tweag/asterius
1
1
Fork 0
mirror of https://github.com/tweag/asterius.git synced 2024-09-11 08:55:32 +03:00
Code Issues Projects Releases Wiki Activity

Remove hashable shims

Browse Source
This commit is contained in:
Cheng Shao 2020-10-17 14:19:28 +00:00
parent ad42769975
commit 09e9a9f829
6 changed files with 179 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
asterius/libc/fnv.c Normal file
View File

@ -0,0 +1,54 @@
/*
Copyright Johan Tibell 2011
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* 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.
* Neither the name of Johan Tibell nor the names of other
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
OWNER 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.
*/
/* FNV-1 hash
*
* The FNV-1 hash description: http://isthe.com/chongo/tech/comp/fnv/
* The FNV-1 hash is public domain: http://isthe.com/chongo/tech/comp/fnv/#public_domain
*/
long hashable_fnv_hash(const unsigned char* str, long len, long salt) {
unsigned long hash = salt;
while (len--) {
hash = (hash * 16777619) ^ *str++;
}
return hash;
}
/* Used for ByteArray#s. We can't treat them like pointers in
native Haskell, but we can in unsafe FFI calls.
*/
long hashable_fnv_hash_offset(const unsigned char* str, long offset, long len, long salt) {
return hashable_fnv_hash(str + offset, len, salt);
}

93
asterius/libc/getRandomBytes.c Normal file
View File

@ -0,0 +1,93 @@
/*
Copyright Bryan O'Sullivan 2012
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* 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.
* Neither the name of Johan Tibell nor the names of other
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
OWNER 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.
*/
#include "MachDeps.h"
int hashable_getRandomBytes(unsigned char *dest, int nbytes);
#if defined(mingw32_HOST_OS) || defined(__MINGW32__)
#include <windows.h>
#include <wincrypt.h>
int hashable_getRandomBytes(unsigned char *dest, int nbytes)
{
HCRYPTPROV hCryptProv;
int ret;
if (!CryptAcquireContextA(&hCryptProv, NULL, NULL, PROV_RSA_FULL,
CRYPT_VERIFYCONTEXT))
return -1;
ret = CryptGenRandom(hCryptProv, (DWORD) nbytes, (BYTE *) dest) ? nbytes : -1;
CryptReleaseContext(hCryptProv, 0);
bail:
return ret;
}
#else
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
/* Assumptions: /dev/urandom exists and does something sane, and does
not block. */
int hashable_getRandomBytes(unsigned char *dest, int nbytes)
{
ssize_t off, nread;
int fd;
fd = open("/dev/urandom", O_RDONLY);
if (fd == -1)
return -1;
for (off = 0; nbytes > 0; nbytes -= nread) {
nread = read(fd, dest + off, nbytes);
off += nread;
if (nread == -1) {
off = -1;
break;
}
}
bail:
close(fd);
return off;
}
#endif

16
asterius/rts/browser/rts.wasi.mjs
View File

@ -5,6 +5,18 @@ export class WASI {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: fd_close`);
}
fd_prestat_dir_name() {
throw new WebAssembly.RuntimeError(
`Unsupported wasi interface: fd_prestat_dir_name`
);
}
fd_prestat_get() {
throw new WebAssembly.RuntimeError(
`Unsupported wasi interface: fd_prestat_get`
);
}
fd_seek() {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: fd_seek`);
}
@ -12,4 +24,8 @@ export class WASI {
fd_write() {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: fd_write`);
}
proc_exit() {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: proc_exit`);
}
}

16
asterius/rts/node/rts.wasi.mjs
View File

@ -5,6 +5,18 @@ export class WASI {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: fd_close`);
}
fd_prestat_dir_name() {
throw new WebAssembly.RuntimeError(
`Unsupported wasi interface: fd_prestat_dir_name`
);
}
fd_prestat_get() {
throw new WebAssembly.RuntimeError(
`Unsupported wasi interface: fd_prestat_get`
);
}
fd_seek() {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: fd_seek`);
}
@ -12,4 +24,8 @@ export class WASI {
fd_write() {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: fd_write`);
}
proc_exit() {
throw new WebAssembly.RuntimeError(`Unsupported wasi interface: proc_exit`);
}
}

2
asterius/src/Asterius/Builtins.hs
View File

@ -25,7 +25,6 @@ import Asterius.Builtins.CMath
import Asterius.Builtins.Endianness
import Asterius.Builtins.Env
import Asterius.Builtins.Exports
import Asterius.Builtins.Hashable
import Asterius.Builtins.Math
import Asterius.Builtins.Posix
import Asterius.Builtins.Primitive
@ -190,7 +189,6 @@ rtsAsteriusModule opts =
<> sparksCBits
<> schedulerCBits
<> cmathCBits
<> hashableCBits
<> envCBits
<> posixCBits
<> sptCBits

33
asterius/src/Asterius/Builtins/Hashable.hs
View File

@ -1,33 +0,0 @@
{-# LANGUAGE OverloadedStrings #-}
module Asterius.Builtins.Hashable
( hashableCBits,
)
where
import Asterius.EDSL
import Asterius.Types
hashableCBits :: AsteriusModule
hashableCBits = hashableFNVHash <> hashableFNVHashOffset
hashableFNVHash, hashableFNVHashOffset :: AsteriusModule
hashableFNVHash = runEDSL "hashable_fnv_hash" $ do
setReturnTypes [I64]
[str, len, salt] <- params [I64, I64, I64]
hash <- i64MutLocal
putLVal hash salt
i <- i64MutLocal
putLVal i $ constI64 0
whileLoop (getLVal i `ltUInt64` len) $ do
putLVal hash $
( getLVal hash
`xorInt64` extendUInt32 (loadI8 (str `addInt64` getLVal i) 0)
)
`mulInt64` constI64 1099511628211
putLVal i $ getLVal i `addInt64` constI64 1
emit $ getLVal hash
hashableFNVHashOffset = runEDSL "hashable_fnv_hash_offset" $ do
setReturnTypes [I64]
[str, offset', len, salt] <- params [I64, I64, I64, I64]
call' "hashable_fnv_hash" [str `addInt64` offset', len, salt] I64 >>= emit