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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
commitc23a457e72abe608715ac76f076f47dc42af07a5 (patch)
tree2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /vendor/object-0.31.1/src/read/xcoff
parentReleasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-c23a457e72abe608715ac76f076f47dc42af07a5.tar.xz
rustc-c23a457e72abe608715ac76f076f47dc42af07a5.zip
Merging upstream version 1.74.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/object-0.31.1/src/read/xcoff')
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/comdat.rs129
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/file.rs629
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/mod.rs21
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/relocation.rs127
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/section.rs427
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/segment.rs113
-rw-r--r--vendor/object-0.31.1/src/read/xcoff/symbol.rs695
7 files changed, 0 insertions, 2141 deletions
diff --git a/vendor/object-0.31.1/src/read/xcoff/comdat.rs b/vendor/object-0.31.1/src/read/xcoff/comdat.rs
deleted file mode 100644
index 2b23d1dba..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/comdat.rs
+++ /dev/null
@@ -1,129 +0,0 @@
-//! XCOFF doesn't support the COMDAT section.
-
-use core::fmt::Debug;
-
-use crate::xcoff;
-
-use crate::read::{self, ComdatKind, ObjectComdat, ReadRef, Result, SectionIndex, SymbolIndex};
-
-use super::{FileHeader, XcoffFile};
-
-/// An iterator over the COMDAT section groups of a `XcoffFile32`.
-pub type XcoffComdatIterator32<'data, 'file, R = &'data [u8]> =
- XcoffComdatIterator<'data, 'file, xcoff::FileHeader32, R>;
-/// An iterator over the COMDAT section groups of a `XcoffFile64`.
-pub type XcoffComdatIterator64<'data, 'file, R = &'data [u8]> =
- XcoffComdatIterator<'data, 'file, xcoff::FileHeader64, R>;
-
-/// An iterator over the COMDAT section groups of a `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffComdatIterator<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- #[allow(unused)]
- pub(crate) file: &'file XcoffFile<'data, Xcoff, R>,
-}
-
-impl<'data, 'file, Xcoff, R> Iterator for XcoffComdatIterator<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type Item = XcoffComdat<'data, 'file, Xcoff, R>;
-
- #[inline]
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
-
-/// A COMDAT section group of a `XcoffFile32`.
-pub type XcoffComdat32<'data, 'file, R = &'data [u8]> =
- XcoffComdat<'data, 'file, xcoff::FileHeader32, R>;
-
-/// A COMDAT section group of a `XcoffFile64`.
-pub type XcoffComdat64<'data, 'file, R = &'data [u8]> =
- XcoffComdat<'data, 'file, xcoff::FileHeader64, R>;
-
-/// A COMDAT section group of a `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffComdat<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- #[allow(unused)]
- file: &'file XcoffFile<'data, Xcoff, R>,
-}
-
-impl<'data, 'file, Xcoff, R> read::private::Sealed for XcoffComdat<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Xcoff, R> ObjectComdat<'data> for XcoffComdat<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type SectionIterator = XcoffComdatSectionIterator<'data, 'file, Xcoff, R>;
-
- #[inline]
- fn kind(&self) -> ComdatKind {
- unreachable!();
- }
-
- #[inline]
- fn symbol(&self) -> SymbolIndex {
- unreachable!();
- }
-
- #[inline]
- fn name_bytes(&self) -> Result<&[u8]> {
- 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 `XcoffFile32`.
-pub type XcoffComdatSectionIterator32<'data, 'file, R = &'data [u8]> =
- XcoffComdatSectionIterator<'data, 'file, xcoff::FileHeader32, R>;
-/// An iterator over the sections in a COMDAT section group of a `XcoffFile64`.
-pub type XcoffComdatSectionIterator64<'data, 'file, R = &'data [u8]> =
- XcoffComdatSectionIterator<'data, 'file, xcoff::FileHeader64, R>;
-
-/// An iterator over the sections in a COMDAT section group of a `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffComdatSectionIterator<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- #[allow(unused)]
- file: &'file XcoffFile<'data, Xcoff, R>,
-}
-
-impl<'data, 'file, Xcoff, R> Iterator for XcoffComdatSectionIterator<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type Item = SectionIndex;
-
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
diff --git a/vendor/object-0.31.1/src/read/xcoff/file.rs b/vendor/object-0.31.1/src/read/xcoff/file.rs
deleted file mode 100644
index bac9e7075..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/file.rs
+++ /dev/null
@@ -1,629 +0,0 @@
-use core::fmt::Debug;
-use core::mem;
-
-use alloc::vec::Vec;
-
-use crate::read::{self, Error, NoDynamicRelocationIterator, Object, ReadError, ReadRef, Result};
-
-use crate::{
- xcoff, Architecture, BigEndian as BE, FileFlags, ObjectKind, ObjectSection, Pod, SectionIndex,
- SymbolIndex,
-};
-
-use super::{
- CsectAux, FileAux, SectionHeader, SectionTable, Symbol, SymbolTable, XcoffComdat,
- XcoffComdatIterator, XcoffSection, XcoffSectionIterator, XcoffSegment, XcoffSegmentIterator,
- XcoffSymbol, XcoffSymbolIterator, XcoffSymbolTable,
-};
-
-/// A 32-bit XCOFF object file.
-pub type XcoffFile32<'data, R = &'data [u8]> = XcoffFile<'data, xcoff::FileHeader32, R>;
-/// A 64-bit XCOFF object file.
-pub type XcoffFile64<'data, R = &'data [u8]> = XcoffFile<'data, xcoff::FileHeader64, R>;
-
-/// A partially parsed XCOFF file.
-///
-/// Most of the functionality of this type is provided by the `Object` trait implementation.
-#[derive(Debug)]
-pub struct XcoffFile<'data, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- pub(super) data: R,
- pub(super) header: &'data Xcoff,
- pub(super) aux_header: Option<&'data Xcoff::AuxHeader>,
- pub(super) sections: SectionTable<'data, Xcoff>,
- pub(super) symbols: SymbolTable<'data, Xcoff, R>,
-}
-
-impl<'data, Xcoff, R> XcoffFile<'data, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- /// Parse the raw XCOFF file data.
- pub fn parse(data: R) -> Result<Self> {
- let mut offset = 0;
- let header = Xcoff::parse(data, &mut offset)?;
- let aux_header = header.aux_header(data, &mut offset)?;
- let sections = header.sections(data, &mut offset)?;
- let symbols = header.symbols(data)?;
-
- Ok(XcoffFile {
- data,
- header,
- aux_header,
- sections,
- symbols,
- })
- }
-
- /// Returns the raw data.
- pub fn data(&self) -> R {
- self.data
- }
-
- /// Returns the raw XCOFF file header.
