C++ (Cpp) _libelf_ar_open Exemples

Exemple #1

Fichier : elf_memory.c Projet : edgar-pek/PerspicuOS

Elf *
elf_memory(char *image, size_t sz)
{
	Elf *e;

	if (LIBELF_PRIVATE(version) == EV_NONE) {
		LIBELF_SET_ERROR(SEQUENCE, 0);
		return (NULL);
	}

	if (image == NULL || sz == 0) {
		LIBELF_SET_ERROR(ARGUMENT, 0);
		return (NULL);
	}

	if ((e = _libelf_allocate_elf()) == NULL)
		return (NULL);

	e->e_cmd = ELF_C_READ;
	e->e_rawfile = image;
	e->e_rawsize = sz;

#undef	LIBELF_IS_ELF
#define	LIBELF_IS_ELF(P) ((P)[EI_MAG0] == ELFMAG0 && 		\
	(P)[EI_MAG1] == ELFMAG1 && (P)[EI_MAG2] == ELFMAG2 &&	\
	(P)[EI_MAG3] == ELFMAG3)

	if (sz > EI_NIDENT && LIBELF_IS_ELF(image)) {
		_libelf_init_elf(e, ELF_K_ELF);
		e->e_class = image[EI_CLASS];
		e->e_byteorder = image[EI_DATA];
		e->e_version = image[EI_VERSION];

		if (e->e_version > EV_CURRENT) {
			e = _libelf_release_elf(e);
			LIBELF_SET_ERROR(VERSION, 0);
			return (NULL);
		}

		if ((e->e_byteorder != ELFDATA2LSB && e->e_byteorder !=
 		    ELFDATA2MSB) || (e->e_class != ELFCLASS32 && e->e_class !=
		    ELFCLASS64)) {
			e = _libelf_release_elf(e);
			LIBELF_SET_ERROR(HEADER, 0);
			return (NULL);
		}

	} else if (sz >= SARMAG &&
	    strncmp(image, ARMAG, (size_t) SARMAG) == 0) {
		_libelf_init_elf(e, ELF_K_AR);
		e = _libelf_ar_open(e);
	} else
		_libelf_init_elf(e, ELF_K_NONE);

	return (e);
}

Exemple #2

Fichier : libelf_memory.c Projet : rainaby/elftoolchain-mirror

Elf *
_libelf_memory(char *image, size_t sz, int reporterror)
{
	Elf *e;
	int e_class;
	enum Elf_Error error;
	unsigned int e_byteorder, e_version;

	assert(image != NULL);
	assert(sz > 0);

	if ((e = _libelf_allocate_elf()) == NULL)
		return (NULL);

	e->e_cmd = ELF_C_READ;
	e->e_rawfile = image;
	e->e_rawsize = sz;

#undef	LIBELF_IS_ELF
#define	LIBELF_IS_ELF(P) ((P)[EI_MAG0] == ELFMAG0 && 		\
	(P)[EI_MAG1] == ELFMAG1 && (P)[EI_MAG2] == ELFMAG2 &&	\
	(P)[EI_MAG3] == ELFMAG3)

	if (sz > EI_NIDENT && LIBELF_IS_ELF(image)) {
		e_byteorder = image[EI_DATA];
		e_class     = image[EI_CLASS];
		e_version   = image[EI_VERSION];

		error = ELF_E_NONE;

		if (e_version > EV_CURRENT)
			error = ELF_E_VERSION;
		else if ((e_byteorder != ELFDATA2LSB && e_byteorder !=
 		    ELFDATA2MSB) || (e_class != ELFCLASS32 && e_class !=
		    ELFCLASS64))
			error = ELF_E_HEADER;

		if (error != ELF_E_NONE) {
			if (reporterror) {
				LIBELF_PRIVATE(error) = LIBELF_ERROR(error, 0);
				(void) _libelf_release_elf(e);
				return (NULL);
			}
		} else {
			_libelf_init_elf(e, ELF_K_ELF);

			e->e_byteorder = e_byteorder;
			e->e_class = e_class;
			e->e_version = e_version;
		}
	} else if (sz >= SARMAG &&
	    strncmp(image, ARMAG, (size_t) SARMAG) == 0)
		return (_libelf_ar_open(e, reporterror));

	return (e);
}