/* Functions specific to running gdb native on IA-64 running
GNU/Linux.
- Copyright (C) 1999-2014 Free Software Foundation, Inc.
+ Copyright (C) 1999-2015 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include <string.h>
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
#include "linux-nat.h"
#include <signal.h>
-#include <sys/ptrace.h>
+#include "nat/gdb_ptrace.h"
#include "gdb_wait.h"
#ifdef HAVE_SYS_REG_H
#include <sys/reg.h>
}
static int
-ia64_linux_insert_watchpoint (CORE_ADDR addr, int len, int rw,
+ia64_linux_insert_watchpoint (struct target_ops *self,
+ CORE_ADDR addr, int len, int rw,
struct expression *cond)
{
struct lwp_info *lp;
}
static int
-ia64_linux_remove_watchpoint (CORE_ADDR addr, int len, int type,
+ia64_linux_remove_watchpoint (struct target_ops *self,
+ CORE_ADDR addr, int len, int type,
struct expression *cond)
{
int idx;
}
static int
-ia64_linux_stopped_by_watchpoint (void)
+ia64_linux_stopped_by_watchpoint (struct target_ops *ops)
{
CORE_ADDR addr;
- return ia64_linux_stopped_data_address (¤t_target, &addr);
+ return ia64_linux_stopped_data_address (ops, &addr);
}
static int
-ia64_linux_can_use_hw_breakpoint (int type, int cnt, int othertype)
+ia64_linux_can_use_hw_breakpoint (struct target_ops *self,
+ int type, int cnt, int othertype)
{
return 1;
}
static target_xfer_partial_ftype *super_xfer_partial;
-static LONGEST
+/* Implement the to_xfer_partial target_ops method. */
+
+static enum target_xfer_status
ia64_linux_xfer_partial (struct target_ops *ops,
enum target_object object,
const char *annex,
gdb_byte *readbuf, const gdb_byte *writebuf,
- ULONGEST offset, ULONGEST len)
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
{
- if (object == TARGET_OBJECT_UNWIND_TABLE && writebuf == NULL && offset == 0)
- return syscall (__NR_getunwind, readbuf, len);
+ if (object == TARGET_OBJECT_UNWIND_TABLE && readbuf != NULL)
+ {
+ static long gate_table_size;
+ gdb_byte *tmp_buf;
+ long res;
+
+ /* Probe for the table size once. */
+ if (gate_table_size == 0)
+ gate_table_size = syscall (__NR_getunwind, NULL, 0);
+ if (gate_table_size < 0)
+ return TARGET_XFER_E_IO;
+
+ if (offset >= gate_table_size)
+ return TARGET_XFER_EOF;
+
+ tmp_buf = alloca (gate_table_size);
+ res = syscall (__NR_getunwind, tmp_buf, gate_table_size);
+ if (res < 0)
+ return TARGET_XFER_E_IO;
+ gdb_assert (res == gate_table_size);
+
+ if (offset + len > gate_table_size)
+ len = gate_table_size - offset;
+
+ memcpy (readbuf, tmp_buf + offset, len);
+ *xfered_len = len;
+ return TARGET_XFER_OK;
+ }
return super_xfer_partial (ops, object, annex, readbuf, writebuf,
- offset, len);
+ offset, len, xfered_len);
}
/* For break.b instruction ia64 CPU forgets the immediate value and generates