diff options
Diffstat (limited to 'gdb/s390-linux-tdep.c')
| -rw-r--r-- | gdb/s390-linux-tdep.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gdb/s390-linux-tdep.c b/gdb/s390-linux-tdep.c index 253d69c..fc57592 100644 --- a/gdb/s390-linux-tdep.c +++ b/gdb/s390-linux-tdep.c @@ -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); |