- /* $Id: elf.h,v 1.30.2.1 2002/02/04 22:37:47 davem Exp $ */
- #ifndef __ASM_SPARC64_ELF_H
- #define __ASM_SPARC64_ELF_H
- /*
- * ELF register definitions..
- */
- #include <asm/ptrace.h>
- #ifdef __KERNEL__
- #include <asm/processor.h>
- #endif
- /*
- * These are used to set parameters in the core dumps.
- */
- #ifndef ELF_ARCH
- #define ELF_ARCH EM_SPARCV9
- #define ELF_CLASS ELFCLASS64
- #define ELF_DATA ELFDATA2MSB
- typedef unsigned long elf_greg_t;
- #define ELF_NGREG 36
- typedef elf_greg_t elf_gregset_t[ELF_NGREG];
- /* Format of 64-bit elf_gregset_t is:
- * G0 --> G7
- * O0 --> O7
- * L0 --> L7
- * I0 --> I7
- * TSTATE
- * TPC
- * TNPC
- * Y
- */
- #include <asm/psrcompat.h>
- #define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs)
- do { unsigned long *dest = &(__elf_regs[0]);
- struct pt_regs *src = (__pt_regs);
- unsigned long *sp;
- int i;
- for(i = 0; i < 16; i++)
- dest[i] = src->u_regs[i];
- /* Don't try this at home kids... */
- set_fs(USER_DS);
- sp = (unsigned long *)
- ((src->u_regs[14] + STACK_BIAS)
- & 0xfffffffffffffff8UL);
- for(i = 0; i < 16; i++)
- __get_user(dest[i+16], &sp[i]);
- set_fs(KERNEL_DS);
- dest[32] = src->tstate;
- dest[33] = src->tpc;
- dest[34] = src->tnpc;
- dest[35] = src->y;
- } while (0);
- typedef struct {
- unsigned long pr_regs[32];
- unsigned long pr_fsr;
- unsigned long pr_gsr;
- unsigned long pr_fprs;
- } elf_fpregset_t;
- #endif
- /*
- * This is used to ensure we don't load something for the wrong architecture.
- */
- #ifndef elf_check_arch
- #define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) /* Might be EM_SPARCV9 or EM_SPARC */
- #endif
- #define USE_ELF_CORE_DUMP
- #define ELF_EXEC_PAGESIZE PAGE_SIZE
- /* 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. */
- #ifndef ELF_ET_DYN_BASE
- #define ELF_ET_DYN_BASE 0x0000010000000000UL
- #endif
- /* This yields a mask that user programs can use to figure out what
- instruction set this cpu supports. */
- /* On Ultra, we support all of the v8 capabilities. */
- #define ELF_HWCAP ((HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR |
- HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV |
- HWCAP_SPARC_V9) |
- ((tlb_type == cheetah || tlb_type == cheetah_plus) ?
- HWCAP_SPARC_ULTRA3 : 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. */
- #define ELF_PLATFORM (NULL)
- #ifdef __KERNEL__
- #define SET_PERSONALITY(ex, ibcs2)
- do { unsigned char flags = current->thread.flags;
- if ((ex).e_ident[EI_CLASS] == ELFCLASS32)
- flags |= SPARC_FLAG_32BIT;
- else
- flags &= ~SPARC_FLAG_32BIT;
- if (flags != current->thread.flags) {
- /* flush_thread will update pgd cache */
- current->thread.flags |= SPARC_FLAG_ABI_PENDING;
- }
- if (ibcs2)
- set_personality(PER_SVR4);
- else if (current->personality != PER_LINUX32)
- set_personality(PER_LINUX);
- } while (0)
- #endif
- #endif /* !(__ASM_SPARC64_ELF_H) */