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- /*
- * Various assmbly language/system dependent hacks that are required
- * so that we can minimize the amount of platform specific code.
- */
- /*
- * Define this if the system uses RELOCA.
- */
- #undef ELF_USES_RELOCA
- /*
- * 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)
- /*
- * Get the address of the Global offset table. This must be absolute, not
- * relative.
- */
- #define GET_GOT(X) __asm__("\tmovl %%ebx,%0\n\t" : "=a" (X))
- /*
- * Initialization sequence for a GOT.
- */
- #define INIT_GOT(GOT_BASE,MODULE) \
- { \
- GOT_BASE[2] = (int) _dl_linux_resolve; \
- GOT_BASE[1] = (int) MODULE; \
- }
- /*
- * Here is a macro to perform a relocation. This is only used when
- * bootstrapping the dynamic loader. RELP is the relocation that we
- * are performing, REL is the pointer to the address we are relocating.
- * SYMBOL is the symbol involved in the relocation, and LOAD is the
- * load address.
- */
- #define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD) \
- switch(ELF32_R_TYPE((RELP)->r_info)){ \
- case R_386_32: \
- *REL += SYMBOL; \
- break; \
- case R_386_PC32: \
- *REL += SYMBOL - (unsigned long) REL; \
- break; \
- case R_386_GLOB_DAT: \
- case R_386_JMP_SLOT: \
- *REL = SYMBOL; \
- break; \
- case R_386_RELATIVE: \
- *REL += (unsigned long) LOAD; \
- 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))
- /* Here we define the magic numbers that this dynamic loader should accept */
- #define MAGIC1 EM_386
- #undef MAGIC2
- /* Used for error messages */
- #define ELF_TARGET "386"
- struct elf_resolve;
- extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry);
- #define do_rem(result, n, base) result = (n % base)
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