dmd.backend.cgobj

Compiler implementation of the D programming language.

Members

Enums

FD_F0 anonymousenum FD_F0: Record types:
LOCATselfrel anonymousenum LOCATselfrel: Record types:
RHEADR anonymousenum RHEADR: Record types:

Functions

OmfObj_alias void OmfObj_alias(const(char)* n1, const(char)* n2): Output an alias definition record.
OmfObj_allowZeroSize bool OmfObj_allowZeroSize(): Do we allow zero sized objects?
OmfObj_byte void OmfObj_byte(int seg, targ_size_t offset, uint _byte): Output byte to object file.
OmfObj_bytes uint OmfObj_bytes(int seg, targ_size_t offset, uint nbytes, void* p): Output bytes to object file.
OmfObj_codeseg int OmfObj_codeseg(const char* name, int suffix): Define a new code segment. Input: name name of segment, if null then revert to default suffix 0 use name as is 1 append "_TEXT" to name Output: cseg segment index of new current code segment Coffset starting offset in cseg
OmfObj_comdatsize int OmfObj_comdatsize(Symbol* s, targ_size_t symsize): Setup for Symbol s to go into a COMDAT segment. Output (if s is a function): cseg segment index of new current code segment Coffset starting offset in cseg
OmfObj_compiler void OmfObj_compiler(): Embed compiler version in .obj file.
OmfObj_data_readonly int OmfObj_data_readonly(char* p, int len, int* pseg): Ouput read only data for data. Output: *pseg segment of that data
OmfObj_data_start int OmfObj_data_start(Symbol* sdata, targ_size_t datasize, int seg): Update data information about symbol align for output and assign segment if not already specified.
OmfObj_dosseg void OmfObj_dosseg(): Output DOSSEG coment record.
OmfObj_ehtables void OmfObj_ehtables(Symbol* sfunc, uint size, Symbol* ehsym): Stuff pointer to function in its own segment. Used for static ctor and dtor lists.
OmfObj_exestr void OmfObj_exestr(const(char)* p): Embed string in executable.
OmfObj_export_symbol void OmfObj_export_symbol(Symbol* s, uint argsize): Export a function name.
OmfObj_external int OmfObj_external(Symbol* s): Output an external definition. Input: s Symbol to do EXTDEF on
OmfObj_far16thunk void OmfObj_far16thunk(Symbol* s): Generate far16 thunk. Input: s Symbol to generate a thunk for
OmfObj_fardata int OmfObj_fardata(char* name, targ_size_t size, targ_size_t* poffset): Define a far data segment. Input: name Name of module size Size of the segment to be created
OmfObj_fltused void OmfObj_fltused(): Mark object file as using floating point.
OmfObj_func_term void OmfObj_func_term(Symbol* sfunc): Update function info after codgen
OmfObj_import void OmfObj_import(elem* e): Convert reference to imported name.
OmfObj_includelib bool OmfObj_includelib(const(char)* name): Output library name. Output: name is modified
OmfObj_init Obj OmfObj_init(Outbuffer* objbuf, const(char)* filename, const(char)* csegname): Perform initialization that applies to all .obj output files. Input: filename source file name csegname code segment name (can be null)
OmfObj_initfile void OmfObj_initfile(const(char)* filename, const(char)* csegname, const(char)* modname): Initialize the start of object output for this particular .obj file.
OmfObj_jmpTableSegment int OmfObj_jmpTableSegment(Symbol* s)
OmfObj_ledata void OmfObj_ledata(int seg, targ_size_t offset, targ_size_t data, uint lcfd, uint idx1, uint idx2): Output word of data. (Two words if segment:offset pair.) Input: seg CODE, DATA, CDATA, UDATA offset offset of start of data data word of data lcfd LCxxxx | FDxxxx if (FD_F2 | FD_T6) idx1 = external Symbol # else idx1 = frame datum idx2 = target datum
OmfObj_lidata void OmfObj_lidata(int seg, targ_size_t offset, targ_size_t count): Output an iterated data block of 0s. (uninitialized data only)
OmfObj_linkerdirective bool OmfObj_linkerdirective(const(char)* name): Output linker directive. Output: directive is modified
OmfObj_linnum void OmfObj_linnum(Srcpos srcpos, int seg, targ_size_t offset): Record line number linnum at offset.
OmfObj_lzext void OmfObj_lzext(Symbol* s1, Symbol* s2): Output a lazy extern record. s1 is the lazy extern, s2 is its default resolution.
OmfObj_mangle size_t OmfObj_mangle(Symbol* s, char* dest): Mangle a name.
OmfObj_moduleinfo void OmfObj_moduleinfo(Symbol* scc): Append pointer to ModuleInfo to "FM" segment. The FM segment is bracketed by the empty FMB and FME segments.
OmfObj_reftocodeseg void OmfObj_reftocodeseg(int seg, targ_size_t offset, targ_size_t val): Refer to address that is in the code segment. Only offsets are output, regardless of the memory model. Used to put values in switch address tables. Input: seg = where the address is going (CODE or DATA) offset = offset within seg val = displacement from start of this module
OmfObj_reftodatseg void OmfObj_reftodatseg(int seg, targ_size_t offset, targ_size_t val, uint targetdatum, int flags): Refer to address that is in the data segment. Input: seg = where the address is going offset = offset within seg val = displacement from address targetdatum = DATA, CDATA or UDATA, depending where the address is flags = CFoff, CFseg
