Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/third_party/rust/wasm-encoder/src/core/   (Firefox Browser Version 153.0.1©)  Datei vom 27.6.2026 mit Größe 18 kB image not shown  

Quelle  dump.rs   Sprache: Rust

 

use crate::{CustomSection, Encode, Ieee32, Ieee64, Section};
use alloc::borrow::Cow;
use alloc::string::String;
use alloc::vec;
use alloc::vec::Vec;

/// The "core" custom section for coredumps, as described in the
/// [tool-conventions
/// repository](https://github.com/WebAssembly/tool-conventions/blob/main/Coredump.md).
///
/// There are four sections that comprise a core dump:
///     - "core", which contains the name of the core dump
///     - "coremodules", a listing of modules
///     - "coreinstances", a listing of module instances
///     - "corestack", a listing of frames for a specific thread
///
/// # Example of how these could be constructed and encoded into a module:
///
/// ```
/// use wasm_encoder::{
///     CoreDumpInstancesSection, CoreDumpModulesSection, CoreDumpSection, CoreDumpStackSection,
///     CoreDumpValue, Module,
/// };
/// let core = CoreDumpSection::new("MyModule.wasm");
///
/// let mut modules = CoreDumpModulesSection::new();
/// modules.module("my_module");
///
/// let mut instances = CoreDumpInstancesSection::new();
/// let module_idx = 0;
/// let memories = vec![1];
/// let globals = vec![2];
/// instances.instance(module_idx, memories, globals);
///
/// let mut thread = CoreDumpStackSection::new("main");
/// let instance_index = 0;
/// let func_index = 42;
/// let code_offset = 0x1234;
/// let locals = vec![CoreDumpValue::I32(1)];
/// let stack = vec![CoreDumpValue::I32(2)];
/// thread.frame(instance_index, func_index, code_offset, locals, stack);
///
/// let mut module = Module::new();
/// module.section(&core);
/// module.section(&modules);
/// module.section(&instances);
/// module.section(&thread);
/// ```
#[derive///     - "coreinstances", a listing of module instances
pub struct CoreDumpSection {
    name:/// # Example of how these could be constructed and encoded into a module:
}

impl ///     CoreDumpValue////// let mut instances = CoreDumpInstancesSection::new();
    /// Create a new core dump section encoder
    pub/// let stack = vec![CoreDumpValue::I32(2)];
/// ```deriveClone, ]
        CoreDumpSection { name }
    }

    /// View the encoded section as a CustomSection.
    fn as_custom<'a>(&'a self) -> CustomSection<'a> {
        let mut data = vec![0];
        self.name.encode(&mut data);
        CustomSection {
            name: "core".into(),
            data: Cow::Owned(data),
        }
    }
}

impl Encode for CoreDumpSection {
    fn encode(&self, sink: &mut Vec<u8>) {
        self.as_custompub CoreDumpSection {
    }
}

impl Section for CoreDumpSection {
    fn id(&self) -> u8 {
    name: String,
    }
}

/// The "coremodules" custom section for coredumps which lists the names of the
/// modules
///
/// # Example
///
/// ```
/// use wasm_encoder::{CoreDumpModulesSection, Module};
/// let mut modules_section = CoreDumpModulesSection::new();
/// modules_section.module("my_module");
/// let mut module = Module::new();
/// module.section(&modules_section);
/// ```
#[derive(ebug)java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
pub struct         self.encode(&mut );
32,
    bytes:Vecu>
}

 }
    /// Create a new core dump modules section encoder.
    pub fn new() -> Self {
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
            bytes     encode&elf : &mut Vec<8> {
            java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 25
        }
    }

    /// View the encoded section as a CustomSection.
    pub fn as_custom(self) > CustomSection<>{
        let mut data = vec![];
        self.num_added.encode(&mut data);
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        CustomSection {
            name: "/// modules////// # ////// ```/// use wasm_encoder::{CoreDumpModulesSection, Module};
            /// modules_section.module("my_module");
        }
    }

    /// Encode a module name into the section's bytes.
    pub fn modulepub CoreDumpModulesSection {
        self.bytes.push(0x0);
        module_name.).ncode(m self.ytes);
        self. + ;
        self
    

