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~ cat labels.e elf.e hello.e | ./quine > hello && chmod 755 hello && ./hello
: output-start-routine
current-offset L' start set-label
1 :rax mov-reg64-imm32
1 :rdi mov-reg64-imm64
origin L' greeting use-label + :rsi mov-reg64-imm64
L' greeting-size use-label :rdx mov-reg64-imm64
syscall
60 :rax mov-reg64-imm32
0 :rdi mov-reg64-imm32
syscall
;
: output-greeting
current-offset dup L' greeting set-label 3unroll
s" Hello, Irenes!" packstring
current-offset 4 roll - L' greeting-size set-label ;
~ (output memory start, current output point
~ -- output memory start, current output point)
~
~ Everything directly called by all-contents has this same interface.
~
: all-contents
elf-file-header
elf-program-header
output-start-routine
output-greeting
current-offset L' total-size set-label
;
' all-contents entry-to-execution-token label-loop
swap sys-write bye
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