- pub fn raw_header(&self) -> &'data Xcoff {
- self.header
- }
-}
-
-impl<'data, Xcoff, R> read::private::Sealed for XcoffFile<'data, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Xcoff, R> Object<'data, 'file> for XcoffFile<'data, Xcoff, R>
-where
- 'data: 'file,
- Xcoff: FileHeader,
- R: 'file + ReadRef<'data>,
-{
- type Segment = XcoffSegment<'data, 'file, Xcoff, R>;
- type SegmentIterator = XcoffSegmentIterator<'data, 'file, Xcoff, R>;
- type Section = XcoffSection<'data, 'file, Xcoff, R>;
- type SectionIterator = XcoffSectionIterator<'data, 'file, Xcoff, R>;
- type Comdat = XcoffComdat<'data, 'file, Xcoff, R>;
- type ComdatIterator = XcoffComdatIterator<'data, 'file, Xcoff, R>;
- type Symbol = XcoffSymbol<'data, 'file, Xcoff, R>;
- type SymbolIterator = XcoffSymbolIterator<'data, 'file, Xcoff, R>;
- type SymbolTable = XcoffSymbolTable<'data, 'file, Xcoff, R>;
- type DynamicRelocationIterator = NoDynamicRelocationIterator;
-
- fn architecture(&self) -> crate::Architecture {
- if self.is_64() {
- Architecture::PowerPc64
- } else {
- Architecture::PowerPc
- }
- }
-
- fn is_little_endian(&self) -> bool {
- false
- }
-
- fn is_64(&self) -> bool {
- self.header.is_type_64()
- }
-
- fn kind(&self) -> ObjectKind {
- let flags = self.header.f_flags();
- if flags & xcoff::F_EXEC != 0 {
- ObjectKind::Executable
- } else if flags & xcoff::F_SHROBJ != 0 {
- ObjectKind::Dynamic
- } else if flags & xcoff::F_RELFLG == 0 {
- ObjectKind::Relocatable
- } else {
- ObjectKind::Unknown
- }
- }
-
- fn segments(&'file self) -> XcoffSegmentIterator<'data, 'file, Xcoff, R> {
- XcoffSegmentIterator { file: self }
- }
-
- fn section_by_name_bytes(
- &'file self,
- section_name: &[u8],
- ) -> Option<XcoffSection<'data, 'file, Xcoff, R>> {
- self.sections()
- .find(|section| section.name_bytes() == Ok(section_name))
- }
-
- fn section_by_index(
- &'file self,
- index: SectionIndex,
- ) -> Result<XcoffSection<'data, 'file, Xcoff, R>> {
- let section = self.sections.section(index)?;
- Ok(XcoffSection {
- file: self,
- section,
- index,
- })
- }
-
- fn sections(&'file self) -> XcoffSectionIterator<'data, 'file, Xcoff, R> {
- XcoffSectionIterator {
- file: self,
- iter: self.sections.iter().enumerate(),
- }
- }
-
- fn comdats(&'file self) -> XcoffComdatIterator<'data, 'file, Xcoff, R> {
- XcoffComdatIterator { file: self }
- }
-
- fn symbol_table(&'file self) -> Option<XcoffSymbolTable<'data, 'file, Xcoff, R>> {
- if self.symbols.is_empty() {
- return None;
- }
- Some(XcoffSymbolTable {
- symbols: &self.symbols,
- file: self,
- })
- }
-
- fn symbol_by_index(
- &'file self,
- index: SymbolIndex,
- ) -> Result<XcoffSymbol<'data, 'file, Xcoff, R>> {
- let symbol = self.symbols.symbol(index.0)?;
- Ok(XcoffSymbol {
- symbols: &self.symbols,
- index,
- symbol,
- file: self,
- })
- }
-
- fn symbols(&'file self) -> XcoffSymbolIterator<'data, 'file, Xcoff, R> {
- XcoffSymbolIterator {
- symbols: &self.symbols,
- index: 0,
- file: self,
- }
- }
-
- fn dynamic_symbol_table(&'file self) -> Option<XcoffSymbolTable<'data, 'file, Xcoff, R>> {
- None
- }
-
- fn dynamic_symbols(&'file self) -> XcoffSymbolIterator<'data, 'file, Xcoff, R> {
- // TODO: return the symbols in the STYP_LOADER section.
- XcoffSymbolIterator {
- file: self,
- symbols: &self.symbols,
- // Hack: don't return any.
- index: self.symbols.len(),
- }
- }
-
- fn dynamic_relocations(&'file self) -> Option<Self::DynamicRelocationIterator> {
- // TODO: return the relocations in the STYP_LOADER section.
- None
- }
-
- fn imports(&self) -> Result<alloc::vec::Vec<crate::Import<'data>>> {
- // TODO: return the imports in the STYP_LOADER section.
- Ok(Vec::new())
- }
-
- fn exports(&self) -> Result<alloc::vec::Vec<crate::Export<'data>>> {
- // TODO: return the exports in the STYP_LOADER section.
- Ok(Vec::new())
- }
-
- fn has_debug_symbols(&self) -> bool {
- self.section_by_name(".debug").is_some() || self.section_by_name(".dwinfo").is_some()
- }
-
- fn relative_address_base(&'file self) -> u64 {
- 0
- }
-
- fn entry(&'file self) -> u64 {
- if let Some(aux_header) = self.aux_header {
- aux_header.o_entry().into()
- } else {
- 0
- }
- }
-
- fn flags(&self) -> FileFlags {
- FileFlags::Xcoff {
- f_flags: self.header.f_flags(),
- }
- }
-}
-
-/// A trait for generic access to `FileHeader32` and `FileHeader64`.
-#[allow(missing_docs)]
-pub trait FileHeader: Debug + Pod {
- type Word: Into<u64>;
- type AuxHeader: AuxHeader<Word = Self::Word>;
- type SectionHeader: SectionHeader<Word = Self::Word>;
- type Symbol: Symbol<Word = Self::Word>;
- type FileAux: FileAux;
- type CsectAux: CsectAux;
-
- /// Return true if this type is a 64-bit header.
- fn is_type_64(&self) -> bool;
-
- fn f_magic(&self) -> u16;
- fn f_nscns(&self) -> u16;
- fn f_timdat(&self) -> u32;
- fn f_symptr(&self) -> Self::Word;
- fn f_nsyms(&self) -> u32;
- fn f_opthdr(&self) -> u16;
- fn f_flags(&self) -> u16;
-
- // Provided methods.
-
- /// Read the file header.
- ///
- /// Also checks that the magic field in the file header is a supported format.
- fn parse<'data, R: ReadRef<'data>>(data: R, offset: &mut u64) -> Result<&'data Self> {
- let header = data
- .read::<Self>(offset)
- .read_error("Invalid XCOFF header size or alignment")?;
- if !header.is_supported() {
- return Err(Error("Unsupported XCOFF header"));
- }
- Ok(header)
- }
-
- fn is_supported(&self) -> bool {
- (self.is_type_64() && self.f_magic() == xcoff::MAGIC_64)
- || (!self.is_type_64() && self.f_magic() == xcoff::MAGIC_32)
- }
-
- /// Read the auxiliary file header.
- fn aux_header<'data, R: ReadRef<'data>>(
- &self,
- data: R,
- offset: &mut u64,
- ) -> Result<Option<&'data Self::AuxHeader>> {
- let aux_header_size = self.f_opthdr();
- if self.f_flags() & xcoff::F_EXEC == 0 {
- // No auxiliary header is required for an object file that is not an executable.
- // TODO: Some AIX programs generate auxiliary headers for 32-bit object files
- // that end after the data_start field.
- *offset += u64::from(aux_header_size);
- return Ok(None);
- }
- // Executables, however, must have auxiliary headers that include the
- // full structure definitions.
- if aux_header_size != mem::size_of::<Self::AuxHeader>() as u16 {
- *offset += u64::from(aux_header_size);
- return Ok(None);
- }
- let aux_header = data
- .read::<Self::AuxHeader>(offset)
- .read_error("Invalid XCOFF auxiliary header size")?;
- Ok(Some(aux_header))
- }
-
- /// Read the section table.
- #[inline]
- fn sections<'data, R: ReadRef<'data>>(
- &self,
- data: R,
- offset: &mut u64,
- ) -> Result<SectionTable<'data, Self>> {
- SectionTable::parse(self, data, offset)
- }
-
- /// Return the symbol table.
