add xrt::elf raw elf data constructor (Xilinx#7963)

* add xrt::elf raw elf data constructor * rename * review comment * review comments Signed-off-by: HimanshuChoudhary-Xilinx <[email protected]> --------- Signed-off-by: HimanshuChoudhary-Xilinx <[email protected]>
dezhiAmd · Mar 13, 2024 · d7e2096 · d7e2096
1 parent 7f9377b
commit d7e2096
Show file tree

Hide file tree

Showing 2 changed files with 23 additions and 1 deletion.
diff --git a/src/runtime_src/core/common/api/xrt_elf.cpp b/src/runtime_src/core/common/api/xrt_elf.cpp
@@ -28,6 +28,12 @@ class elf_impl
       throw std::runtime_error(fnm + " is not found or is not a valid ELF file");
   }
 
+  elf_impl(std::istream& stream)
+  {
+    if (!m_elf.load(stream))
+      throw std::runtime_error("not a valid ELF stream");
+  }
+
   const ELFIO::elfio&
   get_elfio() const
   {
@@ -85,6 +91,11 @@ elf(const std::string& fnm)
   : detail::pimpl<elf_impl>{std::make_shared<elf_impl>(fnm)}
 {}
 
+elf::
+elf(std::istream& stream)
+  : detail::pimpl<elf_impl>{std::make_shared<elf_impl>(stream)}
+{}
+
 xrt::uuid
 elf::
 get_cfg_uuid() const

diff --git a/src/runtime_src/core/include/experimental/xrt_elf.h b/src/runtime_src/core/include/experimental/xrt_elf.h
@@ -9,6 +9,7 @@
 
 #ifdef __cplusplus
 # include <string>
+# include <istream>
 #endif
 
 #ifdef __cplusplus
@@ -32,7 +33,17 @@ class elf : public detail::pimpl<elf_impl>
 public:
   XRT_API_EXPORT
   elf(const std::string& fnm);
-
+
+  /**
+   * elf() - Constructor from raw ELF data
+   *
+   * @param data
+   *  Raw data of elf
+   *
+   */
+  XRT_API_EXPORT
+  elf(std::istream& stream);
+
   XRT_API_EXPORT
   xrt::uuid
   get_cfg_uuid() const;