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42 lines
524 B
PHP
42 lines
524 B
PHP
comment "subroutine prologue"
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.macro gdbasm_enter
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add -8,sp
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st.w r31,4[sp]
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st.w r29,0[sp]
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mov sp,r29
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.endm
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comment "subroutine epilogue"
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.macro gdbasm_leave
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mov r29,sp
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ld.w 0[sp],r29
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ld.w 4[sp],r31
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add 8,sp
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jmp [r31]
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.endm
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.macro gdbasm_call subr
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jarl \subr,r31
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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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halt
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.endm
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comment "crt0 startup"
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.macro gdbasm_startup
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movea 255,r0,r20
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mov r0, r21
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ori 65535, r0, r21
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movhi 32, r0, sp
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.endm
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