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* configure.ac: enable fiber coroutine for powerpc64le-linux * coroutine/ppc64le/Context.S: coroutine_transfer implementation * coroutine/ppc64le/Context.h: coroutine implementation git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66315 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
72 lines
1 KiB
ArmAsm
72 lines
1 KiB
ArmAsm
.text
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.align 2
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.globl coroutine_transfer
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.type coroutine_transfer, @function
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coroutine_transfer:
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# Make space on the stack for caller registers
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addi 1,1,-152
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# Save caller registers
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std 14,0(1)
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std 15,8(1)
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std 16,16(1)
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std 17,24(1)
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std 18,32(1)
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std 19,40(1)
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std 20,48(1)
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std 21,56(1)
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std 22,64(1)
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std 23,72(1)
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std 24,80(1)
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std 25,88(1)
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std 26,96(1)
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std 27,104(1)
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std 28,112(1)
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std 29,120(1)
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std 30,128(1)
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std 31,136(1)
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# Save return address
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mflr 0
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std 0,144(1)
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# Save stack pointer to first argument
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std 1,0(3)
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# Load stack pointer from second argument
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ld 1,0(4)
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# Restore caller registers
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ld 14,0(1)
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ld 15,8(1)
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ld 16,16(1)
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ld 17,24(1)
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ld 18,32(1)
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ld 19,40(1)
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ld 20,48(1)
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ld 21,56(1)
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ld 22,64(1)
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ld 23,72(1)
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ld 24,80(1)
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ld 25,88(1)
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ld 26,96(1)
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ld 27,104(1)
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ld 28,112(1)
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ld 29,120(1)
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ld 30,128(1)
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ld 31,136(1)
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# Load return address
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ld 0,144(1)
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mtlr 0
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# Pop stack frame
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addi 1,1,152
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# Jump to return address
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blr
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#if defined(__linux__) && defined(__ELF__)
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.section .note.GNU-stack,"",%progbits
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#endif
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