[BFD, LD, AArch64, 2/3] Add --force-bti to enable BTI and to select BTI enabled PLTs

[thirdparty/binutils-gdb.git] / binutils / readelf.c

diff --git a/binutils/readelf.c b/binutils/readelf.c
index 7446ffeee21961bf56b12ff16afbf52e5cd35387..f4775b439fc6a14a14699c88af3fe5f07648352e 100644 (file)
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -1797,6 +1797,17 @@ dump_relocations (Filedata *          filedata,
   return res;
 }
 
+static const char *
+get_aarch64_dynamic_type (unsigned long type)
+{
+  switch (type)
+    {
+    case DT_AARCH64_BTI_PLT:  return "AARCH64_BTI_PLT";
+    default:
+      return NULL;
+    }
+}
+
 static const char *
 get_mips_dynamic_type (unsigned long type)
 {
@@ -2170,6 +2181,9 @@ get_dynamic_type (Filedata * filedata, unsigned long type)
 
          switch (filedata->file_header.e_machine)
            {
+           case EM_AARCH64:
+             result = get_aarch64_dynamic_type (type);
+             break;
            case EM_MIPS:
            case EM_MIPS_RS3_LE:
              result = get_mips_dynamic_type (type);
@@ -9344,6 +9358,20 @@ process_unwind (Filedata * filedata)
   return TRUE;
 }
 
+static void
+dynamic_section_aarch64_val (Elf_Internal_Dyn * entry)
+{
+  switch (entry->d_tag)
+    {
+    case DT_AARCH64_BTI_PLT:
+      break;
+    default:
+      print_vma (entry->d_un.d_ptr, PREFIX_HEX);
+      break;
+    }
+  putchar ('\n');
+}
+
 static void
 dynamic_section_mips_val (Elf_Internal_Dyn * entry)
 {
@@ -10358,6 +10386,9 @@ process_dynamic_section (Filedata * filedata)
            {
              switch (filedata->file_header.e_machine)
                {
+               case EM_AARCH64:
+                 dynamic_section_aarch64_val (entry);
+                 break;
                case EM_MIPS:
                case EM_MIPS_RS3_LE:
                  dynamic_section_mips_val (entry);