First commit
This commit is contained in:
commit
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|
|||
cmake_minimum_required(VERSION 3.13)
|
||||
project(nanowasm C)
|
||||
option(NW_LOG "Enables logging to stderr" ON)
|
||||
add_library(${PROJECT_NAME})
|
||||
target_include_directories(${PROJECT_NAME} PUBLIC include
|
||||
PRIVATE private_include)
|
||||
target_compile_options(${PROJECT_NAME} PRIVATE
|
||||
-ffunction-sections
|
||||
-fdata-sections
|
||||
-pedantic
|
||||
-Wall
|
||||
)
|
||||
|
||||
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
|
||||
target_compile_options(${PROJECT_NAME} PRIVATE -Og)
|
||||
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
|
||||
target_compile_options(${PROJECT_NAME} PRIVATE -Os)
|
||||
endif()
|
||||
|
||||
if(NW_LOG)
|
||||
target_compile_definitions(${PROJECT_NAME} PRIVATE ENABLE_LOG)
|
||||
endif()
|
||||
|
||||
target_compile_features(${PROJECT_NAME} PUBLIC c_std_99)
|
||||
set_target_properties(${PROJECT_NAME} PROPERTIES C_STANDARD 99 C_EXTENSIONS OFF)
|
||||
add_subdirectory(src)
|
||||
add_subdirectory(test)
|
|
@ -0,0 +1,661 @@
|
|||
GNU AFFERO GENERAL PUBLIC LICENSE
|
||||
Version 3, 19 November 2007
|
||||
|
||||
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The GNU Affero General Public License is a free, copyleft license for
|
||||
software and other kinds of works, specifically designed to ensure
|
||||
cooperation with the community in the case of network server software.
|
||||
|
||||
The licenses for most software and other practical works are designed
|
||||
to take away your freedom to share and change the works. By contrast,
|
||||
our General Public Licenses are intended to guarantee your freedom to
|
||||
share and change all versions of a program--to make sure it remains free
|
||||
software for all its users.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
them if you wish), that you receive source code or can get it if you
|
||||
want it, that you can change the software or use pieces of it in new
|
||||
free programs, and that you know you can do these things.
|
||||
|
||||
Developers that use our General Public Licenses protect your rights
|
||||
with two steps: (1) assert copyright on the software, and (2) offer
|
||||
you this License which gives you legal permission to copy, distribute
|
||||
and/or modify the software.
|
||||
|
||||
A secondary benefit of defending all users' freedom is that
|
||||
improvements made in alternate versions of the program, if they
|
||||
receive widespread use, become available for other developers to
|
||||
incorporate. Many developers of free software are heartened and
|
||||
encouraged by the resulting cooperation. However, in the case of
|
||||
software used on network servers, this result may fail to come about.
|
||||
The GNU General Public License permits making a modified version and
|
||||
letting the public access it on a server without ever releasing its
|
||||
source code to the public.
|
||||
|
||||
The GNU Affero General Public License is designed specifically to
|
||||
ensure that, in such cases, the modified source code becomes available
|
||||
to the community. It requires the operator of a network server to
|
||||
provide the source code of the modified version running there to the
|
||||
users of that server. Therefore, public use of a modified version, on
|
||||
a publicly accessible server, gives the public access to the source
|
||||
code of the modified version.
|
||||
|
||||
An older license, called the Affero General Public License and
|
||||
published by Affero, was designed to accomplish similar goals. This is
|
||||
a different license, not a version of the Affero GPL, but Affero has
|
||||
released a new version of the Affero GPL which permits relicensing under
|
||||
this license.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
TERMS AND CONDITIONS
|
||||
|
||||
0. Definitions.
|
||||
|
||||
"This License" refers to version 3 of the GNU Affero General Public License.
|
||||
|
||||
"Copyright" also means copyright-like laws that apply to other kinds of
|
||||
works, such as semiconductor masks.
|
||||
|
||||
"The Program" refers to any copyrightable work licensed under this
|
||||
License. Each licensee is addressed as "you". "Licensees" and
|
||||
"recipients" may be individuals or organizations.
|
||||
|
||||
To "modify" a work means to copy from or adapt all or part of the work
|
||||
in a fashion requiring copyright permission, other than the making of an
|
||||
exact copy. The resulting work is called a "modified version" of the
|
||||
earlier work or a work "based on" the earlier work.
|
||||
|
||||
A "covered work" means either the unmodified Program or a work based
|
||||
on the Program.
|
||||
|
||||
To "propagate" a work means to do anything with it that, without
|
||||
permission, would make you directly or secondarily liable for
|
||||
infringement under applicable copyright law, except executing it on a
|
||||
computer or modifying a private copy. Propagation includes copying,
|
||||
distribution (with or without modification), making available to the
|
||||
public, and in some countries other activities as well.
|
||||
|
||||
To "convey" a work means any kind of propagation that enables other
|
||||
parties to make or receive copies. Mere interaction with a user through
|
||||
a computer network, with no transfer of a copy, is not conveying.
|
||||
|
||||
An interactive user interface displays "Appropriate Legal Notices"
|
||||
to the extent that it includes a convenient and prominently visible
|
||||
feature that (1) displays an appropriate copyright notice, and (2)
|
||||
tells the user that there is no warranty for the work (except to the
|
||||
extent that warranties are provided), that licensees may convey the
|
||||
work under this License, and how to view a copy of this License. If
|
||||
the interface presents a list of user commands or options, such as a
|
||||
menu, a prominent item in the list meets this criterion.
|
||||
|
||||
1. Source Code.
|
||||
|
||||
The "source code" for a work means the preferred form of the work
|
||||
for making modifications to it. "Object code" means any non-source
|
||||
form of a work.
|
||||
|
||||
A "Standard Interface" means an interface that either is an official
|
||||
standard defined by a recognized standards body, or, in the case of
|
||||
interfaces specified for a particular programming language, one that
|
||||
is widely used among developers working in that language.
|
||||
|
||||
The "System Libraries" of an executable work include anything, other
|
||||
than the work as a whole, that (a) is included in the normal form of
|
||||
packaging a Major Component, but which is not part of that Major
|
||||
Component, and (b) serves only to enable use of the work with that
|
||||
Major Component, or to implement a Standard Interface for which an
|
||||
implementation is available to the public in source code form. A
|
||||
"Major Component", in this context, means a major essential component
|
||||
(kernel, window system, and so on) of the specific operating system
|
||||
(if any) on which the executable work runs, or a compiler used to
|
||||
produce the work, or an object code interpreter used to run it.
|
||||
|
||||
The "Corresponding Source" for a work in object code form means all
|
||||
the source code needed to generate, install, and (for an executable
|
||||
work) run the object code and to modify the work, including scripts to
|
||||
control those activities. However, it does not include the work's
|
||||
System Libraries, or general-purpose tools or generally available free
|
||||
programs which are used unmodified in performing those activities but
|
||||
which are not part of the work. For example, Corresponding Source
|
||||
includes interface definition files associated with source files for
|
||||
the work, and the source code for shared libraries and dynamically
|
||||
linked subprograms that the work is specifically designed to require,
|
||||
such as by intimate data communication or control flow between those
|
||||
subprograms and other parts of the work.
|
||||
|
||||
The Corresponding Source need not include anything that users
|
||||
can regenerate automatically from other parts of the Corresponding
|
||||
Source.
|
||||
|
||||
The Corresponding Source for a work in source code form is that
|
||||
same work.
|
||||
|
||||
2. Basic Permissions.
|
||||
|
||||
All rights granted under this License are granted for the term of
|
||||
copyright on the Program, and are irrevocable provided the stated
|
||||
conditions are met. This License explicitly affirms your unlimited
|
||||
permission to run the unmodified Program. The output from running a
|
||||
covered work is covered by this License only if the output, given its
|
||||
content, constitutes a covered work. This License acknowledges your
|
||||
rights of fair use or other equivalent, as provided by copyright law.
|
||||
|
||||
You may make, run and propagate covered works that you do not
|
||||
convey, without conditions so long as your license otherwise remains
|
||||
in force. You may convey covered works to others for the sole purpose
|
||||
of having them make modifications exclusively for you, or provide you
|
||||
with facilities for running those works, provided that you comply with
|
||||
the terms of this License in conveying all material for which you do
|
||||
not control copyright. Those thus making or running the covered works
|
||||
for you must do so exclusively on your behalf, under your direction
|
||||
and control, on terms that prohibit them from making any copies of
|
||||
your copyrighted material outside their relationship with you.
|
||||
|
||||
Conveying under any other circumstances is permitted solely under
|
||||
the conditions stated below. Sublicensing is not allowed; section 10
|
||||
makes it unnecessary.
|
||||
|
||||
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||
|
||||
No covered work shall be deemed part of an effective technological
|
||||
measure under any applicable law fulfilling obligations under article
|
||||
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||
similar laws prohibiting or restricting circumvention of such
|
||||
measures.
|
||||
|
||||
When you convey a covered work, you waive any legal power to forbid
|
||||
circumvention of technological measures to the extent such circumvention
|
||||
is effected by exercising rights under this License with respect to
|
||||
the covered work, and you disclaim any intention to limit operation or
|
||||
modification of the work as a means of enforcing, against the work's
|
||||
users, your or third parties' legal rights to forbid circumvention of
|
||||
technological measures.
|
||||
|
||||
4. Conveying Verbatim Copies.
|
||||
|
||||
You may convey verbatim copies of the Program's source code as you
|
||||
receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice;
|
||||
keep intact all notices stating that this License and any
|
||||
non-permissive terms added in accord with section 7 apply to the code;
|
||||
keep intact all notices of the absence of any warranty; and give all
|
||||
recipients a copy of this License along with the Program.
