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Merge pull request #271 from xairy/up-syscall-defines

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pkg/csourse: don't generate __NR_X defines for old syscalls
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Andrey Konovalov 2017-07-05 15:51:25 +02:00 committed by GitHub
commit 1b780baf30
1 changed files with 7 additions and 3 deletions
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10
pkg/csource/csource.go
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@ -59,9 +59,13 @@ func Write(p *prog.Prog, opts Options) ([]byte, error) {
handled[c.Meta.CallName] = c.Meta.NR
}
for name, nr := range handled {
fmt.Fprintf(w, "#ifndef __NR_%v\n", name)
fmt.Fprintf(w, "#define __NR_%v %v\n", name, nr)
fmt.Fprintf(w, "#endif\n")
// Only generate defines for new (added after commit 8a1ab3155c2ac on 2012-10-04) native syscalls.
// TODO: the syscall number 313 implies that we're dealing with linux/amd64.
if nr >= 313 && !strings.HasPrefix(name, "syz_") {
fmt.Fprintf(w, "#ifndef __NR_%v\n", name)
fmt.Fprintf(w, "#define __NR_%v %v\n", name, nr)
fmt.Fprintf(w, "#endif\n")
}
}
fmt.Fprintf(w, "\n")