the same as in the system <machine/machtypes.h> file. */
#undef INT_MIN
#define INT_MIN 0x80000000
#ifndef hp800
#define USG
#endif
#define HAVE_TERMIO
#define KERNEL_U_ADDR 0
/* What a coincidence! */
#define REGISTER_U_ADDR(addr, blockend, regno) \
{ addr = (int)(blockend) + REGISTER_BYTE (regno);}
#define U_REGS_OFFSET 0
/* HP uses non-ANSI definitions, but with void * results. */
#define MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
extern void *
memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
extern void *
memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */