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Kernel: Tell compiler about invisible calls

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This makes the Kernel build cleanly with -Wmissing-declarations.
This commit is contained in:
Ben Wiederhake 2020-08-11 23:33:37 +02:00 • committed by Andreas Kling
parent 8a41ce5cc7
commit 936d5dcc01
3 changed files with 47 additions and 28 deletions
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17
Kernel/StdLib.cpp
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@ -282,11 +282,6 @@ char* strstr(const char* haystack, const char* needle)
return const_cast<char*>(haystack);
}
[[noreturn]] void __cxa_pure_virtual()
{
ASSERT_NOT_REACHED();
}
void* realloc(void* p, size_t s)
{
return krealloc(p, s);
@ -297,6 +292,13 @@ void free(void* p)
return kfree(p);
}
// Functions that are automatically called by the C++ compiler.
// Declare them first, to tell the silly compiler that they are indeed being used.
[[noreturn]] void __stack_chk_fail();
[[noreturn]] void __stack_chk_fail_local();
extern "C" int __cxa_atexit(void (*)(void*), void*, void*);
[[noreturn]] void __cxa_pure_virtual();
[[noreturn]] void __stack_chk_fail()
{
ASSERT_NOT_REACHED();
@ -312,4 +314,9 @@ extern "C" int __cxa_atexit(void (*)(void*), void*, void*)
ASSERT_NOT_REACHED();
return 0;
}
[[noreturn]] void __cxa_pure_virtual()
{
ASSERT_NOT_REACHED();
}
}