diff options
Diffstat (limited to 'ldso/ldso/sh64/ld_sysdep.h')
| -rw-r--r-- | ldso/ldso/sh64/ld_sysdep.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/ldso/ldso/sh64/ld_sysdep.h b/ldso/ldso/sh64/ld_sysdep.h deleted file mode 100644 index 241cde93e..000000000 --- a/ldso/ldso/sh64/ld_sysdep.h +++ /dev/null @@ -1,170 +0,0 @@ -/* vi: set sw=8 ts=8: */ -/* - * 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. - */ -#define 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) - -/* - * Initialization sequence for a GOT. - */ -#define INIT_GOT(GOT_BASE,MODULE) \ -{ \ - GOT_BASE[2] = (unsigned long)_dl_linux_resolve; \ - GOT_BASE[1] = (unsigned long)(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. - */ - -/* - * We need to do this stupidity here as the preprocessor will choke when - * SYMTAB is NULL if we do this in PERFORM_BOOTSTRAP_RELOC(). - */ - -#include <elf.h> - -static inline int __extract_lsb_from_symtab(Elf32_Sym *symtab) -{ - static int lsb = 0; - - /* Check for SHmedia/SHcompact */ - if (symtab) - lsb = symtab->st_other & 4; - - return lsb; -} - -/* - * While on the subject of stupidity, there appear to be some conflicts with - * regards to several relocation types as far as binutils is concerned - * (Barcelona and Madrid both appear to use an out of date elf.h, whereas - * native Catalonia has all of the necessary definitions. As a workaround, - * we'll just define them here for sanity.. - */ -#ifndef R_SH_RELATIVE_LOW16 -# define R_SH_RELATIVE_LOW16 197 -# define R_SH_RELATIVE_MEDLOW16 198 -# define R_SH_IMM_LOW16 246 -# define R_SH_IMM_LOW16_PCREL 247 -# define R_SH_IMM_MEDLOW16 248 -# define R_SH_IMM_MEDLOW16_PCREL 249 -#endif - -#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \ - const unsigned int r_type = ELF32_R_TYPE((RELP)->r_info); \ - int lsb = __extract_lsb_from_symtab(SYMTAB); \ - \ - switch (r_type) { \ - case R_SH_REL32: \ - *(REL) = (SYMBOL) + (RELP)->r_addend \ - - (unsigned long)(REL); \ - break; \ - case R_SH_DIR32: \ - case R_SH_GLOB_DAT: \ - case R_SH_JMP_SLOT: \ - *(REL) = ((SYMBOL) + (RELP)->r_addend) | lsb; \ - break; \ - case R_SH_RELATIVE: \ - *(REL) = (LOAD) + (RELP)->r_addend; \ - break; \ - case R_SH_RELATIVE_LOW16: \ - case R_SH_RELATIVE_MEDLOW16: \ - { \ - unsigned long word, value; \ - \ - word = (unsigned long)(REL) & ~0x3fffc00; \ - value = (LOAD) + (RELP)->r_addend; \ - \ - if (r_type == R_SH_RELATIVE_MEDLOW16) \ - value >>= 16; \ - \ - word |= (value & 0xffff) << 10; \ - *(REL) = word; \ - break; \ - } \ - case R_SH_IMM_LOW16: \ - case R_SH_IMM_MEDLOW16: \ - { \ - unsigned long word, value; \ - \ - word = (unsigned long)(REL) & ~0x3fffc00; \ - value = ((SYMBOL) + (RELP)->r_addend) | lsb; \ - \ - if (r_type == R_SH_IMM_MEDLOW16) \ - value >>= 16; \ - \ - word |= (value & 0xffff) << 10; \ - *(REL) = word; \ - break; \ - } \ - case R_SH_IMM_LOW16_PCREL: \ - case R_SH_IMM_MEDLOW16_PCREL: \ - { \ - unsigned long word, value; \ - \ - word = (unsigned long)(REL) & ~0x3fffc00; \ - value = (SYMBOL) + (RELP)->r_addend \ - - (unsigned long)(REL); \ - \ - if (r_type == R_SH_IMM_MEDLOW16_PCREL) \ - value >>= 16; \ - \ - word |= (value & 0xffff) << 10; \ - *(REL) = word; \ - break; \ - } \ - case R_SH_NONE: \ - break; \ - default: \ - SEND_STDERR("BOOTSTRAP_RELOC: unhandled reloc type "); \ - SEND_NUMBER_STDERR(ELF32_R_TYPE((RELP)->r_info), 1); \ - SEND_STDERR("REL, SYMBOL, LOAD: "); \ - SEND_ADDRESS_STDERR(REL, 0); \ - SEND_STDERR(", "); \ - SEND_ADDRESS_STDERR(SYMBOL, 0); \ - SEND_STDERR(", "); \ - SEND_ADDRESS_STDERR(LOAD, 1); \ - _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() return _dl_elf_main; - -/* Here we define the magic numbers that this dynamic loader should accept */ -#define MAGIC1 EM_SH -#undef MAGIC2 -/* Used for error messages */ -#define ELF_TARGET "sh64" - -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) - -/* 4096 bytes alignment */ -#define PAGE_ALIGN 0xfffff000 -#define ADDR_ALIGN 0xfff -#define OFFS_ALIGN 0x7ffff000 - |