Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 172 insertions, 0 deletions

diff --git a/vendor/gimli/src/write/section.rs b/vendor/gimli/src/write/section.rs
new file mode 100644
index 0000000..db5eb9a
--- /dev/null
+++ b/vendor/gimli/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),
+            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(())
+    }
+}