diff options
Diffstat (limited to 'vendor/gimli-0.27.3/src/common.rs')
| -rw-r--r-- | vendor/gimli-0.27.3/src/common.rs | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/vendor/gimli-0.27.3/src/common.rs b/vendor/gimli-0.27.3/src/common.rs deleted file mode 100644 index 3c8073622..000000000 --- a/vendor/gimli-0.27.3/src/common.rs +++ /dev/null @@ -1,381 +0,0 @@ -/// Whether the format of a compilation unit is 32- or 64-bit. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub enum Format { - /// 64-bit DWARF - Dwarf64 = 8, - /// 32-bit DWARF - Dwarf32 = 4, -} - -impl Format { - /// Return the serialized size of an initial length field for the format. - #[inline] - pub fn initial_length_size(self) -> u8 { - match self { - Format::Dwarf32 => 4, - Format::Dwarf64 => 12, - } - } - - /// Return the natural word size for the format - #[inline] - pub fn word_size(self) -> u8 { - match self { - Format::Dwarf32 => 4, - Format::Dwarf64 => 8, - } - } -} - -/// Encoding parameters that are commonly used for multiple DWARF sections. -/// -/// This is intended to be small enough to pass by value. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -// `address_size` and `format` are used more often than `version`, so keep -// them first. -#[repr(C)] -pub struct Encoding { - /// The size of an address. - pub address_size: u8, - - // The size of a segment selector. - // TODO: pub segment_size: u8, - /// Whether the DWARF format is 32- or 64-bit. - pub format: Format, - - /// The DWARF version of the header. - pub version: u16, -} - -/// Encoding parameters for a line number program. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct LineEncoding { - /// The size in bytes of the smallest target machine instruction. - pub minimum_instruction_length: u8, - - /// The maximum number of individual operations that may be encoded in an - /// instruction. - pub maximum_operations_per_instruction: u8, - - /// The initial value of the `is_stmt` register. - pub default_is_stmt: bool, - - /// The minimum value which a special opcode can add to the line register. - pub line_base: i8, - - /// The range of values which a special opcode can add to the line register. - pub line_range: u8, -} - -impl Default for LineEncoding { - fn default() -> Self { - // Values from LLVM. - LineEncoding { - minimum_instruction_length: 1, - maximum_operations_per_instruction: 1, - default_is_stmt: true, - line_base: -5, - line_range: 14, - } - } -} - -/// A DWARF register number. -/// -/// The meaning of this value is ABI dependent. This is generally encoded as -/// a ULEB128, but supported architectures need 16 bits at most. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)] -pub struct Register(pub u16); - -/// An offset into the `.debug_abbrev` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct DebugAbbrevOffset<T = usize>(pub T); - -/// An offset to a set of entries in the `.debug_addr` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugAddrBase<T = usize>(pub T); - -/// An index into a set of addresses in the `.debug_addr` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugAddrIndex<T = usize>(pub T); - -/// An offset into the `.debug_aranges` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugArangesOffset<T = usize>(pub T); - -/// An offset into the `.debug_info` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash)] -pub struct DebugInfoOffset<T = usize>(pub T); - -/// An offset into the `.debug_line` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugLineOffset<T = usize>(pub T); - -/// An offset into the `.debug_line_str` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugLineStrOffset<T = usize>(pub T); - -/// An offset into either the `.debug_loc` section or the `.debug_loclists` section, -/// depending on the version of the unit the offset was contained in. