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- /* vi: set sw=4 ts=4: */
- /*
- * Architecture specific code used by dl-startup.c
- * Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org>
- */
- /* For x86 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 long*) & 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_386_32:
- *reloc_addr += symbol_addr;
- break;
- case R_386_PC32:
- *reloc_addr += symbol_addr - (unsigned long) reloc_addr;
- break;
- case R_386_GLOB_DAT:
- case R_386_JMP_SLOT:
- *reloc_addr = symbol_addr;
- break;
- case R_386_RELATIVE:
- *reloc_addr += load_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 ("leave\n\t" \
- "jmp *%%eax\n\t" \
- : "=a" (status) : "a" (_dl_elf_main))
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