update deps and add build infra

.dockerignore

@@ -0,0 +1 @@
+*

.forgejo/workflows/build.nix

@@ -0,0 +1,33 @@
+{pkgs?import<nixpkgs>{}}:let
+  stdenv = pkgs.clang19Stdenv;
+  name = "tek";
+  nativeBuildInputs = with pkgs; [ grcov time rustup cloc just pkg-config freetype libclang ];
+  buildInputs = with pkgs; let
+    #suil = pkgs.enableDebugging (pkgs.suil.overrideAttrs (a: b: {
+      #dontStrip = true; separateDebugInfo = true;
+    #}));
+  in [ jack2 lilv serd libclang /*suil*/ glib gtk3 ];
+  VST3_SDK_DIR = "/home/user/Lab/Music/tek/vst3sdk/";
+  LIBCLANG_PATH = "${pkgs.libclang.lib.outPath}/lib";
+  LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath (with pkgs; [
+    pipewire.jack
+    # for ChowKick.lv2:
+    freetype
+    libgcc.lib
+    # for Panagement
+    xorg.libX11
+    xorg.libXcursor
+    xorg.libXi
+    libxkbcommon
+    #suil
+    # for Helm:
+    alsa-lib
+    curl
+    libglvnd
+    #xorg_sys_opengl
+  ]);
+in pkgs.mkShell.override {
+  inherit stdenv;
+} {
+  inherit name nativeBuildInputs buildInputs VST3_SDK_DIR LIBCLANG_PATH LD_LIBRARY_PATH;
+}

.forgejo/workflows/build.yaml

@@ -0,0 +1,15 @@
+on: [push]
+jobs:
+  build:
+    container:
+      image: nixos/nix:latest
+    steps:
+      - run: nix-channel --list && nix-channel --update
+      - run: nix-shell --cores 4 -p git --command 'git clone --recursive $GITHUB_SERVER_URL/$GITHUB_REPOSITORY .'
+      - run: whoami && pwd && ls -al
+      - run: nix-shell --cores 4 --command 'cloc src/ && cloc .' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'rustup install nightly && cargo version -vv' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'just cov-md' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'just doc' .forgejo/workflows/build.nix
+      - run: nix-shell --cores 4 --command 'just build-release' .forgejo/workflows/build.nix
+      #- run: nix-shell -p docker --command "docker run --security-opt seccomp=unconfined -v $PWD:/volume xd009642/tarpaulin cargo tarpaulin --out Html --all-features"

.gitignore

@@ -1,4 +1,16 @@
-target
+target/*
+!target/.gitkeep
 *.dll
 *.exe
 bin/
+perf.data*
+flamegraph*.svg
+vgcore*
+example.mid
+cov
+*/cov
+*.profraw
+build/*
+!build/README.md
+!build/*.sh
+!build/Dockerfile.*

Cargo.toml

@@ -1,6 +1,23 @@
+[workspace.package]
+version = "0.1.0"
+edition = "2024"
+
+[workspace.dependencies.tengri]
+git = "https://codeberg.org/unspeaker/tengri"
+rev = "47b7f7e"
+
 [workspace]
 resolver = "2"
 members = [
-  "crates/vestal",
-  "crates/wrapper"
+  "cli",
+  "core",
+  "emu",
+  "wrap"
 ]
+
+[profile.release]
+lto = true
+
+[profile.coverage]
+inherits = "test"
+lto = false

Justfile

@@ -8,3 +8,22 @@ vst-v:
   clear; tmux clear-history || true; cargo build && target/debug/vestal -v bin/vst.dll 2>&1
 wrapper:
   cargo build -p vestal_wrapper --release --target=x86_64-unknown-linux-musl
+
+covfig := "CARGO_INCREMENTAL=0 RUSTFLAGS='-Cinstrument-coverage' RUSTDOCFLAGS='-Cinstrument-coverage' LLVM_PROFILE_FILE='cov/cargo-test-%p-%m.profraw'"
+grcov-binary := "--binary-path ./target/coverage/deps/"
+grcov-ignore := "--ignore-not-existing --ignore '../*' --ignore \"/*\" --ignore 'target/*'"
+cov:
+  {{covfig}} time cargo test -j4 --workspace --profile coverage
+  rm -rf target/coverage/html || true
+  {{covfig}} time grcov . -s . {{grcov-binary}} {{grcov-ignore}} -t html -o target/coverage/html
+cov-md:
+  {{covfig}} time cargo test -j4 --workspace --profile coverage
+  {{covfig}} time grcov . -s . {{grcov-binary}} {{grcov-ignore}} -t markdown | sort
+cov-md-ci:
+  {{covfig}} time cargo test -j4 --workspace --profile coverage -- --skip test_tui_engine
+  {{covfig}} time grcov . -s . {{grcov-binary}} {{grcov-ignore}} -t markdown | sort
+doc:
+  cargo doc
+
+build-release:
+  time cargo build -j4 --release

