1 files changed, 121 insertions, 0 deletions
diff --git a/libebl/arm_symbol.c b/libebl/arm_symbol.c
new file mode 100644
index 00000000..f4de8be9
--- /dev/null
+++ b/libebl/arm_symbol.c
@@ -0,0 +1,121 @@
+/* Arm specific symbolic name handling.
+   Copyright (C) 2002, 2005 Red Hat, Inc.
+   Written by Ulrich Drepper <[email protected]>, 2002.
+
+   This program is Open Source software; you can redistribute it and/or
+   modify it under the terms of the Open Software License version 1.0 as
+   published by the Open Source Initiative.
+
+   You should have received a copy of the Open Software License along
+   with this program; if not, you may obtain a copy of the Open Software
+   License version 1.0 from http://www.opensource.org/licenses/osl.php or
+   by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+   3001 King Ranch Road, Ukiah, CA 95482.   */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <stddef.h>
+
+#include <libebl_arm.h>
+
+
+/* Return of the backend.  */
+const char *
+arm_backend_name (void)
+{
+  return "arm";
+}
+
+
+/* Relocation mapping table.  */
+static const char *reloc_map_table[] =
+  {
+    [R_ARM_NONE] = "R_ARM_NONE",
+    [R_ARM_PC24] = "R_ARM_PC24",
+    [R_ARM_ABS32] = "R_ARM_ABS32",
+    [R_ARM_REL32] = "R_ARM_REL32",
+    [R_ARM_PC13] = "R_ARM_PC13",
+    [R_ARM_ABS16] = "R_ARM_ABS16",
+    [R_ARM_ABS12] = "R_ARM_ABS12",
+    [R_ARM_THM_ABS5] = "R_ARM_THM_ABS5",
+    [R_ARM_ABS8] = "R_ARM_ABS8",
+    [R_ARM_SBREL32] = "R_ARM_SBREL32",
+    [R_ARM_THM_PC22] = "R_ARM_THM_PC22",
+    [R_ARM_THM_PC8] = "R_ARM_THM_PC8",
+    [R_ARM_AMP_VCALL9] = "R_ARM_AMP_VCALL9",
+    [R_ARM_SWI24] = "R_ARM_SWI24",
+    [R_ARM_THM_SWI8] = "R_ARM_THM_SWI8",
+    [R_ARM_XPC25] = "R_ARM_XPC25",
+    [R_ARM_THM_XPC22] = "R_ARM_THM_XPC22",
+    [R_ARM_COPY] = "R_ARM_COPY",
+    [R_ARM_GLOB_DAT] = "R_ARM_GLOB_DAT",
+    [R_ARM_JUMP_SLOT] = "R_ARM_JUMP_SLOT",
+    [R_ARM_RELATIVE] = "R_ARM_RELATIVE",
+    [R_ARM_GOTOFF] = "R_ARM_GOTOFF",
+    [R_ARM_GOTPC] = "R_ARM_GOTPC",
+    [R_ARM_GOT32] = "R_ARM_GOT32",
+    [R_ARM_PLT32] = "R_ARM_PLT32",
+    [R_ARM_ALU_PCREL_7_0] = "R_ARM_ALU_PCREL_7_0",
+    [R_ARM_ALU_PCREL_15_8] = "R_ARM_ALU_PCREL_15_8",
+    [R_ARM_ALU_PCREL_23_15] = "R_ARM_ALU_PCREL_23_15",
+    [R_ARM_LDR_SBREL_11_0] = "R_ARM_LDR_SBREL_11_0",
+    [R_ARM_ALU_SBREL_19_12] = "R_ARM_ALU_SBREL_19_12",
+    [R_ARM_ALU_SBREL_27_20] = "R_ARM_ALU_SBREL_27_20"
+  };
+
+static const char *reloc_map_table2[] =
+  {
+    [R_ARM_GNU_VTENTRY] = "R_ARM_GNU_VTENTRY",
+    [R_ARM_GNU_VTINHERIT] = "R_ARM_GNU_VTINHERIT",
+    [R_ARM_THM_PC11] = "R_ARM_THM_PC11",
+    [R_ARM_THM_PC9] = "R_ARM_THM_PC9"
+  };
+
+static const char *reloc_map_table3[] =
+  {
+    [R_ARM_RXPC25] = "R_ARM_RXPC25",
+    [R_ARM_RSBREL32] = "R_ARM_RSBREL32",
+    [R_ARM_THM_RPC22] = "R_ARM_THM_RPC22",
+    [R_ARM_RREL32] = "R_ARM_RREL32",
+    [R_ARM_RABS22] = "R_ARM_RABS22",
+    [R_ARM_RPC24] = "R_ARM_RPC24",
+    [R_ARM_RBASE] = "R_ARM_RBASE"
+  };
+
+
+/* Determine relocation type string for Alpha.  */
+const char *
+arm_reloc_type_name (int type, char *buf __attribute__ ((unused)),
+		     size_t len __attribute__ ((unused)))
+{
+  if (type >= R_ARM_NONE && type <= R_ARM_ALU_SBREL_27_20)
+    return reloc_map_table[type];
+
+  if (type >= R_ARM_GNU_VTENTRY && type <= R_ARM_THM_PC9)
+    return reloc_map_table2[type - R_ARM_GNU_VTENTRY];
+
+  if (type >= R_ARM_RXPC25 && type <= R_ARM_RBASE)
+    return reloc_map_table3[type - R_ARM_RXPC25];
+
+  return NULL;
+}
+
+
+/* Check for correct relocation type.  */
+bool
+arm_reloc_type_check (int type)
+{
+  return ((type >= R_ARM_NONE && type <= R_ARM_ALU_SBREL_27_20)
+	  || (type >= R_ARM_GNU_VTENTRY && type <= R_ARM_THM_PC9)
+	  || (type >= R_ARM_RXPC25 && type <= R_ARM_RBASE)) ? true : false;
+}
+
+/* Check whether given relocation is a copy relocation.  */
+bool
+arm_copy_reloc_p (int reloc)
+{
+  return reloc == R_ARM_COPY;
+}