diff options
Diffstat (limited to 'com32/lib/sys/module/common.h')
-rw-r--r-- | com32/lib/sys/module/common.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/com32/lib/sys/module/common.h b/com32/lib/sys/module/common.h new file mode 100644 index 00000000..bcbffdf1 --- /dev/null +++ b/com32/lib/sys/module/common.h @@ -0,0 +1,65 @@ +/* + * common.h - Common internal operations performed by the module subsystem + * + * Created on: Aug 11, 2008 + * Author: Stefan Bucur <stefanb@zytor.com> + */ + +#ifndef COMMON_H_ +#define COMMON_H_ + +#include <stdio.h> + +#include <sys/module.h> +#include <linux/list.h> + +#include "elfutils.h" + + +// Performs an operation and jumps to a given label if an error occurs +#define CHECKED(res, expr, error) \ + do { \ + (res) = (expr); \ + if ((res) < 0) \ + goto error; \ + } while (0) + +#define MIN(x,y) (((x) < (y)) ? (x) : (y)) +#define MAX(x,y) (((x) > (y)) ? (x) : (y)) + + +#ifdef ELF_DEBUG +#define DBG_PRINT(fmt, args...) fprintf(stderr, "[ELF] " fmt, ##args) +#else +#define DBG_PRINT(fmt, args...) // Expand to nothing +#endif + +// User-space debugging routines +#ifdef ELF_DEBUG + +extern void print_elf_ehdr(Elf32_Ehdr *ehdr); +extern void print_elf_symbols(struct elf_module *module); + +#endif //ELF_DEBUG + +/* + * Image files manipulation routines + */ + +extern int image_load(struct elf_module *module); +extern int image_unload(struct elf_module *module); +extern int image_read(void *buff, size_t size, struct elf_module *module); +extern int image_skip(size_t size, struct elf_module *module); +extern int image_seek(Elf32_Off offset, struct elf_module *module); + +extern struct module_dep *module_dep_alloc(struct elf_module *module); + +extern int check_header_common(Elf32_Ehdr *elf_hdr); + +extern int enforce_dependency(struct elf_module *req, struct elf_module *dep); +extern int clear_dependency(struct elf_module *req, struct elf_module *dep); + +extern int check_symbols(struct elf_module *module); + + +#endif /* COMMON_H_ */ |