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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:32 +0000
commit4547b622d8d29df964fa2914213088b148c498fc (patch)
tree9fc6b25f3c3add6b745be9a2400a6e96140046e9 /vendor/object-0.26.2/src/read/wasm.rs
parentReleasing progress-linux version 1.66.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-4547b622d8d29df964fa2914213088b148c498fc.tar.xz
rustc-4547b622d8d29df964fa2914213088b148c498fc.zip
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/object-0.26.2/src/read/wasm.rs')
-rw-r--r--vendor/object-0.26.2/src/read/wasm.rs859
1 files changed, 0 insertions, 859 deletions
diff --git a/vendor/object-0.26.2/src/read/wasm.rs b/vendor/object-0.26.2/src/read/wasm.rs
deleted file mode 100644
index 93e9184b6..000000000
--- a/vendor/object-0.26.2/src/read/wasm.rs
+++ /dev/null
@@ -1,859 +0,0 @@
-//! Support for reading Wasm files.
-//!
-//! Provides `WasmFile` and related types which implement the `Object` trait.
-//!
-//! Currently implements the minimum required to access DWARF debugging information.
-use alloc::boxed::Box;
-use alloc::vec::Vec;
-use core::marker::PhantomData;
-use core::{slice, str};
-use wasmparser as wp;
-
-use crate::read::{
- self, Architecture, ComdatKind, CompressedData, CompressedFileRange, Error, Export, FileFlags,
- Import, NoDynamicRelocationIterator, Object, ObjectComdat, ObjectSection, ObjectSegment,
- ObjectSymbol, ObjectSymbolTable, ReadError, ReadRef, Relocation, Result, SectionFlags,
- SectionIndex, SectionKind, SymbolFlags, SymbolIndex, SymbolKind, SymbolScope, SymbolSection,
-};
-
-const SECTION_CUSTOM: usize = 0;
-const SECTION_TYPE: usize = 1;
-const SECTION_IMPORT: usize = 2;
-const SECTION_FUNCTION: usize = 3;
-const SECTION_TABLE: usize = 4;
-const SECTION_MEMORY: usize = 5;
-const SECTION_GLOBAL: usize = 6;
-const SECTION_EXPORT: usize = 7;
-const SECTION_START: usize = 8;
-const SECTION_ELEMENT: usize = 9;
-const SECTION_CODE: usize = 10;
-const SECTION_DATA: usize = 11;
-const SECTION_DATA_COUNT: usize = 12;
-// Update this constant when adding new section id:
-const MAX_SECTION_ID: usize = SECTION_DATA_COUNT;
-
-/// A WebAssembly object file.
-#[derive(Debug)]
-pub struct WasmFile<'data, R = &'data [u8]> {
- // All sections, including custom sections.
- sections: Vec<wp::Section<'data>>,
- // Indices into `sections` of sections with a non-zero id.
- id_sections: Box<[Option<usize>; MAX_SECTION_ID + 1]>,
- // Whether the file has DWARF information.
- has_debug_symbols: bool,
- // Symbols collected from imports, exports, code and name sections.
- symbols: Vec<WasmSymbolInternal<'data>>,
- // Address of the function body for the entry point.
- entry: u64,
- marker: PhantomData<R>,
-}
-
-#[derive(Clone)]
-enum LocalFunctionKind {
- Unknown,
- Exported { symbol_ids: Vec<u32> },
- Local { symbol_id: u32 },
-}
-
-impl<T> ReadError<T> for wasmparser::Result<T> {
- fn read_error(self, error: &'static str) -> Result<T> {
- self.map_err(|_| Error(error))
- }
-}
-
-impl<'data, R: ReadRef<'data>> WasmFile<'data, R> {
- /// Parse the raw wasm data.
