{

uint8 magic_l;

uint8 magic_x;

uint8 byte_order;

uint8 word_order;

uint32 lx_version;

uint16 cpu_type;

uint16 os_type;

uint32 module_version;

uint32 module_flags;

uint32 module_num_pages;

uint32 eip_object;

uint32 eip;

uint32 esp_object;

uint32 esp;

uint32 page_size;

uint32 page_offset_shift;

uint32 fixup_section_size;

uint32 fixup_section_checksum;

uint32 loader_section_size;

uint32 loader_section_checksum;

uint32 object_table_offset;

uint32 module_num_objects;

uint32 object_page_table_offset;

uint32 object_iter_pages_offset;

uint32 resource_table_offset;

uint32 num_resource_table_entries;

uint32 resident_name_table_offset;

uint32 entry_table_offset;

uint32 module_directives_offset;

uint32 num_module_directives;

uint32 fixup_page_table_offset;

uint32 fixup_record_table_offset;

uint32 import_module_table_offset;

uint32 num_import_mod_entries;

uint32 import_proc_table_offset;

uint32 per_page_checksum_offset;

uint32 data_pages_offset;

uint32 num_preload_pages;

uint32 non_resident_name_table_offset;

uint32 non_resident_name_table_len;

uint32 non_resident_name_table_checksum;

uint32 auto_ds_object_num;

uint32 debug_info_offset;

uint32 debug_info_len;

uint32 num_instance_preload;

uint32 num_instance_demand;

uint32 heapsize;

{

uint32 virtual_size;

uint32 reloc_base_addr;

uint32 object_flags;

uint32 page_table_index;

uint32 num_page_table_entries;

uint32 reserved;

{

uint32 page_data_offset;

uint16 data_size;

uint16 flags;

{

uint16 type_id;

uint16 name_id;

uint32 resource_size;

uint16 object;

uint32 offset;

{

void *mapped;

void *addr;

size_t size;

uint16 alias; // 16:16 alias, if one.

{

uint32 ordinal;

const char *name; // can be NULL

void *addr;

const LxMmaps *object;

{

LxHeader lx;

uint32 refcount;

char name[256]; // !!! FIXME: allocate this.

LxModule **dependencies;

LxMmaps *mmaps;

const LxExport *exports;

uint32 num_exports;

void *nativelib;

uint32 eip;

uint32 esp;

int initialized;

char *os2path; // absolute path to module, in OS/2 format

// !!! FIXME: put this elsewhere?

uint32 signal_exception_focus_count;

LxModule *prev; // all loaded modules are in a doubly-linked list.

LxModule *next; // all loaded modules are in a doubly-linked list.

{

uint32 tib2_ultid;

uint32 tib2_ulpri;

uint32 tib2_version;

uint16 tib2_usMCCount;

uint16 tib2_fMCForceFlag;

{

void *tib_pexchain;

void *tib_pstack;

void *tib_pstacklimit;

LxTIB2 *tib_ptib2;

uint32 tib_version;

uint32 tib_ordinal;

{

uint32 pib_ulpid;

uint32 pib_ulppid;

void *pib_hmte;

char *pib_pchcmd;

char *pib_pchenv;

uint32 pib_flstatus;

uint32 pib_ultype;

{

LxModule *loaded_modules;

LxModule *main_module;

uint8 main_tibspace[LXTIBSIZE];

LxPIB pib;

int subprocess;

int running;

int trace_native;

uint16 original_cs;

uint16 original_ds;

uint16 original_es;

uint16 original_ss;

uint32 ldt[8192];

char *libpath;

uint32 libpathlen;

uint32 *tlspage;

uint32 tlsmask; // one bit for each TLS slot in use.

uint8 tlsallocs[32]; // number of TLS slots allocated in one block, indexed by starting block (zero if not the starting block).

void (*dosExit)(uint32 action, uint32 result);

uint16 (*initOs2Tib)(uint8 *tibspace, void *_topOfStack, const size_t stacklen, const uint32 tid);

void (*deinitOs2Tib)(const uint16 selector);

int (*findSelector)(const uint32 addr, uint16 *outselector, uint16 *outoffset);

void (*freeSelector)(const uint16 selector);

void *(*convert1616to32)(const uint32 addr1616);

uint32 (*convert32to1616)(void *addr32);

LxModule *(*loadModule)(const char *modname);

int (*locatePathCaseInsensitive)(char *buf);

char *(*makeUnixPath)(const char *os2path, uint32 *err);

char *(*makeOS2Path)(const char *fname);

void __attribute__((noreturn)) (*terminate)(const uint32 exitcode);