diff -up boost_1_53_0/libs/context/src/asm/make_ppc64_sysv_elf_gas.S\~ boost_1_53_0/libs/context/src/asm/make_ppc64_sysv_elf_gas.S
--- boost_1_53_0/libs/context/src/asm/make_ppc64_sysv_elf_gas.S~	2012-11-30 08:38:52.000000000 +0100
+++ boost_1_53_0/libs/context/src/asm/make_ppc64_sysv_elf_gas.S	2013-02-11 19:14:45.179845740 +0100
@@ -89,7 +89,7 @@ make_fcontext:
 .quad .make_fcontext,.TOC.@tocbase,0
 .previous
 .size make_fcontext,24
-.type .make_fcontext,@function
+.type make_fcontext,@function
 .globl .make_fcontext
 .make_fcontext:
     mflr    %r6                 # save return address into R6
@@ -99,13 +99,13 @@ make_fcontext:
 
     # call align_stack, R3 contains address at 16 byte boundary after return
     # == pointer to fcontext_t and address of context stack
-    rlwinm  %r3, %r3, 0, 0, 59
+    rldicr  %r3, %r3, 0, 59
 
     std     %r0, 184(%r3)       # save address of context stack (base) in fcontext_t
     std     %r4, 192(%r3)       # save context stack size in fcontext_t
     std     %r5, 176(%r3)       # save address of context function in fcontext_t
 
-    subf    %r0, %r3, 64        # 64 bytes on stack for parameter area (== 8 registers)
+    addi    %r0, %r3, -64       # 64 bytes on stack for parameter area (== 8 registers)
     std     %r0, 152(%r3)       # save the stack base
 
     mflr    %r0                 # load LR
@@ -128,5 +128,6 @@ finish:
     stwu    %r1, -32(%r1)       # allocate stack space, SP % 16 == 0
 
     li      %r3,  0             # set return value to zero
-    bl      _exit@plt           # exit application
+    bl      _exit               # exit application
+    nop                         # padding for R_PPC64_REL24
 .size .make_fcontext, .-.make_fcontext

Diff finished.  Mon Feb 11 19:15:05 2013