Add support for R_ARM_REL32 to the dynamic linker.

Merged from eclair-mr2

linker/linker.c

@@ -1294,6 +1294,13 @@ static int reloc_library(soinfo *si, Elf32_Rel *rel, unsigned count)
                        reloc, sym_addr, sym_name);
             *((unsigned*)reloc) += sym_addr;
             break;
+        case R_ARM_REL32:
+            COUNT_RELOC(RELOC_RELATIVE);
+            MARK(rel->r_offset);
+            TRACE_TYPE(RELO, "%5d RELO REL32 %08x <- %08x - %08x %s\n", pid,
+                       reloc, sym_addr, rel->r_offset, sym_name);
+            *((unsigned*)reloc) += sym_addr - rel->r_offset;
+            break;
 #elif defined(ANDROID_X86_LINKER)
         case R_386_JUMP_SLOT:
             COUNT_RELOC(RELOC_ABSOLUTE);

linker/linker.h

@@ -159,6 +159,13 @@ extern soinfo libdl_info;
 #define R_ARM_JUMP_SLOT  22
 #define R_ARM_RELATIVE   23
 
+/* According to the AAPCS specification, we only
+ * need the above relocations. However, in practice,
+ * the following ones turn up from time to time.
+ */
+#define R_ARM_ABS32      2
+#define R_ARM_REL32      3
+
 #elif defined(ANDROID_X86_LINKER)
 
 #define R_386_32         1
@@ -194,12 +201,6 @@ extern soinfo libdl_info;
 #define DT_PREINIT_ARRAYSZ 33
 #endif
 
-/* in theory we only need the above relative relocations,
-   but in practice the following one turns up from time
-   to time.  fushigi na.
-*/
-#define R_ARM_ABS32      2
-
 soinfo *find_library(const char *name);
 unsigned unload_library(soinfo *si);
 Elf32_Sym *lookup_in_library(soinfo *si, const char *name);