LICENSE

@@ -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.
+
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+
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+
+  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
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+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
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+following paragraph.
+
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+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
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+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
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+
+  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
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+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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+  16. Limitation of Liability.
+
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+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
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+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/>.

README.md

@@ -1,3 +1,20 @@
+# vestal  [![Please don't upload to GitHub](https://nogithub.codeberg.page/badge.svg)](https://nogithub.codeberg.page)
+
+## requirements
+
+* rust nightly
+* some DLLs to patch!
+
+## installation
+
+install with cargo from source:
+
+```
+cargo install --git https://codeberg.org/unspeaker/vestal
+```
+
+## development
+
 ```
 just # 🛕
 ```

build/Dockerfile.glibc

@@ -0,0 +1,14 @@
+FROM docker.io/library/debian:bookworm
+RUN apt update \
+ && apt install -y build-essential bash tree git wget \
+      pkg-config libjack-dev liblilv-dev libserd-dev libsord-dev
+RUN adduser --quiet --uid 1000 --disabled-password build
+RUN wget https://static.rust-lang.org/rustup/dist/x86_64-unknown-linux-gnu/rustup-init \
+ && chmod +x ./rustup-init \
+ && mv rustup-init /usr/bin/rustup-init
+USER build
+WORKDIR /home/build
+RUN rustup-init -yv --profile minimal --default-toolchain nightly \
+ && rm -rvf "$HOME/.rustup/roolchains/*/share"
+RUN ls -alh "$HOME" && bash -c '. "$HOME/.cargo/env" \
+ && cargo version -vv'

build/Dockerfile.musl

@@ -0,0 +1,13 @@
+FROM docker.io/library/alpine:edge
+
+RUN apk add --no-cache build-base bash tree rustup git just cloc clang20-dev pipewire-jack-dev
+
+RUN adduser -Du1000 build
+
+USER 1000
+
+RUN rustup-init -y --profile minimal --default-toolchain nightly \
+ && rm -rvf "$HOME/.rustup/roolchains/*/share"
+
+RUN source "$HOME/.cargo/env" \
+ && cargo version -vv

build/README.md

@@ -0,0 +1,11 @@
+This directory contains Dockerfiles and shell scripts
+for building Tek in a container. For now, only the
+GLIBC build works, as the Musl static build is unable
+to `dlopen` the system's `libjack.so`.
+
+Invoke from repo root, like this: `build/release-glibc.sh`.
+This will first build a Docker image, `tek:glibc`, which
+will contain all build-time dependencies; then, it
+will invoke a `cargo build --release` in a container
+spawned from that image, ultimately placing the
+release build in this directory, as `build/tek`.

build/release-glibc-shell.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+set -exo pipefail
+docker inspect vestal:glibc || time docker build --cache-from=internal \
+  -f build/Dockerfile.glibc -t vestal:glibc .
+time docker run \
+  --rm -itu0 \
+  -v .:/build -w /build \
+  -vvestal-build-cargo:/home/build/.cargo \
+  -vvestal-build-target:/build/target \
+  -eRUST_JACK_DLOPEN=true \
+  vestal:glibc $@

build/release-glibc.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+set -exo pipefail
+docker inspect vestal:glibc || time docker build --cache-from=internal \
+  -f build/Dockerfile.glibc -t vestal:glibc .
+time docker run \
+  --rm -itu0 \
+  -v .:/build -w /build \
+  -vvestal-build-cargo:/home/build/.cargo \
+  -vvestal-build-target:/build/target \
+  -eRUST_JACK_DLOPEN=true \
+  vestal:glibc sh -c "chown -R 1000:1000 /build/target \
+    && su build -c '. ~/.cargo/env \
+    && time cargo build -j4 --release \
+    && cp target/release/vestal build/'"