|
||||
|
||||
You may charge any price or no price for each copy that you convey,
|
||||
and you may offer support or warranty protection for a fee.
|
||||
|
||||
5. Conveying Modified Source Versions.
|
||||
|
||||
You may convey a work based on the Program, or the modifications to
|
||||
produce it from the Program, in the form of source code under the
|
||||
terms of section 4, provided that you also meet all of these conditions:
|
||||
|
||||
a) The work must carry prominent notices stating that you modified
|
||||
it, and giving a relevant date.
|
||||
|
||||
b) The work must carry prominent notices stating that it is
|
||||
released under this License and any conditions added under section
|
||||
7. This requirement modifies the requirement in section 4 to
|
||||
"keep intact all notices".
|
||||
|
||||
c) You must license the entire work, as a whole, under this
|
||||
License to anyone who comes into possession of a copy. This
|
||||
License will therefore apply, along with any applicable section 7
|
||||
additional terms, to the whole of the work, and all its parts,
|
||||
regardless of how they are packaged. This License gives no
|
||||
permission to license the work in any other way, but it does not
|
||||
invalidate such permission if you have separately received it.
|
||||
|
||||
d) If the work has interactive user interfaces, each must display
|
||||
Appropriate Legal Notices; however, if the Program has interactive
|
||||
interfaces that do not display Appropriate Legal Notices, your
|
||||
work need not make them do so.
|
||||
|
||||
A compilation of a covered work with other separate and independent
|
||||
works, which are not by their nature extensions of the covered work,
|
||||
and which are not combined with it such as to form a larger program,
|
||||
in or on a volume of a storage or distribution medium, is called an
|
||||
"aggregate" if the compilation and its resulting copyright are not
|
||||
used to limit the access or legal rights of the compilation's users
|
||||
beyond what the individual works permit. Inclusion of a covered work
|
||||
in an aggregate does not cause this License to apply to the other
|
||||
parts of the aggregate.
|
||||
|
||||
6. Conveying Non-Source Forms.
|
||||
|
||||
You may convey a covered work in object code form under the terms
|
||||
of sections 4 and 5, provided that you also convey the
|
||||
machine-readable Corresponding Source under the terms of this License,
|
||||
in one of these ways:
|
||||
|
||||
a) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by the
|
||||
Corresponding Source fixed on a durable physical medium
|
||||
customarily used for software interchange.
|
||||
|
||||
b) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by a
|
||||
written offer, valid for at least three years and valid for as
|
||||
long as you offer spare parts or customer support for that product
|
||||
model, to give anyone who possesses the object code either (1) a
|
||||
copy of the Corresponding Source for all the software in the
|
||||
product that is covered by this License, on a durable physical
|
||||
medium customarily used for software interchange, for a price no
|
||||
more than your reasonable cost of physically performing this
|
||||
conveying of source, or (2) access to copy the
|
||||
Corresponding Source from a network server at no charge.
|
||||
|
||||
c) Convey individual copies of the object code with a copy of the
|
||||
written offer to provide the Corresponding Source. This
|
||||
alternative is allowed only occasionally and noncommercially, and
|
||||
only if you received the object code with such an offer, in accord
|
||||
with subsection 6b.
|
||||
|
||||
d) Convey the object code by offering access from a designated
|
||||
place (gratis or for a charge), and offer equivalent access to the
|
||||
Corresponding Source in the same way through the same place at no
|
||||
further charge. You need not require recipients to copy the
|
||||
Corresponding Source along with the object code. If the place to
|
||||
copy the object code is a network server, the Corresponding Source
|
||||
may be on a different server (operated by you or a third party)
|
||||
that supports equivalent copying facilities, provided you maintain
|
||||
clear directions next to the object code saying where to find the
|
||||
Corresponding Source. Regardless of what server hosts the
|
||||
Corresponding Source, you remain obligated to ensure that it is
|
||||
available for as long as needed to satisfy these requirements.
|
||||
|
||||
e) Convey the object code using peer-to-peer transmission, provided
|
||||
you inform other peers where the object code and Corresponding
|
||||
Source of the work are being offered to the general public at no
|
||||
charge under subsection 6d.
|
||||
|
||||
A separable portion of the object code, whose source code is excluded
|
||||
from the Corresponding Source as a System Library, need not be
|
||||
included in conveying the object code work.
|
||||
|
||||
A "User Product" is either (1) a "consumer product", which means any
|
||||
tangible personal property which is normally used for personal, family,
|
||||
or household purposes, or (2) anything designed or sold for incorporation
|
||||
into a dwelling. In determining whether a product is a consumer product,
|
||||
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||
product received by a particular user, "normally used" refers to a
|
||||
typical or common use of that class of product, regardless of the status
|
||||
of the particular user or of the way in which the particular user
|
||||
actually uses, or expects or is expected to use, the product. A product
|
||||
is a consumer product regardless of whether the product has substantial
|
||||
commercial, industrial or non-consumer uses, unless such uses represent
|
||||
the only significant mode of use of the product.
|
||||
|
||||
"Installation Information" for a User Product means any methods,
|
||||
procedures, authorization keys, or other information required to install
|
||||
and execute modified versions of a covered work in that User Product from
|
||||
a modified version of its Corresponding Source. The information must
|
||||
suffice to ensure that the continued functioning of the modified object
|
||||
code is in no case prevented or interfered with solely because
|
||||
modification has been made.
|
||||
|
||||
If you convey an object code work under this section in, or with, or
|
||||
specifically for use in, a User Product, and the conveying occurs as
|
||||
part of a transaction in which the right of possession and use of the
|
||||
User Product is transferred to the recipient in perpetuity or for a
|
||||
fixed term (regardless of how the transaction is characterized), the
|
||||
Corresponding Source conveyed under this section must be accompanied
|
||||
by the Installation Information. But this requirement does not apply
|
||||
if neither you nor any third party retains the ability to install
|
||||
modified object code on the User Product (for example, the work has
|
||||
been installed in ROM).
|
||||
|
||||
The requirement to provide Installation Information does not include a
|
||||
requirement to continue to provide support service, warranty, or updates
|
||||
for a work that has been modified or installed by the recipient, or for
|
||||
the User Product in which it has been modified or installed. Access to a
|
||||
network may be denied when the modification itself materially and
|
||||
adversely affects the operation of the network or violates the rules and
|
||||
protocols for communication across the network.
|
||||
|
||||
Corresponding Source conveyed, and Installation Information provided,
|
||||
in accord with this section must be in a format that is publicly
|
||||
documented (and with an implementation available to the public in
|
||||
source code form), and must require no special password or key for
|
||||
unpacking, reading or copying.
|
||||
|
||||
7. Additional Terms.
|
||||
|
||||
"Additional permissions" are terms that supplement the terms of this
|
||||
License by making exceptions from one or more of its conditions.
|
||||
Additional permissions that are applicable to the entire Program shall
|
||||
be treated as though they were included in this License, to the extent
|
||||
that they are valid under applicable law. If additional permissions
|
||||
apply only to part of the Program, that part may be used separately
|
||||
under those permissions, but the entire Program remains governed by
|
||||
this License without regard to the additional permissions.
|
||||
|
||||
When you convey a copy of a covered work, you may at your option
|
||||
remove any additional permissions from that copy, or from any part of
|
||||
it. (Additional permissions may be written to require their own
|
||||
removal in certain cases when you modify the work.) You may place
|
||||
additional permissions on material, added by you to a covered work,
|
||||
for which you have or can give appropriate copyright permission.
|
||||
|
||||
Notwithstanding any other provision of this License, for material you
|
||||
add to a covered work, you may (if authorized by the copyright holders of
|
||||
that material) supplement the terms of this License with terms:
|
||||
|
||||
a) Disclaiming warranty or limiting liability differently from the
|
||||
terms of sections 15 and 16 of this License; or
|
||||
|
||||
b) Requiring preservation of specified reasonable legal notices or
|
||||
author attributions in that material or in the Appropriate Legal
|
||||
Notices displayed by works containing it; or
|
||||
|
||||
c) Prohibiting misrepresentation of the origin of that material, or
|
||||
requiring that modified versions of such material be marked in
|
||||
reasonable ways as different from the original version; or
|
||||
|
||||
d) Limiting the use for publicity purposes of names of licensors or
|
||||
authors of the material; or
|
||||
|
||||
e) Declining to grant rights under trademark law for use of some
|
||||
trade names, trademarks, or service marks; or
|
||||
|
||||
f) Requiring indemnification of licensors and authors of that
|
||||
material by anyone who conveys the material (or modified versions of
|
||||
it) with contractual assumptions of liability to the recipient, for
|
||||
any liability that these contractual assumptions directly impose on
|
||||
those licensors and authors.
|
||||
|
||||
All other non-permissive additional terms are considered "further
|
||||
restrictions" within the meaning of section 10. If the Program as you
|
||||
received it, or any part of it, contains a notice stating that it is
|
||||
governed by this License along with a term that is a further
|
||||
restriction, you may remove that term. If a license document contains
|
||||
a further restriction but permits relicensing or conveying under this
|
||||
License, you may add to a covered work material governed by the terms
|
||||
of that license document, provided that the further restriction does
|
||||
not survive such relicensing or conveying.
|
||||
|
||||
If you add terms to a covered work in accord with this section, you
|
||||
must place, in the relevant source files, a statement of the
|
||||
additional terms that apply to those files, or a notice indicating
|
||||
where to find the applicable terms.
|
||||
|
||||
Additional terms, permissive or non-permissive, may be stated in the
|
||||
form of a separately written license, or stated as exceptions;
|
||||
the above requirements apply either way.
