diff options
Diffstat (limited to 'ldso/ldso/sh/ld_sysdep.h')
| -rw-r--r-- | ldso/ldso/sh/ld_sysdep.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/ldso/ldso/sh/ld_sysdep.h b/ldso/ldso/sh/ld_sysdep.h deleted file mode 100644 index cd110895c..000000000 --- a/ldso/ldso/sh/ld_sysdep.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * 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. - */ -#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \ - switch(ELF32_R_TYPE((RELP)->r_info)){ \ - 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; \ - break; \ - case R_SH_RELATIVE: \ - *(REL) = (LOAD) + (RELP)->r_addend; \ - 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 "sh" - -struct elf_resolve; -extern unsigned long _dl_linux_resolver(struct elf_resolve * tpnt, int reloc_entry); - -static __inline__ unsigned int -_dl_urem(unsigned int n, unsigned int base) -{ - int res; - - __asm__ (""\ - "mov #0, r0\n\t" \ - "div0u\n\t" \ - "" \ - "! get one bit from the msb of the numerator into the T\n\t" \ - "! bit and divide it by whats in %2. Put the answer bit\n\t" \ - "! into the T bit so it can come out again at the bottom\n\t" \ - "" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1 ; div1 %2, r0\n\t" \ - "rotcl %1\n\t" - : "=r" (res) - : "0" (n), "r" (base) - : "r0","cc"); - - return n - (base * res); -} - -#define do_rem(result, n, base) ((result) = _dl_urem((n), (base))) - -/* 4096 bytes alignment */ -#define PAGE_ALIGN 0xfffff000 -#define ADDR_ALIGN 0xfff -#define OFFS_ALIGN 0x7ffff000 |