Index: uspace/app/taskdump/symtab.c
===================================================================
--- uspace/app/taskdump/symtab.c	(revision e067dcdd6a37c4387105354ad2abdcce18138c6c)
+++ uspace/app/taskdump/symtab.c	(revision 957cfa58e9f28dbcaf9efd98ce73ec541a8166fe)
@@ -49,5 +49,5 @@
 static int section_hdr_load(int fd, const elf_header_t *ehdr, int idx,
     elf_section_header_t *shdr);
-static int chunk_load(int fd, off_t start, off_t size, void **ptr);
+static int chunk_load(int fd, off64_t start, size_t size, void **ptr);
 static int read_all(int fd, void *buf, size_t len);
 
@@ -65,5 +65,6 @@
 	elf_header_t elf_hdr;
 	elf_section_header_t sec_hdr;
-	off_t shstrt_start, shstrt_size;
+	off64_t shstrt_start;
+	size_t shstrt_size;
 	char *shstrt, *sec_name;
 	void *data;
@@ -307,5 +308,5 @@
 	rc = lseek(fd, elf_hdr->e_shoff + idx * sizeof(elf_section_header_t),
 	    SEEK_SET);
-	if (rc == (off_t) -1)
+	if (rc == (off64_t) -1)
 		return EIO;
 
@@ -328,10 +329,10 @@
  * @return		EOK on success or EIO on failure.
  */
-static int chunk_load(int fd, off_t start, off_t size, void **ptr)
+static int chunk_load(int fd, off64_t start, size_t size, void **ptr)
 {
 	int rc;
 
 	rc = lseek(fd, start, SEEK_SET);
-	if (rc == (off_t) -1) {
+	if (rc == (off64_t) -1) {
 		printf("failed seeking chunk\n");
 		*ptr = NULL;