elf64_getehdr(3elf) [xfree86 man page]
elf32_getehdr(3ELF) ELF Library Functions elf32_getehdr(3ELF) NAME
elf32_getehdr, elf32_newehdr, elf64_getehdr, elf64_newehdr - retrieve class-dependent object file header SYNOPSIS
cc [ flag ... ] file ... -lelf [ library ... ] #include <libelf.h> Elf32_Ehdr *elf32_getehdr(Elf *elf); Elf32_Ehdr *elf32_newehdr(Elf *elf); Elf64_Ehdr *elf64_getehdr(Elf *elf); Elf64_Ehdr *elf64_newehdr(Elf *elf); DESCRIPTION
For a 32-bit class file, elf32_getehdr() returns a pointer to an ELF header, if one is available for the ELF descriptor elf. If no header exists for the descriptor, elf32_newehdr() allocates a clean one, but it otherwise behaves the same as elf32_getehdr(). It does not allo- cate a new header if one exists already. If no header exists for elf32_getehdr(), one cannot be created for elf32_newehdr(), a system error occurs, the file is not a 32-bit class file, or elf is NULL, both functions return a null pointer. For the 64-bit class, replace 32 with 64 as appropriate. The header includes the following members: unsigned char e_ident[EI_NIDENT]; Elf32_Half e_type; Elf32_Half e_machine; Elf32_Word e_version; Elf32_Addr e_entry; Elf32_Off e_phoff; Elf32_Off e_shoff; Elf32_Word e_flags; Elf32_Half e_ehsize; Elf32_Half e_phentsize; Elf32_Half e_phnum; Elf32_Half e_shentsize; Elf32_Half e_shnum; Elf32_Half e_shstrndx; The elf32_newehdr() function automatically sets the ELF_F_DIRTY bit. See elf_flagdata(3ELF). An application can use elf_getident() to inspect the identification bytes from a file. An application can use elf_getshnum() and elf_getshstrndx() to obtain section header information. The location of this section header information differs between standard ELF files to those that require Extended Sections. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
elf(3ELF), elf_begin(3ELF), elf_flagdata(3ELF), elf_getident(3ELF), elf_getshnum(3ELF), elf_getshstrndx(3ELF), libelf(3LIB), attributes(5) SunOS 5.10 19 Jun 2002 elf32_getehdr(3ELF)
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elf32_getehdr(3ELF) ELF Library Functions elf32_getehdr(3ELF) NAME
elf32_getehdr, elf32_newehdr, elf64_getehdr, elf64_newehdr - retrieve class-dependent object file header SYNOPSIS
cc [ flag ... ] file ... -lelf [ library ... ] #include <libelf.h> Elf32_Ehdr *elf32_getehdr(Elf *elf); Elf32_Ehdr *elf32_newehdr(Elf *elf); Elf64_Ehdr *elf64_getehdr(Elf *elf); Elf64_Ehdr *elf64_newehdr(Elf *elf); DESCRIPTION
For a 32-bit class file, elf32_getehdr() returns a pointer to an ELF header, if one is available for the ELF descriptor elf. If no header exists for the descriptor, elf32_newehdr() allocates a clean one, but it otherwise behaves the same as elf32_getehdr(). It does not allo- cate a new header if one exists already. If no header exists for elf32_getehdr(), one cannot be created for elf32_newehdr(), a system error occurs, the file is not a 32-bit class file, or elf is NULL, both functions return a null pointer. For the 64-bit class, replace 32 with 64 as appropriate. The header includes the following members: unsigned char e_ident[EI_NIDENT]; Elf32_Half e_type; Elf32_Half e_machine; Elf32_Word e_version; Elf32_Addr e_entry; Elf32_Off e_phoff; Elf32_Off e_shoff; Elf32_Word e_flags; Elf32_Half e_ehsize; Elf32_Half e_phentsize; Elf32_Half e_phnum; Elf32_Half e_shentsize; Elf32_Half e_shnum; Elf32_Half e_shstrndx; The elf32_newehdr() function automatically sets the ELF_F_DIRTY bit. See elf_flagdata(3ELF). An application can use elf_getident() to inspect the identification bytes from a file. An application can use elf_getshnum() and elf_getshstrndx() to obtain section header information. The location of this section header information differs between standard ELF files to those that require Extended Sections. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
elf(3ELF), elf_begin(3ELF), elf_flagdata(3ELF), elf_getident(3ELF), elf_getshnum(3ELF), elf_getshstrndx(3ELF), libelf(3LIB), attributes(5) SunOS 5.10 19 Jun 2002 elf32_getehdr(3ELF)