elf: simple elf-parser for dynamic symbolsHEADmain

1 files changed, 59 insertions, 0 deletions

diff --git a/test/elf_parser.cc b/test/elf_parser.cc
new file mode 100644
index 0000000..6f16639
--- /dev/null
+++ b/test/elf_parser.cc
@@ -0,0 +1,59 @@
+#include "elf_parser.h"
+
+#include <cstddef>
+#include <cstdio>
+
+#include <elf.h>
+
+#include "elf_parser/libtest-32.h"
+#include "elf_parser/libtest-64.h"
+
+void dump_dynsyms(const unsigned char* bytes, size_t len) {
+  auto elf = elf::parse(bytes, len);
+
+  elf->dynsyms([](const char* name, char type, char bind) {  // NOLINT
+    const char* bind_str = "<unnown>";
+    switch (bind) {
+      case STB_GLOBAL:
+        bind_str = "GLOBAL";
+        break;
+      case STB_LOCAL:
+        bind_str = "LOCAL";
+        break;
+      case STB_WEAK:
+        bind_str = "WEAK";
+        break;
+      default:
+        break;
+    }
+
+    const char* type_str = "<unknown>";
+    switch (type) {
+      case STT_NOTYPE:
+        type_str = "NOTYPE";
+        break;
+      case STT_FUNC:
+        type_str = "FUNC";
+        break;
+      case STT_OBJECT:
+        type_str = "OBJECT";
+        break;
+      case STT_SECTION:
+        type_str = "SECTION";
+        break;
+      case STT_FILE:
+        type_str = "FILE";
+        break;
+      default:
+        break;
+    }
+
+    printf("syms type: %10s bind: %10s name: %s\n", type_str, bind_str, name);
+    return true;
+  });
+}
+
+int main() {
+  dump_dynsyms(libtest_32_so, libtest_32_so_len);
+  dump_dynsyms(libtest_64_so, libtest_64_so_len);
+}