diff options
Diffstat (limited to 'src/cmd/ld/lib.h')
| -rw-r--r-- | src/cmd/ld/lib.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/cmd/ld/lib.h b/src/cmd/ld/lib.h index 652d845fb..bcf297116 100644 --- a/src/cmd/ld/lib.h +++ b/src/cmd/ld/lib.h @@ -40,6 +40,34 @@ struct Library char *pkg; // import path }; +// Terrible but standard terminology. +// A segment describes a block of file to load into memory. +// A section further describes the pieces of that block for +// use in debuggers and such. + +typedef struct Segment Segment; +typedef struct Section Section; + +struct Segment +{ + uchar rwx; // permission as usual unix bits (5 = r-x etc) + uvlong vaddr; // virtual address + uvlong len; // length in memory + uvlong fileoff; // file offset + uvlong filelen; // length on disk + Section* sect; +}; + +struct Section +{ + uchar rwx; + char *name; + uvlong vaddr; + uvlong len; + Section *next; // in segment list + Segment *seg; +}; + extern char symname[]; extern char *libdir[]; extern int nlibdir; @@ -64,11 +92,18 @@ EXTERN uchar inuxi8[8]; EXTERN char* outfile; EXTERN int32 nsymbol; EXTERN char* thestring; +EXTERN int ndynexp; + +EXTERN Segment segtext; +EXTERN Segment segdata; +EXTERN Segment segsym; void addlib(char *src, char *obj); void addlibpath(char *srcref, char *objref, char *file, char *pkg); +Section* addsection(Segment*, char*, int); void copyhistfrog(char *buf, int nbuf); void addhist(int32 line, int type); +void asmlc(void); void histtoauto(void); void collapsefrog(Sym *s); Sym* lookup(char *symb, int v); @@ -83,20 +118,82 @@ void readundefs(char *f, int t); int32 Bget4(Biobuf *f); void loadlib(void); void errorexit(void); +void mangle(char*); void objfile(char *file, char *pkg); void libinit(void); +void pclntab(void); +void symtab(void); void Lflag(char *arg); void usage(void); +void adddynrel(Sym*, Reloc*); void ldobj1(Biobuf *f, char*, int64 len, char *pn); void ldobj(Biobuf*, char*, int64, char*, int); +void ldelf(Biobuf*, char*, int64, char*); +void ldmacho(Biobuf*, char*, int64, char*); void ldpkg(Biobuf*, char*, int64, char*, int); void mark(Sym *s); +void mkfwd(void); char* expandpkg(char*, char*); void deadcode(void); +void ewrite(int, void*, int); +Reloc* addrel(Sym*); +void codeblk(int32, int32); +void datblk(int32, int32); +Sym* datsort(Sym*); +void reloc(void); +void relocsym(Sym*); +void savedata(Sym*, Prog*); +void symgrow(Sym*, int32); +vlong addstring(Sym*, char*); +vlong adduint32(Sym*, uint32); +vlong adduint64(Sym*, uint64); +vlong addaddr(Sym*, Sym*); +vlong addaddrplus(Sym*, Sym*, int32); +vlong addpcrelplus(Sym*, Sym*, int32); +vlong addsize(Sym*, Sym*); +vlong adduint8(Sym*, uint8); +vlong adduint16(Sym*, uint16); +void asmsym(void); +void asmelfsym64(void); +void strnput(char*, int); +void dodata(void); +void address(void); +void textaddress(void); +void genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*)); +vlong datoff(vlong); +void adddynlib(char*); +int archreloc(Reloc*, Sym*, vlong*); +void adddynsym(Sym*); +void addexport(void); int pathchar(void); void* mal(uint32); +void unmal(void*, uint32); void mywhatsys(void); +int rbyoff(const void*, const void*); + +uint16 le16(uchar*); +uint32 le32(uchar*); +uint64 le64(uchar*); +uint16 be16(uchar*); +uint32 be32(uchar*); +uint64 be64(uchar*); + +typedef struct Endian Endian; +struct Endian +{ + uint16 (*e16)(uchar*); + uint32 (*e32)(uchar*); + uint64 (*e64)(uchar*); +}; + +extern Endian be, le; + +// relocation size bits +enum { + Rbig = 128, + Rlittle = 64, +}; /* set by call to mywhatsys() */ extern char* goroot; |