blob: 025eb0fadd250cab2cf5b4c099c7393d7a2dc272 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
# Add 1 and 1, and return the result in the exit code.
#
# To run (from the subx directory):
# $ ./subx translate examples/ex2.subx -o examples/ex2
# $ ./subx run examples/ex2
# Expected result:
# $ echo $?
# 2
== code 0x09000000
Entry:
# EBX = 1
bb/copy-to-EBX 1/imm32
# increment EBX
43/increment-EBX
# syscall(exit, EBX)
b8/copy-to-EAX 1/imm32/exit
cd/syscall 0x80/imm8
== data 0x0a000000
# . . vim:nowrap:textwidth=0
|