- #[inline]
- fn symbols<'data, R: ReadRef<'data>>(&self, data: R) -> Result<SymbolTable<'data, Self, R>> {
- SymbolTable::parse(*self, data)
- }
-}
-
-impl FileHeader for xcoff::FileHeader32 {
- type Word = u32;
- type AuxHeader = xcoff::AuxHeader32;
- type SectionHeader = xcoff::SectionHeader32;
- type Symbol = xcoff::Symbol32;
- type FileAux = xcoff::FileAux32;
- type CsectAux = xcoff::CsectAux32;
-
- fn is_type_64(&self) -> bool {
- false
- }
-
- fn f_magic(&self) -> u16 {
- self.f_magic.get(BE)
- }
-
- fn f_nscns(&self) -> u16 {
- self.f_nscns.get(BE)
- }
-
- fn f_timdat(&self) -> u32 {
- self.f_timdat.get(BE)
- }
-
- fn f_symptr(&self) -> Self::Word {
- self.f_symptr.get(BE)
- }
-
- fn f_nsyms(&self) -> u32 {
- self.f_nsyms.get(BE)
- }
-
- fn f_opthdr(&self) -> u16 {
- self.f_opthdr.get(BE)
- }
-
- fn f_flags(&self) -> u16 {
- self.f_flags.get(BE)
- }
-}
-
-impl FileHeader for xcoff::FileHeader64 {
- type Word = u64;
- type AuxHeader = xcoff::AuxHeader64;
- type SectionHeader = xcoff::SectionHeader64;
- type Symbol = xcoff::Symbol64;
- type FileAux = xcoff::FileAux64;
- type CsectAux = xcoff::CsectAux64;
-
- fn is_type_64(&self) -> bool {
- true
- }
-
- fn f_magic(&self) -> u16 {
- self.f_magic.get(BE)
- }
-
- fn f_nscns(&self) -> u16 {
- self.f_nscns.get(BE)
- }
-
- fn f_timdat(&self) -> u32 {
- self.f_timdat.get(BE)
- }
-
- fn f_symptr(&self) -> Self::Word {
- self.f_symptr.get(BE)
- }
-
- fn f_nsyms(&self) -> u32 {
- self.f_nsyms.get(BE)
- }
-
- fn f_opthdr(&self) -> u16 {
- self.f_opthdr.get(BE)
- }
-
- fn f_flags(&self) -> u16 {
- self.f_flags.get(BE)
- }
-}
-
-#[allow(missing_docs)]
-pub trait AuxHeader: Debug + Pod {
- type Word: Into<u64>;
-
- fn o_vstamp(&self) -> u16;
- fn o_tsize(&self) -> Self::Word;
- fn o_dsize(&self) -> Self::Word;
- fn o_bsize(&self) -> Self::Word;
- fn o_entry(&self) -> Self::Word;
- fn o_text_start(&self) -> Self::Word;
- fn o_data_start(&self) -> Self::Word;
- fn o_toc(&self) -> Self::Word;
- fn o_snentry(&self) -> u16;
- fn o_sntext(&self) -> u16;
- fn o_sndata(&self) -> u16;
- fn o_sntoc(&self) -> u16;
- fn o_snloader(&self) -> u16;
- fn o_snbss(&self) -> u16;
- fn o_sntdata(&self) -> u16;
- fn o_sntbss(&self) -> u16;
- fn o_algntext(&self) -> u16;
- fn o_algndata(&self) -> u16;
- fn o_maxstack(&self) -> Self::Word;
- fn o_maxdata(&self) -> Self::Word;
- fn o_textpsize(&self) -> u8;
- fn o_datapsize(&self) -> u8;
- fn o_stackpsize(&self) -> u8;
-}
-
-impl AuxHeader for xcoff::AuxHeader32 {
- type Word = u32;
-
- fn o_vstamp(&self) -> u16 {
- self.o_vstamp.get(BE)
- }
-
- fn o_tsize(&self) -> Self::Word {
- self.o_tsize.get(BE)
- }
-
- fn o_dsize(&self) -> Self::Word {
- self.o_dsize.get(BE)
- }
-
- fn o_bsize(&self) -> Self::Word {
- self.o_bsize.get(BE)
- }
-
- fn o_entry(&self) -> Self::Word {
- self.o_entry.get(BE)
- }
-
- fn o_text_start(&self) -> Self::Word {
- self.o_text_start.get(BE)
- }
-
- fn o_data_start(&self) -> Self::Word {
- self.o_data_start.get(BE)
- }
-
- fn o_toc(&self) -> Self::Word {
- self.o_toc.get(BE)
- }
-
- fn o_snentry(&self) -> u16 {
- self.o_snentry.get(BE)
- }
-
- fn o_sntext(&self) -> u16 {
- self.o_sntext.get(BE)
- }
-
- fn o_sndata(&self) -> u16 {
- self.o_sndata.get(BE)
- }
-
- fn o_sntoc(&self) -> u16 {
- self.o_sntoc.get(BE)
- }
-
- fn o_snloader(&self) -> u16 {
- self.o_snloader.get(BE)
- }
-
- fn o_snbss(&self) -> u16 {
- self.o_snbss.get(BE)
- }
-
- fn o_sntdata(&self) -> u16 {
- self.o_sntdata.get(BE)
- }
-
- fn o_sntbss(&self) -> u16 {
- self.o_sntbss.get(BE)
- }
-
- fn o_algntext(&self) -> u16 {
- self.o_algntext.get(BE)
- }
-
- fn o_algndata(&self) -> u16 {
- self.o_algndata.get(BE)
- }
-
- fn o_maxstack(&self) -> Self::Word {
- self.o_maxstack.get(BE)
- }
-
- fn o_maxdata(&self) -> Self::Word {
- self.o_maxdata.get(BE)
- }
-
- fn o_textpsize(&self) -> u8 {
- self.o_textpsize
- }
-
- fn o_datapsize(&self) -> u8 {
- self.o_datapsize
- }
-
- fn o_stackpsize(&self) -> u8 {
- self.o_stackpsize
- }
-}
-
-impl AuxHeader for xcoff::AuxHeader64 {
- type Word = u64;
-
- fn o_vstamp(&self) -> u16 {
- self.o_vstamp.get(BE)
- }
-
- fn o_tsize(&self) -> Self::Word {
- self.o_tsize.get(BE)
- }
-
- fn o_dsize(&self) -> Self::Word {
- self.o_dsize.get(BE)
- }
-
- fn o_bsize(&self) -> Self::Word {
- self.o_bsize.get(BE)
- }
-
- fn o_entry(&self) -> Self::Word {
- self.o_entry.get(BE)
- }
-
- fn o_text_start(&self) -> Self::Word {
- self.o_text_start.get(BE)
- }
-
- fn o_data_start(&self) -> Self::Word {
- self.o_data_start.get(BE)
- }
-
- fn o_toc(&self) -> Self::Word {
- self.o_toc.get(BE)
- }
-
- fn o_snentry(&self) -> u16 {
- self.o_snentry.get(BE)
- }
-
- fn o_sntext(&self) -> u16 {
- self.o_sntext.get(BE)
- }
-
- fn o_sndata(&self) -> u16 {
- self.o_sndata.get(BE)
- }
-
- fn o_sntoc(&self) -> u16 {
- self.o_sntoc.get(BE)
- }
-
- fn o_snloader(&self) -> u16 {
- self.o_snloader.get(BE)
- }
-
- fn o_snbss(&self) -> u16 {
- self.o_snbss.get(BE)
- }
-
- fn o_sntdata(&self) -> u16 {
- self.o_sntdata.get(BE)
- }
-
- fn o_sntbss(&self) -> u16 {
- self.o_sntbss.get(BE)
- }
-
- fn o_algntext(&self) -> u16 {
- self.o_algntext.get(BE)
- }
-
- fn o_algndata(&self) -> u16 {
- self.o_algndata.get(BE)
- }
-
- fn o_maxstack(&self) -> Self::Word {
- self.o_maxstack.get(BE)
- }
-
- fn o_maxdata(&self) -> Self::Word {
- self.o_maxdata.get(BE)
- }
-
- fn o_textpsize(&self) -> u8 {
- self.o_textpsize
- }
-
- fn o_datapsize(&self) -> u8 {
- self.o_datapsize
- }
-
- fn o_stackpsize(&self) -> u8 {
- self.o_stackpsize
- }
-}
diff --git a/vendor/object-0.31.1/src/read/xcoff/mod.rs b/vendor/object-0.31.1/src/read/xcoff/mod.rs
deleted file mode 100644
index 136e31073..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/mod.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-//! Support for reading AIX XCOFF files.
-//!
-//! Provides `XcoffFile` and related types which implement the `Object` trait.
-
-mod file;
-pub use file::*;
-
-mod section;
-pub use section::*;
-
-mod symbol;
-pub use symbol::*;
-
-mod relocation;
-pub use relocation::*;
-
-mod comdat;
-pub use comdat::*;
-
-mod segment;
-pub use segment::*;
diff --git a/vendor/object-0.31.1/src/read/xcoff/relocation.rs b/vendor/object-0.31.1/src/read/xcoff/relocation.rs
deleted file mode 100644
index 78c6acfc7..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/relocation.rs
+++ /dev/null
@@ -1,127 +0,0 @@
-use alloc::fmt;
-use core::fmt::Debug;
-use core::slice;
-
-use crate::pod::Pod;
-use crate::{xcoff, BigEndian as BE, Relocation};
-
-use crate::read::{ReadRef, RelocationEncoding, RelocationKind, RelocationTarget, SymbolIndex};
-
-use super::{FileHeader, SectionHeader, XcoffFile};
-
-/// An iterator over the relocations in a `XcoffSection32`.
-pub type XcoffRelocationIterator32<'data, 'file, R = &'data [u8]> =
- XcoffRelocationIterator<'data, 'file, xcoff::FileHeader32, R>;
-/// An iterator over the relocations in a `XcoffSection64`.
-pub type XcoffRelocationIterator64<'data, 'file, R = &'data [u8]> =
- XcoffRelocationIterator<'data, 'file, xcoff::FileHeader64, R>;
-
-/// An iterator over the relocations in a `XcoffSection`.
