35 lines
579 B
NASM
35 lines
579 B
NASM
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bits 64
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SECTION .data
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; holds 64-bit addresses of all jump target
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jumptable: dq switch.c1, switch.c2, switch.c3
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SECTION .text
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global _start
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_start:
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%include "header.asm.inc"
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; switch example
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mov rax, 1
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switch:
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cmp rax, 3
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jg .def
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jmp [jumptable + rax*8]
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.def: mov rbx, 0 ; default case
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jmp fin
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.c1: mov rbx, 1 ; case 1
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jmp fin
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.c2: mov rbx, 2 ; case 2
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jmp fin
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.c3: mov rbx, 3 ; case 3
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jmp fin
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; end of switch
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fin: nop
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%include "sysexit.asm.inc"
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