|
||||
|
||||
8. Termination.
|
||||
|
||||
You may not propagate or modify a covered work except as expressly
|
||||
provided under this License. Any attempt otherwise to propagate or
|
||||
modify it is void, and will automatically terminate your rights under
|
||||
this License (including any patent licenses granted under the third
|
||||
paragraph of section 11).
|
||||
|
||||
However, if you cease all violation of this License, then your
|
||||
license from a particular copyright holder is reinstated (a)
|
||||
provisionally, unless and until the copyright holder explicitly and
|
||||
finally terminates your license, and (b) permanently, if the copyright
|
||||
holder fails to notify you of the violation by some reasonable means
|
||||
prior to 60 days after the cessation.
|
||||
|
||||
Moreover, your license from a particular copyright holder is
|
||||
reinstated permanently if the copyright holder notifies you of the
|
||||
violation by some reasonable means, this is the first time you have
|
||||
received notice of violation of this License (for any work) from that
|
||||
copyright holder, and you cure the violation prior to 30 days after
|
||||
your receipt of the notice.
|
||||
|
||||
Termination of your rights under this section does not terminate the
|
||||
licenses of parties who have received copies or rights from you under
|
||||
this License. If your rights have been terminated and not permanently
|
||||
reinstated, you do not qualify to receive new licenses for the same
|
||||
material under section 10.
|
||||
|
||||
9. Acceptance Not Required for Having Copies.
|
||||
|
||||
You are not required to accept this License in order to receive or
|
||||
run a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Remote Network Interaction; Use with the GNU General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, if you modify the
|
||||
Program, your modified version must prominently offer all users
|
||||
interacting with it remotely through a computer network (if your version
|
||||
supports such interaction) an opportunity to receive the Corresponding
|
||||
Source of your version by providing access to the Corresponding Source
|
||||
from a network server at no charge, through some standard or customary
|
||||
means of facilitating copying of software. This Corresponding Source
|
||||
shall include the Corresponding Source for any work covered by version 3
|
||||
of the GNU General Public License that is incorporated pursuant to the
|
||||
following paragraph.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the work with which it is combined will remain governed by version
|
||||
3 of the GNU General Public License.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU Affero General Public License from time to time. Such new versions
|
||||
will be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU Affero General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU Affero General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU Affero General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
state the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU Affero General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Affero General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Affero General Public License
|
||||
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If your software can interact with users remotely through a computer
|
||||
network, you should also make sure that it provides a way for users to
|
||||
get its source. For example, if your program is a web application, its
|
||||
interface could display a "Source" link that leads users to an archive
|
||||
of the code. There are many ways you could offer source, and different
|
||||
solutions will be better for different programs; see section 13 for the
|
||||
specific requirements.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or school,
|
||||
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||
For more information on this, and how to apply and follow the GNU AGPL, see
|
||||
<https://www.gnu.org/licenses/>.
|
|
@ -0,0 +1,36 @@
|
|||
# `nanowasm`, a tiny WebAssembly/Wasm interpreter
|
||||
|
||||
This project aims to provide the most minimal Wasm interpreter possible in
|
||||
strictly portable ISO C99.
|
||||
|
||||
## Features
|
||||
|
||||
- Portable, ISO C99 implementation
|
||||
- Suitable for resource-constrained devices.
|
||||
- Does not require dynamic memory allocation.
|
||||
|
||||
## What `nanowasm` is not
|
||||
|
||||
As opposed to other interpreters, `nanowasm` prefers lower memory usage
|
||||
rather than run-time performance. Therefore, it should not be unfairly
|
||||
compared _performance_-wise against other interpreters.
|
||||
|
||||
## License
|
||||
|
||||
```
|
||||
nanowasm, a tiny WebAssembly/Wasm interpreter
|
||||
Copyright (C) 2023-2024 Xavier Del Campo Romero
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU Affero General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Affero General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Affero General Public License
|
||||
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
```
|
|
@ -0,0 +1,20 @@
|
|||
#ifndef NANOWASM_H
|
||||
#define NANOWASM_H
|
||||
|
||||
#include <nanowasm/types.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif
|
||||
|
||||
int nw_load(const struct nw_mod_cfg *cfg, struct nw_mod *m);
|
||||
int nw_start(const struct nw_inst_cfg *icfg, struct nw_inst *i);
|
||||
enum nw_state nw_run(struct nw_inst *i);
|
||||
int nw_stop(struct nw_inst *i);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
|
@ -0,0 +1,139 @@
|
|||
#ifndef NANOWASM_TYPES_H
|
||||
#define NANOWASM_TYPES_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif
|
||||
|
||||
union nw_value
|
||||
{
|
||||
long i32;
|
||||
long long i64;
|
||||
float f32;
|
||||
double f64;
|
||||
/* TODO: define {de}serialization between Wasm and host. */
|
||||
void *p;
|
||||
};
|
||||
|
||||
enum nw_kind
|
||||
{
|
||||
NW_KIND_FUNCTION,
|
||||
NW_KIND_TABLE,
|
||||
NW_KIND_MEMORY,
|
||||
NW_KIND_GLOBAL
|
||||
};
|
||||
|
||||
struct nw_args
|
||||
{
|
||||
const union nw_value *args;
|
||||
size_t n;
|
||||
};
|
||||
|
||||
struct nw_buf
|
||||
{
|
||||
void *buf;
|
||||
size_t n;
|
||||
};
|
||||
|
||||
enum nw_state
|
||||
{
|
||||
NW_STATE_AGAIN,
|
||||
NW_STATE_RETURNED,
|
||||
NW_STATE_EXCEPTION,
|
||||
NW_STATE_FATAL
|
||||
};
|
||||
|
||||
struct nw_mod_cfg
|
||||
{
|
||||
const struct nw_import
|
||||
{
|
||||
enum nw_kind kind;
|
||||
const char *module, *field;
|
||||
|
||||
union
|
||||
{
|
||||
struct
|
||||
{
|
||||
/* This must follow the format below, whitespace ignored:
|
||||
* [return type]([param type][, ...])
|
||||
* For convenience, the interpreter can do automatic checks on
|
||||
* pointer arguments and/or return values if using '*' as type.
|
||||
* Examples:
|
||||
* "()"
|
||||
* "i32(f32)"
|
||||
* "*(f64, i32, *, i64)"
|
||||
* As per WebAssembly MVP spec, multiple return types are not
|
||||
* supported yet. */
|
||||
const char *signature;
|
||||
int (*fn)(const struct nw_args *params,
|
||||
union nw_value *ret, void *user);
|
||||
} function;
|
||||
} u;
|
||||
} *imports;
|
||||
|
||||
size_t n_imports;
|
||||
const char *path;
|
||||
void *user;
|
||||
};
|
||||
|
||||
struct nw_interp_cfg
|
||||
{
|
||||
struct
|
||||
{
|
||||
union nw_value *buf;
|
||||
size_t n;
|
||||
} args;
|
||||
|
||||
struct nw_buf stack, heap;
|
||||
};
|
||||
|
||||
struct nw_inst_cfg
|
||||
{
|
||||
struct nw_interp_cfg interp;
|
||||
const struct nw_mod *m;
|
||||
};
|
||||
|
||||
struct nw_mod
|
||||
{
|
||||
struct
|
||||
{
|
||||
long type, import, function, table, memory, global, export,
|
||||
start, element, code, data;
|
||||
} sections;
|
||||
|
||||
struct nw_mod_cfg cfg;
|
||||
};
|
||||
|
||||
struct nw_inst
|
||||
{
|
||||
struct nw_interp
|
||||
{
|
||||
FILE *f;
|
||||
const char *exception;
|
||||
bool exit;
|
||||
struct nw_interp_cfg cfg;
|
||||
size_t stack_i, heap_i;
|
||||
} interp;
|
||||
|
||||
union nw_inst_state
|
||||
{
|
||||
int retval;
|
||||
const char *exception;
|
||||
} state;
|
||||
|
||||
const struct nw_mod *m;
|
||||
};
|
||||
|
||||
#define NW_BUF(sz) {.buf = (char[sz]){0}, .n = sz}
|
||||
#define NW_ARGS(sz) {.buf = (union nw_value[sz]){0}, .n = sz}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
|
@ -0,0 +1,9 @@
|
|||
#ifndef FSTRING_H
|
||||
#define FSTRING_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int fstrcmp(const char *str, FILE *f, bool abort);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,23 @@
|
|||
#ifndef INTERP_H
|
||||
#define INTERP_H
|
||||
|
||||
#include <nanowasm/nw.h>
|
||||
#include <opcodes.h>
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
|
||||
struct interp_set
|
||||
{
|
||||
const enum opcode *opcodes;
|
||||
size_t n;
|
||||
};
|
||||
|
||||
extern const struct interp_set interp_initexpr_set;
|
||||
|
||||
int interp_start(const struct nw_interp_cfg *cfg, struct nw_interp *i);
|
||||
int interp_run(struct nw_interp *i);
|
||||
int interp_run_limited(struct nw_interp *i, const struct interp_set *ops);
|
||||
int interp_check_opcode(uint8_t op, FILE *f);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,9 @@
|
|||
#ifndef LEB128_H
|
||||
#define LEB128_H
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
int leb128_read_unsigned(FILE *f, unsigned maxbits, unsigned long long *out);
|
||||
int leb128_read_signed(FILE *f, unsigned maxbits, long long *out);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,12 @@
|
|||
#ifndef LOG_H
|
||||
#define LOG_H
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#ifdef ENABLE_LOG
|
||||
#define LOG(...) fprintf(stderr, __VA_ARGS__)
|
||||
#else
|
||||
#define LOG(...)