- pub fn parse(data: R) -> Result<Self> {
- let len = data.len().read_error("Unknown Wasm file size")?;
- let data = data.read_bytes_at(0, len).read_error("Wasm read failed")?;
- let module = wp::ModuleReader::new(data).read_error("Invalid Wasm header")?;
-
- let mut file = WasmFile {
- sections: Vec::new(),
- id_sections: Default::default(),
- has_debug_symbols: false,
- symbols: Vec::new(),
- entry: 0,
- marker: PhantomData,
- };
-
- let mut main_file_symbol = Some(WasmSymbolInternal {
- name: "",
- address: 0,
- size: 0,
- kind: SymbolKind::File,
- section: SymbolSection::None,
- scope: SymbolScope::Compilation,
- });
-
- let mut imported_funcs_count = 0;
- let mut local_func_kinds = Vec::new();
- let mut entry_func_id = None;
-
- for section in module {
- let section = section.read_error("Invalid Wasm section header")?;
-
- match section.code {
- wp::SectionCode::Import => {
- let mut last_module_name = None;
-
- for import in section
- .get_import_section_reader()
- .read_error("Couldn't read header of the import section")?
- {
- let import = import.read_error("Couldn't read an import item")?;
- let module_name = import.module;
-
- if last_module_name != Some(module_name) {
- file.symbols.push(WasmSymbolInternal {
- name: module_name,
- address: 0,
- size: 0,
- kind: SymbolKind::File,
- section: SymbolSection::None,
- scope: SymbolScope::Dynamic,
- });
- last_module_name = Some(module_name);
- }
-
- let kind = match import.ty {
- wp::ImportSectionEntryType::Function(_) => {
- imported_funcs_count += 1;
- SymbolKind::Text
- }
- wp::ImportSectionEntryType::Table(_)
- | wp::ImportSectionEntryType::Memory(_)
- | wp::ImportSectionEntryType::Global(_) => SymbolKind::Data,
- };
-
- file.symbols.push(WasmSymbolInternal {
- name: import.field,
- address: 0,
- size: 0,
- kind,
- section: SymbolSection::Undefined,
- scope: SymbolScope::Dynamic,
- });
- }
- }
- wp::SectionCode::Function => {
- local_func_kinds = vec![
- LocalFunctionKind::Unknown;
- section
- .get_function_section_reader()
- .read_error("Couldn't read header of the function section")?
- .get_count() as usize
- ];
- }
- wp::SectionCode::Export => {
- if let Some(main_file_symbol) = main_file_symbol.take() {
- file.symbols.push(main_file_symbol);
- }
-
- for export in section
- .get_export_section_reader()
- .read_error("Couldn't read header of the export section")?
- {
- let export = export.read_error("Couldn't read an export item")?;
-
- let (kind, section_idx) = match export.kind {
- wp::ExternalKind::Function => {
- if let Some(local_func_id) =
- export.index.checked_sub(imported_funcs_count)
- {
- let local_func_kind =
- &mut local_func_kinds[local_func_id as usize];
- if let LocalFunctionKind::Unknown = local_func_kind {
- *local_func_kind = LocalFunctionKind::Exported {
- symbol_ids: Vec::new(),
- };
- }
- let symbol_ids = match local_func_kind {
- LocalFunctionKind::Exported { symbol_ids } => symbol_ids,
- _ => unreachable!(),
- };
- symbol_ids.push(file.symbols.len() as u32);
- }
- (SymbolKind::Text, SECTION_CODE)
- }
- wp::ExternalKind::Table
- | wp::ExternalKind::Memory
- | wp::ExternalKind::Global => (SymbolKind::Data, SECTION_DATA),
- };
-
- file.symbols.push(WasmSymbolInternal {
- name: export.field,
- address: 0,
- size: 0,
- kind,
- section: SymbolSection::Section(SectionIndex(section_idx)),
- scope: SymbolScope::Dynamic,
- });
- }
- }
- wp::SectionCode::Start => {
- entry_func_id = Some(
- section
- .get_start_section_content()
- .read_error("Couldn't read contents of the start section")?,
- );
- }
- wp::SectionCode::Code => {
- if let Some(main_file_symbol) = main_file_symbol.take() {
- file.symbols.push(main_file_symbol);
- }
-
- for (i, (body, local_func_kind)) in section
- .get_code_section_reader()
- .read_error("Couldn't read header of the code section")?
