(elf_machine_rel): Fixup R_ARM_PC24 relocs if possible.

diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h
index 25e2f06..2e6faf5 100644 (file)
--- a/sysdeps/arm/dl-machine.h
+++ b/sysdeps/arm/dl-machine.h
@@ -443,6 +443,23 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
            *reloc_addr += value;
            break;
          }
+       case R_ARM_PC24:
+         {
+            signed int addend;
+
+            addend = *reloc_addr & 0x00ffffff;
+            if (addend & 0x00800000) addend |= 0xff000000;
+
+            value = value - (unsigned int)reloc_addr + (addend << 2);
+            if (value & 0xfc000003)
+              _dl_signal_error (0, map->l_name,
+                         "R_ARM_PC24 relocation out of range");
+              
+            value = value >> 2;
+            value = (*reloc_addr & 0xff000000) | (value & 0x00ffffff);
+            *reloc_addr = value;
+         }
+       break;
        default:
          _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 0);
          break;