1
2# Test that the -randlayout flag randomizes function order and
3# generates a working binary.
4
5[short] skip
6
7# Build with random layout using one seed, then run ...
8go build -o prog123.exe -ldflags=-randlayout=123
9exec ./prog123.exe
10
11# ... now build with a different seed and run.
12go build -x -o prog456.exe -ldflags=-randlayout=456
13exec ./prog456.exe
14
15# Capture symbols (sorted by address)
16go tool nm prog123.exe
17cp stdout syms123.txt
18
19# Capture symbols (sorted by address)
20go tool nm prog456.exe
21cp stdout syms456.txt
22
23# Output should be different.
24! cmp syms123.txt syms456.txt
25
26-- go.mod --
27module main
28
29go 1.20
30
31-- mymain.go --
32package main
33
34func main() {
35 println("Hi mom!")
36}
37
38
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