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-rw-r--r--gdb/infptrace.c146
1 files changed, 75 insertions, 71 deletions
diff --git a/gdb/infptrace.c b/gdb/infptrace.c
index 1db7223..eec7c6a 100644
--- a/gdb/infptrace.c
+++ b/gdb/infptrace.c
@@ -2,21 +2,22 @@
Copyright 1988, 89, 90, 91, 92, 93, 94, 95, 96, 1998
Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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 "frame.h"
@@ -36,11 +37,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <sys/ioctl.h>
#ifdef HAVE_PTRACE_H
-# include <ptrace.h>
+#include <ptrace.h>
#else
-# ifdef HAVE_SYS_PTRACE_H
-# include <sys/ptrace.h>
-# endif
+#ifdef HAVE_SYS_PTRACE_H
+#include <sys/ptrace.h>
+#endif
#endif
#if !defined (PT_READ_I)
@@ -107,8 +108,8 @@ static void store_register PARAMS ((int));
void _initialize_kernel_u_addr PARAMS ((void));
void _initialize_infptrace PARAMS ((void));
-
+
/* This function simply calls ptrace with the given arguments.
It exists so that all calls to ptrace are isolated in this
machine-dependent file. */
@@ -128,25 +129,27 @@ call_ptrace (request, pid, addr, data)
#endif
#if defined(PT_SETTRC)
/* If the parent can be told to attach to us, try to do it. */
- if (request == PT_SETTRC) {
- errno = 0;
- pt_status = ptrace (PT_SETTRC, pid, addr, data
+ if (request == PT_SETTRC)
+ {
+ errno = 0;
+ pt_status = ptrace (PT_SETTRC, pid, addr, data
#if defined (FIVE_ARG_PTRACE)
- /* Deal with HPUX 8.0 braindamage. We never use the
- calls which require the fifth argument. */
- , 0
+ /* Deal with HPUX 8.0 braindamage. We never use the
+ calls which require the fifth argument. */
+ ,0
#endif
- );
+ );
- if (errno) perror_with_name ("ptrace");
+ if (errno)
+ perror_with_name ("ptrace");
#if 0
- printf (" = %d\n", pt_status);
+ printf (" = %d\n", pt_status);
#endif
- if (pt_status < 0)
- return pt_status;
- else
- return parent_attach_all (pid, addr, data);
- }
+ if (pt_status < 0)
+ return pt_status;
+ else
+ return parent_attach_all (pid, addr, data);
+ }
#endif
#if defined(PT_CONTIN1)
@@ -169,11 +172,11 @@ call_ptrace (request, pid, addr, data)
#endif
pt_status = ptrace (request, pid, addr, data
#if defined (FIVE_ARG_PTRACE)
- /* Deal with HPUX 8.0 braindamage. We never use the
- calls which require the fifth argument. */
- , 0
+ /* Deal with HPUX 8.0 braindamage. We never use the
+ calls which require the fifth argument. */
+ ,0
#endif
- );
+ );
#if 0
if (errno)
printf (" [errno = %d]", errno);
@@ -196,8 +199,8 @@ call_ptrace (request, pid, addr, data)
int
ptrace_wait (pid, status)
- int pid;
- int *status;
+ int pid;
+ int *status;
{
int wstate;
@@ -259,9 +262,9 @@ child_resume (pid, step, signal)
if (step)
{
if (SOFTWARE_SINGLE_STEP_P)
- abort(); /* Make sure this doesn't happen. */
+ abort (); /* Make sure this doesn't happen. */
else
- ptrace (PT_STEP, pid, (PTRACE_ARG3_TYPE) 1,
+ ptrace (PT_STEP, pid, (PTRACE_ARG3_TYPE) 1,
target_signal_to_host (signal));
}
else
@@ -272,8 +275,8 @@ child_resume (pid, step, signal)
perror_with_name ("ptrace");
}
#endif /* CHILD_RESUME */
-
+
#ifdef ATTACH_DETACH
/* Start debugging the process whose number is PID. */
int
@@ -358,9 +361,9 @@ fetch_register (regno)
{
/* This isn't really an address. But ptrace thinks of it as one. */
CORE_ADDR regaddr;
- char mess[128]; /* For messages */
+ char mess[128]; /* For messages */
register int i;
- unsigned int offset; /* Offset of registers within the u area. */
+ unsigned int offset; /* Offset of registers within the u area. */
char buf[MAX_REGISTER_RAW_SIZE];
if (CANNOT_FETCH_REGISTER (regno))
@@ -376,8 +379,8 @@ fetch_register (regno)
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
- *(PTRACE_XFER_TYPE *) &buf[i] = ptrace (PT_READ_U, inferior_pid,
