Jannis/BoredOS
1
0
Fork 0
mirror of https://github.com/JannisHeydemann/BoredOS.git synced 2026-05-30 02:16:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

feature: Add ELF metadata support

Browse Source
This commit is contained in:
boreddevnl
2026-04-21 00:29:39 +02:00
parent 2498045362
commit 9c600caf45
30 changed files with 714 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
src/sys/elf.h
View File

@@ -44,6 +44,25 @@ typedef struct {
Elf64_Xword p_align; /* Segment alignment */
} Elf64_Phdr;
typedef struct {
Elf64_Word sh_name; /* Section name (string tbl index) */
Elf64_Word sh_type; /* Section type */
Elf64_Xword sh_flags; /* Section flags */
Elf64_Addr sh_addr; /* Section virtual addr at execution */
Elf64_Off sh_offset; /* Section file offset */
Elf64_Xword sh_size; /* Section size in bytes */
Elf64_Word sh_link; /* Link to another section */
Elf64_Word sh_info; /* Additional section information */
Elf64_Xword sh_addralign; /* Section alignment */
Elf64_Xword sh_entsize; /* Entry size if section holds table */
} Elf64_Shdr;
typedef struct {
Elf64_Word n_namesz; /* Name size in bytes */
Elf64_Word n_descsz; /* Descriptor size in bytes */
Elf64_Word n_type; /* Note type */
} Elf64_Nhdr;
/* e_ident constants */
#define ELFMAG0 0x7f
#define ELFMAG1 'E'
@@ -63,11 +82,37 @@ typedef struct {
/* p_type constants */
#define PT_LOAD 1
/* sh_type constants */
#define SHT_NOTE 7
/* p_flags constants */
#define PF_X 1
#define PF_W 2
#define PF_R 4
/* BoredOS app metadata note constants */
#define BOREDOS_APP_NOTE_OWNER "BOREDOS"
#define BOREDOS_APP_NOTE_NAME BOREDOS_APP_NOTE_OWNER
#define BOREDOS_APP_NOTE_SECTION ".note.boredos.app"
#define BOREDOS_APP_NOTE_TYPE 0x41505031U
#define BOREDOS_APP_METADATA_MAGIC 0x414d4431U
#define BOREDOS_APP_METADATA_VERSION 1U
#define BOREDOS_APP_METADATA_MAX_APP_NAME 64
#define BOREDOS_APP_METADATA_MAX_DESCRIPTION 192
#define BOREDOS_APP_METADATA_MAX_IMAGES 4
#define BOREDOS_APP_METADATA_MAX_IMAGE_PATH 160
typedef struct __attribute__((packed)) {
uint32_t magic;
uint16_t version;
uint16_t image_count;
uint16_t reserved;
char app_name[BOREDOS_APP_METADATA_MAX_APP_NAME];
char description[BOREDOS_APP_METADATA_MAX_DESCRIPTION];
char images[BOREDOS_APP_METADATA_MAX_IMAGES][BOREDOS_APP_METADATA_MAX_IMAGE_PATH];
} boredos_app_metadata_t;
#include <stdbool.h>
#include <stddef.h>