build/release-musl-shell.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+set -exo pipefail
+docker inspect vestal:musl || time docker build --cache-from=internal \
+  -f build/Dockerfile.musl -t vestal:musl .
+time docker run \
+  --rm -itu0 \
+  -v .:/build -w /build \
+  -vvestal-build-cargo:/home/build/.cargo \
+  -vvestal-build-target:/build/target \
+  -eRUST_JACK_DLOPEN=true \
+  vestal:musl $@

build/release-musl.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+set -exo pipefail
+docker inspect vestal:musl || time docker build --cache-from=internal \
+  -f build/Dockerfile.musl -t vestal:musl .
+time docker run \
+  --rm -itu0 \
+  -v .:/build -w /build \
+  -vvestal-build-cargo:/home/build/.cargo \
+  -vvestal-build-target:/build/target \
+  -eRUST_JACK_DLOPEN=true \
+  vestal:musl sh -c "chown -R 1000:1000 /build/target \
+    && su build -c 'source ~/.cargo/env \
+    && just build-release \
+    && cp target/release/vestal build/'"

cli/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name    = "vestal_cli"
+version = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+vestal = { path = "../core" }
+clap   = { version = "4.5.4", features = [ "cargo" ] }

cli/src/main.rs

@@ -0,0 +1,33 @@
+use std::sync::Arc;
+use std::path::PathBuf;
+use std::fs::canonicalize;
+use clap::{arg, command, value_parser};
+use vestal::Module;
+
+/// Define command line arguments.
+fn cli () -> clap::Command {
+    command!()
+        .arg(arg!([path] "Path to VST DLL").value_parser(value_parser!(PathBuf)))
+        //.arg(arg!(-s --stub <VALUE> "Provide a stub import").required(false))
+        .arg(arg!(-i --inspect "Show info, don't run").required(false))
+        .arg(arg!(-v --verbose "Show a lot of info").required(false))
+}
+
+fn main () -> Result<(), Box<dyn std::error::Error>> {
+    // Parse command line arguments.
+    let args = cli().get_matches();
+    if let Some(path) = args.get_one::<PathBuf>("path") {
+        Module::from_path(path, *(args.get_one::<bool>("verbose").unwrap_or(&false)))
+            .map(Arc::new)
+            .unwrap_or_else(|e|panic!("failed to open: {e:?}"))
+            .search(std::env::current_dir()?)
+            .search(canonicalize(path.clone().parent().expect("invalid parent path"))?)
+            .search("/home/user/Lab/Cosmo/wineprefix/drive_c/windows/system32")
+            .load(true).unwrap_or_else(|e|panic!("failed to load: {e:?}"))
+            .resolve(true).unwrap_or_else(|e|panic!("failed to resolve: {e:?}"))
+            .relink().unwrap_or_else(|e|panic!("failed to relink: {e:?}"));
+    } else {
+        println!("Pass a path to a VST DLL");
+    }
+    Ok(())
+}

core/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name    = "vestal"
+version = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+tengri = { workspace = true }
+
+binary-layout = "4.0.2"
+exe           = "0.5.6"
+hexy          = "0.1.4"
+iced-x86      = "1.21.0"
+itertools     = "0.14.0"
+object        = { version = "0.36.7", features = [ "read_core", "write_core", "elf", "pe" ] }
+pretty-hex    = "0.4.1"
+syscalls      = "0.6.18"
+#elf = "0.7.4"
+#goblin = "0.9.3"
+#lancelot = "0.9.7"
+#falcon = "0.5.5"