-pub struct XcoffRelocationIterator<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- #[allow(unused)]
- pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
- pub(super) relocations:
- slice::Iter<'data, <<Xcoff as FileHeader>::SectionHeader as SectionHeader>::Rel>,
-}
-
-impl<'data, 'file, Xcoff, R> Iterator for XcoffRelocationIterator<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type Item = (u64, Relocation);
-
- fn next(&mut self) -> Option<Self::Item> {
- self.relocations.next().map(|relocation| {
- let encoding = RelocationEncoding::Generic;
- let (kind, addend) = match relocation.r_rtype() {
- xcoff::R_POS
- | xcoff::R_RL
- | xcoff::R_RLA
- | xcoff::R_BA
- | xcoff::R_RBA
- | xcoff::R_TLS => (RelocationKind::Absolute, 0),
- xcoff::R_REL | xcoff::R_BR | xcoff::R_RBR => (RelocationKind::Relative, -4),
- xcoff::R_TOC | xcoff::R_TOCL | xcoff::R_TOCU => (RelocationKind::Got, 0),
- r_type => (RelocationKind::Xcoff(r_type), 0),
- };
- let size = (relocation.r_rsize() & 0x3F) + 1;
- let target = RelocationTarget::Symbol(SymbolIndex(relocation.r_symndx() as usize));
- (
- relocation.r_vaddr().into(),
- Relocation {
- kind,
- encoding,
- size,
- target,
- addend,
- implicit_addend: true,
- },
- )
- })
- }
-}
-
-impl<'data, 'file, Xcoff, R> fmt::Debug for XcoffRelocationIterator<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- f.debug_struct("XcoffRelocationIterator").finish()
- }
-}
-
-/// A trait for generic access to `Rel32` and `Rel64`.
-#[allow(missing_docs)]
-pub trait Rel: Debug + Pod {
- type Word: Into<u64>;
- fn r_vaddr(&self) -> Self::Word;
- fn r_symndx(&self) -> u32;
- fn r_rsize(&self) -> u8;
- fn r_rtype(&self) -> u8;
-}
-
-impl Rel for xcoff::Rel32 {
- type Word = u32;
-
- fn r_vaddr(&self) -> Self::Word {
- self.r_vaddr.get(BE)
- }
-
- fn r_symndx(&self) -> u32 {
- self.r_symndx.get(BE)
- }
-
- fn r_rsize(&self) -> u8 {
- self.r_rsize
- }
-
- fn r_rtype(&self) -> u8 {
- self.r_rtype
- }
-}
-
-impl Rel for xcoff::Rel64 {
- type Word = u64;
-
- fn r_vaddr(&self) -> Self::Word {
- self.r_vaddr.get(BE)
- }
-
- fn r_symndx(&self) -> u32 {
- self.r_symndx.get(BE)
- }
-
- fn r_rsize(&self) -> u8 {
- self.r_rsize
- }
-
- fn r_rtype(&self) -> u8 {
- self.r_rtype
- }
-}
diff --git a/vendor/object-0.31.1/src/read/xcoff/section.rs b/vendor/object-0.31.1/src/read/xcoff/section.rs
deleted file mode 100644
index 77453fcd2..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/section.rs
+++ /dev/null
@@ -1,427 +0,0 @@
-use core::fmt::Debug;
-use core::{iter, result, slice, str};
-
-use crate::{
- xcoff, BigEndian as BE, CompressedData, CompressedFileRange, Pod, SectionFlags, SectionKind,
-};
-
-use crate::read::{self, Error, ObjectSection, ReadError, ReadRef, Result, SectionIndex};
-
-use super::{AuxHeader, FileHeader, Rel, XcoffFile, XcoffRelocationIterator};
-
-/// An iterator over the sections of an `XcoffFile32`.
-pub type XcoffSectionIterator32<'data, 'file, R = &'data [u8]> =
- XcoffSectionIterator<'data, 'file, xcoff::FileHeader32, R>;
-/// An iterator over the sections of an `XcoffFile64`.
-pub type XcoffSectionIterator64<'data, 'file, R = &'data [u8]> =
- XcoffSectionIterator<'data, 'file, xcoff::FileHeader64, R>;
-
-/// An iterator over the sections of an `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffSectionIterator<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
- pub(super) iter: iter::Enumerate<slice::Iter<'data, Xcoff::SectionHeader>>,
-}
-
-impl<'data, 'file, Xcoff, R> Iterator for XcoffSectionIterator<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type Item = XcoffSection<'data, 'file, Xcoff, R>;
-
- fn next(&mut self) -> Option<Self::Item> {
- self.iter.next().map(|(index, section)| XcoffSection {
- index: SectionIndex(index + 1),
- file: self.file,
- section,
- })
- }
-}
-
-/// A section of an `XcoffFile32`.
-pub type XcoffSection32<'data, 'file, R = &'data [u8]> =
- XcoffSection<'data, 'file, xcoff::FileHeader32, R>;
-/// A section of an `XcoffFile64`.
-pub type XcoffSection64<'data, 'file, R = &'data [u8]> =
- XcoffSection<'data, 'file, xcoff::FileHeader64, R>;
-
-/// A section of an `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffSection<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
- pub(super) section: &'data Xcoff::SectionHeader,
- pub(super) index: SectionIndex,
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> XcoffSection<'data, 'file, Xcoff, R> {
- fn bytes(&self) -> Result<&'data [u8]> {
- self.section
- .data(self.file.data)
- .read_error("Invalid XCOFF section offset or size")
- }
-}
-
-impl<'data, 'file, Xcoff, R> read::private::Sealed for XcoffSection<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Xcoff, R> ObjectSection<'data> for XcoffSection<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type RelocationIterator = XcoffRelocationIterator<'data, 'file, Xcoff, R>;
-
- fn index(&self) -> SectionIndex {
- self.index
- }
-
- fn address(&self) -> u64 {
- self.section.s_paddr().into()
- }
-
- fn size(&self) -> u64 {
- self.section.s_size().into()
- }
-
- fn align(&self) -> u64 {
- // The default section alignment is 4.
- if let Some(aux_header) = self.file.aux_header {
- match self.kind() {
- SectionKind::Text => aux_header.o_algntext().into(),
- SectionKind::Data => aux_header.o_algndata().into(),
- _ => 4,
- }
- } else {
- 4
- }
- }
-
- fn file_range(&self) -> Option<(u64, u64)> {
- self.section.file_range()
- }
-
- fn data(&self) -> Result<&'data [u8]> {
- self.bytes()
- }
-
- fn data_range(&self, address: u64, size: u64) -> Result<Option<&'data [u8]>> {
- Ok(read::util::data_range(
- self.bytes()?,
- self.address(),
- address,
- size,
- ))
- }
-
- fn compressed_file_range(&self) -> Result<CompressedFileRange> {
- Ok(CompressedFileRange::none(self.file_range()))
- }
-
- fn compressed_data(&self) -> Result<CompressedData<'data>> {
- self.data().map(CompressedData::none)
- }
-
- fn name_bytes(&self) -> read::Result<&[u8]> {
- Ok(self.section.name())
- }
-
- fn name(&self) -> read::Result<&str> {
- let name = self.name_bytes()?;
- str::from_utf8(name)
- .ok()
- .read_error("Non UTF-8 XCOFF section name")
- }
-
- fn segment_name_bytes(&self) -> Result<Option<&[u8]>> {
- Ok(None)
- }
-
- fn segment_name(&self) -> Result<Option<&str>> {
- Ok(None)
- }
-
- fn kind(&self) -> SectionKind {
- let section_type = self.section.s_flags() as u16;
- if section_type & xcoff::STYP_TEXT != 0 {
- SectionKind::Text
- } else if section_type & xcoff::STYP_DATA != 0 {
- SectionKind::Data
- } else if section_type & xcoff::STYP_TDATA != 0 {
- SectionKind::Tls
- } else if section_type & xcoff::STYP_BSS != 0 {
- SectionKind::UninitializedData
- } else if section_type & xcoff::STYP_TBSS != 0 {
- SectionKind::UninitializedTls
- } else if section_type & (xcoff::STYP_DEBUG | xcoff::STYP_DWARF) != 0 {
- SectionKind::Debug
- } else if section_type & (xcoff::STYP_LOADER | xcoff::STYP_OVRFLO) != 0 {
- SectionKind::Metadata
- } else if section_type
- & (xcoff::STYP_INFO | xcoff::STYP_EXCEPT | xcoff::STYP_PAD | xcoff::STYP_TYPCHK)
- != 0
- {
- SectionKind::Other
- } else {
- SectionKind::Unknown
- }
- }
-
- fn relocations(&self) -> Self::RelocationIterator {
- let rel = self.section.relocations(self.file.data).unwrap_or(&[]);
- XcoffRelocationIterator {
- file: self.file,
- relocations: rel.iter(),
- }
- }
-
- fn flags(&self) -> SectionFlags {
- SectionFlags::Xcoff {
- s_flags: self.section.s_flags(),
- }
- }
-
- fn uncompressed_data(&self) -> Result<alloc::borrow::Cow<'data, [u8]>> {
- self.compressed_data()?.decompress()
- }
-}
-
-/// The table of section headers in an XCOFF file.
