/* * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #ifndef _UAPI_ASM_MICROBLAZE_ELF_H #define _UAPI_ASM_MICROBLAZE_ELF_H /* * Note there is no "official" ELF designation for Microblaze. * I've snaffled the value from the microblaze binutils source code * /binutils/microblaze/include/elf/microblaze.h */ #define EM_MICROBLAZE 189 #define EM_MICROBLAZE_OLD 0xbaab #define ELF_ARCH EM_MICROBLAZE /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch(x) ((x)->e_machine == EM_MICROBLAZE \ || (x)->e_machine == EM_MICROBLAZE_OLD) /* * These are used to set parameters in the core dumps. */ #define ELF_CLASS ELFCLASS32 #ifndef __uClinux__ /* * ELF register definitions.. */ #include <asm/ptrace.h> #include <asm/byteorder.h> #ifndef ELF_GREG_T #define ELF_GREG_T typedef unsigned long elf_greg_t; #endif #ifndef ELF_NGREG #define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) #endif #ifndef ELF_GREGSET_T #define ELF_GREGSET_T typedef elf_greg_t elf_gregset_t[ELF_NGREG]; #endif #ifndef ELF_FPREGSET_T #define ELF_FPREGSET_T /* TBD */ #define ELF_NFPREG 33 /* includes fsr */ typedef unsigned long elf_fpreg_t; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; /* typedef struct user_fpu_struct elf_fpregset_t; */ #endif /* This is the location that an ET_DYN program is loaded if exec'ed. Typical * use of this is to invoke "./ld.so someprog" to test out a new version of * the loader. We need to make sure that it is out of the way of the program * that it will "exec", and that there is sufficient room for the brk. */ #define ELF_ET_DYN_BASE (0x08000000) #ifdef __MICROBLAZEEL__ #define ELF_DATA ELFDATA2LSB #else #define ELF_DATA ELFDATA2MSB #endif #define ELF_EXEC_PAGESIZE PAGE_SIZE #define ELF_CORE_COPY_REGS(_dest, _regs) \ memcpy((char *) &_dest, (char *) _regs, \ sizeof(struct pt_regs)); /* This yields a mask that user programs can use to figure out what * instruction set this CPU supports. This could be done in user space, * but it's not easy, and we've already done it here. */ #define ELF_HWCAP (0) /* This yields a string that ld.so will use to load implementation * specific libraries for optimization. This is more specific in * intent than poking at uname or /proc/cpuinfo. * For the moment, we have only optimizations for the Intel generations, * but that could change... */ #define ELF_PLATFORM (NULL) /* Added _f parameter. Is this definition correct: TBD */ #define ELF_PLAT_INIT(_r, _f) \ do { \ _r->r0 = _r->r1 = _r->r2 = _r->r3 = \ _r->r4 = _r->r5 = _r->r6 = _r->r7 = \ _r->r8 = _r->r9 = _r->r10 = _r->r11 = \ _r->r12 = _r->r13 = _r->r14 = _r->r15 = \ _r->r16 = _r->r17 = _r->r18 = _r->r19 = \ _r->r20 = _r->r21 = _r->r22 = _r->r23 = \ _r->r24 = _r->r25 = _r->r26 = _r->r27 = \ _r->r28 = _r->r29 = _r->r30 = _r->r31 = \ 0; \ } while (0) #endif /* __uClinux__ */ #endif /* _UAPI_ASM_MICROBLAZE_ELF_H */