Moved the module loading code onto SYSLINUX, as a COM32 module.

The code does nothing for now. It simply compiles the code and ensures
all the dependencies are satisfied.

1 files changed, 101 insertions, 0 deletions

diff --git a/com32/elflink/elftest.c b/com32/elflink/elftest.c
new file mode 100644
index 00000000..0a38bbe6
--- /dev/null
+++ b/com32/elflink/elftest.c
@@ -0,0 +1,101 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "elf_module.h"
+
+void print_usage() {
+	fprintf(stderr, "Usage:\n");
+	fprintf(stderr, "\telftest objfile ...\n");
+}
+
+void test_hello() {
+	int i;
+	
+	struct elf_module *module;
+	Elf32_Sym *symbol;
+	
+	symbol = global_find_symbol("undef_func", &module);
+	
+	void (*undef_func)(int) = module_get_absolute(symbol->st_value, module);
+	
+	symbol = global_find_symbol("test_func", &module);
+	
+	int (*test_func)(void) = module_get_absolute(symbol->st_value, module); 
+	
+	undef_func(0);
+	
+	for (i=0; i < 10; i++) {
+		printf("%d\n", test_func());
+	}
+}
+
+int main(int argc, char **argv) {
+	int res;
+	int i;
+	struct elf_module *module;
+	const char *module_name = NULL;
+	
+	// Skip program name
+	argc--;
+	argv++;
+	
+	if (argc < 1) {
+		print_usage();
+		return 1;
+	}
+	
+	res = modules_init();
+		
+	if (res < 0) {
+		fprintf(stderr, "Could not initialize module subsystem\n");
+		exit(1);
+	}
+	
+	for (i=0; i < argc; i++){
+		module_name = argv[i];
+		
+		module = module_alloc(module_name);
+			
+		if (module == NULL) {
+			fprintf(stderr, "Could not allocate the module\n");
+			goto error;
+		}
+		
+		res = module_load(module);
+			
+		if (res < 0) {
+			fprintf(stderr, "Could not load the module\n");
+			goto error;
+		}
+		
+	}
+	
+	test_hello();
+	
+	for (i=argc-1; i >= 0; i--) {
+		module_name = argv[i];
+		module = module_find(module_name);
+		
+		res = module_unload(module);
+		
+		if (res < 0) {
+			fprintf(stderr, "Could not unload the module\n");
+			goto error;
+		}
+	}
+	
+	modules_term();
+	
+	return 0;
+	
+error:
+	modules_term();
+	
+	return 1;
+}