-#[derive(Debug, Clone, Copy)]
-pub struct SectionTable<'data, Xcoff: FileHeader> {
- sections: &'data [Xcoff::SectionHeader],
-}
-
-impl<'data, Xcoff> Default for SectionTable<'data, Xcoff>
-where
- Xcoff: FileHeader,
-{
- fn default() -> Self {
- Self { sections: &[] }
- }
-}
-
-impl<'data, Xcoff> SectionTable<'data, Xcoff>
-where
- Xcoff: FileHeader,
-{
- /// Parse the section table.
- ///
- /// `data` must be the entire file data.
- /// `offset` must be after the optional file header.
- pub fn parse<R: ReadRef<'data>>(header: &Xcoff, data: R, offset: &mut u64) -> Result<Self> {
- let section_num = header.f_nscns();
- if section_num == 0 {
- return Ok(SectionTable::default());
- }
- let sections = data
- .read_slice(offset, section_num as usize)
- .read_error("Invalid XCOFF section headers")?;
- Ok(SectionTable { sections })
- }
-
- /// Iterate over the section headers.
- #[inline]
- pub fn iter(&self) -> slice::Iter<'data, Xcoff::SectionHeader> {
- self.sections.iter()
- }
-
- /// Return true if the section table is empty.
- #[inline]
- pub fn is_empty(&self) -> bool {
- self.sections.is_empty()
- }
-
- /// The number of section headers.
- #[inline]
- pub fn len(&self) -> usize {
- self.sections.len()
- }
-
- /// Return the section header at the given index.
- ///
- /// The index is 1-based.
- pub fn section(&self, index: SectionIndex) -> read::Result<&'data Xcoff::SectionHeader> {
- self.sections
- .get(index.0.wrapping_sub(1))
- .read_error("Invalid XCOFF section index")
- }
-}
-
-/// A trait for generic access to `SectionHeader32` and `SectionHeader64`.
-#[allow(missing_docs)]
-pub trait SectionHeader: Debug + Pod {
- type Word: Into<u64>;
- type HalfWord: Into<u32>;
- type Xcoff: FileHeader<SectionHeader = Self, Word = Self::Word>;
- type Rel: Rel<Word = Self::Word>;
-
- fn s_name(&self) -> &[u8; 8];
- fn s_paddr(&self) -> Self::Word;
- fn s_vaddr(&self) -> Self::Word;
- fn s_size(&self) -> Self::Word;
- fn s_scnptr(&self) -> Self::Word;
- fn s_relptr(&self) -> Self::Word;
- fn s_lnnoptr(&self) -> Self::Word;
- fn s_nreloc(&self) -> Self::HalfWord;
- fn s_nlnno(&self) -> Self::HalfWord;
- fn s_flags(&self) -> u32;
-
- /// Return the section name.
- fn name(&self) -> &[u8] {
- let sectname = &self.s_name()[..];
- match memchr::memchr(b'\0', sectname) {
- Some(end) => &sectname[..end],
- None => sectname,
- }
- }
-
- /// Return the offset and size of the section in the file.
- fn file_range(&self) -> Option<(u64, u64)> {
- Some((self.s_scnptr().into(), self.s_size().into()))
- }
-
- /// Return the section data.
- ///
- /// Returns `Ok(&[])` if the section has no data.
- /// Returns `Err` for invalid values.
- fn data<'data, R: ReadRef<'data>>(&self, data: R) -> result::Result<&'data [u8], ()> {
- if let Some((offset, size)) = self.file_range() {
- data.read_bytes_at(offset, size)
- } else {
- Ok(&[])
- }
- }
-
- /// Read the relocations.
- fn relocations<'data, R: ReadRef<'data>>(&self, data: R) -> read::Result<&'data [Self::Rel]>;
-}
-
-impl SectionHeader for xcoff::SectionHeader32 {
- type Word = u32;
- type HalfWord = u16;
- type Xcoff = xcoff::FileHeader32;
- type Rel = xcoff::Rel32;
-
- fn s_name(&self) -> &[u8; 8] {
- &self.s_name
- }
-
- fn s_paddr(&self) -> Self::Word {
- self.s_paddr.get(BE)
- }
-
- fn s_vaddr(&self) -> Self::Word {
- self.s_vaddr.get(BE)
- }
-
- fn s_size(&self) -> Self::Word {
- self.s_size.get(BE)
- }
-
- fn s_scnptr(&self) -> Self::Word {
- self.s_scnptr.get(BE)
- }
-
- fn s_relptr(&self) -> Self::Word {
- self.s_relptr.get(BE)
- }
-
- fn s_lnnoptr(&self) -> Self::Word {
- self.s_lnnoptr.get(BE)
- }
-
- fn s_nreloc(&self) -> Self::HalfWord {
- self.s_nreloc.get(BE)
- }
-
- fn s_nlnno(&self) -> Self::HalfWord {
- self.s_nlnno.get(BE)
- }
-
- fn s_flags(&self) -> u32 {
- self.s_flags.get(BE)
- }
-
- /// Read the relocations in a XCOFF32 file.
- ///
- /// `data` must be the entire file data.
- fn relocations<'data, R: ReadRef<'data>>(&self, data: R) -> read::Result<&'data [Self::Rel]> {
- let reloc_num = self.s_nreloc() as usize;
- // TODO: If more than 65,534 relocation entries are required, the field value will be 65535,
- // and an STYP_OVRFLO section header will contain the actual count of relocation entries in
- // the s_paddr field.
- if reloc_num == 65535 {
- return Err(Error("Overflow section is not supported yet."));
- }
- data.read_slice_at(self.s_relptr().into(), reloc_num)
- .read_error("Invalid XCOFF relocation offset or number")
- }
-}
-
-impl SectionHeader for xcoff::SectionHeader64 {
- type Word = u64;
- type HalfWord = u32;
- type Xcoff = xcoff::FileHeader64;
- type Rel = xcoff::Rel64;
-
- fn s_name(&self) -> &[u8; 8] {
- &self.s_name
- }
-
- fn s_paddr(&self) -> Self::Word {
- self.s_paddr.get(BE)
- }
-
- fn s_vaddr(&self) -> Self::Word {
- self.s_vaddr.get(BE)
- }
-
- fn s_size(&self) -> Self::Word {
- self.s_size.get(BE)
- }
-
- fn s_scnptr(&self) -> Self::Word {
- self.s_scnptr.get(BE)
- }
-
- fn s_relptr(&self) -> Self::Word {
- self.s_relptr.get(BE)
- }
-
- fn s_lnnoptr(&self) -> Self::Word {
- self.s_lnnoptr.get(BE)
- }
-
- fn s_nreloc(&self) -> Self::HalfWord {
- self.s_nreloc.get(BE)
- }
-
- fn s_nlnno(&self) -> Self::HalfWord {
- self.s_nlnno.get(BE)
- }
-
- fn s_flags(&self) -> u32 {
- self.s_flags.get(BE)
- }
-
- /// Read the relocations in a XCOFF64 file.
- ///
- /// `data` must be the entire file data.
- fn relocations<'data, R: ReadRef<'data>>(&self, data: R) -> read::Result<&'data [Self::Rel]> {
- data.read_slice_at(self.s_relptr(), self.s_nreloc() as usize)
- .read_error("Invalid XCOFF relocation offset or number")
- }
-}
diff --git a/vendor/object-0.31.1/src/read/xcoff/segment.rs b/vendor/object-0.31.1/src/read/xcoff/segment.rs
deleted file mode 100644
index 7eca72367..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/segment.rs
+++ /dev/null
@@ -1,113 +0,0 @@
-//! TODO: Support the segment for XCOFF when auxiliary file header and loader section is ready.
