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- /* $Id: elf.h,v 1.20 1998/09/14 09:11:10 davem Exp $ */
- #ifndef __ASMSPARC_ELF_H
- #define __ASMSPARC_ELF_H
-
- /*
- * ELF register definitions..
- */
-
- #include <linux/config.h>
- #include <asm/ptrace.h>
- #include <asm/mbus.h>
-
- /* For the most part we present code dumps in the format
- * Solaris does.
- */
- typedef unsigned long elf_greg_t;
- #define ELF_NGREG 38
- typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
- /* Format is:
- * G0 --> G7
- * O0 --> O7
- * L0 --> L7
- * I0 --> I7
- * PSR, PC, nPC, Y, WIM, TBR
- */
- #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; \
- memcpy(&dest[0], &src->u_regs[0], \
- sizeof(unsigned long) * 16); \
- /* Don't try this at home kids... */ \
- set_fs(USER_DS); \
- sp = (unsigned long *) src->u_regs[14]; \
- copy_from_user(&dest[16], sp, \
- sizeof(unsigned long) * 16); \
- set_fs(KERNEL_DS); \
- dest[32] = src->psr; \
- dest[33] = src->pc; \
- dest[34] = src->npc; \
- dest[35] = src->y; \
- dest[36] = dest[37] = 0; /* XXX */ \
- } while(0);
-
- typedef struct {
- union {
- unsigned long pr_regs[32];
- double pr_dregs[16];
- } pr_fr;
- unsigned long __unused;
- unsigned long pr_fsr;
- unsigned char pr_qcnt;
- unsigned char pr_q_entrysize;
- unsigned char pr_en;
- unsigned int pr_q[64];
- } elf_fpregset_t;
-
- /*
- * This is used to ensure we don't load something for the wrong architecture.
- */
- #define elf_check_arch(x) ((x) == EM_SPARC)
-
- /*
- * These are used to set parameters in the core dumps.
- */
- #define ELF_ARCH EM_SPARC
- #define ELF_CLASS ELFCLASS32
- #define ELF_DATA ELFDATA2MSB
-
- #define USE_ELF_CORE_DUMP
- #ifndef CONFIG_SUN4
- #define ELF_EXEC_PAGESIZE 4096
- #else
- #define ELF_EXEC_PAGESIZE 8192
- #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)
-
- /* This yields a mask that user programs can use to figure out what
- instruction set this cpu supports. This can NOT be done in userspace
- on Sparc. */
-
- /* Sun4c has none of the capabilities, most sun4m's have them all.
- * XXX This is gross, set some global variable at boot time. -DaveM
- */
- #define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
- (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
- HWCAP_SPARC_SWAP | \
- ((srmmu_modtype != Cypress && \
- srmmu_modtype != Cypress_vE && \
- srmmu_modtype != Cypress_vD) ? \
- HWCAP_SPARC_MULDIV : 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) \
- current->personality = (ibcs2 ? PER_SVR4 : PER_LINUX)
- #endif
-
- #endif /* !(__ASMSPARC_ELF_H) */
-