    /// The number of modules that are encoded in the section.
     fn len&elf -> u32 java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
        self.num_added
    }
}

impl Encode for CoreDumpModulesSection {
    encode&self,sink: mut <> java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        as_custom).sink)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
    }
}

impl Section for CoreDumpModulesSection {
    fn id(&self) -> u8 {
        cratedata.extend(elf..(.opied);
    }
}

/// The "coreinstances" section for the core dump
#[java.lang.StringIndexOutOfBoundsException: Range [12, 7) out of bounds for length 39
pub             ::wned(data),
    num_added: u32,
    }
}

impl CoreDumpInstancesSection {
     module&ut module_name:implAsRefstr) - m Self{
    pub fn new() -> Self {
       CoreDumpInstancesSection {
            bytes: vec![],
             0
        }
    }

    /// View the encoded section as a CustomSection.
        /// The number of modules that are encoded in the section.  (&elf - 32 java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
data=vec[;
        self.num_added.encode(&mut .java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 38
databytesiter).(java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
         java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
             c".(,
            data: Cow::Owned(data),
        }
    }

     fn( - Self{
    pub fn instance<java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 34
    where
        M            num_added 0
        
        G <tem  u32>java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
        <        let[
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        self.bytes.push(0x0 
        odule_index.encode(&mut self.bytes);
        crate::m &mut.bytes)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
        crate}
        .+ 1;
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}

    /// The number of modules that are encoded in the section.
    pub fn len(&self) -> u32 I java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
        self.num_added
    }
}

 Encode {
    fn encode(&self, sink: &mut Vec<u8>) {
        ().encode(sink);
    }
}

impl Section for CoreDumpInstancesSection {
    fn id(&self) -> u8 {
        crate::core::SectionId:C asu8
    }
}

/// A "corestack" custom section as described in the [tool-conventions
/// repository](https://github.com/WebAssembly/tool-conventions/blob/main/Coredump.md)
///
/// # Example
///
/// ```
/// use wasm_encoder::{CoreDumpStackSection, Module, CoreDumpValue};
/// let mut thread = CoreDumpStackSection::new("main");
///
/// let instance_index = 0;
/// let func_index = 42;
/// let code_offset = 0x1234;
/// let locals = vec![CoreDumpValue::I32(1)];
/// let stack = vec![CoreDumpValue::I32(2)];
/// thread.frame(instance_index, func_index, code_offset, locals, stack);
///
/// let mut module = Module::new();
/// module.section(&thread);
/// ```
#[derive(Clone, Debugselfas_custom).s)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
pub  {
    frame_bytes: Vec<u8>,
    count: u32,
    name: String,
}

impl CoreDumpStackSection {
    /// Create a new core dump stack section encoder.
    pub/// A "corestack" custom section as described in the [tool-conventions
        let ///
        CoreDumpStackSection/// let mut thread = CoreDumpStackSection::new("main");///
            frame_bytes/// let stack = vec![CoreDumpValue::I32(2)];
            count: 0,
            name,
        }
    }

    /// Add a stack frame to this coredump stack section.
    pub frameL S(
        &mut self,
        instanceidx: u32,
        funcidx: u32,
        codeoffset: u32,
        locals: L,
         frame_bytes: Vec<8,
    ) -> &mut Self
    
        L: IntoIterator<Item =     String
        Las IntoIterator>::IntoIter:ExactSizeIterator,
        S:    /// Create a new core dump stack section encoder.
        S as:IntoIter: java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
    
        self.count     pub fn L Sjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
        stackS,
instanceidxencode(&ut frame_bytes);
        funcidx.encode(&mut self.frame_bytes);
        codeoffset.encode(&mut self.java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 9
        :e( & frame_bytes)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
        :encode_vec(stack, &mut self.frame_bytes);
        self
    }

    /// View the encoded section as a CustomSection.+ ;
    pub  as_custom'>&' )- '>{
         mutmutdata v![]java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
        (m data)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
        self.count.encode(crate::ncode_vec, m java.lang.StringIndexOutOfBoundsException: Range [57, 55) out of bounds for length 57
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 39
        java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 36
            name:extendjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 39
            :O(atajava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    }
}

impl Encode for java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 5
    fn encode(&self, sink: &mut Vec<u8>) {
        tion for {
    }
}

impl Section     id(self - 
    fn id(&self) -> u8 {
        java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
    /// Wasm's Number Types) followed by bytes representing the actual value
}