|
||||
#endif
|
||||
|
||||
#endif
|
|
@ -0,0 +1,58 @@
|
|||
#ifndef OPCODES_H
|
||||
#define OPCODES_H
|
||||
|
||||
enum opcode
|
||||
{
|
||||
OP_UNREACHABLE,
|
||||
OP_NOP,
|
||||
OP_BLOCK,
|
||||
OP_LOOP,
|
||||
OP_IF,
|
||||
OP_ELSE,
|
||||
OP_END = 0xb,
|
||||
OP_BR,
|
||||
OP_BR_IF,
|
||||
OP_BR_TABLE,
|
||||
OP_RETURN = 0xf,
|
||||
OP_CALL,
|
||||
OP_CALL_INDIRECT,
|
||||
OP_DROP = 0x1a,
|
||||
OP_SELECT,
|
||||
OP_GET_LOCAL = 0x20,
|
||||
OP_SET_LOCAL,
|
||||
OP_TEE_LOCAL,
|
||||
OP_GET_GLOBAL,
|
||||
OP_SET_GLOBAL,
|
||||
OP_I32_LOAD = 0x28,
|
||||
OP_I64_LOAD,
|
||||
OP_F32_LOAD,
|
||||
OP_F64_LOAD,
|
||||
OP_I32_LOAD8_S,
|
||||
OP_I32_LOAD8_U,
|
||||
OP_I32_LOAD16_S,
|
||||
OP_I32_LOAD16_U,
|
||||
OP_I64_LOAD8_S,
|
||||
OP_I64_LOAD8_U,
|
||||
OP_I64_LOAD16_S,
|
||||
OP_I64_LOAD16_U,
|
||||
OP_I64_LOAD32_S,
|
||||
OP_I64_LOAD32_U,
|
||||
OP_I32_STORE,
|
||||
OP_I64_STORE,
|
||||
OP_F32_STORE,
|
||||
OP_F64_STORE,
|
||||
OP_I32_STORE8,
|
||||
OP_I32_STORE16,
|
||||
OP_I64_STORE8,
|
||||
OP_I64_STORE16,
|
||||
OP_I64_STORE32,
|
||||
OP_CURRENT_MEMORY,
|
||||
OP_GROW_MEMORY,
|
||||
OP_I32_CONST,
|
||||
OP_I64_CONST,
|
||||
OP_F32_CONST,
|
||||
OP_F64_CONST,
|
||||
OP_I32_SUB = 0x6b
|
||||
};
|
||||
|
||||
#endif
|
|
@ -0,0 +1,60 @@
|
|||
#ifndef OPS_H
|
||||
#define OPS_H
|
||||
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int op_unreachable(struct nw_interp *i);
|
||||
int op_nop(struct nw_interp *i);
|
||||
int op_block(struct nw_interp *i);
|
||||
int op_loop(struct nw_interp *i);
|
||||
int op_if(struct nw_interp *i);
|
||||
int op_else(struct nw_interp *i);
|
||||
int op_end(struct nw_interp *i);
|
||||
int op_br(struct nw_interp *i);
|
||||
int op_br_if(struct nw_interp *i);
|
||||
int op_br_table(struct nw_interp *i);
|
||||
int op_return(struct nw_interp *i);
|
||||
int op_call(struct nw_interp *i);
|
||||
int op_call_indirect(struct nw_interp *i);
|
||||
int op_get_local(struct nw_interp *i);
|
||||
int op_set_local(struct nw_interp *i);
|
||||
int op_tee_local(struct nw_interp *i);
|
||||
int op_get_global(struct nw_interp *i);
|
||||
int op_set_global(struct nw_interp *i);
|
||||
int op_i32_load(struct nw_interp *i);
|
||||
int op_i32_store(struct nw_interp *i);
|
||||
int op_current_memory(struct nw_interp *i);
|
||||
int op_i32_const(struct nw_interp *i);
|
||||
int op_i64_const(struct nw_interp *i);
|
||||
int op_f32_const(struct nw_interp *i);
|
||||
int op_f64_const(struct nw_interp *i);
|
||||
int op_i32_sub(struct nw_interp *i);
|
||||
|
||||
int check_unreachable(FILE *f);
|
||||
int check_nop(FILE *f);
|
||||
int check_block(FILE *f);
|
||||
int check_loop(FILE *f);
|
||||
int check_if(FILE *f);
|
||||
int check_else(FILE *f);
|
||||
int check_end(FILE *f);
|
||||
int check_br(FILE *f);
|
||||
int check_br_if(FILE *f);
|
||||
int check_br_table(FILE *f);
|
||||
int check_return(FILE *f);
|
||||
int check_call(FILE *f);
|
||||
int check_call_indirect(FILE *f);
|
||||
int check_get_local(FILE *f);
|
||||
int check_set_local(FILE *f);
|
||||
int check_tee_local(FILE *f);
|
||||
int check_get_global(FILE *f);
|
||||
int check_set_global(FILE *f);
|
||||
int check_i32_load(FILE *f);
|
||||
int check_i32_store(FILE *f);
|
||||
int check_i32_const(FILE *f);
|
||||
int check_i64_const(FILE *f);
|
||||
int check_f32_const(FILE *f);
|
||||
int check_f64_const(FILE *f);
|
||||
int check_i32_sub(FILE *f);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,15 @@
|
|||
#ifndef SEARCH_H
|
||||
#define SEARCH_H
|
||||
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdio.h>
|
||||
|
||||
struct search_fn
|
||||
{
|
||||
long start;
|
||||
};
|
||||
|
||||
int search_exported_fn(const char *fn, const struct nw_mod *m, FILE *f,
|
||||
struct search_fn *out);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,34 @@
|
|||
#ifndef SECTIONS_H
|
||||
#define SECTIONS_H
|
||||
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int section_custom(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_type(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_import(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_function(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_table(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_memory(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_global(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_export(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_start(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_element(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_code(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
int section_data(const struct nw_mod_cfg *cfg, struct nw_mod *m,
|
||||
FILE *f, unsigned long len);
|
||||
|
||||
int check_resizable_limits(FILE *f);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,24 @@
|
|||
#ifndef WASM_TYPES_H
|
||||
#define WASM_TYPES_H
|
||||
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
|
||||
typedef bool varuint1;
|
||||
typedef signed char varint7;
|
||||
typedef unsigned char varuint7;
|
||||
typedef unsigned long varuint32;
|
||||
typedef long varint32;
|
||||
typedef unsigned long long varuint64;
|
||||
typedef long long varint64;
|
||||
|
||||
int varuint1_read(FILE *f, varuint1 *out);
|
||||
int varint7_read(FILE *f, varint7 *out);
|
||||
int varuint7_read(FILE *f, varuint7 *out);
|
||||
int varuint32_read(FILE *f, varuint32 *out);
|
||||
int varint32_read(FILE *f, varint32 *out);
|
||||
int varuint64_read(FILE *f, varuint64 *out);
|
||||
int varint64_read(FILE *f, varint64 *out);
|
||||
|
||||
#endif
|
|
@ -0,0 +1,13 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
fstrcmp.c
|
||||
interp.c
|
||||
leb128.c
|
||||
load.c
|
||||
run.c
|
||||
search.c
|
||||
start.c
|
||||
stop.c
|
||||
types.c
|
||||
)
|
||||
add_subdirectory(op)
|
||||
add_subdirectory(section)
|
|
@ -0,0 +1,32 @@
|
|||
#include <fstring.h>
|
||||
#include <log.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
int fstrcmp(const char *str, FILE *const f, const bool abort)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
for (size_t i = 0; i < strlen(str); i++)
|
||||
{
|
||||
uint8_t byte;
|
||||
|
||||
if (!fread(&byte, sizeof byte, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
else if (byte != str[i])
|
||||
{
|
||||
if (abort)
|
||||
return -1;
|
||||
else
|
||||
ret = -1;
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
|
@ -0,0 +1,171 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <log.h>
|
||||
#include <interp.h>
|
||||
#include <opcodes.h>
|
||||
#include <ops.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <inttypes.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
static const enum opcode initexpr_opcodes[] =
|
||||
{
|
||||
OP_NOP,
|
||||
OP_END,
|
||||
OP_I32_CONST,
|
||||
OP_I64_CONST,
|
||||
OP_F32_CONST,
|
||||
OP_F64_CONST
|
||||
};
|
||||
|
||||
const struct interp_set interp_initexpr_set =
|
||||
{
|
||||
.opcodes = initexpr_opcodes,
|
||||
.n = sizeof initexpr_opcodes / sizeof *initexpr_opcodes
|
||||
};
|
||||
|
||||
static int (*const ops[])(struct nw_interp *) =
|
||||
{
|
||||
[OP_UNREACHABLE] = op_unreachable,
|
||||
[OP_NOP] = op_nop,
|
||||
[OP_BLOCK] = op_block,
|
||||
[OP_LOOP] = op_loop,
|
||||
[OP_IF] = op_if,
|
||||
[OP_ELSE] = op_else,
|
||||
[OP_END] = op_end,
|
||||
[OP_BR] = op_br,
|
||||
[OP_BR_IF] = op_br_if,
|
||||
[OP_BR_TABLE] = op_br_table,
|
||||
[OP_RETURN] = op_return,
|
||||
[OP_CALL] = op_call,
|
||||
[OP_CALL_INDIRECT] = op_call_indirect,
|
||||
[OP_GET_LOCAL] = op_get_local,
|
||||
[OP_SET_LOCAL] = op_set_local,
|
||||
[OP_TEE_LOCAL] = op_tee_local,
|
||||
[OP_GET_GLOBAL] = op_get_global,
|
||||
[OP_SET_GLOBAL] = op_set_global,
|
||||
[OP_I32_LOAD] = op_i32_load,
|
||||
[OP_I32_STORE] = op_i32_store,
|
||||
[OP_I32_CONST] = op_i32_const,
|
||||
[OP_F64_CONST] = op_i64_const,
|
||||
[OP_F32_CONST] = op_f32_const,
|
||||
[OP_F64_CONST] = op_f64_const,
|
||||
[OP_I32_SUB] = op_i32_sub
|
||||
};
|
||||
|
||||
int interp_run(struct nw_interp *const i)
|
||||
{
|
||||
uint8_t op;
|
||||
|
||||
if (!fread(&op, sizeof op, 1, i->f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n", __func__, feof(i->f),
|
||||
ferror(i->f));
|
||||
return 1;
|
||||
}
|
||||
else if (op >= sizeof ops / sizeof *ops)
|
||||
{
|
||||
LOG("%s: invalid opcode %#" PRIx8 "\n", __func__, op);
|
||||
return 1;
|
||||
}
|
||||
else if (!ops[op])
|
||||
{
|
||||
LOG("%s: unsupported opcode %#" PRIx8 "\n", __func__, op);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return ops[op](i);
|
||||
}
|
||||
|
||||
static int run_opcode_limited(struct nw_interp *const in,
|
||||
const struct interp_set *const set)
|
||||
{
|
||||
uint8_t op;
|
||||
|
||||
if (!fread(&op, sizeof op, 1, in->f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(in->f), ferror(in->f));
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < set->n; i++)
|
||||
if (op == set->opcodes[i])
|
||||
return ops[op](in);
|
||||
|
||||
LOG("%s: unexpected opcode %#" PRIx8 "\n", __func__, op);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int interp_run_limited(struct nw_interp *const i,
|
||||
const struct interp_set *const set)
|
||||
{
|
||||
while (!i->exit)
|
||||
if (run_opcode_limited(i, set))
|
||||
{
|
||||
LOG("%s: run_opcode_limited failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int interp_check_opcode(const uint8_t op, FILE *const f)
|
||||
{
|
||||
static int (*const checks[])(FILE *) =
|
||||
{
|
||||
[OP_UNREACHABLE] = check_unreachable,
|
||||
[OP_NOP] = check_nop,
|
||||
[OP_BLOCK] = check_block,
|
||||
[OP_LOOP] = check_loop,
|
||||
[OP_IF] = check_if,
|
||||
[OP_ELSE] = check_else,
|
||||
[OP_END] = check_end,
|
||||
[OP_BR] = check_br,
|
||||
[OP_BR_IF] = check_br_if,
|
||||
[OP_BR_TABLE] = check_br_table,
|
||||
[OP_RETURN] = check_return,
|
||||
[OP_CALL] = check_call,
|
||||
[OP_CALL_INDIRECT] = check_call_indirect,
|
||||
[OP_GET_LOCAL] = check_get_local,
|
||||
[OP_SET_LOCAL] = check_set_local,
|
||||
[OP_TEE_LOCAL] = check_tee_local,
|
||||
[OP_GET_GLOBAL] = check_get_global,
|
||||
[OP_SET_GLOBAL] = check_set_global,
|
