36 lines
583 B
ArmAsm
36 lines
583 B
ArmAsm
.global _start, source_code
|
|
|
|
.section .rodata
|
|
.type SOURCE_BUFFER_SIZE, @object
|
|
.size SOURCE_BUFFER_SIZE, 4
|
|
SOURCE_BUFFER_SIZE: .long 4096
|
|
|
|
.section .bss
|
|
.type source_code, @object
|
|
.size source_code, 4096
|
|
source_code: .zero 4096
|
|
|
|
.section .text
|
|
|
|
_compile:
|
|
ret
|
|
|
|
_start:
|
|
# Read the source from the standard input.
|
|
la a0, source_code
|
|
la a1, SOURCE_BUFFER_SIZE # Buffer size.
|
|
lw a1, (a1)
|
|
call read_file
|
|
mv s1, a0
|
|
|
|
call _compile
|
|
|
|
# Write the source to the standard output.
|
|
la a0, source_code
|
|
mv a1, s1
|
|
call write_out
|
|
|
|
# Call exit.
|
|
li a0, 0 # Use 0 return code.
|
|
call exit
|