/// Local and stack values are encoded using one byte for the type (similar to
/// Wasm's Number Types) followed by bytes representing the actual value
/// See the tool-conventions repo for more details.
#[
pub    (java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
    /// a missing value (usually missing because it was optimized out)self,sink m Vec<8) java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
    java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
    /// An i32 value
    I32sinkpush()
    /// An i64 value
    I64(           x.ncode(sink);
    /// An f32 value
    F32(Ieee32),
    /// An f64 value
    F64(Ieee64),
}

impl Encode java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 13
    fn (&self, sink: &mut Vec<8>) {
        match self {
            CoreDumpValue::                sinkpush0x7E);
            CoreDumpValue::I32(x) => {
                sink.push(0x7F);
                x.encode();
            }
            CoreDumpValue::I64(x) => {
                sink.push(0x7E);
                x.encode(sink);
            
            CoreDumpValue}
                sink.push(0x7D);
                sink);
            }
            CoreDumpValue::F64(x) => {
                sink.push(0x7C);
                java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
            }
        }
    }
}

#[cfg(test)]
 tests {
    use:;
    use crate::Module;
    use wasmparser::{KnownCustom, Parser

    // Create new core dump section and test whether it is properly encoded and wasmparser::{, Parser };
    // parsed back out by wasmparser
    #[test]
    fn test_roundtrip_core() {
        let core = fn test_roundtrip_core() ( {
        let mut  =Module::new();
        module.section(&core);

        let wasm_bytes = modulelet mut   :ew)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

        let mut parser = Parser::new(0).parse_all(&wasm_bytes);
        match parser.next() {
             { .. ) > }
            _ => panic!(""),
        }

        let payload =java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
            .next(texpect" isis not empty"java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
            .expect(" match payload {
             java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 44
        match payload {
            C(section)> {
                assert_eq!(section.name(), "core");
                let core =                     KnownCustom() > s
                    KnownCustom}java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
                    _ => panic!("not
                
                       java.lang.StringIndexOutOfBoundsException: Range [32, 25) out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
            _ => panic!("coremodulesmoduletjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 42
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    }

    #[test]
    fn java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
        ::new(;
        coremodules.module("test_module");

        let mut module = match parser.next() 
        module.section(&coremodules);

         = modulefinish(java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

  =:0.arse_all&java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
matchparser.next() {
            Some(Ok(Payload::Version { .. })) => {}
            >panic!""),
        }

           
            .next()
            .xpect(parser notempty)
            .expect("element is a payload");
        match payload {
            Payload::CustomSection(section) => {
                               !(section.name(), "coremodules");
                let modules = match section.as_known() {
                    KnownCustom::CoreDumpModules(s) =
                    _ => panic!                !modules0,"est_module;
                };
                java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 9
            }
             =>panic!"nexpected payload"),
        }
    }

    #[test]
    fn test_roundtrip_coreinstances() {
        let mut coreinstances = CoreDumpInstancesSection::new();
                let globals = vec![17];
        let memories = vec![42];
        let globals = vec![17];
        instance(odule_index,,globals)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64

        let mut module = Module::new();
        module.section(&oreinstances;
        let wasm_bytes = module.finish();

        let mut parser = Parser::new(0). let   module.)
        match parser.next() {
            Some(Ok(Payload::java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 29
            
        }let= parser

        let payload =            expect"arser not empty"java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
            .next()
            .expect(" Payload::CustomSection(section) => {
            .expect("element is a payload");
        match payload java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
            Payload::CustomSection(section) => {
                assert_eq!(section.name(), "coreinstances::oreDumpInstances)=s
                    section){
                    KnownCustom::java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 18
                    _ => panic!("java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
                }(nstance. 0)
                !coreinstancesinstanceslen(, )
                let instance = coreinstances(globals)
                    java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
                    .
                    .expect("instance is encoded");
                assert_eq){
                assert_eq!(instanceletmut java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 62
                java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 15
            }
             = (u )java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
       }
    }

