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Kernel: Support loading the kernel at almost arbitrary virtual addresses

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This enables further work on implementing KASLR by adding relocation
support to the pre-kernel and updating the kernel to be less dependent
on specific virtual memory layouts.
This commit is contained in:
Gunnar Beutner 2021-07-26 15:10:51 +02:00 • committed by Andreas Kling
parent e3d2ca6bd2
commit 57417a3d6e
20 changed files with 123 additions and 87 deletions
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2
Kernel/Process.cpp
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@ -375,7 +375,7 @@ void Process::crash(int signal, FlatPtr ip, bool out_of_memory)
if (out_of_memory) {
dbgln("\033[31;1mOut of memory\033[m, killing: {}", *this);
} else {
if (ip >= kernel_base && g_kernel_symbols_available) {
if (ip >= kernel_load_base && g_kernel_symbols_available) {
auto* symbol = symbolicate_kernel_address(ip);
dbgln("\033[31;1m{:p} {} +{}\033[0m\n", ip, (symbol ? symbol->name : "(k?)"), (symbol ? ip - symbol->address : 0));
} else {