- (PTRACE_ARG3_TYPE) regaddr, 0);
+ *(PTRACE_XFER_TYPE *) & buf[i] = ptrace (PT_READ_U, inferior_pid,
+ (PTRACE_ARG3_TYPE) regaddr, 0);
regaddr += sizeof (PTRACE_XFER_TYPE);
if (errno != 0)
{
@@ -423,9 +426,9 @@ store_register (regno)
{
/* This isn't really an address. But ptrace thinks of it as one. */
CORE_ADDR regaddr;
- char mess[128]; /* For messages */
+ char mess[128]; /* For messages */
register int i;
- unsigned int offset; /* Offset of registers within the u area. */
+ unsigned int offset; /* Offset of registers within the u area. */
if (CANNOT_STORE_REGISTER (regno))
{
@@ -435,11 +438,11 @@ store_register (regno)
offset = U_REGS_OFFSET;
regaddr = register_addr (regno, offset);
- for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(PTRACE_XFER_TYPE))
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- *(PTRACE_XFER_TYPE *) &registers[REGISTER_BYTE (regno) + i]);
+ *(PTRACE_XFER_TYPE *) & registers[REGISTER_BYTE (regno) + i]);
regaddr += sizeof (PTRACE_XFER_TYPE);
if (errno != 0)
{
@@ -482,7 +485,7 @@ store_inferior_registers (regno)
/* 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
@@ -494,28 +497,29 @@ child_xfer_memory (memaddr, myaddr, len, write, target)
char *myaddr;
int len;
int write;
- struct target_ops *target; /* ignored */
+ struct target_ops *target; /* ignored */
{
register int i;
/* Round starting address down to longword boundary. */
- register CORE_ADDR addr = memaddr & - sizeof (PTRACE_XFER_TYPE);
+ register CORE_ADDR addr = memaddr & -sizeof (PTRACE_XFER_TYPE);
/* Round ending address up; get number of longwords that makes. */
register int count
- = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
- / sizeof (PTRACE_XFER_TYPE);
+ = (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
+ / sizeof (PTRACE_XFER_TYPE);
/* Allocate buffer of that many longwords. */
register PTRACE_XFER_TYPE *buffer
- = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
+ = (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
if (write)
{
/* Fill start and end extra bytes of buffer with existing memory data. */
- if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE)) {
- /* Need part of initial word -- fetch it. */
- buffer[0] = ptrace (PT_READ_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
- 0);
- }
+ if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE))
+ {
+ /* 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 */
{
@@ -540,9 +544,9 @@ child_xfer_memory (memaddr, myaddr, len, write, target)
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. */
+ Gould NP1, at least. */
errno = 0;
ptrace (PT_WRITE_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i]);
@@ -551,7 +555,7 @@ child_xfer_memory (memaddr, myaddr, len, write, target)
return 0;
}
#ifdef CLEAR_INSN_CACHE
- CLEAR_INSN_CACHE();
+ CLEAR_INSN_CACHE ();
#endif
}
else
@@ -574,23 +578,23 @@ child_xfer_memory (memaddr, myaddr, len, write, target)
}
return len;
}
-
+
static void
udot_info (dummy1, dummy2)
char *dummy1;
int dummy2;
{
#if defined (KERNEL_U_SIZE)
- int udot_off; /* Offset into user struct */
- int udot_val; /* Value from user struct at udot_off */
- char mess[128]; /* For messages */
+ int udot_off; /* Offset into user struct */
+ int udot_val; /* Value from user struct at udot_off */
+ char mess[128]; /* For messages */
#endif
- if (!target_has_execution)
- {
- error ("The program is not being run.");
- }
+ if (!target_has_execution)
+ {
+ error ("The program is not being run.");
+ }
#if !defined (KERNEL_U_SIZE)
@@ -626,8 +630,8 @@ udot_info (dummy1, dummy2)
#endif
}
#endif /* !defined (CHILD_XFER_MEMORY). */
-
+
void
_initialize_infptrace ()
{
generated by cgit v1.1 at 2024-11-26 02:33:16 +0000