mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-24 23:09:02 +00:00
f531acc8f9
- Invent openatemp() API - Invent O_UNLINK open flag - Introduce getenv_secure() API - Remove `git pull` from cosmocc - Fix utimes() when path is NULL - Fix mktemp() to never return NULL - Fix utimensat() UTIME_OMIT on XNU - Improve utimensat() code for RHEL5 - Turn `argv[0]` C:/ to /C/ on Windows - Introduce tmpnam() and tmpnam_r() APIs - Fix more const issues with internal APIs - Permit utimes() on WIN32 in O_RDONLY mode - Fix fdopendir() to check fd is a directory - Fix recent crash regression in landlock make - Fix futimens(AT_FDCWD, NULL) to return EBADF - Use workaround so `make -j` doesn't fork bomb - Rename dontdiscard to __wur (just like glibc) - Fix st_size for WIN32 symlinks containing UTF-8 - Introduce stdio ext APIs needed by GNU coreutils - Fix lstat() on WIN32 for symlinks to directories - Move some constants from normalize.inc to limits.h - Fix segv with memchr() and memcmp() overlapping page - Implement POSIX fflush() behavior for reader streams - Implement AT_SYMLINK_NOFOLLOW for utimensat() on WIN32 - Don't change read-only status of existing files on WIN32 - Correctly handle `0x[^[:xdigit:]]` case in strtol() functions
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
#ifndef COSMOPOLITAN_TOOL_BUILD_LIB_ELFWRITER_H_
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#define COSMOPOLITAN_TOOL_BUILD_LIB_ELFWRITER_H_
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#include "libc/calls/struct/timespec.h"
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#include "libc/elf/struct/ehdr.h"
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#include "libc/elf/struct/rela.h"
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#include "libc/elf/struct/shdr.h"
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#include "libc/elf/struct/sym.h"
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#include "tool/build/lib/interner.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct ElfWriterSyms {
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size_t i, n;
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Elf64_Sym *p;
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};
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enum ElfWriterSymOrder {
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kElfWriterSymSection,
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kElfWriterSymLocal,
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kElfWriterSymGlobal
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};
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struct ElfWriterSymRef {
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int slg;
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uint32_t sym;
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};
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struct ElfWriterRela {
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uint64_t offset;
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struct ElfWriterSymRef symkey;
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uint32_t type;
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int64_t addend;
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};
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struct ElfWriter {
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char *path;
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int fd;
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void *map;
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size_t mapsize;
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size_t wrote;
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size_t entsize;
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size_t addralign;
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struct Elf64_Ehdr *ehdr;
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struct {
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size_t i, n;
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Elf64_Shdr *p;
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} shdrs[1];
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struct ElfWriterSyms syms[3][1];
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struct {
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size_t i, j, n;
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struct ElfWriterRela *p;
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} relas[1];
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struct Interner *strtab;
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struct Interner *shstrtab;
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};
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struct ElfWriter *elfwriter_open(const char *, int) __wur;
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void elfwriter_cargoculting(struct ElfWriter *);
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void elfwriter_close(struct ElfWriter *);
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void elfwriter_align(struct ElfWriter *, size_t, size_t);
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size_t elfwriter_startsection(struct ElfWriter *, const char *, int, int);
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void *elfwriter_reserve(struct ElfWriter *, size_t);
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void elfwriter_commit(struct ElfWriter *, size_t);
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void elfwriter_finishsection(struct ElfWriter *);
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void elfwriter_appendrela(struct ElfWriter *, uint64_t, struct ElfWriterSymRef,
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uint32_t, int64_t);
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uint32_t elfwriter_relatype_pc32(const struct ElfWriter *);
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uint32_t elfwriter_relatype_abs32(const struct ElfWriter *);
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struct ElfWriterSymRef elfwriter_linksym(struct ElfWriter *, const char *, int,
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int);
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struct ElfWriterSymRef elfwriter_appendsym(struct ElfWriter *, const char *,
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int, int, size_t, size_t);
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void elfwriter_yoink(struct ElfWriter *, const char *, int);
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void elfwriter_setsection(struct ElfWriter *, struct ElfWriterSymRef, uint16_t);
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void elfwriter_zip(struct ElfWriter *, const char *, const char *, size_t,
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const void *, size_t, uint32_t, struct timespec,
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struct timespec, struct timespec, bool);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_TOOL_BUILD_LIB_ELFWRITER_H_ */
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