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-rw-r--r--vendor/gimli-0.26.2/src/write/section.rs172
1 files changed, 172 insertions, 0 deletions
diff --git a/vendor/gimli-0.26.2/src/write/section.rs b/vendor/gimli-0.26.2/src/write/section.rs
new file mode 100644
index 000000000..e8f3378cd
--- /dev/null
+++ b/vendor/gimli-0.26.2/src/write/section.rs
@@ -0,0 +1,172 @@
+use std::ops::DerefMut;
+use std::result;
+use std::vec::Vec;
+
+use crate::common::SectionId;
+use crate::write::{
+ DebugAbbrev, DebugFrame, DebugInfo, DebugInfoReference, DebugLine, DebugLineStr, DebugLoc,
+ DebugLocLists, DebugRanges, DebugRngLists, DebugStr, EhFrame, Writer,
+};
+
+macro_rules! define_section {
+ ($name:ident, $offset:ident, $docs:expr) => {
+ #[doc=$docs]
+ #[derive(Debug, Default)]
+ pub struct $name<W: Writer>(pub W);
+
+ impl<W: Writer> $name<W> {
+ /// Return the offset of the next write.
+ pub fn offset(&self) -> $offset {
+ $offset(self.len())
+ }
+ }
+
+ impl<W: Writer> From<W> for $name<W> {
+ #[inline]
+ fn from(w: W) -> Self {
+ $name(w)
+ }
+ }
+
+ impl<W: Writer> Deref for $name<W> {
+ type Target = W;
+
+ #[inline]
+ fn deref(&self) -> &W {
+ &self.0
+ }
+ }
+
+ impl<W: Writer> DerefMut for $name<W> {
+ #[inline]
+ fn deref_mut(&mut self) -> &mut W {
+ &mut self.0
+ }
+ }
+
+ impl<W: Writer> Section<W> for $name<W> {
+ #[inline]
+ fn id(&self) -> SectionId {
+ SectionId::$name
+ }
+ }
+ };
+}
+
+/// Functionality common to all writable DWARF sections.
+pub trait Section<W: Writer>: DerefMut<Target = W> {
+ /// Returns the DWARF section kind for this type.
+ fn id(&self) -> SectionId;
+
+ /// Returns the ELF section name for this type.
+ fn name(&self) -> &'static str {
+ self.id().name()
+ }
+}
+
+/// All of the writable DWARF sections.
+#[derive(Debug, Default)]
+pub struct Sections<W: Writer> {
+ /// The `.debug_abbrev` section.
+ pub debug_abbrev: DebugAbbrev<W>,
+ /// The `.debug_info` section.
+ pub debug_info: DebugInfo<W>,
+ /// The `.debug_line` section.
+ pub debug_line: DebugLine<W>,
+ /// The `.debug_line_str` section.
+ pub debug_line_str: DebugLineStr<W>,
+ /// The `.debug_ranges` section.
+ pub debug_ranges: DebugRanges<W>,
+ /// The `.debug_rnglists` section.
+ pub debug_rnglists: DebugRngLists<W>,
+ /// The `.debug_loc` section.
+ pub debug_loc: DebugLoc<W>,
+ /// The `.debug_loclists` section.
+ pub debug_loclists: DebugLocLists<W>,
+ /// The `.debug_str` section.
+ pub debug_str: DebugStr<W>,
+ /// The `.debug_frame` section.
+ pub debug_frame: DebugFrame<W>,
+ /// The `.eh_frame` section.
+ pub eh_frame: EhFrame<W>,
+ /// Unresolved references in the `.debug_info` section.
+ pub(crate) debug_info_refs: Vec<DebugInfoReference>,
+ /// Unresolved references in the `.debug_loc` section.
+ pub(crate) debug_loc_refs: Vec<DebugInfoReference>,
+ /// Unresolved references in the `.debug_loclists` section.
+ pub(crate) debug_loclists_refs: Vec<DebugInfoReference>,
+}
+
+impl<W: Writer + Clone> Sections<W> {
+ /// Create a new `Sections` using clones of the given `section`.
+ pub fn new(section: W) -> Self {
+ Sections {
+ debug_abbrev: DebugAbbrev(section.clone()),
+ debug_info: DebugInfo(section.clone()),
+ debug_line: DebugLine(section.clone()),
+ debug_line_str: DebugLineStr(section.clone()),
+ debug_ranges: DebugRanges(section.clone()),
+ debug_rnglists: DebugRngLists(section.clone()),
+ debug_loc: DebugLoc(section.clone()),
+ debug_loclists: DebugLocLists(section.clone()),
+ debug_str: DebugStr(section.clone()),
+ debug_frame: DebugFrame(section.clone()),
+ eh_frame: EhFrame(section.clone()),
+ debug_info_refs: Vec::new(),
+ debug_loc_refs: Vec::new(),
+ debug_loclists_refs: Vec::new(),
+ }
+ }
+}
+
+impl<W: Writer> Sections<W> {
+ /// For each section, call `f` once with a shared reference.
+ pub fn for_each<F, E>(&self, mut f: F) -> result::Result<(), E>
+ where
+ F: FnMut(SectionId, &W) -> result::Result<(), E>,
+ {
+ macro_rules! f {
+ ($s:expr) => {
+ f($s.id(), &$s)
+ };
+ }
+ // Ordered so that earlier sections do not reference later sections.
+ f!(self.debug_abbrev)?;
+ f!(self.debug_str)?;
+ f!(self.debug_line_str)?;
+ f!(self.debug_line)?;
+ f!(self.debug_ranges)?;
+ f!(self.debug_rnglists)?;
+ f!(self.debug_loc)?;
+ f!(self.debug_loclists)?;
+ f!(self.debug_info)?;
+ f!(self.debug_frame)?;
+ f!(self.eh_frame)?;
+ Ok(())
+ }
+
+ /// For each section, call `f` once with a mutable reference.
+ pub fn for_each_mut<F, E>(&mut self, mut f: F) -> result::Result<(), E>
+ where
+ F: FnMut(SectionId, &mut W) -> result::Result<(), E>,
+ {
+ macro_rules! f {
+ ($s:expr) => {
+ f($s.id(), &mut $s)
+ };
+ }
+ // Ordered so that earlier sections do not reference later sections.
+ f!(self.debug_abbrev)?;
+ f!(self.debug_str)?;
+ f!(self.debug_line_str)?;
+ f!(self.debug_line)?;
+ f!(self.debug_ranges)?;
+ f!(self.debug_rnglists)?;
+ f!(self.debug_loc)?;
+ f!(self.debug_loclists)?;
+ f!(self.debug_info)?;
+ f!(self.debug_frame)?;
+ f!(self.eh_frame)?;
+ Ok(())
+ }
+}