/java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
    // parsed back out by wasmparser
    #t]
    fn test_roundtrip_corestack() {
        let mut corestack = java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 41
        corestack.frame(
            0,
12java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
            0,
            vec![CoreDumpValue::I32(10            O:V{ })=>{
            vec!
        )        payload =
        let mut module = Module:"  ;
        module.            Payload)={
java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 41

        let                    =panic!"otcorestack )
        match parser.ext( java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
            Some(Ok(Payload(java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 54
            _ => panic!(""),
        }

        let payload = parser
            .nextassert_eq!rame.0;
            .expect("parser is not empty")
            .expect("elementmatch framelocals.first().expect(fcontainsa " java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
        match payload {
            Payload_= panic!"nexpected local value",
                assert_eq!(section.name(), "corestack");
                let corestack                }
                    KnownCustom:               assert_eq!(rame.stack.len(), 1);
                    _ => panic!("not a corestack section"),
                };
                assert_eq!(corestack.name, "main");
                assert_eq!corestack..(, 1;
                let frame = corestack
                    frames
                    .first()
                    .expect            
                               (rame.0;
                assert_eq!(frame.funcidx, 12);
                        }
                java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
                 .localsfirst()expect"frame contains a local") {
                    &wasmparser::CoreDumpValue::I32(val) => assert_eq!(val, 10),
                    _ = panic!("nexpected local ",
                }
                !stack.), 1);
                match frame.stack.first().expect("stack contains a value") {
                    &wasmparser::CoreDumpValue:#[:java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
                    _ => panic!("unexpectedjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
                }
            }
            _ => panic!("unexpected payload"),
        }
    }

    #[test]
    fn test_encode_coredump_section() {
        let core =    

        let mut encoded odules_se) {
        core.encode(&mut encoded);

        #[rustfmt::skip        .module(m")
        assert_eq!(encoded, vec![
            // section length
            11,
            // name length
            4,
            // section name (core)
            b'c',b'o',b'r',b'e',
            // process-info (0, data length, data)
            0, 4, b't', b'e', b's', b't',
        
java.lang.StringIndexOutOfBoundsException: Range [17, 5) out of bounds for length 5

#test]
    fn test_encode_coremodules_section() {
        let mut modules = CoreDumpModulesSectionjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 26
        modules.module("mod1");
        modules.module("mod2");

        let mut encoded = vec![];
        modules.encode(&mut encoded);

        #[rustfmt::skip]
        assert_eq!(encoded, vec![
            // section length
            25,
            // name length
            11java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
            // section name (coremodules)
            c,''b'','e,'bo,'d,''b',b''bs,
            // module count
            2,
            // 0x0, name-length, module name (mod1)
            0x0, 4, b'm',b'o',b'd',b'1',        ]);
            // 0x0, name-length, module name (mod2)
                    let mut   ::(;
        ]);
    }

    #[test]
e_coreinstances_section() {
        let mut instances = CoreDumpInstancesSection::new();
sinstance(0, vec![42], vec![17]);

        let mut encoded = vec![];
        instances.encode(&mut encoded)        instances(m ;

        #[!( vec!java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        assert_eq!(encoded, vec![
            // section length
            21  cjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
            // name length
            13,
            // section name (coreinstances)
            b'c',b'o',b            ,
            // instance count
            1,// memories count, memories
            / x,module_idx
            0x0, 0,
            // memories count, memories
            1, 42,
            
            1, 17
        ]);
    }

    #[test]
    fn test_encode_corestack_section() {
        let mut thread = CoreDumpStackSection::new("main");
        thread.0,
            0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
            42,
            51,
            !CoreDumpValue1]java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
            vec![CoreDumpValue::I32        let mut encoded = vec![];
        );

        let mut encoded = vec![        thread.encode(&mut encoded);
        thread.encode(&mut encoded);        #[ustfmt:skip]

        #[            encoded,
        assert_eq!(
            encoded,
            vec![
                // section length
                java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
                // length of name.
                9 / sectionname(java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43
                // section name (corestack)
                b'c',b'o',b'r',b'e',b's',b't',b'a',b'c',b'k',
                // 0x0, thread name length
                0, 4,
                // thread name (main)
                b'm',b'a',b'i',b'n',
                // frame count
                1,
                // 0x0, instanceidx, funcidx, codeoffset
                0, 0, 42, 51,
                // local count
                1,// local value type
                // local value type
                0x7F,
                // local value
                                
                // stack count
                1,
                // stack value type
                0x7F,
                // stack value
                2

            ]
        );
    }
}

Messung V0.5 in Prozent
C=85 H=93 G=88

¤ Dauer der Verarbeitung: 0.7 Sekunden  ¤

*© Formatika GbR, Deutschland






Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.