fpWasmVM Activity
WebAssembly interpreter, written in Free Pascal
Status: Planning
Brought to you by:
nickysn
Activity for fpWasmVM
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Nikolay Nikolov committed [r703] on Code
+ implemented random_get
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* fixed stdin/stdout/stderr redirection
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* use fast O(1) conversion of FunctionInstance to FunctionInstanceId instead of O(N) in TWasmStack.Call
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+ implemented Execute for the unreachable instruction
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+ implemented execution via the 'return' instruction, as well as termination via return from the _start function (instead of through proc_exit)
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* fixed bug in reading large negative SLEB numbers
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+ initial implementation of path_rename
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+ return ISDIR if path_unlink_file is called on a directory
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+ implemented path_unlink_file
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+ implemented path_remove_directory
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+ implemented path_create_directory
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* use FileGetDate(GetFileHandle(...)) instead of FileAge() for getting the file modification time in fd_filestat_get
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+ implemented fd_filestat_set_size
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+ allow fd_tell also when there's the FdSeek right
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* don't call Seek at all, when fd_seek is called with whence=Cur and offset=0
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+ allow fd_seek with whence=Cur and offset=0, based on the FdTell right
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+ default implementation of path_open for non-directories
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+ default implementation of fd_path_filestat_get for non-directories
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+ implemented fd_seek for stdin/out and directories
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+ check for FdSeek rights when executing fd_seek
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+ disallow fd_tell if no rights
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+ implemented fd_tell for stdio and directories
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+ check FRightsBase for FdFilestatGet
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+ implemented fd_filestat_get for directories
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+ add the frFdFilestatGet rights to the standard input and output devices
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+ implemented fd_filestat_get for the standard input and standard output devices
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+ return weNotcapable if you call fd_readdir on a non-directory file descriptor
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+ pass fdflags to the TWasiInternalFdDescriptorFile constructor
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* fixed the returning of fs_rights_inheriting
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+ implemented fd_fdstat_get for regular files
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+ added checks for negative seek offsets in fd_seek
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+ range check the whence argument of fd_seek and return weInval in case it is an invalid value
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* disallow glob characters (*, ?) in path_open and path_filestat_get
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+ added protection against directory traversal attack
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+ implemented fd_write for files
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+ implemented fd_seek
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+ implemented FdTell
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+ implemented fd_filestat_get for files
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+ implemented fd_read for files
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+ implemented proper opening of files
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+ pass rights base and rights inheriting when creating new file descriptors via path_open
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+ introduced FRightsBase and FRightsInheriting
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+ implemented fd_close
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+ implemented fd_readdir
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+ finished the implementation of path_open
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+ implementation of TWasiInternalFdDescriptorDirectory.PathOpen
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* find and execute the '_start' export function, instead of simply calling the first function in the module
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* skip duplication check for custom sections
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+ show usage message when called without any parameters
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+ introduced TWasiInternalFdDescriptor.PathOpen
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+ defined type TWasiDirent
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* TWasiOFlags converted to a set
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+ started implementing path_open
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* workaround for the bug in Invoke() with 64-bit sets
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+ implementation of PathFilestatGet, using FindFirst/FindClose
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+ added numbers to the TWasiErrno enum
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+ partial implementation of path_filestat_get
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+ implemented passing set types as parameters in host module function calls
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* TWasiLookupFlags changed to a set
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+ added type TWasiFilestat
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+ proper implementation of fd_prestat_get and fd_prestat_dir_name
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+ TWasiRights converted to a set
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* compilation with WASI_DEBUG fixed
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* TWasiFdFlags changed to a set
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+ partial support for invoking host functions with set types as parameters
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+ added FdStatGet method to TWasiInternalFdDescriptor; changed the fd_fdstat_get implementation to use it
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* faster fd_write implementation for stdout
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+ implemented the i64.trunc_sat_f64_s instruction
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+ WASI: implementation of clock_time_get
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* TWasiClockId converted to enum
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+ support invoking host functions with enum parameters
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+ logging of all WASI function calls when compiled with WASI_DEBUG
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+ more functions print their debug output when WASI_DEBUG is defined
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+ implemented WASI standard input
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* WASI: disallow writing to stdin, return BADF
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+ added a FD table to the WASI implementation. Use that to implement fd_write to the standard output.
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+ pass command line parameters after the .wasm file name to the wasi program
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* fix environ_sizes_get returning the proper environc
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+ implemented args_get and args_sizes_get
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+ implemented environ_get and environ_sizes_get, so that they pass the environment to the module
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+ added classes and decoding for the non-trapping float-to-int instructions. Execute() not implemented, yet.
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* fixed the second parameter to the SUnrecognizedInstructionOpcode2 message
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+ WASIp1: prepare the environment buf
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+ parse the --dir, --map-dir and --env parameters and update FWasiConfig
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+ added options --dir, --env and --map-dir (validation by CheckOptions only)
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- rm unused local var
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+ pass Opts and NonOpts as TStringList in TMyApplication.DoRun, in order to parse the options once
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+ make use of TCustomApplication for the main console app
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+ introduced TWasiConfig, which includes command line, environment and preopened dirs list
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* use an enum return type for TWasiErrno
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+ support enum return values in host module interfaces
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* LoadWasm renamed RunWasm
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* project1 renamed fpwasmvm
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* project1.* renamed fpwasmvm.*
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+ only use unit ffi.manager on Linux
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+ fix codepage issues on Linux, when compiled with fpc trunk
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- rm unused units
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- removed unused variable
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+ support proc_exit
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+ log proc_exit
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