33 lines
575 B
Plaintext
33 lines
575 B
Plaintext
.global _start, source_code
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.equ SYS_READ, 63
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.equ SYS_WRITE, 64
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.equ SYS_EXIT, 93
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.equ STDIN, 0
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.equ STDOUT, 1
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.equ STDERR, 2
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.equ SOURCE_BUFFER_SIZE, 2048
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.section .bss
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.type source_code, @object
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.size source_code, SOURCE_BUFFER_SIZE
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source_code: .zero SOURCE_BUFFER_SIZE
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.section .text
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_start:
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# Read the source from the standard input.
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la a0, source_code
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li a1, SOURCE_BUFFER_SIZE # Buffer size.
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call read_file
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# Write the source to the standard output.
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mv a1, a0
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la a0, source_code
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call write_out
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# Call exit.
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li a0, 0 # Use 0 return code.
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call exit
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