core/src/lib.rs

@@ -8,15 +8,6 @@ mod imports; pub(crate) use self::imports::*;
 mod exports; pub(crate) use self::exports::*;
 mod call_sites; pub(crate) use self::call_sites::*;
 mod bang;
-/// Define command line arguments.
-fn cli () -> clap::Command {
-    use clap::{arg, command, value_parser, ArgAction, Command};
-    command!()
-        .arg(arg!([path] "Path to VST DLL").value_parser(value_parser!(PathBuf)))
-        //.arg(arg!(-s --stub <VALUE> "Provide a stub import").required(false))
-        .arg(arg!(-i --inspect "Show info, don't run").required(false))
-        .arg(arg!(-v --verbose "Show a lot of info").required(false))
-}
 /// A DLL that will be linked into the output.
 pub struct Module {
     /// Scope.
@@ -70,35 +61,13 @@ pub struct CallSite {
     /// Name of method that is being called
     pub method: Option<Arc<str>>,
 }
-fn main () -> Usually<()> {
-    use clap::{arg, command, value_parser, ArgAction, Command};
-    // Parse command line arguments.
-    let args = cli().get_matches();
-    if let Some(path) = args.get_one::<PathBuf>("path") {
-        Module::from_path(path, *(args.get_one::<bool>("verbose").unwrap_or(&false)))
-            .map(Arc::new)
-            .unwrap_or_else(|e|panic!("failed to open: {e:?}"))
-            .search(std::env::current_dir()?)
-            .search(canonicalize(path.clone().parent().expect("invalid parent path"))?)
-            .search("/home/user/Lab/Cosmo/wineprefix/drive_c/windows/system32")
-            .load(true)
-            .unwrap_or_else(|e|panic!("failed to load: {e:?}"))
-            .resolve(true)
-            .unwrap_or_else(|e|panic!("failed to resolve: {e:?}"))
-            .relink()
-            .unwrap_or_else(|e|panic!("failed to relink: {e:?}"));
-    } else {
-        println!("Pass a path to a VST DLL");
-    }
-    Ok(())
-}
 impl Module {
     /// Construct a cross-linkable library.
     ///
     /// Loads the PE but does not
     /// extract any imports/exports/callsites.
     /// For that, invoke the [Module::load] method.
-    fn from_path (path: impl AsRef<Path>, verbose: bool) -> Usually<Self> {
+    pub fn from_path (path: impl AsRef<Path>, verbose: bool) -> Usually<Self> {
         Log::load(verbose, &path);
         let (pe, data, bang) = read_pe(&path)?;
         let (code, code_start, code_size) = read_code(&pe)?;
@@ -126,13 +95,13 @@ impl Module {
         })
     }
     /// Add a search path
-    fn search (self: Arc<Self>, path: impl AsRef<Path>) -> Arc<Self> {
+    pub fn search (self: Arc<Self>, path: impl AsRef<Path>) -> Arc<Self> {
         Log::add(self.verbose, &path);
         self.search_paths.write().unwrap().insert(path.as_ref().to_path_buf().into());
         self
     }
     /// Search for DLL by name in search paths.
-    fn find (&self, name: &impl AsRef<str>) -> Usually<Option<PathBuf>> {
+    pub fn find (&self, name: &impl AsRef<str>) -> Usually<Option<PathBuf>> {
         let name = name.as_ref();
         for base in self.search_paths.read().unwrap().iter() {
             let mut path = base.as_ref().clone();
@@ -146,7 +115,7 @@ impl Module {
         Ok(None)
     }
     /// Load the dependency tree reachable from this module.
-    fn load (self: Arc<Self>, recurse: bool) -> Usually<Arc<Self>> {
+    pub fn load (self: Arc<Self>, recurse: bool) -> Usually<Arc<Self>> {
         let module = self.load_exports()?;
         let module = module.load_imports(recurse)?;
         if module.verbose {
@@ -155,7 +124,7 @@ impl Module {
         Ok(module)
     }
     /// Identify call sites and try to match them with their new locations.
-    fn resolve (self: Arc<Self>, recurse: bool) -> Usually<Arc<Self>> {
+    pub fn resolve (self: Arc<Self>, recurse: bool) -> Usually<Arc<Self>> {
         let module = self.load_call_sites(recurse)?;
         if module.verbose {
             println!("{:?}", &module);
@@ -163,7 +132,7 @@ impl Module {
         Ok(module)
     }
     /// Build an ELF executable out of the DLL
-    fn relink (self: Arc<Self>) -> Usually<Arc<Self>> {
+    pub fn relink (self: Arc<Self>) -> Usually<Arc<Self>> {
         let page = 32*1024;
         let mut size = 0;
         for module in self.namespace.read().unwrap().values() {