||||
[OP_I32_LOAD] = check_i32_load,
|
||||
[OP_I32_STORE] = check_i32_store,
|
||||
[OP_I32_CONST] = check_i32_const,
|
||||
[OP_F64_CONST] = check_i64_const,
|
||||
[OP_F32_CONST] = check_f32_const,
|
||||
[OP_F64_CONST] = check_f64_const,
|
||||
[OP_I32_SUB] = check_i32_sub
|
||||
};
|
||||
|
||||
if (op >= sizeof checks / sizeof *checks)
|
||||
{
|
||||
LOG("%s: invalid opcode %#" PRIx8 "\n", __func__, op);
|
||||
return 1;
|
||||
}
|
||||
else if (!checks[op])
|
||||
{
|
||||
LOG("%s: unsupported opcode %#" PRIx8 "\n", __func__, op);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return checks[op](f);
|
||||
}
|
||||
|
||||
int interp_start(const struct nw_interp_cfg *const cfg,
|
||||
struct nw_interp *const i)
|
||||
{
|
||||
*i = (const struct nw_interp)
|
||||
{
|
||||
.cfg = *cfg
|
||||
};
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,62 @@
|
|||
#include <leb128.h>
|
||||
#include <log.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
|
||||
/* The functions below are (somewhat heavily) modified versions of those
|
||||
* provided by the wac project: https://github.com/kanaka/wac */
|
||||
|
||||
/*
|
||||
* Copyright (C) Joel Martin <github@martintribe.org>
|
||||
* The wac project is licensed under the MPL 2.0 (Mozilla Public License
|
||||
* 2.0). The text of the MPL 2.0 license is included below and can be
|
||||
* found at https://www.mozilla.org/MPL/2.0/
|
||||
*/
|
||||
|
||||
static int read_LEB(FILE *const f, const unsigned maxbits,
|
||||
const bool sign, unsigned long long *const out)
|
||||
{
|
||||
unsigned long long result = 0;
|
||||
unsigned shift = 0, bcnt = 0;
|
||||
uint8_t byte;
|
||||
|
||||
for (;;)
|
||||
{
|
||||
if (!fread(&byte, sizeof byte, 1, f))
|
||||
return -1;
|
||||
|
||||
result |= (unsigned long long)(byte & 0x7f) << shift;
|
||||
shift += 7;
|
||||
|
||||
if (!(byte & 0x80))
|
||||
break;
|
||||
else if (++bcnt > (maxbits + 7 - 1) / 7)
|
||||
{
|
||||
LOG("%s: overflow\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if (sign && (shift < maxbits) && (byte & 0x40))
|
||||
result |= -1ll << shift;
|
||||
|
||||
*out = result;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int leb128_read_unsigned(FILE *const f, const unsigned maxbits,
|
||||
unsigned long long *const out)
|
||||
{
|
||||
return read_LEB(f, maxbits, false, out);
|
||||
}
|
||||
|
||||
int leb128_read_signed(FILE *const f, const unsigned maxbits,
|
||||
long long *const out)
|
||||
{
|
||||
unsigned long long value;
|
||||
const int ret = read_LEB(f, maxbits, true, &value);
|
||||
|
||||
*out = value;
|
||||
return ret;
|
||||
}
|
|
@ -0,0 +1,179 @@
|
|||
#include <log.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <sections.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check_magic(FILE *const f)
|
||||
{
|
||||
static const uint8_t m[] = {'\0', 'a', 's', 'm'};
|
||||
uint8_t magic[sizeof m];
|
||||
|
||||
if (!fread(magic, sizeof magic, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
else if (memcmp(magic, m, sizeof magic))
|
||||
{
|
||||
LOG("%s: wrong magic bytes\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_version(FILE *const f)
|
||||
{
|
||||
static const uint8_t v[] = {1, 0, 0, 0};
|
||||
uint8_t version[sizeof v];
|
||||
|
||||
if (!fread(version, sizeof version, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n", __func__, feof(f),
|
||||
ferror(f));
|
||||
return -1;
|
||||
}
|
||||
else if (memcmp(version, v, sizeof version))
|
||||
{
|
||||
LOG("%s: wrong version\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int load_section(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f)
|
||||
{
|
||||
enum
|
||||
{
|
||||
CUSTOM,
|
||||
TYPE,
|
||||
IMPORT,
|
||||
FUNCTION,
|
||||
TABLE,
|
||||
MEMORY,
|
||||
GLOBAL,
|
||||
EXPORT,
|
||||
START,
|
||||
ELEMENT,
|
||||
CODE,
|
||||
DATA
|
||||
};
|
||||
|
||||
static int (*const fn[])(const struct nw_mod_cfg *, struct nw_mod *,
|
||||
FILE *, unsigned long) =
|
||||
{
|
||||
[CUSTOM] = section_custom,
|
||||
[TYPE] = section_type,
|
||||
[IMPORT] = section_import,
|
||||
[FUNCTION] = section_function,
|
||||
[TABLE] = section_table,
|
||||
[MEMORY] = section_memory,
|
||||
[GLOBAL] = section_global,
|
||||
[EXPORT] = section_export,
|
||||
[START] = section_start,
|
||||
[ELEMENT] = section_element,
|
||||
[CODE] = section_code,
|
||||
[DATA] = section_data
|
||||
};
|
||||
|
||||
varuint7 section;
|
||||
varuint32 len;
|
||||
int ret;
|
||||
|
||||
if (varuint7_read(f, §ion))
|
||||
{
|
||||
if (feof(f))
|
||||
return 0;
|
||||
|
||||
LOG("%s: varuint7_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if (section >= sizeof fn / sizeof *fn)
|
||||
{
|
||||
LOG("%s: invalid section %u\n", __func__, (unsigned)section);
|
||||
return 1;
|
||||
}
|
||||
else if (varuint32_read(f, &len))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if ((ret = fn[section](cfg, m, f, len)))
|
||||
LOG("%s: failed to load section %u\n", __func__, (unsigned)section);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int load_sections(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f)
|
||||
{
|
||||
while (!feof(f))
|
||||
if (load_section(cfg, m, f))
|
||||
{
|
||||
LOG("%s: load_section failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int load(const struct nw_mod_cfg *const cfg, struct nw_mod *const m,
|
||||
FILE *const f)
|
||||
{
|
||||
if (check_magic(f))
|
||||
{
|
||||
LOG("%s: load_magic failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (check_version(f))
|
||||
{
|
||||
LOG("%s: check_version failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (load_sections(cfg, m, f))
|
||||
{
|
||||
LOG("%s: load_sections failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int nw_load(const struct nw_mod_cfg *const cfg, struct nw_mod *const m)
|
||||
{
|
||||
int ret = -1;
|
||||
FILE *const f = fopen(cfg->path, "rb");
|
||||
|
||||
*m = (const struct nw_mod){.cfg = *cfg};
|
||||
|
||||
if (!f)
|
||||
{
|
||||
LOG("%s: fopen(3) %s: %s\n", __func__, cfg->path, strerror(errno));
|
||||
goto end;
|
||||
}
|
||||
else if (load(cfg, m, f))
|
||||
{
|
||||
LOG("%s: load failed\n", __func__);
|
||||
goto end;
|
||||
}
|
||||
|
||||
ret = 0;
|
||||
|
||||
end:
|
||||
if (f && fclose(f))
|
||||
{
|
||||
LOG("%s: fclose(3) %s: %s\n", __func__, cfg->path, strerror(errno));
|
||||
ret = -1;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
|
@ -0,0 +1,6 @@
|
|||
add_subdirectory(call)
|
||||
add_subdirectory(constants)
|
||||
add_subdirectory(control_flow)
|
||||
add_subdirectory(memory)
|
||||
add_subdirectory(numeric)
|
||||
add_subdirectory(variable_access)
|
|
@ -0,0 +1,4 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
call.c
|
||||
call_indirect.c
|
||||
)
|
|
@ -0,0 +1,28 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 function_index;
|
||||
|
||||
if (varuint32_read(f, &function_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_call(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_call(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,40 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 type_index;
|
||||
varuint1 reserved;
|
||||
|
||||
if (varuint32_read(f, &type_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if (varuint1_read(f, &reserved))
|
||||
{
|
||||
LOG("%s: varuint1_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if (reserved)
|
||||
{
|
||||
LOG("%s: unexpected non-zero reserved value %u\n",
|
||||
__func__, (unsigned)reserved);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_call_indirect(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_call_indirect(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,6 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
f32_const.c
|
||||
f64_const.c
|
||||
i32_const.c
|
||||
i64_const.c
|
||||
)
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 value;
|
||||
|
||||
if (varuint32_read(f, &value))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_f32_const(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_f32_const(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint64 value;
|
||||
|
||||
if (varuint64_read(f, &value))
|
||||
{
|
||||
LOG("%s: varuint64_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_f64_const(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_f64_const(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint32 value;
|
||||
|
||||
if (varint32_read(f, &value))
|
||||
{
|
||||
LOG("%s: varint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_i32_const(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_i32_const(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint64 value;
|
||||
|
||||
if (varint64_read(f, &value))
|
||||
{
|
||||
LOG("%s: varint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_i64_const(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_i64_const(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,13 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
block.c
|
||||
br.c
|
||||
br_if.c
|
||||
br_table.c
|
||||
else.c
|
||||
end.c
|
||||
if.c
|
||||
loop.c
|
||||
nop.c
|
||||
return.c
|
||||
unreachable.c
|
||||
)
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint7 sig;
|
||||
|
||||
if (varint7_read(f, &sig))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_block(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_block(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 relative_depth;
|
||||
|
||||
if (varuint32_read(f, &relative_depth))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_br(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_br(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 relative_depth;
|
||||
|
||||
if (varuint32_read(f, &relative_depth))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_br_if(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_br_if(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,47 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 target_count, default_target;
|
||||
|
||||
if (varuint32_read(f, &target_count))
|
||||
{
|
||||
LOG("%s: varuint32_read target_count failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < target_count; i++)
