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Move kernel symbolication code out of init.cpp and into its own KSym files.

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Also use a simple array of { dword, const char* } for the KSyms and put the
whole shebang in kmalloc_eternal() memory. This was a fugly source of
kmalloc perma-frag.
This commit is contained in:
Andreas Kling 2018-12-24 22:59:10 +01:00
commit 503e32552c
Notes: sideshowbarker 2024-07-19 16:07:27 +09:00
7 changed files with 163 additions and 157 deletions
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6
Kernel/ProcFileSystem.cpp
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@ -5,6 +5,7 @@
#include "MemoryManager.h"
#include "StdLib.h"
#include "i386.h"
#include "KSyms.h"
static ProcFS* s_the;
@ -116,15 +117,14 @@ ByteBuffer procfs$pid_stack(Process& process)
}
size_t bytesNeeded = 0;
for (auto& symbol : recognizedSymbols) {
bytesNeeded += symbol.ksym->name.length() + 8 + 16;
bytesNeeded += strlen(symbol.ksym->name) + 8 + 16;
}
auto buffer = ByteBuffer::create_uninitialized(bytesNeeded);
char* bufptr = (char*)buffer.pointer();
for (auto& symbol : recognizedSymbols) {
// FIXME: This doesn't actually create a file!
unsigned offset = symbol.address - symbol.ksym->address;
bufptr += ksprintf(bufptr, "%p %s +%u\n", symbol.address, symbol.ksym->name.characters(), offset);
bufptr += ksprintf(bufptr, "%p %s +%u\n", symbol.address, symbol.ksym->name, offset);
}
buffer.trim(bufptr - (char*)buffer.pointer());
return buffer;