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https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
88 lines
1.6 KiB
ArmAsm
88 lines
1.6 KiB
ArmAsm
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#define TOKEN_PASTE(x,y) x##y
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#define PREFIXED_SYMBOL(prefix,name) TOKEN_PASTE(prefix,name)
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.text
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.align 2
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.global PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer)
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PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer):
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# Make space on the stack for caller registers
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addi sp, sp, -0xd0
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# Save caller registers
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sd s0, 0x00(sp)
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sd s1, 0x08(sp)
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sd s2, 0x10(sp)
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sd s3, 0x18(sp)
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sd s4, 0x20(sp)
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sd s5, 0x28(sp)
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sd s6, 0x30(sp)
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sd s7, 0x38(sp)
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sd s8, 0x40(sp)
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sd s9, 0x48(sp)
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sd s10, 0x50(sp)
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sd s11, 0x58(sp)
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fsd fs0, 0x60(sp)
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fsd fs1, 0x68(sp)
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fsd fs2, 0x70(sp)
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fsd fs3, 0x78(sp)
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fsd fs4, 0x80(sp)
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fsd fs5, 0x88(sp)
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fsd fs6, 0x90(sp)
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fsd fs7, 0x98(sp)
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fsd fs8, 0xa0(sp)
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fsd fs9, 0xa8(sp)
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fsd fs10, 0xb0(sp)
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fsd fs11, 0xb8(sp)
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# Save return address
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sd ra, 0xc0(sp)
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# Save stack pointer to a0 (first argument)
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mv a2, sp
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sd a2, (a0)
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# Load stack pointer from a1 (second argument)
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ld a3, (a1)
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mv sp, a3
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# Restore caller registers
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ld s0, 0x00(sp)
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ld s1, 0x08(sp)
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ld s2, 0x10(sp)
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ld s3, 0x18(sp)
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ld s4, 0x20(sp)
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ld s5, 0x28(sp)
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ld s6, 0x30(sp)
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ld s7, 0x38(sp)
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ld s8, 0x40(sp)
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ld s9, 0x48(sp)
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ld s10, 0x50(sp)
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ld s11, 0x58(sp)
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fld fs0, 0x60(sp)
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fld fs1, 0x68(sp)
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fld fs2, 0x70(sp)
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fld fs3, 0x78(sp)
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fld fs4, 0x80(sp)
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fld fs5, 0x88(sp)
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fld fs6, 0x90(sp)
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fld fs7, 0x98(sp)
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fld fs8, 0xa0(sp)
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fld fs9, 0xa8(sp)
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fld fs10, 0xb0(sp)
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fld fs11, 0xb8(sp)
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# Load return address
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ld ra, 0xc0(sp)
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# Pop stack frame
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addi sp, sp, 0xd0
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# Jump to return address
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ret
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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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