- .into_iter()
- .zip(&mut local_func_kinds)
- .enumerate()
- {
- let body = body.read_error("Couldn't read a function body")?;
- let range = body.range();
-
- let address = range.start as u64 - section.range().start as u64;
- let size = (range.end - range.start) as u64;
-
- if entry_func_id == Some(i as u32) {
- file.entry = address;
- }
-
- match local_func_kind {
- LocalFunctionKind::Unknown => {
- *local_func_kind = LocalFunctionKind::Local {
- symbol_id: file.symbols.len() as u32,
- };
- file.symbols.push(WasmSymbolInternal {
- name: "",
- address,
- size,
- kind: SymbolKind::Text,
- section: SymbolSection::Section(SectionIndex(SECTION_CODE)),
- scope: SymbolScope::Compilation,
- });
- }
- LocalFunctionKind::Exported { symbol_ids } => {
- for symbol_id in core::mem::replace(symbol_ids, Vec::new()) {
- let export_symbol = &mut file.symbols[symbol_id as usize];
- export_symbol.address = address;
- export_symbol.size = size;
- }
- }
- _ => unreachable!(),
- }
- }
- }
- wp::SectionCode::Custom {
- kind: wp::CustomSectionKind::Name,
- ..
- } => {
- for name in section
- .get_name_section_reader()
- .read_error("Couldn't read header of the name section")?
- {
- let name =
- match name.read_error("Couldn't read header of a name subsection")? {
- wp::Name::Function(name) => name,
- _ => continue,
- };
- let mut name_map = name
- .get_map()
- .read_error("Couldn't read header of the function name subsection")?;
- for _ in 0..name_map.get_count() {
- let naming = name_map
- .read()
- .read_error("Couldn't read a function name")?;
- if let Some(local_index) =
- naming.index.checked_sub(imported_funcs_count)
- {
- if let LocalFunctionKind::Local { symbol_id } =
- local_func_kinds[local_index as usize]
- {
- file.symbols[symbol_id as usize].name = naming.name;
- }
- }
- }
- }
- }
- wp::SectionCode::Custom { name, .. } if name.starts_with(".debug_") => {
- file.has_debug_symbols = true;
- }
- _ => {}
- }
-
- let id = section_code_to_id(section.code);
- file.id_sections[id] = Some(file.sections.len());
-
- file.sections.push(section);
- }
-
- Ok(file)
- }
-}
-
-impl<'data, R> read::private::Sealed for WasmFile<'data, R> {}
-
-impl<'data, 'file, R> Object<'data, 'file> for WasmFile<'data, R>
-where
- 'data: 'file,
- R: 'file,
-{
- type Segment = WasmSegment<'data, 'file, R>;
- type SegmentIterator = WasmSegmentIterator<'data, 'file, R>;
- type Section = WasmSection<'data, 'file, R>;
- type SectionIterator = WasmSectionIterator<'data, 'file, R>;
- type Comdat = WasmComdat<'data, 'file, R>;
- type ComdatIterator = WasmComdatIterator<'data, 'file, R>;
- type Symbol = WasmSymbol<'data, 'file>;
- type SymbolIterator = WasmSymbolIterator<'data, 'file>;
- type SymbolTable = WasmSymbolTable<'data, 'file>;
- type DynamicRelocationIterator = NoDynamicRelocationIterator;
-
- #[inline]
- fn architecture(&self) -> Architecture {
- Architecture::Wasm32
- }
-
- #[inline]
- fn is_little_endian(&self) -> bool {
- true
- }
-
- #[inline]
- fn is_64(&self) -> bool {
- false
- }
-
- fn segments(&'file self) -> Self::SegmentIterator {
- WasmSegmentIterator { file: self }
- }
-
- fn section_by_name(&'file self, section_name: &str) -> Option<WasmSection<'data, 'file, R>> {
- self.sections()
- .find(|section| section.name() == Ok(section_name))
- }
-
- fn section_by_index(&'file self, index: SectionIndex) -> Result<WasmSection<'data, 'file, R>> {
- // TODO: Missing sections should return an empty section.
