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gdb/s12z: Use default gdbarch methods where possible

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Make use of the default gdbarch methods for gdbarch_unwind_pc, and
gdbarch_unwind_sp where possible.

I have not tested this change but, by inspecting the code, I believe
the default methods are equivalent to the code being deleted.

gdb/ChangeLog:

	* s12z-tdep.c (s12z_unwind_pc): Delete.
	(s12z_unwind_sp): Delete.
	(s12z_gdbarch_init): Don't register deleted functions with
	gdbarch.
This commit is contained in:
Andrew Burgess 2019-01-10 20:38:42 +00:00
parent b614e6f3f8
commit f872fdbb5b
2 changed files with 7 additions and 18 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2019-04-23 Andrew Burgess <andrew.burgess@embecosm.com>
* s12z-tdep.c (s12z_unwind_pc): Delete.
(s12z_unwind_sp): Delete.
(s12z_gdbarch_init): Don't register deleted functions with
gdbarch.
2019-04-23 Andrew Burgess <andrew.burgess@embecosm.com>
* rl78-tdep.c (rl78_unwind_sp): Delete.

18
gdb/s12z-tdep.c
View File

@ -95,20 +95,6 @@ s12z_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
return pc;
}
/* Implement the unwind_pc gdbarch method. */
static CORE_ADDR
s12z_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, REG_P);
}
/* Implement the unwind_sp gdbarch method. */
static CORE_ADDR
s12z_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, REG_S);
}
static struct type *
s12z_register_type (struct gdbarch *gdbarch, int reg_nr)
{
@ -581,10 +567,6 @@ s12z_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_register_type (gdbarch, s12z_register_type);
/* Functions to access frame data. */
set_gdbarch_unwind_pc (gdbarch, s12z_unwind_pc);
set_gdbarch_unwind_sp (gdbarch, s12z_unwind_sp);
frame_unwind_append_unwinder (gdbarch, &s12z_frame_unwind);
/* Currently, the only known producer for this archtecture, produces buggy
dwarf CFI. So don't append a dwarf unwinder until the situation is