Add readelf support to run-make-support

Author: Rejyr

src/tools/run-make-support/src/llvm.rs

@@ -61,6 +61,22 @@ impl LlvmReadobj {
         Self { cmd }
     }
 
+    /// Specify the format of the ELF information.
+    ///
+    /// Valid options are `LLVM` (default), `GNU`, and `JSON`.
+    pub fn elf_output_style(&mut self, style: &str) -> &mut Self {
+        self.cmd.arg("--elf-output-style");
+        self.cmd.arg(style);
+        self
+    }
+
+    /// Set the formation of the ELF information as `GNU`.
+    ///
+    /// Convenience function for [`elf_output_style`].
+    pub fn gnu_elf_style(&mut self) -> &mut Self {
+        self.elf_output_style("GNU")
+    }
+
     /// Provide an input file.
     pub fn input<P: AsRef<Path>>(&mut self, path: P) -> &mut Self {
         self.cmd.arg(path.as_ref());
@@ -72,6 +88,13 @@ impl LlvmReadobj {
         self.cmd.arg("--file-header");
         self
     }
+
+    /// Specify the section to display.
+    pub fn section(&mut self, section: &str) -> &mut Self {
+        self.cmd.arg("--string-dump");
+        self.cmd.arg(section);
+        self
+    }
 }
 
 impl LlvmProfdata {