- let id_section = self
- .id_sections
- .get(index.0)
- .and_then(|x| *x)
- .read_error("Invalid Wasm section index")?;
- let section = self.sections.get(id_section).unwrap();
- Ok(WasmSection {
- section,
- marker: PhantomData,
- })
- }
-
- fn sections(&'file self) -> Self::SectionIterator {
- WasmSectionIterator {
- sections: self.sections.iter(),
- marker: PhantomData,
- }
- }
-
- fn comdats(&'file self) -> Self::ComdatIterator {
- WasmComdatIterator { file: self }
- }
-
- #[inline]
- fn symbol_by_index(&'file self, index: SymbolIndex) -> Result<WasmSymbol<'data, 'file>> {
- let symbol = self
- .symbols
- .get(index.0)
- .read_error("Invalid Wasm symbol index")?;
- Ok(WasmSymbol { index, symbol })
- }
-
- fn symbols(&'file self) -> Self::SymbolIterator {
- WasmSymbolIterator {
- symbols: self.symbols.iter().enumerate(),
- }
- }
-
- fn symbol_table(&'file self) -> Option<WasmSymbolTable<'data, 'file>> {
- Some(WasmSymbolTable {
- symbols: &self.symbols,
- })
- }
-
- fn dynamic_symbols(&'file self) -> Self::SymbolIterator {
- WasmSymbolIterator {
- symbols: [].iter().enumerate(),
- }
- }
-
- #[inline]
- fn dynamic_symbol_table(&'file self) -> Option<WasmSymbolTable<'data, 'file>> {
- None
- }
-
- #[inline]
- fn dynamic_relocations(&self) -> Option<NoDynamicRelocationIterator> {
- None
- }
-
- fn imports(&self) -> Result<Vec<Import<'data>>> {
- // TODO: return entries in the import section
- Ok(Vec::new())
- }
-
- fn exports(&self) -> Result<Vec<Export<'data>>> {
- // TODO: return entries in the export section
- Ok(Vec::new())
- }
-
- fn has_debug_symbols(&self) -> bool {
- self.has_debug_symbols
- }
-
- fn relative_address_base(&self) -> u64 {
- 0
- }
-
- #[inline]
- fn entry(&'file self) -> u64 {
- self.entry
- }
-
- #[inline]
- fn flags(&self) -> FileFlags {
- FileFlags::None
- }
-}
-
-/// An iterator over the segments of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmSegmentIterator<'data, 'file, R = &'data [u8]> {
- file: &'file WasmFile<'data, R>,
-}
-
-impl<'data, 'file, R> Iterator for WasmSegmentIterator<'data, 'file, R> {
- type Item = WasmSegment<'data, 'file, R>;
-
- #[inline]
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
-
-/// A segment of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmSegment<'data, 'file, R = &'data [u8]> {
- file: &'file WasmFile<'data, R>,
-}
-
-impl<'data, 'file, R> read::private::Sealed for WasmSegment<'data, 'file, R> {}
-
-impl<'data, 'file, R> ObjectSegment<'data> for WasmSegment<'data, 'file, R> {
- #[inline]
- fn address(&self) -> u64 {
- unreachable!()
- }
-
- #[inline]
- fn size(&self) -> u64 {
- unreachable!()
- }
-
- #[inline]
- fn align(&self) -> u64 {
- unreachable!()
- }
-
- #[inline]
- fn file_range(&self) -> (u64, u64) {
- unreachable!()
- }
-
- fn data(&self) -> Result<&'data [u8]> {
- unreachable!()
- }
-
- fn data_range(&self, _address: u64, _size: u64) -> Result<Option<&'data [u8]>> {
- unreachable!()
- }
-
- #[inline]
- fn name(&self) -> Result<Option<&str>> {
- unreachable!()
- }
-}
-
