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authorStefan Bucur <stefanb@zytor.com>2008-07-01 17:03:46 +0300
committerStefan Bucur <stefan@stefan-ubumac.(none)>2009-03-15 10:03:13 +0200
commit096c21fc8d76c3a9dc97f1ed5ba3abc8c51481cd (patch)
tree9aa0d46c1687856dd4c11170d45a220c5b0e2db0 /com32/elflink/elftest.c
parent7bb46a5400abb256e96ba3b637db8afe7bb321e9 (diff)
downloadsyslinux-elf-096c21fc8d76c3a9dc97f1ed5ba3abc8c51481cd.tar.gz
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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.
Diffstat (limited to 'com32/elflink/elftest.c')
-rw-r--r--com32/elflink/elftest.c101
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;
+}