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add version, machine, and other descriptions

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Emile Clark-Boman 2025-09-26 23:18:08 +10:00
parent 8c9f75d521
commit a16720e92f
1 changed files with 39 additions and 7 deletions
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44
lib/elf/eheader.h
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@ -45,17 +45,18 @@ typedef struct {
Elf64_Half e_shstrndx; Elf64_Half e_shstrndx;
} Elf64_Ehdr; } Elf64_Ehdr;
/* == ElfXX_Ehdr.e_ident[] == /* == ElfN_Ehdr.e_ident[] ==
* EI_* macros define indexes into this this, and are followed * EI_* macros define indexes into this this, and are followed
* by a series a macros defining legal values for that index. * by a series a macros defining legal values for that index.
*/ */
/* XXX: WARNING: TODO :WARNING :XXX */
# define E_IDENT_DESC ( \ # define E_IDENT_DESC ( \
"The initial bytes of an ELF file. Marking it as an object file " \ "The initial bytes of an ELF file.\n\n" \
"and providing machine-independent data with which to decode " \ "Marks the file as an object file and provides machine-independent " \
"and interpret the file’s contents." "data with which to parse and interpret the file’s contents." )
/* == ElfXX_Ehdr.e_type == */ /* == ElfN_Ehdr.e_type == */
enum e_type_t : Elf64_Addr { enum e_type_t {
ET_NONE = 0, /* No file type */ ET_NONE = 0, /* No file type */
ET_REL = 1, /* Relocatable file */ ET_REL = 1, /* Relocatable file */
ET_EXEC = 2, /* Executable file */ ET_EXEC = 2, /* Executable file */
@ -66,6 +67,37 @@ enum e_type_t : Elf64_Addr {
ET_LOPROC = 0xff00, /* Processor-specific range start */ ET_LOPROC = 0xff00, /* Processor-specific range start */
ET_HIPROC = 0xffff, /* Processor-specific range end */ ET_HIPROC = 0xffff, /* Processor-specific range end */
}; };
# define E_TYPE_DESC ( \
"Identifies the object file type.\n\n" \
"ET_CORE is reserved and largely used by core files. " \
"However the actual file contents are left unspecified. " \
"Allowing projects to define their own extensions.\n\n" \
"Values ET_LOOS through ET_HIOS (inclusive) are reserved " \
"for OS-specific object file types.\n\n" \
"Values ET_LOPROC through ET_HIPROC (inclusive) are reserved " \
"for processor-specific object file types." )
/* == ElfN_Ehdr.e_machine == */
enum e_machine_t {
/* XXX: WARNING: TODO :WARNING :XXX */
};
#define E_MACHINE_DESC ()
/* == ElfN_Ehdr.e_version == */
enum e_version_t {
EV_NONE = 0, /* Invalid version */
EV_CURRENT = 1, /* Current Version */
};
#define E_VERSION_DESC ( \
"Version of ELF used.\n\n" \
"EV_CURRENT signifies the original file format. " \
"Extensions will use higher e_machine numbers" )
/* == ElfN_Ehdr.e_entry == */
#define E_ENTRY_DESC ( \
"Virtual address of the entry point.\n\n" \
"The system first transfers control to this virtual address, " \
"thus starting the process. If the file has no associated entry point, " \
"this member holds zero." )
#endif /* BFPG_ELF_HEADER_H */ #endif /* BFPG_ELF_HEADER_H */