-/// An iterator over the sections of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmSectionIterator<'data, 'file, R = &'data [u8]> {
- sections: slice::Iter<'file, wp::Section<'data>>,
- marker: PhantomData<R>,
-}
-
-impl<'data, 'file, R> Iterator for WasmSectionIterator<'data, 'file, R> {
- type Item = WasmSection<'data, 'file, R>;
-
- fn next(&mut self) -> Option<Self::Item> {
- let section = self.sections.next()?;
- Some(WasmSection {
- section,
- marker: PhantomData,
- })
- }
-}
-
-/// A section of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmSection<'data, 'file, R = &'data [u8]> {
- section: &'file wp::Section<'data>,
- marker: PhantomData<R>,
-}
-
-impl<'data, 'file, R> read::private::Sealed for WasmSection<'data, 'file, R> {}
-
-impl<'data, 'file, R> ObjectSection<'data> for WasmSection<'data, 'file, R> {
- type RelocationIterator = WasmRelocationIterator<'data, 'file, R>;
-
- #[inline]
- fn index(&self) -> SectionIndex {
- // Note that we treat all custom sections as index 0.
- // This is ok because they are never looked up by index.
- SectionIndex(section_code_to_id(self.section.code))
- }
-
- #[inline]
- fn address(&self) -> u64 {
- 0
- }
-
- #[inline]
- fn size(&self) -> u64 {
- let range = self.section.range();
- (range.end - range.start) as u64
- }
-
- #[inline]
- fn align(&self) -> u64 {
- 1
- }
-
- #[inline]
- fn file_range(&self) -> Option<(u64, u64)> {
- let range = self.section.range();
- Some((range.start as _, range.end as _))
- }
-
- #[inline]
- fn data(&self) -> Result<&'data [u8]> {
- let mut reader = self.section.get_binary_reader();
- // TODO: raise a feature request upstream to be able
- // to get remaining slice from a BinaryReader directly.
- Ok(reader.read_bytes(reader.bytes_remaining()).unwrap())
- }
-
- fn data_range(&self, _address: u64, _size: u64) -> Result<Option<&'data [u8]>> {
- unimplemented!()
- }
-
- #[inline]
- fn compressed_file_range(&self) -> Result<CompressedFileRange> {
- Ok(CompressedFileRange::none(self.file_range()))
- }
-
- #[inline]
- fn compressed_data(&self) -> Result<CompressedData<'data>> {
- self.data().map(CompressedData::none)
- }
-
- #[inline]
- fn name(&self) -> Result<&str> {
- Ok(match self.section.code {
- wp::SectionCode::Custom { name, .. } => name,
- wp::SectionCode::Type => "<type>",
- wp::SectionCode::Import => "<import>",
- wp::SectionCode::Function => "<function>",
- wp::SectionCode::Table => "<table>",
- wp::SectionCode::Memory => "<memory>",
- wp::SectionCode::Global => "<global>",
- wp::SectionCode::Export => "<export>",
- wp::SectionCode::Start => "<start>",
- wp::SectionCode::Element => "<element>",
- wp::SectionCode::Code => "<code>",
- wp::SectionCode::Data => "<data>",
- wp::SectionCode::DataCount => "<data_count>",
- })
- }
-
- #[inline]
- fn segment_name(&self) -> Result<Option<&str>> {
- Ok(None)
- }
-
- #[inline]
- fn kind(&self) -> SectionKind {
- match self.section.code {
- wp::SectionCode::Custom { kind, .. } => match kind {
- wp::CustomSectionKind::Reloc | wp::CustomSectionKind::Linking => {
- SectionKind::Linker
- }
- _ => SectionKind::Other,
- },
- wp::SectionCode::Type => SectionKind::Metadata,
