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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-04-29 10:03:59 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-05-01 11:45:35 -0700 |
| commit | af93ccacc772019298be4c3e47251cdaa60d0c21 (patch) | |
| tree | 3f5ec23f5f4d490bbd297fd0175c2f50d9a1af71 /docs/devel | |
| parent | 60c425f328957caaa46da895086cc0ea46865d3d (diff) | |
| download | focaccia-qemu-af93ccacc772019298be4c3e47251cdaa60d0c21.tar.gz focaccia-qemu-af93ccacc772019298be4c3e47251cdaa60d0c21.zip | |
decodetree: Extend argument set syntax to allow types
Rather than force all structure members to be 'int', allow the type of the member to be specified. Reviewed-by: Luis Pires <luis.pires@eldorado.org.br> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'docs/devel')
| -rw-r--r-- | docs/devel/decodetree.rst | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/docs/devel/decodetree.rst b/docs/devel/decodetree.rst index 74f66bf46e..49ea50c2a7 100644 --- a/docs/devel/decodetree.rst +++ b/docs/devel/decodetree.rst @@ -40,9 +40,6 @@ and returns an integral value extracted from there. A field with no ``unnamed_fields`` and no ``!function`` is in error. -FIXME: the fields of the structure into which this result will be stored -is restricted to ``int``. Which means that we cannot expand 64-bit items. - Field examples: +---------------------------+---------------------------------------------+ @@ -66,9 +63,14 @@ Argument Sets Syntax:: args_def := '&' identifier ( args_elt )+ ( !extern )? - args_elt := identifier + args_elt := identifier (':' identifier)? Each *args_elt* defines an argument within the argument set. +If the form of the *args_elt* contains a colon, the first +identifier is the argument name and the second identifier is +the argument type. If the colon is missing, the argument +type will be ``int``. + Each argument set will be rendered as a C structure "arg_$name" with each of the fields being one of the member arguments. @@ -86,6 +88,7 @@ Argument set examples:: ®3 ra rb rc &loadstore reg base offset + &longldst reg base offset:int64_t Formats |