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AArch64: 128bit views for SVE registers

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SVE can view Z registers as 128bit values using .q prefix.

Add this view to the SVE feature.

gdb/ChangeLog:

	* features/aarch64-sve.c (create_feature_aarch64_sve): Add q view.
This commit is contained in:
Alan Hayward 2019-03-28 12:14:09 +00:00
parent 69f4c9cc03
commit fc96163a3e
2 changed files with 18 additions and 0 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2019-03-28 Alan Hayward <alan.hayward@arm.com>
* features/aarch64-sve.c (create_feature_aarch64_sve): Add q view.
2019-03-24 Philippe Waroquiers <philippe.waroquiers@skynet.be>
Tom Tromey <tromey@adacore.com>

14
gdb/features/aarch64-sve.c
View File

@ -31,6 +31,12 @@ create_feature_aarch64_sve (struct target_desc *result, long regnum,
feature = tdesc_create_feature (result, "org.gnu.gdb.aarch64.sve");
element_type = tdesc_named_type (feature, "uint128");
tdesc_create_vector (feature, "svevqu", element_type, scale);
element_type = tdesc_named_type (feature, "int128");
tdesc_create_vector (feature, "svevqs", element_type, scale);
element_type = tdesc_named_type (feature, "ieee_double");
tdesc_create_vector (feature, "svevdf", element_type, 2 * scale);
@ -61,6 +67,12 @@ create_feature_aarch64_sve (struct target_desc *result, long regnum,
element_type = tdesc_named_type (feature, "int8");
tdesc_create_vector (feature, "svevbs", element_type, 16 * scale);
type_with_fields = tdesc_create_union (feature, "svevnq");
field_type = tdesc_named_type (feature, "svevqu");
tdesc_add_field (type_with_fields, "u", field_type);
field_type = tdesc_named_type (feature, "svevqs");
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svevnd");
field_type = tdesc_named_type (feature, "svevdf");
tdesc_add_field (type_with_fields, "f", field_type);
@ -90,6 +102,8 @@ create_feature_aarch64_sve (struct target_desc *result, long regnum,
tdesc_add_field (type_with_fields, "s", field_type);
type_with_fields = tdesc_create_union (feature, "svev");
field_type = tdesc_named_type (feature, "svevnq");
tdesc_add_field (type_with_fields, "q", field_type);
field_type = tdesc_named_type (feature, "svevnd");
tdesc_add_field (type_with_fields, "d", field_type);
field_type = tdesc_named_type (feature, "svevns");