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AK: Make MappedFile heap-allocated and ref-counted

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Let's adapt this class a bit better to how it's actually being used.

Instead of having valid/invalid states and storing an error in case
it's invalid, a MappedFile is now always valid, and the factory
function that creates it will return an OSError if mapping fails.
This commit is contained in:
Andreas Kling
2021-01-10 15:55:54 +01:00
parent 70fce5c4c7
commit 2f3b901f7f
36 changed files with 184 additions and 199 deletions
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6
DevTools/HackStudio/Debugger/DisassemblyModel.cpp
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@@ -51,10 +51,10 @@ DisassemblyModel::DisassemblyModel(const Debug::DebugSession& debug_session, con
const ELF::Image* elf = nullptr;
if (containing_function.value().address_low >= 0xc0000000) {
auto kernel_file = make<MappedFile>("/boot/Kernel");
if (!kernel_file->is_valid())
auto file_or_error = MappedFile::map("/boot/Kernel");
if (file_or_error.is_error())
return;
kernel_elf = make<ELF::Image>((const u8*)kernel_file->data(), kernel_file->size());
kernel_elf = make<ELF::Image>(file_or_error.value()->bytes());
elf = kernel_elf.ptr();
} else {
elf = &lib->debug_info->elf();