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Remove MAX_REGISTER_SIZE from mi/mi-main.c

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gdb/
	* mi/mi-main.c (register_changed_p): Use cooked_read_value.
This commit is contained in:
Alan Hayward 2017-06-08 14:02:59 +01:00
parent 6322e5c5cb
commit ff4ca5ac6a
2 changed files with 26 additions and 12 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2017-06-08 Alan Hayward <alan.hayward@arm.com>
* mi/mi-main.c (register_changed_p): Use cooked_read_value.
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
* NEWS (Changes since GDB 8.0): Announce that GDBserver is now

34
gdb/mi/mi-main.c
View File

@ -1111,10 +1111,8 @@ register_changed_p (int regnum, struct regcache *prev_regs,
struct regcache *this_regs)
{
struct gdbarch *gdbarch = get_regcache_arch (this_regs);
gdb_byte prev_buffer[MAX_REGISTER_SIZE];
gdb_byte this_buffer[MAX_REGISTER_SIZE];
enum register_status prev_status;
enum register_status this_status;
struct value *prev_value, *this_value;
int ret;
/* First time through or after gdbarch change consider all registers
as changed. */
@ -1122,16 +1120,28 @@ register_changed_p (int regnum, struct regcache *prev_regs,
return 1;
/* Get register contents and compare. */
prev_status = regcache_cooked_read (prev_regs, regnum, prev_buffer);
this_status = regcache_cooked_read (this_regs, regnum, this_buffer);
prev_value = prev_regs->cooked_read_value (regnum);
this_value = this_regs->cooked_read_value (regnum);
gdb_assert (prev_value != NULL);
gdb_assert (this_value != NULL);
if (this_status != prev_status)
return 1;
else if (this_status == REG_VALID)
return memcmp (prev_buffer, this_buffer,
register_size (gdbarch, regnum)) != 0;
if (value_optimized_out (prev_value) != value_optimized_out (this_value)
|| value_entirely_available (prev_value)
!= value_entirely_available (this_value))
ret = 1;
if (value_optimized_out (prev_value)
|| !value_entirely_available (prev_value))
ret = 0;
else
return 0;
ret = memcmp (value_contents_all (prev_value),
value_contents_all (this_value),
register_size (gdbarch, regnum)) != 0;
release_value (prev_value);
release_value (this_value);
value_free (prev_value);
value_free (this_value);
return ret;
}
/* Return a list of register number and value pairs. The valid