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Add a kmalloc_eternal() for things that will never be destroyed.

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This commit is contained in:
Andreas Kling 2018-10-31 23:19:15 +01:00
parent d980ddc745
commit 9a086b2d35
20 changed files with 85 additions and 20 deletions
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9
Kernel/init.cpp
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@ -48,9 +48,9 @@ static byte parseHexDigit(char nibble)
return 10 + (nibble - 'a');
}
static Vector<KSym>* s_ksyms;
static Vector<KSym, KmallocEternalAllocator>* s_ksyms;
Vector<KSym>& ksyms()
Vector<KSym, KmallocEternalAllocator>& ksyms()
{
return *s_ksyms;
}
@ -68,7 +68,9 @@ const KSym* ksymbolicate(dword address)
static void loadKsyms(const ByteBuffer& buffer)
{
s_ksyms = new Vector<KSym>;
// FIXME: It's gross that this vector grows dynamically rather than being sized-to-fit.
// We're wasting that eternal kmalloc memory.
s_ksyms = new Vector<KSym, KmallocEternalAllocator>;
auto* bufptr = (const char*)buffer.pointer();
auto* startOfName = bufptr;
dword address = 0;
@ -83,6 +85,7 @@ static void loadKsyms(const ByteBuffer& buffer)
break;
}
}
// FIXME: The Strings here should be eternally allocated too.
ksyms().append({ address, String(startOfName, bufptr - startOfName) });
++bufptr;
}