|
||||
{
|
||||
varuint32 target_table;
|
||||
|
||||
if (varuint32_read(f, &target_table))
|
||||
{
|
||||
LOG("%s: varuint32_read target_table failed\n",
|
||||
__func__);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if (varuint32_read(f, &default_target))
|
||||
{
|
||||
LOG("%s: varuint32_read default_target failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_br_table(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_br_table(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,12 @@
|
|||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
|
||||
int op_else(struct nw_interp *const i)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int check_else(FILE *const f)
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,14 @@
|
|||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
int op_end(struct nw_interp *const i)
|
||||
{
|
||||
i->exit = true;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int check_end(FILE *const f)
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,27 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint7 sig;
|
||||
|
||||
if (varint7_read(f, &sig))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_if(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_if(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,27 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint7 sig;
|
||||
|
||||
if (varint7_read(f, &sig))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_loop(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_loop(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,13 @@
|
|||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <interp.h>
|
||||
|
||||
int op_nop(struct nw_interp *const i)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int check_nop(FILE *const f)
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,13 @@
|
|||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int op_return(struct nw_interp *const i)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int check_return(FILE *const f)
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,16 @@
|
|||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int op_unreachable(struct nw_interp *const i)
|
||||
{
|
||||
i->exception = "Unreachable instruction";
|
||||
i->exit = true;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int check_unreachable(FILE *const f)
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,5 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
current_memory.c
|
||||
i32_load.c
|
||||
i32_store.c
|
||||
)
|
|
@ -0,0 +1,35 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint1 reserved;
|
||||
|
||||
if (varuint1_read(f, &reserved))
|
||||
{
|
||||
LOG("%s: varuint1_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if (reserved)
|
||||
{
|
||||
LOG("%s: unexpected non-zero reserved value %u\n",
|
||||
__func__, (unsigned)reserved);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_current_memory(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_current_memory(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,34 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint32 flags, offset;
|
||||
|
||||
if (varint32_read(f, &flags))
|
||||
{
|
||||
LOG("%s: varint32_read flags failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if (varint32_read(f, &offset))
|
||||
{
|
||||
LOG("%s: varint32_read offset failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_i32_load(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_i32_load(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,34 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varint32 flags, offset;
|
||||
|
||||
if (varint32_read(f, &flags))
|
||||
{
|
||||
LOG("%s: varint32_read flags failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
else if (varint32_read(f, &offset))
|
||||
{
|
||||
LOG("%s: varint32_read offset failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_i32_store(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_i32_store(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,3 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
i32_sub.c
|
||||
)
|
|
@ -0,0 +1,16 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int op_i32_sub(struct nw_interp *const i)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int check_i32_sub(FILE *const f)
|
||||
{
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,7 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
get_global.c
|
||||
get_local.c
|
||||
set_global.c
|
||||
set_local.c
|
||||
tee_local.c
|
||||
)
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 global_index;
|
||||
|
||||
if (varuint32_read(f, &global_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_get_global(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_get_global(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 local_index;
|
||||
|
||||
if (varuint32_read(f, &local_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_get_local(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_get_local(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 global_index;
|
||||
|
||||
if (varuint32_read(f, &global_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_set_global(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_set_global(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 local_index;
|
||||
|
||||
if (varuint32_read(f, &local_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_set_local(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_set_local(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
#include <log.h>
|
||||
#include <ops.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
|
||||
static int op(struct nw_interp *const i, FILE *const f)
|
||||
{
|
||||
varuint32 local_index;
|
||||
|
||||
if (varuint32_read(f, &local_index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int op_tee_local(struct nw_interp *const i)
|
||||
{
|
||||
return op(i, i->f);
|
||||
}
|
||||
|
||||
int check_tee_local(FILE *const f)
|
||||
{
|
||||
return op(NULL, f);
|
||||
}
|
|
@ -0,0 +1,11 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <log.h>
|
||||
#include <search.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
enum nw_state nw_run(struct nw_inst *const i)
|
||||
{
|
||||
return NW_STATE_AGAIN;
|
||||
}
|
|
@ -0,0 +1,109 @@
|
|||
#include <search.h>
|
||||
#include <log.h>
|
||||
#include <fstring.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
static int ensure_export(const char *const fn,
|
||||
const struct nw_mod *const m, FILE *const f, varuint32 *const out)
|
||||
{
|
||||
if (!m->sections.export)
|
||||
{
|
||||
LOG("%s: export section not found", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (fseek(f, m->sections.export, SEEK_SET))
|
||||
{
|
||||
LOG("%s: fseek(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
{
|
||||
varuint32 len;
|
||||
bool found = false;
|
||||
|
||||
if (varuint32_read(f, &len))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (!fstrcmp(fn, f, false))
|
||||
found = true;
|
||||
|
||||
uint8_t kind;
|
||||
|
||||
if (!fread(&kind, sizeof kind, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed: feof=%d, ferror=%d\n", __func__,
|
||||
feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint32 index;
|
||||
|
||||
if (varuint32_read(f, &index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (found)
|
||||
{
|
||||
if (kind != NW_KIND_FUNCTION)
|
||||
{
|
||||
LOG("%s: expected kind %d, got %d\n", __func__,
|
||||
NW_KIND_FUNCTION, kind);
|
||||
return -1;
|
||||
}
|
||||
|
||||
*out = index;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int get_fn_start(const char *const fn, const struct nw_mod *const m,
|
||||
FILE *const f, const varuint32 index, struct search_fn *const out)
|
||||
{
|
||||
if (!m->sections.function)
|
||||
{
|
||||
LOG("%s: function section not found", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
LOG("%s: index=%ju\n", __func__, (uintmax_t)index);
|
||||
return -1;
|
||||
}
|
||||
|
||||
int search_exported_fn(const char *const fn, const struct nw_mod *const m,
|
||||
FILE *const f, struct search_fn *const out)
|
||||
{
|
||||
varuint32 index;
|
||||
|
||||
if (ensure_export(fn, m, f, &index))
|
||||
{
|
||||
LOG("%s: %s not an exported function\n", __func__, fn);
|
||||
return -1;
|
||||
}
|
||||
else if (get_fn_start(fn, m, f, index, out))
|
||||
{
|
||||
LOG("%s: get_fn_start %s failed\n", __func__, fn);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,15 @@
|
|||
target_sources(${PROJECT_NAME} PRIVATE
|
||||
code.c
|
||||
common.c
|
||||
custom.c
|
||||
data.c
|
||||
element.c
|
||||
export.c
|
||||
function.c
|
||||
global.c
|
||||
import.c
|
||||
memory.c
|
||||
start.c
|
||||
table.c
|
||||
type.c
|
||||
)
|
|
@ -0,0 +1,236 @@
|
|||
#include <log.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <opcodes.h>
|
||||
#include <interp.h>
|
||||
#include <sections.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <inttypes.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check_body(FILE *const f, const unsigned long n)
|
||||
{
|
||||
unsigned long rem = n;
|
||||
|
||||
while (rem)
|
||||
{
|
||||
const long before = ftell(f);
|
||||
uint8_t byte;
|
||||
|
||||
if (before < 0)
|
||||
{
|
||||
LOG("%s: ftell(3) before: %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (!fread(&byte, sizeof byte, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
else if (rem == 1 && byte != OP_END)
|
||||
{
|
||||
LOG("%s: unexpected opcode %#" PRIx8 " at body end\n",
|
||||
__func__, byte);
|
||||
return -1;
|
||||
}
|
||||
else if (interp_check_opcode(byte, f))
|
||||
{
|
||||
LOG("%s: interp_check_opcode failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long after = ftell(f);
|
||||
|
||||
if (after < 0)
|
||||
{
|
||||
LOG("%s: ftell(3) after: %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
rem -= after - before;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_type(FILE *const f)
|
||||
{
|
||||
varint7 type;
|
||||
|
||||
if (varint7_read(f, &type))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_local(FILE *const f)
