int *optimizedp, int *unavailablep)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
- int i;
- int maxsize;
- int numregs;
/* Skip registers wholly inside of OFFSET. */
while (offset >= register_size (gdbarch, regnum))
/* Ensure that we will not read beyond the end of the register file.
This can only ever happen if the debug information is bad. */
- maxsize = -offset;
- numregs = gdbarch_num_cooked_regs (gdbarch);
- for (i = regnum; i < numregs; i++)
+ int maxsize = -offset;
+ int numregs = gdbarch_num_cooked_regs (gdbarch);
+ for (int i = regnum; i < numregs; i++)
{
int thissize = register_size (gdbarch, i);
maxsize += thissize;
}
- int len = buffer.size ();
- if (len > maxsize)
+ if (buffer.size () > maxsize)
error (_("Bad debug information detected: "
- "Attempt to read %d bytes from registers."), len);
+ "Attempt to read %zu bytes from registers."), buffer.size ());
/* Copy the data. */
- while (len > 0)
+ while (!buffer.empty ())
{
- int curr_len = register_size (gdbarch, regnum) - offset;
-
- if (curr_len > len)
- curr_len = len;
-
- gdb_byte *myaddr = buffer.data ();
+ int curr_len = std::min<int> (register_size (gdbarch, regnum) - offset,
+ buffer.size ());
if (curr_len == register_size (gdbarch, regnum))
{
CORE_ADDR addr;
int realnum;
- frame_register (frame, regnum, optimizedp, unavailablep,
- &lval, &addr, &realnum, myaddr);
+ frame_register (frame, regnum, optimizedp, unavailablep, &lval,
+ &addr, &realnum, buffer.data ());
if (*optimizedp || *unavailablep)
return false;
}
return false;
}
- memcpy (myaddr, value->contents_all ().data () + offset,
- curr_len);
+ copy (value->contents_all ().slice (offset, curr_len),
+ buffer.slice (0, curr_len));
release_value (value);
}
- myaddr += curr_len;
- len -= curr_len;
+ buffer = buffer.slice (curr_len);
offset = 0;
regnum++;
}
regnum++;
}
- int len = buffer.size ();
/* Copy the data. */
- while (len > 0)
+ while (!buffer.empty ())
{
- int curr_len = register_size (gdbarch, regnum) - offset;
+ int curr_len = std::min<int> (register_size (gdbarch, regnum) - offset,
+ buffer.size ());
- if (curr_len > len)
- curr_len = len;
-
- const gdb_byte *myaddr = buffer.data ();
if (curr_len == register_size (gdbarch, regnum))
- {
- put_frame_register (frame, regnum, myaddr);
- }
+ put_frame_register (frame, regnum, buffer.data ());
else
{
- struct value *value
+ value *value
= frame_unwind_register_value (frame_info_ptr (frame->next),
regnum);
- gdb_assert (value != NULL);
+ gdb_assert (value != nullptr);
- memcpy ((char *) value->contents_writeable ().data () + offset,
- myaddr, curr_len);
- put_frame_register (frame, regnum,
- value->contents_raw ().data ());
+ copy (buffer.slice (0, curr_len),
+ value->contents_writeable ().slice (offset, curr_len));
+ put_frame_register (frame, regnum, value->contents_raw ().data ());
release_value (value);
}
- myaddr += curr_len;
- len -= curr_len;
+ buffer = buffer.slice (curr_len);
offset = 0;
regnum++;
}