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ELFLoader works inside the kernel!

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We load /_hello.o which just prints out a simple message.
It executes inside the kernel itself, so no fancy userspace process
or anything, but this is still so cool!
This commit is contained in:
Andreas Kling 2018-10-18 15:38:04 +02:00
parent 6ab0649ad6
commit 97e0d75bcb
10 changed files with 72 additions and 15 deletions
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8
ELFLoader/ELFImage.cpp
View file

@ -2,8 +2,8 @@
#include <AK/kstdio.h>
#ifdef SERENITY_KERNEL
ELFImage::ELFImage(const byte* data)
: m_data(data)
ELFImage::ELFImage(ByteBuffer&& buffer)
: m_buffer(buffer)
{
m_isValid = parse();
}
@ -137,7 +137,7 @@ const char* ELFImage::tableString(unsigned offset) const
const char* ELFImage::rawData(unsigned offset) const
{
#ifdef SERENITY_KERNEL
return reinterpret_cast<const char*>(m_data) + offset;
return reinterpret_cast<const char*>(m_buffer.pointer()) + offset;
#else
return reinterpret_cast<const char*>(m_file.pointer()) + offset;
#endif
@ -178,7 +178,7 @@ const ELFImage::RelocationSection ELFImage::Section::relocations() const
{
// FIXME: This is ugly.
char relocationSectionName[128];
ksprintf(relocationSectionName, ".rel%s", name());
int x = ksprintf(relocationSectionName, ".rel%s", name());
kprintf("looking for '%s'\n", relocationSectionName);
auto relocationSection = m_image.lookupSection(relocationSectionName);