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--- boost_1_53_0/libs/context/src/asm/make_ppc32_sysv_elf_gas.S.orig 2013-02-11 14:03:46.631005713 -0600
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+++ boost_1_53_0/libs/context/src/asm/make_ppc32_sysv_elf_gas.S 2013-02-11 14:06:52.704815403 -0600
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@@ -78,7 +78,7 @@
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# call align_stack, R3 contains address at 16 byte boundary after return
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# == pointer to fcontext_t and address of context stack
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- rlwinm %r3, %r3, 0, 0, 27
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+ clrrwi %r3, %r3, 4
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stw %r0, 92(%r3) # save address of context stack (base) in fcontext_t
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stw %r4, 96(%r3) # save context stack size in fcontext_t
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@@ -87,12 +87,10 @@
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subi %r0, %r3, 64 # reserve 64 bytes (linkage + parameter area), R4 % 16 == 0
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stw %r0, 76(%r3) # save address in R3 as stack pointer for context function
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- mflr %r0 # load LR
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bl 1f # jump to label 1
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1:
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mflr %r4 # load LR into R4
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addi %r4, %r4, finish - 1b # compute abs address of label finish
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- mtlr %r0 # restore LR
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stw %r4, 84(%r3) # save address of finish as return address for context function
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# entered after context function returns
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@@ -108,4 +106,5 @@
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li %r3, 0 # exit code is zero
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bl _exit@plt # exit application
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+ .long 0 # We should never get here, so SIGILL if we do
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.size make_fcontext, .-make_fcontext
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--- boost_1_53_0/libs/context/src/asm/make_ppc64_sysv_elf_gas.S.orig 2013-02-11 14:03:43.726849715 -0600
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+++ boost_1_53_0/libs/context/src/asm/make_ppc64_sysv_elf_gas.S 2013-02-11 14:22:48.202839078 -0600
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@@ -99,21 +99,19 @@
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# call align_stack, R3 contains address at 16 byte boundary after return
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# == pointer to fcontext_t and address of context stack
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- rlwinm %r3, %r3, 0, 0, 59
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+ clrrdi %r3, %r3, 4
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std %r0, 184(%r3) # save address of context stack (base) in fcontext_t
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std %r4, 192(%r3) # save context stack size in fcontext_t
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std %r5, 176(%r3) # save address of context function in fcontext_t
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- subf %r0, %r3, 64 # 64 bytes on stack for parameter area (== 8 registers)
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+ subi %r0, %r3, 64 # 64 bytes on stack for parameter area (== 8 registers)
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std %r0, 152(%r3) # save the stack base
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- mflr %r0 # load LR
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bl 1f # jump to label 1
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1:
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mflr %r4 # load LR into R4
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addi %r4, %r4, finish - 1b # compute abs address of label finish
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- mtlr %r0 # restore LR
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std %r4, 168(%r3) # save address of finish as return address for context function
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# entered after context function returns
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@@ -128,5 +126,7 @@
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stwu %r1, -32(%r1) # allocate stack space, SP % 16 == 0
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li %r3, 0 # set return value to zero
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- bl _exit@plt # exit application
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+ bl _exit # exit application
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+ nop # nop is required by the linker
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+ .long 0 # We should never get here, so SIGILL if we do
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.size .make_fcontext, .-.make_fcontext
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