68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
|
#ifndef COSMOPOLITAN_TOOL_BUILD_LIB_ELFWRITER_H_
|
||
|
|
#define COSMOPOLITAN_TOOL_BUILD_LIB_ELFWRITER_H_
|
||
|
|
#include "libc/elf/struct/ehdr.h"
|
||
|
|
#include "libc/elf/struct/rela.h"
|
||
|
|
#include "libc/elf/struct/shdr.h"
|
||
|
|
#include "libc/elf/struct/sym.h"
|
||
|
|
#include "tool/build/lib/interner.h"
|
||
|
|
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
||
|
|
COSMOPOLITAN_C_START_
|
||
|
|
|
||
|
|
struct ElfWriter {
|
||
|
|
char *path;
|
||
|
|
char *tmppath;
|
||
|
|
int fd;
|
||
|
|
void *map;
|
||
|
|
size_t mapsize;
|
||
|
|
size_t wrote;
|
||
|
|
size_t entsize;
|
||
|
|
size_t addralign;
|
||
|
|
struct Elf64_Ehdr *ehdr;
|
||
|
|
struct {
|
||
|
|
size_t i, n;
|
||
|
|
Elf64_Shdr *p;
|
||
|
|
} shdrs[1];
|
||
|
|
struct ElfWriterSyms {
|
||
|
|
size_t i, n;
|
||
|
|
Elf64_Sym *p;
|
||
|
|
} syms[3][1];
|
||
|
|
struct {
|
||
|
|
size_t i, j, n;
|
||
|
|
struct ElfWriterRela {
|
||
|
|
uint64_t offset;
|
||
|
|
struct ElfWriterSymRef {
|
||
|
|
enum ElfWriterSymOrder {
|
||
|
|
kElfWriterSymSection,
|
||
|
|
kElfWriterSymLocal,
|
||
|
|
kElfWriterSymGlobal
|
||
|
|
} slg;
|
||
|
|
uint32_t sym;
|
||
|
|
} symkey;
|
||
|
|
uint32_t type;
|
||
|
|
int64_t addend;
|
||
|
|
} * p;
|
||
|
|
} relas[1];
|
||
|
|
struct Interner *strtab;
|
||
|
|
struct Interner *shstrtab;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ElfWriter *elfwriter_open(const char *, int) nodiscard;
|
||
|
|
void elfwriter_cargoculting(struct ElfWriter *);
|
||
|
|
void elfwriter_close(struct ElfWriter *);
|
||
|
|
void elfwriter_align(struct ElfWriter *, size_t, size_t);
|
||
|
|
size_t elfwriter_startsection(struct ElfWriter *, const char *, int, int);
|
||
|
|
void *elfwriter_reserve(struct ElfWriter *, size_t);
|
||
|
|
void elfwriter_commit(struct ElfWriter *, size_t);
|
||
|
|
void elfwriter_finishsection(struct ElfWriter *);
|
||
|
|
void elfwriter_appendrela(struct ElfWriter *, uint64_t, struct ElfWriterSymRef,
|
||
|
|
uint32_t, int64_t);
|
||
|
|
struct ElfWriterSymRef elfwriter_linksym(struct ElfWriter *, const char *, int,
|
||
|
|
int);
|
||
|
|
struct ElfWriterSymRef elfwriter_appendsym(struct ElfWriter *, const char *,
|
||
|
|
int, int, size_t, size_t);
|
||
|
|
void elfwriter_yoink(struct ElfWriter *, const char *);
|
||
|
|
|
||
|
|
COSMOPOLITAN_C_END_
|
||
|
|
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
|
||
|
|
#endif /* COSMOPOLITAN_TOOL_BUILD_LIB_ELFWRITER_H_ */
|