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// SPDX-License-Identifier: GPL-2.0
/*
* A reference which only exists in the patched build. The symbol has no twin
* in the original object, so what klp diff may do with it depends entirely on
* whether Module.symvers says it is exported, and by what.
*/
static const char __modinfo[]
__attribute__((section(".modinfo"), used, aligned(1))) = "\0name=vmlinux";
extern int newly_referenced(int x);
/*
* A reference both builds have. When Module.symvers says a module exports
* this one, the original already depends on that module, which is what makes
* a new reference to it safe -- the loader will not let the patched module
* load without it. EXISTING_DEP leaves it out, for the case where there is
* no such dependency to inherit.
*/
extern int existing_dep(int x);
int target(int x)
{
#ifdef EXISTING_DEP
int base = existing_dep(x);
#else
int base = x;
#endif
#ifdef PATCHED
return newly_referenced(base);
#else
return base + 1;
#endif
}
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