-
-use core::fmt::Debug;
-use core::str;
-
-use crate::read::{self, ObjectSegment, ReadRef, Result};
-use crate::xcoff;
-
-use super::{FileHeader, XcoffFile};
-
-/// An iterator over the segments of an `XcoffFile32`.
-pub type XcoffSegmentIterator32<'data, 'file, R = &'data [u8]> =
- XcoffSegmentIterator<'data, 'file, xcoff::FileHeader32, R>;
-/// An iterator over the segments of an `XcoffFile64`.
-pub type XcoffSegmentIterator64<'data, 'file, R = &'data [u8]> =
- XcoffSegmentIterator<'data, 'file, xcoff::FileHeader64, R>;
-
-/// An iterator over the segments of an `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffSegmentIterator<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- #[allow(unused)]
- pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
-}
-
-impl<'data, 'file, Xcoff, R> Iterator for XcoffSegmentIterator<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- type Item = XcoffSegment<'data, 'file, Xcoff, R>;
-
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
-
-/// A segment of an `XcoffFile32`.
-pub type XcoffSegment32<'data, 'file, R = &'data [u8]> =
- XcoffSegment<'data, 'file, xcoff::FileHeader32, R>;
-/// A segment of an `XcoffFile64`.
-pub type XcoffSegment64<'data, 'file, R = &'data [u8]> =
- XcoffSegment<'data, 'file, xcoff::FileHeader64, R>;
-
-/// A loadable section of an `XcoffFile`.
-#[derive(Debug)]
-pub struct XcoffSegment<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- #[allow(unused)]
- pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
-}
-
-impl<'data, 'file, Xcoff, R> XcoffSegment<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Xcoff, R> read::private::Sealed for XcoffSegment<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Xcoff, R> ObjectSegment<'data> for XcoffSegment<'data, 'file, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- fn address(&self) -> u64 {
- unreachable!();
- }
-
- fn size(&self) -> u64 {
- unreachable!();
- }
-
- fn align(&self) -> u64 {
- unreachable!();
- }
-
- 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!();
- }
-
- fn name_bytes(&self) -> Result<Option<&[u8]>> {
- unreachable!();
- }
-
- fn name(&self) -> Result<Option<&str>> {
- unreachable!();
- }
-
- fn flags(&self) -> crate::SegmentFlags {
- unreachable!();
- }
-}
diff --git a/vendor/object-0.31.1/src/read/xcoff/symbol.rs b/vendor/object-0.31.1/src/read/xcoff/symbol.rs
deleted file mode 100644
index 7ce215fac..000000000
--- a/vendor/object-0.31.1/src/read/xcoff/symbol.rs
+++ /dev/null
@@ -1,695 +0,0 @@
-use alloc::fmt;
-use core::convert::TryInto;
-use core::fmt::Debug;
-use core::marker::PhantomData;
-use core::str;
-
-use crate::endian::{BigEndian as BE, U32Bytes};
-use crate::pod::{bytes_of, Pod};
-use crate::read::util::StringTable;
-use crate::xcoff;
-
-use crate::read::{
- self, Bytes, Error, ObjectSymbol, ObjectSymbolTable, ReadError, ReadRef, Result, SectionIndex,
- SymbolFlags, SymbolIndex, SymbolKind, SymbolScope, SymbolSection,
-};
-
-use super::{FileHeader, XcoffFile};
-
-/// A table of symbol entries in an XCOFF file.
-///
-/// Also includes the string table used for the symbol names.
-#[derive(Debug)]
-pub struct SymbolTable<'data, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- symbols: &'data [xcoff::SymbolBytes],
- strings: StringTable<'data, R>,
- header: PhantomData<Xcoff>,
-}
-
-impl<'data, Xcoff, R> Default for SymbolTable<'data, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- fn default() -> Self {
- Self {
- symbols: &[],
- strings: StringTable::default(),
- header: PhantomData,
- }
- }
-}
-
-impl<'data, Xcoff, R> SymbolTable<'data, Xcoff, R>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- /// Parse the symbol table.
- pub fn parse(header: Xcoff, data: R) -> Result<Self> {
- let mut offset = header.f_symptr().into();
- let (symbols, strings) = if offset != 0 {
- let symbols = data
- .read_slice(&mut offset, header.f_nsyms() as usize)
- .read_error("Invalid XCOFF symbol table offset or size")?;
-
- // Parse the string table.
- // Note: don't update data when reading length; the length includes itself.
- let length = data
- .read_at::<U32Bytes<_>>(offset)
- .read_error("Missing XCOFF string table")?
- .get(BE);
- let str_end = offset
- .checked_add(length as u64)
- .read_error("Invalid XCOFF string table length")?;
- let strings = StringTable::new(data, offset, str_end);
-
- (symbols, strings)
- } else {
- (&[][..], StringTable::default())
- };
-
- Ok(SymbolTable {
- symbols,
- strings,
- header: PhantomData,
- })
- }
-
- /// Return the symbol entry at the given index and offset.
- pub fn get<T: Pod>(&self, index: usize, offset: usize) -> Result<&'data T> {
- let entry = index
- .checked_add(offset)
- .and_then(|x| self.symbols.get(x))
- .read_error("Invalid XCOFF symbol index")?;
- let bytes = bytes_of(entry);
- Bytes(bytes).read().read_error("Invalid XCOFF symbol data")
- }
-
- /// Return the symbol at the given index.
- pub fn symbol(&self, index: usize) -> Result<&'data Xcoff::Symbol> {
- self.get::<Xcoff::Symbol>(index, 0)
- }
-
- /// Return a file auxiliary symbol.
- pub fn aux_file(&self, index: usize, offset: usize) -> Result<&'data Xcoff::FileAux> {
- debug_assert!(self.symbol(index)?.has_aux_file());
- let aux_file = self.get::<Xcoff::FileAux>(index, offset)?;
- if let Some(aux_type) = aux_file.x_auxtype() {
- if aux_type != xcoff::AUX_FILE {
- return Err(Error("Invalid index for file auxiliary symbol."));
- }
- }
- Ok(aux_file)
- }
-
- /// Return the csect auxiliary symbol.
- pub fn aux_csect(&self, index: usize, offset: usize) -> Result<&'data Xcoff::CsectAux> {
- debug_assert!(self.symbol(index)?.has_aux_csect());
- let aux_csect = self.get::<Xcoff::CsectAux>(index, offset)?;
- if let Some(aux_type) = aux_csect.x_auxtype() {
- if aux_type != xcoff::AUX_CSECT {
- return Err(Error("Invalid index/offset for csect auxiliary symbol."));
- }
- }
- Ok(aux_csect)
- }
-
- /// Return true if the symbol table is empty.
- #[inline]
- pub fn is_empty(&self) -> bool {
- self.symbols.is_empty()
- }
-
- /// The number of symbol table entries.
- ///
- /// This includes auxiliary symbol table entries.
- #[inline]
- pub fn len(&self) -> usize {
- self.symbols.len()
- }
-}
-
-/// A symbol table of an `XcoffFile32`.
-pub type XcoffSymbolTable32<'data, 'file, R = &'data [u8]> =
- XcoffSymbolTable<'data, 'file, xcoff::FileHeader32, R>;
-/// A symbol table of an `XcoffFile64`.
-pub type XcoffSymbolTable64<'data, 'file, R = &'data [u8]> =
- XcoffSymbolTable<'data, 'file, xcoff::FileHeader64, R>;
-
-/// A symbol table of an `XcoffFile`.
-#[derive(Debug, Clone, Copy)]
-pub struct XcoffSymbolTable<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- pub(crate) file: &'file XcoffFile<'data, Xcoff, R>,
- pub(super) symbols: &'file SymbolTable<'data, Xcoff, R>,
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> read::private::Sealed
- for XcoffSymbolTable<'data, 'file, Xcoff, R>
-{
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> ObjectSymbolTable<'data>
- for XcoffSymbolTable<'data, 'file, Xcoff, R>
-{
- type Symbol = XcoffSymbol<'data, 'file, Xcoff, R>;
- type SymbolIterator = XcoffSymbolIterator<'data, 'file, Xcoff, R>;
-
- fn symbols(&self) -> Self::SymbolIterator {
- XcoffSymbolIterator {
- file: self.file,
- symbols: self.symbols,
- index: 0,
- }
- }
-
- fn symbol_by_index(&self, index: SymbolIndex) -> read::Result<Self::Symbol> {
- let symbol = self.symbols.symbol(index.0)?;
- Ok(XcoffSymbol {
- file: self.file,
- symbols: self.symbols,
- index,
- symbol,
- })
- }
-}
-
-/// An iterator over the symbols of an `XcoffFile32`.