- wp::SectionCode::Import => SectionKind::Linker,
- wp::SectionCode::Function => SectionKind::Metadata,
- wp::SectionCode::Table => SectionKind::UninitializedData,
- wp::SectionCode::Memory => SectionKind::UninitializedData,
- wp::SectionCode::Global => SectionKind::Data,
- wp::SectionCode::Export => SectionKind::Linker,
- wp::SectionCode::Start => SectionKind::Linker,
- wp::SectionCode::Element => SectionKind::Data,
- wp::SectionCode::Code => SectionKind::Text,
- wp::SectionCode::Data => SectionKind::Data,
- wp::SectionCode::DataCount => SectionKind::UninitializedData,
- }
- }
-
- #[inline]
- fn relocations(&self) -> WasmRelocationIterator<'data, 'file, R> {
- WasmRelocationIterator(PhantomData)
- }
-
- #[inline]
- fn flags(&self) -> SectionFlags {
- SectionFlags::None
- }
-}
-
-/// An iterator over the COMDAT section groups of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmComdatIterator<'data, 'file, R = &'data [u8]> {
- file: &'file WasmFile<'data, R>,
-}
-
-impl<'data, 'file, R> Iterator for WasmComdatIterator<'data, 'file, R> {
- type Item = WasmComdat<'data, 'file, R>;
-
- #[inline]
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
-
-/// A COMDAT section group of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmComdat<'data, 'file, R = &'data [u8]> {
- file: &'file WasmFile<'data, R>,
-}
-
-impl<'data, 'file, R> read::private::Sealed for WasmComdat<'data, 'file, R> {}
-
-impl<'data, 'file, R> ObjectComdat<'data> for WasmComdat<'data, 'file, R> {
- type SectionIterator = WasmComdatSectionIterator<'data, 'file, R>;
-
- #[inline]
- fn kind(&self) -> ComdatKind {
- unreachable!();
- }
-
- #[inline]
- fn symbol(&self) -> SymbolIndex {
- unreachable!();
- }
-
- #[inline]
- fn name(&self) -> Result<&str> {
- unreachable!();
- }
-
- #[inline]
- fn sections(&self) -> Self::SectionIterator {
- unreachable!();
- }
-}
-
-/// An iterator over the sections in a COMDAT section group of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmComdatSectionIterator<'data, 'file, R = &'data [u8]>
-where
- 'data: 'file,
-{
- file: &'file WasmFile<'data, R>,
-}
-
-impl<'data, 'file, R> Iterator for WasmComdatSectionIterator<'data, 'file, R> {
- type Item = SectionIndex;
-
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
-
-/// A symbol table of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmSymbolTable<'data, 'file> {
- symbols: &'file [WasmSymbolInternal<'data>],
-}
-
-impl<'data, 'file> read::private::Sealed for WasmSymbolTable<'data, 'file> {}
-
-impl<'data, 'file> ObjectSymbolTable<'data> for WasmSymbolTable<'data, 'file> {
- type Symbol = WasmSymbol<'data, 'file>;
- type SymbolIterator = WasmSymbolIterator<'data, 'file>;
-
- fn symbols(&self) -> Self::SymbolIterator {
- WasmSymbolIterator {
- symbols: self.symbols.iter().enumerate(),
- }
- }
-
- fn symbol_by_index(&self, index: SymbolIndex) -> Result<Self::Symbol> {
- let symbol = self
- .symbols
- .get(index.0)
- .read_error("Invalid Wasm symbol index")?;
- Ok(WasmSymbol { index, symbol })
- }
-}
-
-/// An iterator over the symbols of a `WasmFile`.
