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AArch64: Add default reggroups

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AArch64 does not define any reggroups.  This causes "maintenance print
reggroups" to dump the default set (which is ok).

However, if a new group is added via an xml file, then this now becomes
the only group.

Fixes gdb.xml/tdesc-regs.exp on AArch64.

gdb/ChangeLog:

	* aarch64-tdep.c (aarch64_add_reggroups): New function
	(aarch64_gdbarch_init): Call aarch64_add_reggroups.
This commit is contained in:
Alan Hayward 2019-02-20 11:56:23 +00:00
parent eed62915fd
commit 0ef8a082c3
2 changed files with 21 additions and 0 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2019-02-20 Alan Hayward <alan.hayward@arm.com>
* aarch64-tdep.c (aarch64_add_reggroups): New function.
(aarch64_gdbarch_init): Call aarch64_add_reggroups.
2019-02-19 Simon Marchi <simon.marchi@polymtl.ca>
* top.h (source_file_name): Change to std::string.

16
gdb/aarch64-tdep.c
View File

@ -2955,6 +2955,19 @@ aarch64_get_tdesc_vq (const struct target_desc *tdesc)
return sve_vq_from_vl (vl);
}
/* Add all the expected register sets into GDBARCH. */
static void
aarch64_add_reggroups (struct gdbarch *gdbarch)
{
reggroup_add (gdbarch, general_reggroup);
reggroup_add (gdbarch, float_reggroup);
reggroup_add (gdbarch, system_reggroup);
reggroup_add (gdbarch, vector_reggroup);
reggroup_add (gdbarch, all_reggroup);
reggroup_add (gdbarch, save_reggroup);
reggroup_add (gdbarch, restore_reggroup);
}
/* Initialize the current architecture based on INFO. If possible,
re-use an architecture from ARCHES, which is a list of
@ -3137,6 +3150,9 @@ aarch64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Virtual tables. */
set_gdbarch_vbit_in_delta (gdbarch, 1);
/* Register architecture. */
aarch64_add_reggroups (gdbarch);
/* Hook in the ABI-specific overrides, if they have been registered. */
info.target_desc = tdesc;
info.tdesc_data = tdesc_data;