debug: generate core dump for FreeBSD.

from the 14.x (next) release, since the snapshot update, interface is available
 and allows enough flexibility thus here we re trying to dump data as much
 as possible.

librz/debug/p/native/bsd/bsd_debug.c

@@ -123,10 +123,9 @@ int bsd_reg_write(RzDebug *dbg, int type, const ut8 *buf, int size) {
 bool bsd_generate_corefile(RzDebug *dbg, char *path, RzBuffer *dest) {
 #if defined(__NetBSD__)
 	return ptrace(PT_DUMPCORE, dbg->pid, path, strlen(path)) != -1;
-#elif defined(__FreeBSD__)
-	// TODO when FreeBSD 14 is out or at least the interface stabilized
-	// and will most likely use the RzBuffer part
-	return false;
+#elif defined(__FreeBSD__) && __FreeBSD_version >= 1400030
+	struct ptrace_coredump pc = { .pc_fd = dest->fd, .pc_flags = PC_ALL, .pc_limit = 0 };
+	return ptrace(PT_COREDUMP, dbg->pid, (void *)&pc, sizeof(pc)) != -1;
 #else
 	return false;
 #endif

meson.build

@@ -340,6 +340,7 @@ userconf.set10('HAVE_DECL_PROCCTL_ASLR_CTL', ok)
 
 if host_machine.system() == 'freebsd'
   add_project_link_arguments('-Wl,--unresolved-symbols,ignore-in-object-files', language: 'c')
+  add_project_link_arguments('-Wl,--allow-shlib-undefined', language: 'c')
 endif
 
 lrt = []