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct LocationListsOffset<T = usize>(pub T); - -/// An offset to a set of location list offsets in the `.debug_loclists` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugLocListsBase<T = usize>(pub T); - -/// An index into a set of location list offsets in the `.debug_loclists` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugLocListsIndex<T = usize>(pub T); - -/// An offset into the `.debug_macinfo` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct DebugMacinfoOffset<T = usize>(pub T); - -/// An offset into the `.debug_macro` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct DebugMacroOffset<T = usize>(pub T); - -/// An offset into either the `.debug_ranges` section or the `.debug_rnglists` section, -/// depending on the version of the unit the offset was contained in. -/// -/// If this is from a DWARF 4 DWO file, then it must additionally be offset by the -/// value of `DW_AT_GNU_ranges_base`. You can use `Dwarf::ranges_offset_from_raw` to do this. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct RawRangeListsOffset<T = usize>(pub T); - -/// An offset into either the `.debug_ranges` section or the `.debug_rnglists` section, -/// depending on the version of the unit the offset was contained in. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct RangeListsOffset<T = usize>(pub T); - -/// An offset to a set of range list offsets in the `.debug_rnglists` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugRngListsBase<T = usize>(pub T); - -/// An index into a set of range list offsets in the `.debug_rnglists` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugRngListsIndex<T = usize>(pub T); - -/// An offset into the `.debug_str` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugStrOffset<T = usize>(pub T); - -/// An offset to a set of entries in the `.debug_str_offsets` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugStrOffsetsBase<T = usize>(pub T); - -/// An index into a set of entries in the `.debug_str_offsets` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct DebugStrOffsetsIndex<T = usize>(pub T); - -/// An offset into the `.debug_types` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash)] -pub struct DebugTypesOffset<T = usize>(pub T); - -/// A type signature as used in the `.debug_types` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct DebugTypeSignature(pub u64); - -/// An offset into the `.debug_frame` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct DebugFrameOffset<T = usize>(pub T); - -impl<T> From<T> for DebugFrameOffset<T> { - #[inline] - fn from(o: T) -> Self { - DebugFrameOffset(o) - } -} - -/// An offset into the `.eh_frame` section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct EhFrameOffset<T = usize>(pub T); - -impl<T> From<T> for EhFrameOffset<T> { - #[inline] - fn from(o: T) -> Self { - EhFrameOffset(o) - } -} - -/// An offset into the `.debug_info` or `.debug_types` sections. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash)] -pub enum UnitSectionOffset<T = usize> { - /// An offset into the `.debug_info` section. - DebugInfoOffset(DebugInfoOffset<T>), - /// An offset into the `.debug_types` section. - DebugTypesOffset(DebugTypesOffset<T>), -} - -impl<T> From<DebugInfoOffset<T>> for UnitSectionOffset<T> { - fn from(offset: DebugInfoOffset<T>) -> Self { - UnitSectionOffset::DebugInfoOffset(offset) - } -} - -impl<T> From<DebugTypesOffset<T>> for UnitSectionOffset<T> { - fn from(offset: DebugTypesOffset<T>) -> Self { - UnitSectionOffset::DebugTypesOffset(offset) - } -} - -impl<T> UnitSectionOffset<T> -where - T: Clone, -{ - /// Returns the `DebugInfoOffset` inside, or `None` otherwise. - pub fn as_debug_info_offset(&self) -> Option<DebugInfoOffset<T>> { - match self { - UnitSectionOffset::DebugInfoOffset(offset) => Some(offset.clone()), - UnitSectionOffset::DebugTypesOffset(_) => None, - } - } - /// Returns the `DebugTypesOffset` inside, or `None` otherwise. - pub fn as_debug_types_offset(&self) -> Option<DebugTypesOffset<T>> { - match self { - UnitSectionOffset::DebugInfoOffset(_) => None, - UnitSectionOffset::DebugTypesOffset(offset) => Some(offset.clone()), - } - } -} - -/// An identifier for a DWARF section. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash)] -pub enum SectionId { - /// The `.debug_abbrev` section. - DebugAbbrev, - /// The `.debug_addr` section. - DebugAddr, - /// The `.debug_aranges` section. - DebugAranges, - /// The `.debug_cu_index` section. - DebugCuIndex, - /// The `.debug_frame` section. - DebugFrame, - /// The `.eh_frame` section. - EhFrame, - /// The `.eh_frame_hdr` section. - EhFrameHdr, - /// The `.debug_info` section. - DebugInfo, - /// The `.debug_line` section. - DebugLine, - /// The `.debug_line_str` section. - DebugLineStr, - /// The `.debug_loc` section. - DebugLoc, - /// The `.debug_loclists` section. - DebugLocLists, - /// The `.debug_macinfo` section. - DebugMacinfo, - /// The `.debug_macro` section. - DebugMacro, - /// The `.debug_pubnames` section. - DebugPubNames, - /// The `.debug_pubtypes` section. - DebugPubTypes, - /// The `.debug_ranges` section. - DebugRanges, - /// The `.debug_rnglists` section. - DebugRngLists, - /// The `.debug_str` section. - DebugStr, - /// The `.debug_str_offsets` section. - DebugStrOffsets, - /// The `.debug_tu_index` section. - DebugTuIndex, - /// The `.debug_types` section. - DebugTypes, -} - -impl SectionId { - /// Returns the ELF section name for this kind. - pub fn name(self) -> &'static str { - match self { - SectionId::DebugAbbrev => ".debug_abbrev", - SectionId::DebugAddr => ".debug_addr", - SectionId::DebugAranges => ".debug_aranges", - SectionId::DebugCuIndex => ".debug_cu_index", - SectionId::DebugFrame => ".debug_frame", - SectionId::EhFrame => ".eh_frame", - SectionId::EhFrameHdr => ".eh_frame_hdr", - SectionId::DebugInfo => ".debug_info", - SectionId::DebugLine => ".debug_line", - SectionId::DebugLineStr => ".debug_line_str", - SectionId::DebugLoc => ".debug_loc", - SectionId::DebugLocLists => ".debug_loclists", - SectionId::DebugMacinfo => ".debug_macinfo", - SectionId::DebugMacro => ".debug_macro", - SectionId::DebugPubNames => ".debug_pubnames", - SectionId::DebugPubTypes => ".debug_pubtypes", - SectionId::DebugRanges => ".debug_ranges", - SectionId::DebugRngLists => ".debug_rnglists", - SectionId::DebugStr => ".debug_str", - SectionId::DebugStrOffsets => ".debug_str_offsets", - SectionId::DebugTuIndex => ".debug_tu_index", - SectionId::DebugTypes => ".debug_types", - } - } - - /// Returns the ELF section name for this kind, when found in a .dwo or .dwp file. - pub fn dwo_name(self) -> Option<&'static str> { - Some(match self { - SectionId::DebugAbbrev => ".debug_abbrev.dwo", - SectionId::DebugCuIndex => ".debug_cu_index", - SectionId::DebugInfo => ".debug_info.dwo", - SectionId::DebugLine => ".debug_line.dwo", - // The debug_loc section can be present in the dwo when using the - // GNU split-dwarf extension to DWARF4. - SectionId::DebugLoc => ".debug_loc.dwo", - SectionId::DebugLocLists => ".debug_loclists.dwo", - SectionId::DebugMacro => ".debug_macro.dwo", - SectionId::DebugRngLists => ".debug_rnglists.dwo", - SectionId::DebugStr => ".debug_str.dwo", - SectionId::DebugStrOffsets => ".debug_str_offsets.dwo", - SectionId::DebugTuIndex => ".debug_tu_index", - SectionId::DebugTypes => ".debug_types.dwo", - _ => return None, - }) - } - - /// Returns the XCOFF section name for this kind. - pub fn xcoff_name(self) -> Option<&'static str> { - Some(match self { - SectionId::DebugAbbrev => ".dwabrev", - SectionId::DebugAranges => ".dwarnge", - SectionId::DebugFrame => ".dwframe", - SectionId::DebugInfo => ".dwinfo", - SectionId::DebugLine => ".dwline", - SectionId::DebugLoc => ".dwloc", - SectionId::DebugMacinfo => ".dwmac", - SectionId::DebugPubNames => ".dwpbnms", - SectionId::DebugPubTypes => ".dwpbtyp", - SectionId::DebugRanges => ".dwrnges", - SectionId::DebugStr => ".dwstr", - _ => return None, - }) - } -} - -/// An optionally-provided implementation-defined compilation unit ID to enable -/// split DWARF and linking a split compilation unit back together. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct DwoId(pub u64); - -/// The "type" of file with DWARF debugging information. This determines, among other things, -/// which files DWARF sections should be loaded from. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub enum DwarfFileType { - /// A normal executable or object file. - Main, - /// A .dwo split DWARF file. - Dwo, - // TODO: Supplementary files, .dwps? -} - -impl Default for DwarfFileType { - fn default() -> Self { - DwarfFileType::Main - } -} |