forked from Lephenixnoir/fxos
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
//---------------------------------------------------------------------------//
|
|
// 1100101 |_ mov #0, r4 __ //
|
|
// 11 |_ <0xb380 %5c4> / _|_ _____ ___ //
|
|
// 0110 |_ 3.50 -> 3.60 | _\ \ / _ (_-< //
|
|
// |_ base# + offset |_| /_\_\___/__/ //
|
|
//---------------------------------------------------------------------------//
|
|
|
|
#include <fxos/vspace.h>
|
|
#include <fxos/os.h>
|
|
#include <cstring>
|
|
|
|
namespace FxOS {
|
|
|
|
Binding::Binding(MemoryRegion source_region, Buffer const &source_buffer):
|
|
region {source_region}, buffer {source_buffer, region.size()}
|
|
{
|
|
}
|
|
|
|
char const *Binding::translate_dynamic(uint32_t addr, int *size)
|
|
{
|
|
if(addr >= region.start && addr < region.end) {
|
|
*size = region.end - addr;
|
|
return buffer.data.get() + (addr - region.start);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
VirtualSpace::VirtualSpace():
|
|
mpu {}, bindings {}, cursor {0}, disasm {*this}, m_os {nullptr}
|
|
{
|
|
}
|
|
|
|
OS *VirtualSpace::os_analysis(bool force)
|
|
{
|
|
if(!m_os || force) {
|
|
m_os = std::make_unique<OS>(*this);
|
|
/* We don't keep an OS analysis result that failed */
|
|
if(m_os->type == OS::UNKNOWN)
|
|
m_os = nullptr;
|
|
}
|
|
return m_os.get();
|
|
}
|
|
|
|
void VirtualSpace::bind_region(MemoryRegion const ®ion, Buffer const &buf)
|
|
{
|
|
this->bindings.emplace(this->bindings.begin(), region, buf);
|
|
}
|
|
|
|
char const *VirtualSpace::translate_dynamic(uint32_t addr, int *size)
|
|
{
|
|
for(auto &b: this->bindings) {
|
|
char const *ptr = b.translate_dynamic(addr, size);
|
|
if(ptr)
|
|
return ptr;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
} /* namespace FxOS */
|