-#[derive(Debug)]
-pub struct WasmSymbolIterator<'data, 'file> {
- symbols: core::iter::Enumerate<slice::Iter<'file, WasmSymbolInternal<'data>>>,
-}
-
-impl<'data, 'file> Iterator for WasmSymbolIterator<'data, 'file> {
- type Item = WasmSymbol<'data, 'file>;
-
- fn next(&mut self) -> Option<Self::Item> {
- let (index, symbol) = self.symbols.next()?;
- Some(WasmSymbol {
- index: SymbolIndex(index),
- symbol,
- })
- }
-}
-
-/// A symbol of a `WasmFile`.
-#[derive(Clone, Copy, Debug)]
-pub struct WasmSymbol<'data, 'file> {
- index: SymbolIndex,
- symbol: &'file WasmSymbolInternal<'data>,
-}
-
-#[derive(Clone, Debug)]
-struct WasmSymbolInternal<'data> {
- name: &'data str,
- address: u64,
- size: u64,
- kind: SymbolKind,
- section: SymbolSection,
- scope: SymbolScope,
-}
-
-impl<'data, 'file> read::private::Sealed for WasmSymbol<'data, 'file> {}
-
-impl<'data, 'file> ObjectSymbol<'data> for WasmSymbol<'data, 'file> {
- #[inline]
- fn index(&self) -> SymbolIndex {
- self.index
- }
-
- #[inline]
- fn name(&self) -> read::Result<&'data str> {
- Ok(self.symbol.name)
- }
-
- #[inline]
- fn address(&self) -> u64 {
- self.symbol.address
- }
-
- #[inline]
- fn size(&self) -> u64 {
- self.symbol.size
- }
-
- #[inline]
- fn kind(&self) -> SymbolKind {
- self.symbol.kind
- }
-
- #[inline]
- fn section(&self) -> SymbolSection {
- self.symbol.section
- }
-
- #[inline]
- fn is_undefined(&self) -> bool {
- self.symbol.section == SymbolSection::Undefined
- }
-
- #[inline]
- fn is_definition(&self) -> bool {
- self.symbol.kind == SymbolKind::Text && self.symbol.section != SymbolSection::Undefined
- }
-
- #[inline]
- fn is_common(&self) -> bool {
- self.symbol.section == SymbolSection::Common
- }
-
- #[inline]
- fn is_weak(&self) -> bool {
- false
- }
-
- #[inline]
- fn scope(&self) -> SymbolScope {
- self.symbol.scope
- }
-
- #[inline]
- fn is_global(&self) -> bool {
- self.symbol.scope != SymbolScope::Compilation
- }
-
- #[inline]
- fn is_local(&self) -> bool {
- self.symbol.scope == SymbolScope::Compilation
- }
-
- #[inline]
- fn flags(&self) -> SymbolFlags<SectionIndex> {
- SymbolFlags::None
- }
-}
-
-/// An iterator over the relocations in a `WasmSection`.
-#[derive(Debug)]
-pub struct WasmRelocationIterator<'data, 'file, R = &'data [u8]>(
- PhantomData<(&'data (), &'file (), R)>,
-);
-
-impl<'data, 'file, R> Iterator for WasmRelocationIterator<'data, 'file, R> {
- type Item = (u64, Relocation);
-
- #[inline]
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
-
-fn section_code_to_id(code: wp::SectionCode) -> usize {
- match code {
- wp::SectionCode::Custom { .. } => SECTION_CUSTOM,
- wp::SectionCode::Type => SECTION_TYPE,
- wp::SectionCode::Import => SECTION_IMPORT,
- wp::SectionCode::Function => SECTION_FUNCTION,
- wp::SectionCode::Table => SECTION_TABLE,
- wp::SectionCode::Memory => SECTION_MEMORY,
- wp::SectionCode::Global => SECTION_GLOBAL,
- wp::SectionCode::Export => SECTION_EXPORT,
- wp::SectionCode::Start => SECTION_START,
- wp::SectionCode::Element => SECTION_ELEMENT,
- wp::SectionCode::Code => SECTION_CODE,
- wp::SectionCode::Data => SECTION_DATA,
- wp::SectionCode::DataCount => SECTION_DATA_COUNT,
- }
-}