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feature: Add syscalls for ELF metadata parsing

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boreddevnl
2026-04-21 00:29:11 +02:00
parent 8d51238a3d
commit 2498045362
4 changed files with 52 additions and 1 deletions
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19
src/sys/syscall.c
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@@ -22,6 +22,7 @@
#include "tty.h"
#include "font_manager.h"
#include "graphics.h"
#include "app_metadata.h"
extern bool ps2_ctrl_pressed;
@@ -2087,7 +2088,21 @@ static uint64_t sys_cmd_tty_destroy(const syscall_args_t *args) {
return tty_destroy(tty_id);
}
#define SYS_CMD_TABLE_SIZE 76
static uint64_t sys_cmd_get_elf_metadata(const syscall_args_t *args) {
const char *path = (const char *)args->arg2;
boredos_app_metadata_t *out = (boredos_app_metadata_t *)args->arg3;
if (!path || !out) return 0;
return app_metadata_read(path, out) ? 1 : 0;
}
static uint64_t sys_cmd_get_elf_primary_image(const syscall_args_t *args) {
const char *path = (const char *)args->arg2;
char *out_path = (char *)args->arg3;
size_t out_size = (size_t)args->arg4;
if (!path || !out_path || !out_size) return 0;
return app_metadata_get_primary_image(path, out_path, out_size) ? 1 : 0;
}
#define SYS_CMD_TABLE_SIZE 78
static const syscall_handler_fn sys_cmd_table[SYS_CMD_TABLE_SIZE] = {
[SYSTEM_CMD_SET_BG_COLOR] = sys_cmd_set_bg_color,
[SYSTEM_CMD_SET_BG_PATTERN] = sys_cmd_set_bg_pattern,
@@ -2150,6 +2165,8 @@ static const syscall_handler_fn sys_cmd_table[SYS_CMD_TABLE_SIZE] = {
[SYSTEM_CMD_SIGACTION] = sys_cmd_sigaction,
[SYSTEM_CMD_SIGPROCMASK] = sys_cmd_sigprocmask,
[SYSTEM_CMD_SIGPENDING] = sys_cmd_sigpending,
[SYSTEM_CMD_GET_ELF_METADATA] = sys_cmd_get_elf_metadata,
[SYSTEM_CMD_GET_ELF_PRIMARY_IMAGE] = sys_cmd_get_elf_primary_image,
};
static uint64_t handle_sys_write(const syscall_args_t *args) {

2
src/sys/syscall.h
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@@ -117,6 +117,8 @@ typedef struct {
#define SYSTEM_CMD_SIGACTION 73
#define SYSTEM_CMD_SIGPROCMASK 74
#define SYSTEM_CMD_SIGPENDING 75
#define SYSTEM_CMD_GET_ELF_METADATA 76
#define SYSTEM_CMD_GET_ELF_PRIMARY_IMAGE 77
void syscall_init(void);
uint64_t syscall_handler_c(registers_t *regs);