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-rw-r--r--gdb/hppab-nat.c97
1 files changed, 49 insertions, 48 deletions
diff --git a/gdb/hppab-nat.c b/gdb/hppab-nat.c
index a795e02..29d22eb 100644
--- a/gdb/hppab-nat.c
+++ b/gdb/hppab-nat.c
@@ -6,21 +6,22 @@
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 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 "inferior.h"
@@ -80,7 +81,7 @@ fetch_register (regno)
}
}
supply_register (regno, buf);
- error_exit:;
+error_exit:;
}
/* Fetch all registers, or just one, from the child process. */
@@ -117,20 +118,20 @@ store_inferior_registers (regno)
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);
- if (errno != 0)
- {
+ {
+ scratch = *(int *) &registers[REGISTER_BYTE (regno)] | 0x3;
+ ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
+ scratch);
+ 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);
- }
- }
+ 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))
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
errno = 0;
ptrace (PT_WUREGS, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
@@ -146,7 +147,7 @@ store_inferior_registers (regno)
warning (msg);
return;
}
- regaddr += sizeof(int);
+ regaddr += sizeof (int);
}
}
else
@@ -164,28 +165,28 @@ store_inferior_registers (regno)
The arguments are as follows:
- PT_PROT -- The ptrace action to perform.
+ PT_PROT -- The ptrace action to perform.
+
+ INFERIOR_PID -- The pid of the process who's page table entries
+ will be modified.
- INFERIOR_PID -- The pid of the process who's page table entries
- will be modified.
+ PT_ARGS -- The *address* of a 3 word block of memory which has
+ additional information:
- PT_ARGS -- The *address* of a 3 word block of memory which has
- additional information:
+ word 0 -- The start address to watch. This should be a page-aligned
+ address.
- word 0 -- The start address to watch. This should be a page-aligned
- address.
+ word 1 -- The ending address to watch. Again, this should be a
+ page aligned address.
- word 1 -- The ending address to watch. Again, this should be a
- page aligned address.
+ word 2 -- Nonzero to enable the data memory break bit on the
+ given address range or zero to disable the data memory break
+ bit on the given address range.
- word 2 -- Nonzero to enable the data memory break bit on the
- given address range or zero to disable the data memory break
- bit on the given address range.
+ This call may fail if the given addresses are not valid in the inferior
+ process. This most often happens when restarting a program which
+ as watchpoints inserted on heap or stack memory. */
- This call may fail if the given addresses are not valid in the inferior
- process. This most often happens when restarting a program which
- as watchpoints inserted on heap or stack memory. */
-
#define PT_PROT 21
int
@@ -198,16 +199,16 @@ hppa_set_watchpoint (addr, len, flag)
pt_args[2] = flag;
/* Mask off the lower 12 bits since we want to work on a page basis. */
- pt_args[0] >>= 12;
- pt_args[1] >>= 12;
+ pt_args[0] >>= 12;
+ pt_args[1] >>= 12;
/* Rounding adjustments. */
- pt_args[1] -= pt_args[0];
- pt_args[1]++;
+ pt_args[1] -= pt_args[0];
+ pt_args[1]++;
/* Put the lower 12 bits back as zero. */
- pt_args[0] <<= 12;
- pt_args[1] <<= 12;
+ pt_args[0] <<= 12;
+ pt_args[1] <<= 12;
/* Do it. */
return ptrace (PT_PROT, inferior_pid, (PTRACE_ARG3_TYPE) pt_args, 0);