-pub type XcoffSymbolIterator32<'data, 'file, R = &'data [u8]> =
- XcoffSymbolIterator<'data, 'file, xcoff::FileHeader32, R>;
-/// An iterator over the symbols of an `XcoffFile64`.
-pub type XcoffSymbolIterator64<'data, 'file, R = &'data [u8]> =
- XcoffSymbolIterator<'data, 'file, xcoff::FileHeader64, R>;
-
-/// An iterator over the symbols of an `XcoffFile`.
-pub struct XcoffSymbolIterator<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- pub(crate) file: &'file XcoffFile<'data, Xcoff, R>,
- pub(super) symbols: &'file SymbolTable<'data, Xcoff, R>,
- pub(super) index: usize,
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> fmt::Debug
- for XcoffSymbolIterator<'data, 'file, Xcoff, R>
-{
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- f.debug_struct("XcoffSymbolIterator").finish()
- }
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> Iterator
- for XcoffSymbolIterator<'data, 'file, Xcoff, R>
-{
- type Item = XcoffSymbol<'data, 'file, Xcoff, R>;
-
- fn next(&mut self) -> Option<Self::Item> {
- let index = self.index;
- let symbol = self.symbols.symbol(index).ok()?;
- // TODO: skip over the auxiliary symbols for now.
- self.index += 1 + symbol.n_numaux() as usize;
- Some(XcoffSymbol {
- file: self.file,
- symbols: self.symbols,
- index: SymbolIndex(index),
- symbol,
- })
- }
-}
-
-/// A symbol of an `XcoffFile32`.
-pub type XcoffSymbol32<'data, 'file, R = &'data [u8]> =
- XcoffSymbol<'data, 'file, xcoff::FileHeader32, R>;
-/// A symbol of an `XcoffFile64`.
-pub type XcoffSymbol64<'data, 'file, R = &'data [u8]> =
- XcoffSymbol<'data, 'file, xcoff::FileHeader64, R>;
-
-/// A symbol of an `XcoffFile`.
-#[derive(Debug, Clone, Copy)]
-pub struct XcoffSymbol<'data, 'file, Xcoff, R = &'data [u8]>
-where
- Xcoff: FileHeader,
- R: ReadRef<'data>,
-{
- pub(crate) file: &'file XcoffFile<'data, Xcoff, R>,
- pub(super) symbols: &'file SymbolTable<'data, Xcoff, R>,
- pub(super) index: SymbolIndex,
- pub(super) symbol: &'data Xcoff::Symbol,
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> read::private::Sealed
- for XcoffSymbol<'data, 'file, Xcoff, R>
-{
-}
-
-impl<'data, 'file, Xcoff: FileHeader, R: ReadRef<'data>> ObjectSymbol<'data>
- for XcoffSymbol<'data, 'file, Xcoff, R>
-{
- #[inline]
- fn index(&self) -> SymbolIndex {
- self.index
- }
-
- fn name_bytes(&self) -> Result<&'data [u8]> {
- if self.symbol.has_aux_file() {
- // By convention the file name is in the first auxiliary entry.
- self.symbols
- .aux_file(self.index.0, 1)?
- .fname(self.symbols.strings)
- } else {
- self.symbol.name(self.symbols.strings)
- }
- }
-
- fn name(&self) -> Result<&'data str> {
- let name = self.name_bytes()?;
- str::from_utf8(name)
- .ok()
- .read_error("Non UTF-8 XCOFF symbol name")
- }
-
- #[inline]
- fn address(&self) -> u64 {
- match self.symbol.n_sclass() {
- // Relocatable address.
- xcoff::C_EXT
- | xcoff::C_WEAKEXT
- | xcoff::C_HIDEXT
- | xcoff::C_FCN
- | xcoff::C_BLOCK
- | xcoff::C_STAT
- | xcoff::C_INFO => self.symbol.n_value().into(),
- _ => 0,
- }
- }
-
- #[inline]
- fn size(&self) -> u64 {
- if self.symbol.has_aux_csect() {
- // XCOFF32 must have the csect auxiliary entry as the last auxiliary entry.
- // XCOFF64 doesn't require this, but conventionally does.
- if let Ok(aux_csect) = self
- .file
- .symbols
- .aux_csect(self.index.0, self.symbol.n_numaux() as usize)
- {
- let sym_type = aux_csect.sym_type() & 0x07;
- if sym_type == xcoff::XTY_SD || sym_type == xcoff::XTY_CM {
- return aux_csect.x_scnlen();
- }
- }
- }
- 0
- }
-
- fn kind(&self) -> SymbolKind {
- if self.symbol.has_aux_csect() {
- if let Ok(aux_csect) = self
- .file
- .symbols
- .aux_csect(self.index.0, self.symbol.n_numaux() as usize)
- {
- let sym_type = aux_csect.sym_type() & 0x07;
- if sym_type == xcoff::XTY_SD || sym_type == xcoff::XTY_CM {
- return match aux_csect.x_smclas() {
- xcoff::XMC_PR | xcoff::XMC_GL => SymbolKind::Text,
- xcoff::XMC_RO | xcoff::XMC_RW | xcoff::XMC_TD | xcoff::XMC_BS => {
- SymbolKind::Data
- }
- xcoff::XMC_TL | xcoff::XMC_UL => SymbolKind::Tls,
- xcoff::XMC_DS | xcoff::XMC_TC0 | xcoff::XMC_TC => {
- // `Metadata` might be a better kind for these if we had it.
- SymbolKind::Data
- }
- _ => SymbolKind::Unknown,
- };
- } else if sym_type == xcoff::XTY_LD {
- // A function entry point. Neither `Text` nor `Label` are a good fit for this.
- return SymbolKind::Text;
- } else if sym_type == xcoff::XTY_ER {
- return SymbolKind::Unknown;
- }
- }
- }
- match self.symbol.n_sclass() {
- xcoff::C_NULL => SymbolKind::Null,
- xcoff::C_FILE => SymbolKind::File,
- _ => SymbolKind::Unknown,
- }
- }
-
- fn section(&self) -> SymbolSection {
- match self.symbol.n_scnum() {
- xcoff::N_ABS => SymbolSection::Absolute,
- xcoff::N_UNDEF => SymbolSection::Undefined,
- xcoff::N_DEBUG => SymbolSection::None,
- index if index > 0 => SymbolSection::Section(SectionIndex(index as usize)),
- _ => SymbolSection::Unknown,
- }
- }
-
- #[inline]
- fn is_undefined(&self) -> bool {
- self.symbol.is_undefined()
- }
-
- /// Return true if the symbol is a definition of a function or data object.
- #[inline]
- fn is_definition(&self) -> bool {
- if self.symbol.has_aux_csect() {
- if let Ok(aux_csect) = self
- .symbols
- .aux_csect(self.index.0, self.symbol.n_numaux() as usize)
- {
- let smclas = aux_csect.x_smclas();
- self.symbol.n_scnum() != xcoff::N_UNDEF
- && (smclas == xcoff::XMC_PR
- || smclas == xcoff::XMC_RW
- || smclas == xcoff::XMC_RO)
- } else {
- false
- }
- } else {
- false
- }
- }
-
- #[inline]
- fn is_common(&self) -> bool {
- self.symbol.n_sclass() == xcoff::C_EXT && self.symbol.n_scnum() == xcoff::N_UNDEF
- }
-
- #[inline]
- fn is_weak(&self) -> bool {
- self.symbol.n_sclass() == xcoff::C_WEAKEXT
- }
-
- fn scope(&self) -> SymbolScope {
- if self.symbol.n_scnum() == xcoff::N_UNDEF {
- SymbolScope::Unknown
- } else {
- match self.symbol.n_sclass() {
- xcoff::C_EXT | xcoff::C_WEAKEXT | xcoff::C_HIDEXT => {
- let visibility = self.symbol.n_type() & xcoff::SYM_V_MASK;
- if visibility == xcoff::SYM_V_HIDDEN {
- SymbolScope::Linkage
- } else {
- SymbolScope::Dynamic
- }
- }
- _ => SymbolScope::Compilation,
- }
- }
- }
-
- #[inline]
- fn is_global(&self) -> bool {
- match self.symbol.n_sclass() {
- xcoff::C_EXT | xcoff::C_WEAKEXT => true,
- _ => false,
- }
- }
-
- #[inline]
- fn is_local(&self) -> bool {
- !self.is_global()
- }
-
- #[inline]
- fn flags(&self) -> SymbolFlags<SectionIndex, SymbolIndex> {
- let mut x_smtyp = 0;
- let mut x_smclas = 0;
- let mut containing_csect = None;
- if self.symbol.has_aux_csect() {
- if let Ok(aux_csect) = self
- .file
- .symbols
- .aux_csect(self.index.0, self.symbol.n_numaux() as usize)
- {
- x_smtyp = aux_csect.x_smtyp();
- x_smclas = aux_csect.x_smclas();
- if x_smtyp == xcoff::XTY_LD {
- containing_csect = Some(SymbolIndex(aux_csect.x_scnlen() as usize))
- }
- }
- }
- SymbolFlags::Xcoff {
- n_sclass: self.symbol.n_sclass(),
- x_smtyp,
- x_smclas,
- containing_csect,
- }
- }
-}
-
-/// A trait for generic access to `Symbol32` and `Symbol64`.
