1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- /*
- * Architecture specific code used by dl-startup.c
- */
- /* For m68k we do not need any special setup so go right to _dl_boot() */
- #define DL_BOOT(X) __attribute_used__ void _dl_boot (X)
- /* Get a pointer to the argv array. On many platforms this can be just
- * the address if the first argument, on other platforms we need to
- * do something a little more subtle here. */
- #define GET_ARGV(ARGVP, ARGS) ((ARGVP) = ((unsigned int *) &(ARGS)))
- /* Handle relocation of the symbols in the dynamic loader. */
- static inline
- void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr,
- unsigned long symbol_addr, unsigned long load_addr, Elf32_Sym *symtab)
- {
- switch (ELF32_R_TYPE(rpnt->r_info))
- {
- case R_68K_8:
- *(char *) reloc_addr = symbol_addr + rpnt->r_addend;
- break;
- case R_68K_16:
- *(short *) reloc_addr = symbol_addr + rpnt->r_addend;
- break;
- case R_68K_32:
- *reloc_addr = symbol_addr + rpnt->r_addend;
- break;
- case R_68K_PC8:
- *(char *) reloc_addr = (symbol_addr + rpnt->r_addend
- - (unsigned int) reloc_addr);
- break;
- case R_68K_PC16:
- *(short *) reloc_addr = (symbol_addr + rpnt->r_addend
- - (unsigned int) reloc_addr);
- break;
- case R_68K_PC32:
- *reloc_addr = (symbol_addr + rpnt->r_addend
- - (unsigned int) reloc_addr);
- break;
- case R_68K_GLOB_DAT:
- case R_68K_JMP_SLOT:
- *reloc_addr = symbol_addr;
- break;
- case R_68K_RELATIVE:
- *reloc_addr = ((unsigned int) load_addr +
- (rpnt->r_addend ? : : *reloc_addr));
- break;
- default:
- _dl_exit (1);
- }
- }
- /* Transfer control to the user's application, once the dynamic loader is
- * done. This routine has to exit the current function, then call the
- * _dl_elf_main function. */
- #define START() \
- __asm__ volatile ("unlk %%a6\n\t" \
- "jmp %0@" \
- : : "a" (_dl_elf_main));
|