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authorDoug Evans <dje@google.com>2016-10-06 12:12:33 +0100
committerPedro Alves <palves@redhat.com>2016-10-06 12:12:33 +0100
commitee8da4b8396d9a74d27cb9bb0f3aa43d6d23b8ea (patch)
tree1fd455f93881201680ad490eb1e54d62647b33d6 /gdb/doc/gdb.texinfo
parent3ac6b810d1e58fe10ee496fdb1ebd4ce050dc91c (diff)
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Make "end" field in feature specs required again.
Newer gdbservers may be talking to older gdbs, and older gdbs will flag a missing "end" as an error. So just make "end" required again, and for compatibility change the default field type to "bool". gdb/ChangeLog: 2016-10-06 Doug Evans <dje@google.com> * features/aarch64-core.xml (cpsr_flags): Elide "type" and specify "end" in all fields. * features/aarch64.c: Regenerate. * features/i386/32bit-mpx.xml (_bndcfgu): Specify type of "preserved" and "enabled" fields. Correct size of "enabled" field. * features/i386/64bit-mpx.xml (_bndcfgu): Specify type of "preserved" and "enabled" fields. * features/i386/i386-avx-mpx-linux.c: Regenerate. * features/i386/i386-avx-mpx.c: Regenerate. * features/i386/i386-avx512-linux.c: Regenerate. * features/i386/i386-avx512.c: Regenerate. * features/i386/i386-mpx-linux.c: Regenerate. * features/i386/i386-mpx.c: Regenerate. * features/arc-arcompact.c: Regenerate. * features/arc-v2.c: Regenerate. * xml-tdesc.c (tdesc_start_field): Require "end" spec. Single bit fields default to "bool" type. Revert 2016-03-15 Doug Evans <dje@google.com> * features/i386/32bit-core.xml (i386_eflags): Remove "end" spec. * features/i386/32bit-sse.xml (i386_eflags): Ditto. * features/i386/64bit-core.xml (i386_eflags): Ditto. * features/i386/64bit-sse.xml (i386_eflags): Ditto. * features/i386/x32-core.xml (i386_eflags): Ditto. gdb/doc/ChangeLog: 2016-10-06 Doug Evans <dje@google.com> * gdb.texinfo (Target Description Format): Update docs on "end" field spec and field default type. gdb/testsuite/ChangeLog: 2016-10-06 Doug Evans <dje@google.com> * gdb.xml/extra-regs.xml: Update, end field now required, default type for single bitfields is bool. * gdb.xml/tdesc-regs.exp: Ditto.
Diffstat (limited to 'gdb/doc/gdb.texinfo')
-rw-r--r--gdb/doc/gdb.texinfo11
1 files changed, 4 insertions, 7 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 344c186..cfa00ce 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -40722,16 +40722,13 @@ Bitfield values may be named with the empty string, @samp{""},
in which case the field is ``filler'' and its value is not printed.
Not all bits need to be specified, so ``filler'' fields are optional.
-The @var{start} value is required, and @var{end} and @var{type}
-are optional.
+The @var{start} and @var{end} values are required, and @var{type}
+is optional.
The field's @var{start} must be less than or equal to its @var{end},
and zero represents the least significant bit.
-The default value of @var{end} is @var{start}, a single bit field.
-The default value of @var{type} depends on whether the
-@var{end} was specified. If @var{end} is specified then the default
-value of @var{type} is an unsigned integer. If @var{end} is unspecified
-then the default value of @var{type} is @code{bool}.
+The default value of @var{type} is @code{bool} for single bit fields,
+and an unsigned integer otherwise.
Which to choose? Structures or flags?