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Re: [Minios-devel] [UNIKRAFT/ZLIB, v2, 1/1] Initial port of zlib to Unikraft



Hi Costin,

On 13.08.19, 16:41, "Costin Lupu" <costin.lup@xxxxxxxxx> wrote:

    Hi Felipe,
    
    Please see inline just one comment.
    
    On 8/13/19 4:19 PM, Felipe Huici wrote:
    > This is a port of zlib to Unikraft as an external library. It requires
    > libc, so in your application Makefile the library dependency list
    > should read:
    > 
    >       LIBS := ...:$(UK_LIBS)/newlib:$(UK_LIBS)/zlib:...
    > 
    > Signed-off-by: Felipe Huici <felipe.huici@xxxxxxxxx>
    > ---
    >  CODING_STYLE.md |  4 +++
    >  CONTRIBUTING.md |  4 +++
    >  COPYING.md      | 39 ++++++++++++++++++++++++++
    >  Config.uk       |  7 +++++
    >  MAINTAINERS.md  | 10 +++++++
    >  Makefile.uk     | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++
    >  README.md       |  9 ++++++
    >  exportsyms.uk   | 85 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    >  8 files changed, 235 insertions(+)
    >  create mode 100644 CODING_STYLE.md
    >  create mode 100644 CONTRIBUTING.md
    >  create mode 100644 COPYING.md
    >  create mode 100644 Config.uk
    >  create mode 100644 MAINTAINERS.md
    >  create mode 100644 Makefile.uk
    >  create mode 100644 README.md
    >  create mode 100644 exportsyms.uk
    > 
    > diff --git a/CODING_STYLE.md b/CODING_STYLE.md
    > new file mode 100644
    > index 0000000..5730041
    > --- /dev/null
    > +++ b/CODING_STYLE.md
    > @@ -0,0 +1,4 @@
    > +Coding Style
    > +============
    > +
    > +Please refer to the `CODING_STYLE.md` file in the main Unikraft 
repository.
    > diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
    > new file mode 100644
    > index 0000000..5f55eca
    > --- /dev/null
    > +++ b/CONTRIBUTING.md
    > @@ -0,0 +1,4 @@
    > +Contributing to Unikraft
    > +=======================
    > +
    > +Please refer to the `CONTRIBUTING.md` file in the main Unikraft 
repository.
    > diff --git a/COPYING.md b/COPYING.md
    > new file mode 100644
    > index 0000000..973051a
    > --- /dev/null
    > +++ b/COPYING.md
    > @@ -0,0 +1,39 @@
    > +License
    > +=======
    > +
    > +Unikraft zlib wrappers
    > +------------------------
    > +
    > +This repository contains wrapper code to build zlib with Unikraft.
    > +Each C code file in this repository should declare who is the
    > +copyright owner and under which terms and conditions the code is
    > +licensed. If such a licence note is missing, the following copyright
    > +notice will apply:
    > +
    > + Copyright (c) 2019, NEC Europe Ltd., NEC Corporation. All rights 
reserved.
    > +
    > + Redistribution and use in source and binary forms, with or without
    > + modification, are permitted provided that the following conditions
    > + are met:
    > +
    > + 1. Redistributions of source code must retain the above copyright
    > +    notice, this list of conditions and the following disclaimer.
    > + 2. Redistributions in binary form must reproduce the above copyright
    > +    notice, this list of conditions and the following disclaimer in the
    > +    documentation and/or other materials provided with the distribution.
    > + 3. Neither the name of the copyright holder nor the names of its
    > +    contributors may be used to endorse or promote products derived from
    > +    this software without specific prior written permission.
    > +
    > + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
IS"
    > + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE
    > + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE
    > + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 
BE
    > + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    > + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    > + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    > + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    > + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    > + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
THE
    > + POSSIBILITY OF SUCH DAMAGE.
    > +
    > diff --git a/Config.uk b/Config.uk
    > new file mode 100644
    > index 0000000..3734adb
    > --- /dev/null
    > +++ b/Config.uk
    > @@ -0,0 +1,7 @@
    > +config LIBZLIB
    > +    bool "zlib - a compression library"
    > +    default y
    > +    depends on HAVE_LIBC
    > +    select LIBVFSCORE
    > +    select LIBRAMFS
    > +    select LIBDEVFS
    > \ No newline at end of file
    > diff --git a/MAINTAINERS.md b/MAINTAINERS.md
    > new file mode 100644
    > index 0000000..5a4abc4
    > --- /dev/null
    > +++ b/MAINTAINERS.md
    > @@ -0,0 +1,10 @@
    > +Maintainers List
    > +================
    > +
    > +For notes on how to read this information, please refer to 
`MAINTAINERS.md` in
    > +the main Unikraft repository.
    > +
    > + LIBUUID-UNIKRAFT
    > + M:      Felipe Huici <felipe.huici@xxxxxxxxx>
    > + L:      minios-devel@xxxxxxxxxxxxx
    > + F: *
    > diff --git a/Makefile.uk b/Makefile.uk
    > new file mode 100644
    > index 0000000..d3b0d3e
    > --- /dev/null
    > +++ b/Makefile.uk
    > @@ -0,0 +1,77 @@
    > +#  libzlib Makefile.uk
    > +#
    > +#  Authors: Felipe Huici <felipe.huici@xxxxxxxxx>
    > +#
    > +#
    > +#  Copyright (c) 2019, NEC Europe Ltd., NEC Corporation. All rights 
reserved.
    > +#
    > +#  Redistribution and use in source and binary forms, with or without
    > +#  modification, are permitted provided that the following conditions
    > +#  are met:
    > +#
    > +#  1. Redistributions of source code must retain the above copyright
    > +#     notice, this list of conditions and the following disclaimer.
    > +#  2. Redistributions in binary form must reproduce the above copyright
    > +#     notice, this list of conditions and the following disclaimer in the
    > +#     documentation and/or other materials provided with the 
distribution.
    > +#  3. Neither the name of the copyright holder nor the names of its
    > +#     contributors may be used to endorse or promote products derived 
from
    > +#     this software without specific prior written permission.
    > +#
    > +#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
"AS IS"
    > +#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE
    > +#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE
    > +#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
CONTRIBUTORS BE
    > +#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    > +#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    > +#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
BUSINESS
    > +#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
IN
    > +#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
OTHERWISE)
    > +#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
OF THE
    > +#  POSSIBILITY OF SUCH DAMAGE.
    > +#
    > +#  THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
    > +#
    > +
    > 
+################################################################################
    > +# Library registration
    > 
+################################################################################
    > +$(eval $(call addlib_s,libzlib,$(CONFIG_LIBZLIB)))
    > +
    > 
+################################################################################
    > +# Sources
    > 
+################################################################################
    > +LIBZLIB_VERSION=1.2.11
    > +LIBZLIB_URL=http://www.zlib.net/zlib-$(LIBZLIB_VERSION).tar.gz
    > +LIBZLIB_DIR=zlib-$(LIBZLIB_VERSION)
    > +
    > +$(eval $(call fetch,libzlib,$(LIBZLIB_URL),$(LIBZLIB_VERSION).tar.gz))
    > +
    > 
+################################################################################
    > +# Helpers
    > 
+################################################################################
    > +LIBZLIB=$(LIBZLIB_ORIGIN)/$(LIBZLIB_DIR)
    > +
    > 
+################################################################################
    > +# Library includes
    > 
+################################################################################
    > +CINCLUDES-$(CONFIG_LIBZLIB) += -I$(LIBZLIB)    
    
