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// SPDX-License-Identifier: GPL-2.0
/*
* A static call to a trampoline whose key symbol this object cannot see.
*
* That is the normal situation for a module: __SCK__* keys are not exported,
* and read-only access is granted at load time instead. objtool's static call
* handling has to accept it for any module, including a livepatch module built
* by hand rather than by klp-build.
*
* LIVEPATCH adds the .modinfo tag which makes objtool treat this as a
* livepatch module.
*/
static const char __modinfo[]
__attribute__((section(".modinfo"), used, aligned(1))) =
#ifdef LIVEPATCH
"\0livepatch=Y"
#endif
"\0name=klp_testmod";
/*
* The trampoline is undefined here, exactly as it is for a module calling a
* static call defined in vmlinux. No __SCK__klp_test_call accompanies it.
*/
extern void __SCT__klp_test_call(void);
int target(int x)
{
__asm__ volatile("call __SCT__klp_test_call\n\t" ::: "memory");
return x + 1;
}
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