-#[allow(missing_docs)]
-pub trait Symbol: Debug + Pod {
- type Word: Into<u64>;
-
- fn n_value(&self) -> Self::Word;
- fn n_scnum(&self) -> i16;
- fn n_type(&self) -> u16;
- fn n_sclass(&self) -> u8;
- fn n_numaux(&self) -> u8;
-
- fn name<'data, R: ReadRef<'data>>(
- &'data self,
- strings: StringTable<'data, R>,
- ) -> Result<&'data [u8]>;
-
- /// Return true if the symbol is undefined.
- #[inline]
- fn is_undefined(&self) -> bool {
- let n_sclass = self.n_sclass();
- (n_sclass == xcoff::C_EXT || n_sclass == xcoff::C_WEAKEXT)
- && self.n_scnum() == xcoff::N_UNDEF
- }
-
- /// Return true if the symbol has file auxiliary entry.
- fn has_aux_file(&self) -> bool {
- self.n_numaux() > 0 && self.n_sclass() == xcoff::C_FILE
- }
-
- /// Return true if the symbol has csect auxiliary entry.
- ///
- /// A csect auxiliary entry is required for each symbol table entry that has
- /// a storage class value of C_EXT, C_WEAKEXT, or C_HIDEXT.
- fn has_aux_csect(&self) -> bool {
- let sclass = self.n_sclass();
- self.n_numaux() > 0
- && (sclass == xcoff::C_EXT || sclass == xcoff::C_WEAKEXT || sclass == xcoff::C_HIDEXT)
- }
-}
-
-impl Symbol for xcoff::Symbol64 {
- type Word = u64;
-
- fn n_value(&self) -> Self::Word {
- self.n_value.get(BE)
- }
-
- fn n_scnum(&self) -> i16 {
- self.n_scnum.get(BE)
- }
-
- fn n_type(&self) -> u16 {
- self.n_type.get(BE)
- }
-
- fn n_sclass(&self) -> u8 {
- self.n_sclass
- }
-
- fn n_numaux(&self) -> u8 {
- self.n_numaux
- }
-
- /// Parse the symbol name for XCOFF64.
- fn name<'data, R: ReadRef<'data>>(
- &'data self,
- strings: StringTable<'data, R>,
- ) -> Result<&'data [u8]> {
- strings
- .get(self.n_offset.get(BE))
- .read_error("Invalid XCOFF symbol name offset")
- }
-}
-
-impl Symbol for xcoff::Symbol32 {
- type Word = u32;
-
- fn n_value(&self) -> Self::Word {
- self.n_value.get(BE)
- }
-
- fn n_scnum(&self) -> i16 {
- self.n_scnum.get(BE)
- }
-
- fn n_type(&self) -> u16 {
- self.n_type.get(BE)
- }
-
- fn n_sclass(&self) -> u8 {
- self.n_sclass
- }
-
- fn n_numaux(&self) -> u8 {
- self.n_numaux
- }
-
- /// Parse the symbol name for XCOFF32.
- fn name<'data, R: ReadRef<'data>>(
- &'data self,
- strings: StringTable<'data, R>,
- ) -> Result<&'data [u8]> {
- if self.n_name[0] == 0 {
- // If the name starts with 0 then the last 4 bytes are a string table offset.
- let offset = u32::from_be_bytes(self.n_name[4..8].try_into().unwrap());
- strings
- .get(offset)
- .read_error("Invalid XCOFF symbol name offset")
- } else {
- // The name is inline and padded with nulls.
- Ok(match memchr::memchr(b'\0', &self.n_name) {
- Some(end) => &self.n_name[..end],
- None => &self.n_name,
- })
- }
- }
-}
-
-/// A trait for generic access to `FileAux32` and `FileAux64`.
-#[allow(missing_docs)]
-pub trait FileAux: Debug + Pod {
- fn x_fname(&self) -> &[u8; 8];
- fn x_ftype(&self) -> u8;
- fn x_auxtype(&self) -> Option<u8>;
-
- /// Parse the x_fname field, which may be an inline string or a string table offset.
- fn fname<'data, R: ReadRef<'data>>(
- &'data self,
- strings: StringTable<'data, R>,
- ) -> Result<&'data [u8]> {
- let x_fname = self.x_fname();
- if x_fname[0] == 0 {
- // If the name starts with 0 then the last 4 bytes are a string table offset.
- let offset = u32::from_be_bytes(x_fname[4..8].try_into().unwrap());
- strings
- .get(offset)
- .read_error("Invalid XCOFF symbol name offset")
- } else {
- // The name is inline and padded with nulls.
- Ok(match memchr::memchr(b'\0', x_fname) {
- Some(end) => &x_fname[..end],
- None => x_fname,
- })
- }
- }
-}
-
-impl FileAux for xcoff::FileAux64 {
- fn x_fname(&self) -> &[u8; 8] {
- &self.x_fname
- }
-
- fn x_ftype(&self) -> u8 {
- self.x_ftype
- }
-
- fn x_auxtype(&self) -> Option<u8> {
- Some(self.x_auxtype)
- }
-}
-
-impl FileAux for xcoff::FileAux32 {
- fn x_fname(&self) -> &[u8; 8] {
- &self.x_fname
- }
-
- fn x_ftype(&self) -> u8 {
- self.x_ftype
- }
-
- fn x_auxtype(&self) -> Option<u8> {
- None
- }
-}
-
-/// A trait for generic access to `CsectAux32` and `CsectAux64`.
-#[allow(missing_docs)]
-pub trait CsectAux: Debug + Pod {
- fn x_scnlen(&self) -> u64;
- fn x_parmhash(&self) -> u32;
- fn x_snhash(&self) -> u16;
- fn x_smtyp(&self) -> u8;
- fn x_smclas(&self) -> u8;
- fn x_auxtype(&self) -> Option<u8>;
-
- fn sym_type(&self) -> u8 {
- self.x_smtyp() & 0x07
- }
-}
-
-impl CsectAux for xcoff::CsectAux64 {
- fn x_scnlen(&self) -> u64 {
- self.x_scnlen_lo.get(BE) as u64 | ((self.x_scnlen_hi.get(BE) as u64) << 32)
- }
-
- fn x_parmhash(&self) -> u32 {
- self.x_parmhash.get(BE)
- }
-
- fn x_snhash(&self) -> u16 {
- self.x_snhash.get(BE)
- }
-
- fn x_smtyp(&self) -> u8 {
- self.x_smtyp
- }
-
- fn x_smclas(&self) -> u8 {
- self.x_smclas
- }
-
- fn x_auxtype(&self) -> Option<u8> {
- Some(self.x_auxtype)
- }
-}
-
-impl CsectAux for xcoff::CsectAux32 {
- fn x_scnlen(&self) -> u64 {
- self.x_scnlen.get(BE) as u64
- }
-
- fn x_parmhash(&self) -> u32 {
- self.x_parmhash.get(BE)
- }
-
- fn x_snhash(&self) -> u16 {
- self.x_snhash.get(BE)
- }
-
- fn x_smtyp(&self) -> u8 {
- self.x_smtyp
- }
-
- fn x_smclas(&self) -> u8 {
- self.x_smclas
- }
-
- fn x_auxtype(&self) -> Option<u8> {
- None
- }
-}