[patch] Bug fix for misaligned R_ARM_ABS32 relocation

glibc-2.13-r4.patch (text/plain), 765 bytes, created by junkmailnotread on 2011-12-10 12:43:25 UTC

--- glibc-ports-2.13/sysdeps/arm/dl-machine.h.orig	2011-01-25 21:00:16.000000000 +0000
+++ glibc-ports-2.13/sysdeps/arm/dl-machine.h	2011-12-10 00:32:45.841887177 +0000
@@ -400,6 +400,7 @@
 	  break;
 	case R_ARM_ABS32:
 	  {
+	  union { Elf32_Addr v; unsigned char b[sizeof(Elf32_Addr)]; } hack;
 # ifndef RTLD_BOOTSTRAP
 	   /* This is defined in rtld.c, but nowhere in the static
 	      libc.a; make the reference weak so static programs can
@@ -418,7 +419,9 @@
 		 used while loading those libraries.  */
 	      value -= map->l_addr + refsym->st_value;
 # endif
-	    *reloc_addr += value;
+	    memcpy(hack.b, reloc_addr, sizeof(Elf32_Addr));
+	    hack.v += value;
+	    memcpy(reloc_addr, hack.b, sizeof(Elf32_Addr));
 	    break;
 	  }
 	case R_ARM_PC24: