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#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;
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);
}
while (argc > 0) {
module_name = argv[0];
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;
}
argc--;
argv++;
}
test_hello();
modules_term();
return 0;
error:
modules_term();
return 1;
}
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