rosetta/sys/ld/main.c

#define MSG_IMPLEMENTATION

#include <mango/log.h>
#include <mango/msg.h>
#include <mango/types.h>
#include <rosetta/fs.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int main(
	int argc,
	const char **argv,
	kern_handle_t task,
	kern_handle_t address_space,
	uintptr_t bsp_base)
{
	void *brk = sbrk(0);
	kern_logf("brk=%p", brk);

	void *buf = malloc(64);
	if (buf) {
		memset(buf, 0x0, 64);
		kern_logf("allocated 64 bytes at %p", buf);
	} else {
		kern_logf("malloc() failed");
	}

	kern_handle_t port;
	kern_status_t status = port_create(&port);
	if (status != KERN_OK) {
		kern_logf("port creation failed %d", status);
		return -1;
	}

#if 1
	port_connect(port, 0, 0);

	const char *str = "hello";
	char new_buf[512] = {0};
	struct msg_string new = {.str_buf = new_buf, .str_max = sizeof new_buf};
	kern_logf("sending msg: uppercase(%s)", str);
	status = fs_uppercase(port, str, &new);
	kern_logf("uppercase(%s) = %s", str, new_buf);

	const char *path = "/usr/lib/libc.so";
	int flags = 4;
	int err = 0;

	kern_logf("sending msg: open(%s, %d)", path, flags);
	status = fs_open(port, path, flags, &err);

	if (status != KERN_OK) {
		kern_logf("open call failed (status %d)", status);
	} else  {
		kern_logf("open(%s, %d) = %d", path, flags, err);
	}

#endif
	return 0;
}