bemanitools/src/main/hook/pe.h

#pragma once

#include <windows.h>

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

typedef IMAGE_IMPORT_DESCRIPTOR pe_iid_t;
typedef IMAGE_THUNK_DATA pe_thunk_t;

typedef DWORD(CALLBACK *dll_entry_t)(HMODULE self, DWORD reason, void *ctx);

struct pe_iat_entry {
    const char *name;
    uint16_t ordinal;
    void **ppointer;
};

const pe_iid_t *pe_iid_get_first(HMODULE pe);
const char *pe_iid_get_name(HMODULE pe, const pe_iid_t *iid);
const pe_iid_t *pe_iid_get_next(HMODULE pe, const pe_iid_t *iid);
HRESULT pe_iid_get_iat_entry(
    HMODULE pe, const pe_iid_t *iid, size_t n, struct pe_iat_entry *entry);
void *pe_get_export(HMODULE pe, const char *name, uint16_t ord);
void *pe_get_entry_point(HMODULE pe);
HRESULT pe_patch(void *dest, const void *src, size_t nbytes);

HRESULT pe_hijack_entrypoint(const char *filename, dll_entry_t *orig_entry);
void pe_resolve_imports(HMODULE target_pe);