41 lines
515 B
PHP
41 lines
515 B
PHP
comment "subroutine prologue"
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.macro gdbasm_enter
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push %rbp
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mov %rsp,%rbp
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.endm
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comment "subroutine epilogue"
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.macro gdbasm_leave
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pop %rbp
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ret
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.endm
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.macro gdbasm_call subr
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call \subr
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.endm
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.macro gdbasm_several_nops
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nop
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nop
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nop
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nop
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.endm
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comment "exit (0)"
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.macro gdbasm_exit0
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hlt
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.endm
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comment "crt0 startup"
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.macro gdbasm_startup
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xor %rbp, %rbp
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.endm
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comment "Declare a data variable"
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.purgem gdbasm_datavar
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.macro gdbasm_datavar name value
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.data
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\name:
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.long \value
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.endm
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