|
||||
{
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (check_type(f))
|
||||
{
|
||||
LOG("%s: check_type failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_locals(FILE *const f)
|
||||
{
|
||||
varuint32 local_count;
|
||||
|
||||
if (varuint32_read(f, &local_count))
|
||||
{
|
||||
LOG("%s: varuint32_read local_count failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < local_count; i++)
|
||||
if (check_local(f))
|
||||
{
|
||||
LOG("%s: check_local failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_function_body(FILE *const f)
|
||||
{
|
||||
varuint32 body_size;
|
||||
|
||||
if (varuint32_read(f, &body_size))
|
||||
{
|
||||
LOG("%s: varuint32_read body_size failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long start = ftell(f);
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3) start: %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check_locals(f))
|
||||
{
|
||||
LOG("%s: check_locals failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3) end: %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long consumed = end - start;
|
||||
|
||||
if (consumed > body_size)
|
||||
{
|
||||
LOG("%s: exceeded function body size\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (check_body(f, body_size - consumed))
|
||||
{
|
||||
LOG("%s: check_body failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* TODO: add function body pointers to struct nanowasm. */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_function_bodies(FILE *const f)
|
||||
{
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
if (check_function_body(f))
|
||||
{
|
||||
LOG("%s: check_function_body failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check_function_bodies(f))
|
||||
{
|
||||
LOG("%s: check_function_bodies failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_code(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.code)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.code = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,36 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
int check_resizable_limits(FILE *const f)
|
||||
{
|
||||
varuint1 flags;
|
||||
varuint32 initial;
|
||||
|
||||
if (varuint1_read(f, &flags))
|
||||
{
|
||||
LOG("%s: varuint1_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (varuint32_read(f, &initial))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (flags)
|
||||
{
|
||||
varuint32 maximum;
|
||||
|
||||
if (varuint32_read(f, &maximum))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,19 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
int section_custom(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (fseek(f, len, SEEK_CUR))
|
||||
{
|
||||
LOG("%s: fseek(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,9 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <sections.h>
|
||||
#include <wasm_types.h>
|
||||
|
||||
int section_data(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
return -1;
|
||||
}
|
|
@ -0,0 +1,8 @@
|
|||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
|
||||
int section_element(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
return -1;
|
||||
}
|
|
@ -0,0 +1,150 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check_string(FILE *const f)
|
||||
{
|
||||
varuint32 len;
|
||||
|
||||
if (varuint32_read(f, &len))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < len; i++)
|
||||
{
|
||||
uint8_t byte;
|
||||
|
||||
if (!fread(&byte, sizeof byte, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_kind(FILE *const f)
|
||||
{
|
||||
uint8_t kind;
|
||||
|
||||
if (!fread(&kind, sizeof kind, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed: feof=%d, ferror=%d\n", __func__,
|
||||
feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_index(FILE *const f)
|
||||
{
|
||||
varuint32 index;
|
||||
|
||||
if (varuint32_read(f, &index))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_export_entry(FILE *const f)
|
||||
{
|
||||
if (check_string(f))
|
||||
{
|
||||
LOG("%s: check_string failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (check_kind(f))
|
||||
{
|
||||
LOG("%s: check_kind failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (check_index(f))
|
||||
{
|
||||
LOG("%s: check_index failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
varuint32 count;
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
if (check_export_entry(f))
|
||||
{
|
||||
LOG("%s: check_export_entry failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_export(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.export)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.export = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,82 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read count failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
{
|
||||
varuint32 type;
|
||||
|
||||
if (varuint32_read(f, &type))
|
||||
{
|
||||
LOG("%s: varuint32_read type failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_function(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.function)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.function = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,98 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <interp.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
struct global_type
|
||||
{
|
||||
varint7 value_type;
|
||||
varuint1 mutability;
|
||||
};
|
||||
|
||||
static int check_global_type(FILE *const f, struct global_type *const g)
|
||||
{
|
||||
if (varint7_read(f, &g->value_type))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (varuint1_read(f, &g->mutability))
|
||||
{
|
||||
LOG("%s: varuint1_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
struct global_type g;
|
||||
const long start = ftell(f);
|
||||
struct nw_interp i = {.f = f};
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check_global_type(f, &g))
|
||||
{
|
||||
LOG("%s: check_global_type\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (interp_run_limited(&i, &interp_initexpr_set))
|
||||
{
|
||||
LOG("%s: interp_run failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_global(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.global)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.global = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,262 @@
|
|||
#include <sections.h>
|
||||
#include <fstring.h>
|
||||
#include <log.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <inttypes.h>
|
||||
#include <stdbool.h>
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
static int dump_import_name(FILE *const f, const varuint32 len)
|
||||
{
|
||||
for (varuint32 i = 0; i < len; i++)
|
||||
{
|
||||
uint8_t byte;
|
||||
|
||||
if (!fread(&byte, sizeof byte, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
|
||||
LOG("%c", (char)byte);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_module_string(const struct nw_mod_cfg *const cfg,
|
||||
FILE *const f)
|
||||
{
|
||||
varuint32 len;
|
||||
|
||||
if (varuint32_read(f, &len))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < cfg->n_imports; i++)
|
||||
{
|
||||
const struct nw_import *const im = &cfg->imports[i];
|
||||
const char *const mod = im->module;
|
||||
|
||||
if (strlen(mod) == len)
|
||||
{
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (!fstrcmp(mod, f, true))
|
||||
return 0;
|
||||
else if (fseek(f, offset, SEEK_SET))
|
||||
{
|
||||
LOG("%s: fseek(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
LOG("%s: required imported module ", __func__);
|
||||
dump_import_name(f, len);
|
||||
LOG(" not found\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int check_field_string(const struct nw_mod_cfg *const cfg,
|
||||
FILE *const f)
|
||||
{
|
||||
varuint32 len;
|
||||
|
||||
if (varuint32_read(f, &len))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < cfg->n_imports; i++)
|
||||
{
|
||||
const struct nw_import *const im = &cfg->imports[i];
|
||||
const char *const field = im->field;
|
||||
|
||||
if (strlen(field) == len)
|
||||
{
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (!fstrcmp(field, f, true))
|
||||
return 0;
|
||||
else if (fseek(f, offset, SEEK_SET))
|
||||
{
|
||||
LOG("%s: fseek(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
LOG("%s: required imported field ", __func__);
|
||||
dump_import_name(f, len);
|
||||
LOG(" not found\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int check_function_kind(FILE *const f)
|
||||
{
|
||||
varuint32 type;
|
||||
|
||||
if (varuint32_read(f, &type))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_table_kind(FILE *const f)
|
||||
{
|
||||
varint7 type;
|
||||
|
||||
if (varint7_read(f, &type))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_memory_kind(FILE *const f)
|
||||
{
|
||||
/* TODO. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int check_global_kind(FILE *const f)
|
||||
{
|
||||
/* TODO. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int check_import_entry(const struct nw_mod_cfg *const cfg,
|
||||
FILE *const f)
|
||||
{
|
||||
if (check_module_string(cfg, f))
|
||||
{
|
||||
LOG("%s: check_module_string failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (check_field_string(cfg, f))
|
||||
{
|
||||
LOG("%s: check_field_string failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
uint8_t kind;
|
||||
|
||||
if (!fread(&kind, sizeof kind, 1, f))
|
||||
{
|
||||
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
|
||||
__func__, feof(f), ferror(f));
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int (*const fn[])(FILE *) =
|
||||
{
|
||||
[NW_KIND_FUNCTION] = check_function_kind,
|
||||
[NW_KIND_TABLE] = check_table_kind,
|
||||
[NW_KIND_MEMORY] = check_memory_kind,
|
||||
[NW_KIND_GLOBAL] = check_global_kind
|
||||
};
|
||||
|
||||
if (kind >= sizeof fn / sizeof *fn)
|
||||
{
|
||||
LOG("%s: unexpected kind %#" PRIx8 "\n", __func__, kind);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return fn[kind](f);
|
||||
}
|
||||
|
||||
static int check(const struct nw_mod_cfg *const cfg, FILE *const f,
|
||||
const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
