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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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10
Task/Machine-code/COBOL/machine-code-1.cobol Normal file
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pushq %rbp
movq %rsp, %rbp
movl %edi, -0x4(%rbp)
movl %esi, -0x8(%rbp)
movl -0x4(%rbp), %esi
addl -0x8(%rbp), %esi
movl %esi, -0xc(%rbp)
movl -0xc(%rbp), %eax
popq %rbp
retq

71
Task/Machine-code/COBOL/machine-code-2.cobol Normal file
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>>SOURCE FORMAT IS FIXED
IDENTIFICATION DIVISION.
PROGRAM-ID. MC.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 INSTRUCTIONS.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'55'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'48'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'89'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'E5'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'89'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'7D'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'FC'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'89'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'75'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'F8'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'8B'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'75'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'FC'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'03'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'75'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'F8'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'89'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'75'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'F4'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'8B'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'45'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'F4'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'5D'.
03 USAGE BINARY-CHAR UNSIGNED VALUE H'C3'.
01 MMAP.
03 MMAP-ADDR USAGE POINTER VALUE NULL.
03 MMAP-LEN USAGE BINARY-LONG UNSIGNED VALUE 24.
03 MMAP-PROT USAGE BINARY-INT VALUE H'0007'.
03 MMAP-FLAGS USAGE BINARY-INT VALUE H'1002'.
03 MMAP-FD USAGE BINARY-INT VALUE -1.
03 MMAP-OFFSET USAGE BINARY-LONG VALUE 0.
03 CODE-PTR USAGE PROCEDURE-POINTER.
01 ARG-A USAGE BINARY-INT VALUE 7.
01 ARG-B USAGE BINARY-INT VALUE 12.
01 RESULT USAGE BINARY-INT.
LINKAGE SECTION.
01 MACHINE-CODE PIC X(24).
PROCEDURE DIVISION.
MAIN SECTION.
PERFORM SET-UP.
CALL CODE-PTR USING
BY VALUE ARG-A
BY VALUE ARG-B
RETURNING RESULT.
DISPLAY RESULT.
PERFORM TEAR-DOWN.
STOP RUN.
SET-UP SECTION.
CALL 'mmap' USING
BY VALUE MMAP-ADDR
BY VALUE MMAP-LEN
BY VALUE MMAP-PROT
BY VALUE MMAP-FLAGS
BY VALUE MMAP-FD
BY VALUE MMAP-OFFSET
RETURNING CODE-PTR.
SET ADDRESS OF MACHINE-CODE TO CODE-PTR.
MOVE INSTRUCTIONS TO MACHINE-CODE.
TEAR-DOWN SECTION.
SET ADDRESS OF MACHINE-CODE TO NULL.
CALL 'munmap' USING
BY VALUE CODE-PTR
BY VALUE MMAP-LEN.