core/src/show.rs

@@ -128,7 +128,7 @@ impl Module {
         print!("  {style}{:26}{RESET}", fmt_bytes(&self.code[addr..addr+instruction.len()]));
         println!("  {style}{instruction}{RESET}");
     }
-    pub fn show_call_site (&self, addr: usize, length: usize, context: usize) {
+    pub fn show_call_site (&self, addr: usize, length: usize, context: usize) -> Usually<()> {
         let base  = self.code_base as usize;
         let line  = 16;
         let group = 2;
@@ -137,41 +137,42 @@ impl Module {
         let byte_end   = snap(addr) + (context + 1) * line;
         let mut output = String::new();
         for (index, byte) in (byte_start..byte_end).enumerate() {
-            write!(&mut output, "{DIM}");
+            write!(&mut output, "{DIM}")?;
             if byte % line == 0 {
                 if (byte >= snap(addr)) && (byte < snap(addr) + line) {
-                    write!(&mut output, "{RESET}╭─");
+                    write!(&mut output, "{RESET}╭─")?;
                 } else if byte >= snap(addr) + line {
-                    write!(&mut output, "┊ ");
+                    write!(&mut output, "┊ ")?;
                 } else {
-                    write!(&mut output, "  ");
+                    write!(&mut output, "  ")?;
                 }
-                write!(&mut output, "{:08x}", byte + base);
+                write!(&mut output, "{:08x}", byte + base)?;
             }
-            write!(&mut output, "{DIM}");
+            write!(&mut output, "{DIM}")?;
             if (byte >= addr) && (byte < addr + length) {
-                write!(&mut output, "{RESET}{BOLD}{INVERT}");
+                write!(&mut output, "{RESET}{BOLD}{INVERT}")?;
             }
             if byte % group == 0 {
                 if byte == addr {
-                    write!(&mut output, "{}", "▌");
+                    write!(&mut output, "{}", "▌")?;
                 } else if byte == addr + length {
-                    write!(&mut output, "{RESET}{BOLD}{INVERT}▐{RESET}{DIM}");
+                    write!(&mut output, "{RESET}{BOLD}{INVERT}▐{RESET}{DIM}")?;
                 } else {
-                    write!(&mut output, "{}", " ");
+                    write!(&mut output, "{}", " ")?;
                 }
             }
-            write!(&mut output, "{:02x}", self.code[byte]);
-            write!(&mut output, "{RESET}");
+            write!(&mut output, "{:02x}", self.code[byte])?;
+            write!(&mut output, "{RESET}")?;
             if byte % line == line - 1 {
                 if snap(byte) == snap(addr) {
                     let dasm = Show::link_dasm(&self.code[addr..], addr);
                     write!(&mut output, " -> {dasm}");
                 }
-                write!(&mut output, " \n");
+                write!(&mut output, " \n")?;
             }
         }
         print!("{output}");
+        Ok(())
     }
 }
 impl CallSite {

crates/vestal/Cargo.toml

@@ -1,19 +0,0 @@
-[package]
-name = "vestal"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
-clap = { version = "4.5.4", features = [ "cargo" ] }
-syscalls = "0.6.18"
-object = { version = "0.36.7", features = [ "read_core", "write_core", "elf", "pe" ] }
-hexy = "0.1.4"
-pretty-hex = "0.4.1"
-exe = "0.5.6"
-iced-x86 = "1.21.0"
-itertools = "0.14.0"
-binary-layout = "4.0.2"
-#elf = "0.7.4"
-#goblin = "0.9.3"
-#lancelot = "0.9.7"
-#falcon = "0.5.5"

emu/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name    = "vestal_emu"
+version = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+unicorn = "0.9.1"

shell.nix

@@ -4,6 +4,7 @@
     #dontStrip = true; separateDebugInfo = true;
   #}));
 in pkgs.mkShell {
+  name = "vestal-devshell";
   nativeBuildInputs = with pkgs; [
     pkg-config
     freetype
@@ -11,6 +12,7 @@ in pkgs.mkShell {
     #bear
   ];
   buildInputs = with pkgs; [
+    unicorn
     jack2
     lilv
     serd
@@ -22,6 +24,7 @@ in pkgs.mkShell {
   VST3_SDK_DIR = "/home/user/Lab/Music/tek/vst3sdk/";
   LIBCLANG_PATH = "${pkgs.libclang.lib.outPath}/lib";
   LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath (with pkgs; [
+    unicorn
     pipewire.jack
     # for ChowKick.lv2:
     freetype

wrap/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
-name = "vestal_wrapper"
-version = "0.1.0"
-edition = "2021"
+name    = "vestal_wrap"
+version = { workspace = true }
+edition = { workspace = true }
 
 [lib]
 crate-type = ["staticlib"]

wrap/src/lib.rs

@@ -5,7 +5,7 @@ pub(crate) struct Host(pub Jack);
 
 audio!(|self: Host, _c, _s|Control::Continue);
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub extern "C" fn main (argc: usize, argv: usize) -> usize {
     let plugin = run();
     let jack = Jack::new("vestal")
@@ -27,7 +27,7 @@ unsafe extern "C" {
     fn VSTPluginMain (callback: *mut MainCallback) -> *mut Plugin;
 }
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 extern "C" fn main_callback (
     effect: *mut Plugin,
     opcode: i32,