if (check_import_entry(cfg, f))
|
||||
{
|
||||
LOG("%s: check_import_entry failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_import(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.import)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(cfg, f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.import = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,83 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check_memory_type(FILE *const f)
|
||||
{
|
||||
return check_resizable_limits(f);
|
||||
}
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
if (check_memory_type(f))
|
||||
{
|
||||
LOG("%s: check_memory_type failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_memory(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.memory)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.memory = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,9 @@
|
|||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
|
||||
int section_start(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
return -1;
|
||||
}
|
|
@ -0,0 +1,98 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check_table_type(FILE *const f)
|
||||
{
|
||||
enum {ANYFUNC = 0x70};
|
||||
varint7 elem_type;
|
||||
|
||||
if (varint7_read(f, &elem_type))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (elem_type != ANYFUNC)
|
||||
{
|
||||
LOG("%s: expected %x, got %x", __func__, ANYFUNC,
|
||||
(int)elem_type);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return check_resizable_limits(f);
|
||||
}
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint32 count;
|
||||
|
||||
if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
if (check_table_type(f))
|
||||
{
|
||||
LOG("%s: check_table_type failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_table(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.table)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.table = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,128 @@
|
|||
#include <log.h>
|
||||
#include <sections.h>
|
||||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
static int check_value_type(FILE *const f)
|
||||
{
|
||||
varint7 value_type;
|
||||
|
||||
if (varint7_read(f, &value_type))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_func_type(FILE *const f)
|
||||
{
|
||||
varint7 form;
|
||||
varuint32 param_count;
|
||||
|
||||
if (varint7_read(f, &form))
|
||||
{
|
||||
LOG("%s: varint7_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (varuint32_read(f, ¶m_count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < param_count; i++)
|
||||
if (check_value_type(f))
|
||||
{
|
||||
LOG("%s: check_value_type failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
varuint1 return_count;
|
||||
|
||||
if (varuint1_read(f, &return_count))
|
||||
{
|
||||
LOG("%s: varuint1_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
else if (return_count && check_value_type(f))
|
||||
{
|
||||
LOG("%s: check_value_type 2 failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check(FILE *const f, const unsigned long len)
|
||||
{
|
||||
const long start = ftell(f);
|
||||
varuint32 count;
|
||||
|
||||
if (start < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (varuint32_read(f, &count))
|
||||
{
|
||||
LOG("%s: varuint32_read failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (varuint32 i = 0; i < count; i++)
|
||||
if (check_func_type(f))
|
||||
{
|
||||
LOG("%s: check_func_type failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
const long end = ftell(f);
|
||||
|
||||
if (end < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
const unsigned long size = end - start;
|
||||
|
||||
if (size != len)
|
||||
{
|
||||
LOG("%s: size exceeded (%lu expected, got %lu)\n",
|
||||
__func__, len, size);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int section_type(const struct nw_mod_cfg *const cfg,
|
||||
struct nw_mod *const m, FILE *const f, const unsigned long len)
|
||||
{
|
||||
if (m->sections.type)
|
||||
{
|
||||
LOG("%s: ignoring duplicate section\n", __func__);
|
||||
return fseek(f, len, SEEK_CUR);
|
||||
}
|
||||
|
||||
const long offset = ftell(f);
|
||||
|
||||
if (offset < 0)
|
||||
{
|
||||
LOG("%s: ftell(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
else if (check(f, len))
|
||||
{
|
||||
LOG("%s: check failed\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
m->sections.type = offset;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,55 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <interp.h>
|
||||
#include <log.h>
|
||||
#include <search.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
int nw_start(const struct nw_inst_cfg *const icfg, struct nw_inst *const i)
|
||||
{
|
||||
int ret = -1;
|
||||
const struct nw_mod *const m = icfg->m;
|
||||
const struct nw_mod_cfg *const mcfg = &m->cfg;
|
||||
FILE *const f = fopen(mcfg->path, "rb");
|
||||
struct search_fn fn;
|
||||
|
||||
if (!f)
|
||||
{
|
||||
LOG("%s: fopen(3) %s: %s\n", __func__, mcfg->path, strerror(errno));
|
||||
goto end;
|
||||
}
|
||||
else if (m->sections.start)
|
||||
{
|
||||
/* TODO. */
|
||||
}
|
||||
else if (search_exported_fn("_start", m, f, &fn))
|
||||
{
|
||||
LOG("%s: search_exported_fn failed\n", __func__);
|
||||
goto end;
|
||||
}
|
||||
else if (fseek(f, fn.start, SEEK_SET))
|
||||
{
|
||||
LOG("%s: fseek(3): %s\n", __func__, strerror(errno));
|
||||
goto end;
|
||||
}
|
||||
|
||||
*i = (const struct nw_inst){.m = m};
|
||||
|
||||
if (interp_start(&icfg->interp, &i->interp))
|
||||
{
|
||||
fprintf(stderr, "%s: interp_start failed\n", __func__);
|
||||
goto end;
|
||||
}
|
||||
|
||||
ret = 0;
|
||||
|
||||
end:
|
||||
if (ret && f && fclose(f))
|
||||
{
|
||||
LOG("%s: fclose(3) %s: %s\n", __func__, mcfg->path, strerror(errno));
|
||||
ret = -1;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
|
@ -0,0 +1,18 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <log.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
int nw_stop(struct nw_inst *const i)
|
||||
{
|
||||
struct nw_interp *const in = &i->interp;
|
||||
|
||||
if (i && in->f && fclose(in->f))
|
||||
{
|
||||
LOG("%s: fclose(3): %s\n", __func__, strerror(errno));
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,80 @@
|
|||
#include <leb128.h>
|
||||
#include <wasm_types.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int varuint1_read(FILE *const f, varuint1 *const out)
|
||||
{
|
||||
unsigned long long value;
|
||||
|
||||
if (leb128_read_unsigned(f, 1, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int varint7_read(FILE *const f, varint7 *const out)
|
||||
{
|
||||
long long value;
|
||||
|
||||
if (leb128_read_signed(f, 7, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int varuint7_read(FILE *const f, varuint7 *const out)
|
||||
{
|
||||
unsigned long long value;
|
||||
|
||||
if (leb128_read_unsigned(f, 7, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int varuint32_read(FILE *const f, varuint32 *out)
|
||||
{
|
||||
unsigned long long value;
|
||||
|
||||
if (leb128_read_unsigned(f, 32, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int varint32_read(FILE *const f, varint32 *const out)
|
||||
{
|
||||
long long value;
|
||||
|
||||
if (leb128_read_signed(f, 32, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int varuint64_read(FILE *const f, varuint64 *const out)
|
||||
{
|
||||
unsigned long long value;
|
||||
|
||||
if (leb128_read_unsigned(f, 64, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int varint64_read(FILE *const f, varint64 *const out)
|
||||
{
|
||||
long long value;
|
||||
|
||||
if (leb128_read_signed(f, 64, &value))
|
||||
return -1;
|
||||
|
||||
*out = value;
|
||||
return 0;
|
||||
}
|
|
@ -0,0 +1,10 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <wasm_types.h>
|
||||
#include <errno.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
void nw_unload(struct nw_mod *const m)
|
||||
{
|
||||
free(m);
|
||||
}
|
|
@ -0,0 +1,5 @@
|
|||
cmake_minimum_required(VERSION 3.13)
|
||||
project(test C)
|
||||
add_executable(${PROJECT_NAME} main.c)
|
||||
target_link_libraries(${PROJECT_NAME} PRIVATE nanowasm)
|
||||
target_link_options(${PROJECT_NAME} PRIVATE -Wl,--gc-sections)
|
Binary file not shown.
|
@ -0,0 +1,84 @@
|
|||
#include <nanowasm/nw.h>
|
||||
#include <stddef.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
static int proc_exit(const struct nw_args *const params,
|
||||
union nw_value *const ret, void *const user)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
static const struct nw_import imports[] =
|
||||
{
|
||||
{
|
||||
.kind = NW_KIND_FUNCTION,
|
||||
.module = "wasi_snapshot_preview1",
|
||||
.field = "proc_exit",
|
||||
.u.function =
|
||||
{
|
||||
.signature = "i32()",
|
||||
.fn = proc_exit
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
static const struct nw_mod_cfg cfg =
|
||||
{
|
||||
.path = "example.wasm",
|
||||
.imports = imports,
|
||||
.n_imports = sizeof imports / sizeof *imports
|
||||
};
|
||||
|
||||
struct nw_mod m;
|
||||
|
||||
if (nw_load(&cfg, &m))
|
||||
{
|
||||
fprintf(stderr, "%s: nw_load failed\n", __func__);
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
const struct nw_inst_cfg icfg =
|
||||
{
|
||||
.interp =
|
||||
{
|
||||
.args = NW_ARGS(8),
|
||||
.stack = NW_BUF(1024),
|
||||
.heap = NW_BUF(1024),
|
||||
},
|
||||
|
||||
.m = &m
|
||||
};
|
||||
|
||||
struct nw_inst inst;
|
||||
|
||||
if (nw_start(&icfg, &inst))
|
||||
{
|
||||
fprintf(stderr, "%s: nw_start failed\n", __func__);
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
const union nw_inst_state *s = &inst.state;
|
||||
|
||||
again:
|
||||
switch (nw_run(&inst))
|
||||
{
|
||||
case NW_STATE_AGAIN:
|
||||
goto again;
|
||||
|
||||
case NW_STATE_RETURNED:
|
||||
fprintf(stderr, "instance returned %d\n", s->retval);
|
||||
break;
|
||||
|
||||
case NW_STATE_EXCEPTION:
|
||||
fprintf(stderr, "exception: %s\n", s->exception);
|
||||
return EXIT_FAILURE;
|
||||
|
||||
case NW_STATE_FATAL:
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
Loading…
Reference in New Issue