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#ifndef JOVE_ABI_SYSCALL_H
#define JOVE_ABI_SYSCALL_H 1
#include <stdint.h>
typedef struct syscall {
int id;
} syscall_t;
struct syscall_log {
syscall_t syscall;
const char *message;
};
struct syscall_mem_takefree {
syscall_t syscall;
uintptr_t npages;
};
enum
{
SYSCALL_LOG = 0,
SYSCALL_TID,
SYSCALL_MEM_TAKEFREE,
SYSCALL_COUNT
};
#define _SYSCALL(data) \
intmax_t ax; \
__asm__ volatile("movq %0, %%rdi\nsyscall": "=a"(ax): "r"(data): "memory"); \
return ax
int _syscall_log(const char *message) {
struct syscall_log syscall_data = {
.syscall = (syscall_t){ .id = SYSCALL_LOG },
.message = message
};
_SYSCALL(&syscall_data);
}
intmax_t _syscall_tid(void) {
syscall_t syscall_data = { SYSCALL_TID };
_SYSCALL(&syscall_data);
}
#endif
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