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gdb/s390: Fill gen_return_address hook.

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gdb/ChangeLog:

	* s390-linux-tdep.c (s390_gen_return_address): New function.
	(s390_gdbarch_init): Fill gen_return_address hook.
This commit is contained in:
Marcin Kościelnicki 2015-11-14 23:08:07 +01:00
parent 724cd463c6
commit 70104a9087
2 changed files with 20 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2016-03-13 Marcin Kościelnicki <koriakin@0x04.net>
* s390-linux-tdep.c (s390_gen_return_address): New function.
(s390_gdbarch_init): Fill gen_return_address hook.
2016-03-11 Andrew Burgess <andrew.burgess@embecosm.com>
* symmisc.c (maintenance_info_line_tables): New function.

15
gdb/s390-linux-tdep.c
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@ -639,6 +639,20 @@ s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch,
return 0;
}
/* The "gen_return_address" gdbarch method. Since this is supposed to be
just a best-effort method, and we don't really have the means to run
the full unwinder here, just collect the link register. */
static void
s390_gen_return_address (struct gdbarch *gdbarch,
struct agent_expr *ax, struct axs_value *value,
CORE_ADDR scope)
{
value->type = register_type (gdbarch, S390_R14_REGNUM);
value->kind = axs_lvalue_register;
value->u.reg = S390_R14_REGNUM;
}
/* A helper for s390_software_single_step, decides if an instruction
is a partial-execution instruction that needs to be executed until
@ -8002,6 +8016,7 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
s390_ax_pseudo_register_collect);
set_gdbarch_ax_pseudo_register_push_stack
(gdbarch, s390_ax_pseudo_register_push_stack);
set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
tdesc_use_registers (gdbarch, tdesc, tdesc_data);
set_gdbarch_register_name (gdbarch, s390_register_name);