    The zlib API may be used by C++ code as well. So because of that, please
    also add:
    CXXINCLUDES-$(CONFIG_LIBZLIB) += -I$(LIBZLIB)

> Ok, I'll add this.

Thanks,

-- Felipe
    
    > +
    > 
+################################################################################
    > +# Sources
    > 
+################################################################################
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/inflate.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/gzclose.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/zutil.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/crc32.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/uncompr.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/gzread.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/trees.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/gzlib.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/infback.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/gzwrite.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/compress.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/inftrees.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/deflate.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/adler32.c
    > +LIBZLIB_SRCS-y += $(LIBZLIB)/inffast.c
    > diff --git a/README.md b/README.md
    > new file mode 100644
    > index 0000000..d1160cd
    > --- /dev/null
    > +++ b/README.md
    > @@ -0,0 +1,9 @@
    > +libzlib for Unikraft
    > +===================
    > +This is a port of zlib to Unikraft. It requires newlib, so in your
    > +application Makefile the library dependency list should read:
    > +
    > + LIBS := ...:$(UK_LIBS)/newlib:$(UK_LIBS)/zlib:...
    > +
    > +Please refer to the `README.md` as well as the documentation in the 
`doc/`
    > +subdirectory of the main unikraft repository for further information.
    > diff --git a/exportsyms.uk b/exportsyms.uk
    > new file mode 100644
    > index 0000000..2f5aaef
    > --- /dev/null
    > +++ b/exportsyms.uk
    > @@ -0,0 +1,85 @@
    > +adler32
    > +adler32_combine
    > +adler32_combine64
    > +adler32_z
    > +compress
    > +compress2
    > +compressBound
    > +crc32
    > +crc32_combine
    > +crc32_combine64
    > +crc32_z
    > +deflate
    > +deflateBound
    > +deflateCopy
    > +deflateEnd
    > +deflateGetDictionary
    > +deflateInit
    > +deflateInit2
    > +deflateParams
    > +deflatePending
    > +deflatePrime
    > +deflateReset
    > +deflateResetKeep
    > +deflateSetDictionary
    > +deflateSetHeader
    > +deflateTune
    > +get_crc_table
    > +gzbuffer
    > +gzclearerr
    > +gzclose
    > +gzclose_r
    > +gzclose_w
    > +gzdirect
    > +gzdopen
    > +gzeof
    > +gzerror
    > +gzflush
    > +gzfread
    > +gzfwrite
    > +gzgetc
    > +gzgets
    > +gzoffset
    > +gzoffset64
    > +gzopen
    > +gzopen64
    > +gzopen_w
    > +gzprintf
    > +gzputc
    > +gzputs
    > +gzread
    > +gzrewind
    > +gzseek
    > +gzseek64
    > +gzsetparams
    > +gztell
    > +gztell64
    > +gzungetc
    > +gzvprintf
    > +gzwrite
    > +inflate
    > +inflateBack
    > +inflateBackEnd
    > +inflateBackInit
    > +inflateCodesUsed
    > +inflateCopy
    > +inflateEnd
    > +inflateGetDictionary
    > +inflateGetHeader
    > +inflateInit
    > +inflateInit2
    > +inflateMark
    > +inflatePrime
    > +inflateReset
    > +inflateReset2
    > +inflateResetKeep
    > +inflateSetDictionary
    > +inflateSync
    > +inflateSyncPoint
    > +inflateUndermine
    > +inflateValidate
    > +uncompress
    > +uncompress2
    > +zError
    > +zlibCompileFlags
    > +zlibVersion
    > 
    

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