kjarna initial impl

1 files changed, 29 insertions, 0 deletions

diff --git a/api/kjarna/interface.h b/api/kjarna/interface.h
new file mode 100644
index 0000000..e0c491a
--- /dev/null
+++ b/api/kjarna/interface.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <stddef.h>
+#include <posix/sys/types.h>
+
+#define SYSV_ABI __attribute__((sysv_abi))
+
+struct kjarna_interface
+{
+	int (SYSV_ABI *open)(const char *, int, int);
+	int (SYSV_ABI *close)(int);
+	off_t (SYSV_ABI *lseek)(int, off_t, int);
+	ssize_t (SYSV_ABI *read)(int, void *, size_t);
+	ssize_t (SYSV_ABI *write)(int, const void *, size_t);
+
+	void *(SYSV_ABI *mmap)(void *, size_t, int, int, int, off_t);
+	int (SYSV_ABI *munmap)(void *, size_t);
+};
+
+struct kjarna_entry_params
+{
+	struct kjarna_interface *interface;
+	int argc;
+	char **argv;
+	char **envp;
+};
+
+typedef int (SYSV_ABI kjarna_runtime_entry_func)(struct kjarna_entry_params *);
+