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/*
* 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__ ((unused)) 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));
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