OmfObj_reftofarseg void OmfObj_reftofarseg(int seg, targ_size_t offset, targ_size_t val, int farseg, int flags): Refer to address that is in a far segment. Input: seg = where the address is going offset = offset within seg val = displacement from address farseg = far segment index flags = CFoff, CFseg
OmfObj_reftoident int OmfObj_reftoident(int seg, targ_size_t offset, Symbol* s, targ_size_t val, int flags): Refer to an identifier. Input: seg = where the address is going (CODE or DATA) offset = offset within seg s . Symbol table entry for identifier val = displacement from identifier flags = CFselfrel: self-relative CFseg: get segment CFoff: get offset
OmfObj_segment_group void OmfObj_segment_group(targ_size_t codesize, targ_size_t datasize, targ_size_t cdatasize, targ_size_t udatasize): Output segment and group definitions. Input: codesize size of code segment datasize size of initialized data segment cdatasize size of initialized const data segment udatasize size of uninitialized data segment
OmfObj_setModuleCtorDtor void OmfObj_setModuleCtorDtor(Symbol* s, bool isCtor): Set up function to be called as static constructor on program startup or static destructor on program shutdown.
OmfObj_setcodeseg void OmfObj_setcodeseg(int seg): Reset code seg to existing seg. Used after a COMDAT for a function is done.
OmfObj_startaddress void OmfObj_startaddress(Symbol* s): Set start address
OmfObj_staticctor void OmfObj_staticctor(Symbol* s, int dtor, int seg): Symbol is the function that calls the static constructors. Put a pointer to it into a special segment that the startup code looks at. Input: s static constructor function dtor number of static destructors seg 1: user 2: lib 3: compiler
OmfObj_string_literal_segment int OmfObj_string_literal_segment(uint sz): Get segment for readonly string literals. The linker will pool strings in this section.
OmfObj_sym_cdata Symbol* OmfObj_sym_cdata(tym_t ty, char* p, int len): Output read only data and generate a symbol for it.
OmfObj_term void OmfObj_term(const(char)* objfilename): Terminate package.
OmfObj_termfile void OmfObj_termfile(): Fixup and terminate object file.
OmfObj_theadr void OmfObj_theadr(const(char)* modname): Output module name record.
OmfObj_tlsseg_bss seg_data* OmfObj_tlsseg_bss(): Define segment for Thread Local Storage. Output: tlsseg set to segment number for TLS segment.
OmfObj_user void OmfObj_user(const(char)* p): Embed string in obj.
OmfObj_wkext void OmfObj_wkext(Symbol* s1, Symbol* s2): Output a weak extern record. s1 is the weak extern, s2 is its default resolution.
OmfObj_write_byte void OmfObj_write_byte(seg_data* pseg, uint _byte): Append byte to segment.
OmfObj_write_bytes void OmfObj_write_bytes(seg_data* pseg, uint nbytes, void* p): Append bytes to segment.
OmfObj_write_long void OmfObj_write_long(int seg, targ_size_t offset, uint data, uint lcfd, uint idx1, uint idx2): Output long word of data. Input: seg CODE, DATA, CDATA, UDATA offset offset of start of data data long word of data Present only if size == 2: lcfd LCxxxx | FDxxxx if (FD_F2 | FD_T6) idx1 = external Symbol # else idx1 = frame datum idx2 = target datum
OmfObj_write_pointerRef void OmfObj_write_pointerRef(Symbol* s, uint soff): write a reference to a mutable pointer into the object file
OmfObj_write_zeros void OmfObj_write_zeros(seg_data* pseg, targ_size_t count): Append an iterated data block of 0s. (uninitialized data only)
SEG_ATTR uint SEG_ATTR(uint A, uint C, uint B, uint P): For defining segments.
error void error(const(char)* filename, uint linnum, uint charnum, const(char)* format, ...): Insert an index number. Input: p . where to put the 1 or 2 byte index index = the 15 bit index
getindex int getindex(ubyte* p): Read index.
getsegment seg_data* getsegment(): Allocate a new segment. Return index for the new segment.
instypidx int instypidx(char* p, uint index): Insert a type index number. Input: p . where to put the 1 or 2 byte index index = the 15 bit index
objrecord void objrecord(uint rectyp, const(char)* record, uint reclen): Output an object file data record. Input: rectyp = record type record . the data reclen = # of bytes in record

Manifest constants

CODECLASS enum CODECLASS;: Output header stuff for object files. Input: csegname Name to use for code segment (null if use default)
LEDATAMAX enum LEDATAMAX;: Ledata records
LINNUMMAX enum LINNUMMAX;: Line number support.
ONS_OHD enum ONS_OHD;

Static functions

storelength uint storelength(uint length, uint i): Output a common block definition. Input: p . external identifier flag TRUE: in default data segment FALSE: not in default data segment size size in bytes of each elem count number of elems

Structs

FIXUP struct FIXUP: Fixup list.
Objstate struct Objstate: State of object file.

dmd.backend.cgobj

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