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1275 |
phoenix |
/* $Id: elf.h,v 1.1.1.1 2004-04-15 02:40:23 phoenix Exp $ */
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#ifndef __ASMSPARC_ELF_H
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#define __ASMSPARC_ELF_H
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/*
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* ELF register definitions..
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*/
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#include <linux/config.h>
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#include <asm/ptrace.h>
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#include <asm/mbus.h>
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/* For the most part we present code dumps in the format
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* Solaris does.
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*/
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typedef unsigned long elf_greg_t;
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#define ELF_NGREG 38
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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/* Format is:
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* G0 --> G7
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* O0 --> O7
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* L0 --> L7
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* I0 --> I7
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* PSR, PC, nPC, Y, WIM, TBR
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*/
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#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \
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do { unsigned long *dest = &(__elf_regs[0]); \
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struct pt_regs *src = (__pt_regs); \
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unsigned long *sp; \
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memcpy(&dest[0], &src->u_regs[0], \
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sizeof(unsigned long) * 16); \
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/* Don't try this at home kids... */ \
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set_fs(USER_DS); \
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sp = (unsigned long *) src->u_regs[14]; \
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copy_from_user(&dest[16], sp, \
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sizeof(unsigned long) * 16); \
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set_fs(KERNEL_DS); \
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dest[32] = src->psr; \
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dest[33] = src->pc; \
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dest[34] = src->npc; \
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dest[35] = src->y; \
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dest[36] = dest[37] = 0; /* XXX */ \
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} while(0);
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typedef struct {
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union {
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unsigned long pr_regs[32];
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double pr_dregs[16];
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} pr_fr;
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unsigned long __unused;
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unsigned long pr_fsr;
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unsigned char pr_qcnt;
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unsigned char pr_q_entrysize;
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unsigned char pr_en;
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unsigned int pr_q[64];
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} elf_fpregset_t;
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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*/
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#define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
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/*
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* These are used to set parameters in the core dumps.
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*/
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#define ELF_ARCH EM_SPARC
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#define ELF_CLASS ELFCLASS32
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#define ELF_DATA ELFDATA2MSB
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#define USE_ELF_CORE_DUMP
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#ifndef CONFIG_SUN4
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#define ELF_EXEC_PAGESIZE 4096
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#else
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#define ELF_EXEC_PAGESIZE 8192
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#endif
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/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
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use of this is to invoke "./ld.so someprog" to test out a new version of
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the loader. We need to make sure that it is out of the way of the program
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that it will "exec", and that there is sufficient room for the brk. */
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#define ELF_ET_DYN_BASE (0x08000000)
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/* This yields a mask that user programs can use to figure out what
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instruction set this cpu supports. This can NOT be done in userspace
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on Sparc. */
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/* Sun4c has none of the capabilities, most sun4m's have them all.
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* XXX This is gross, set some global variable at boot time. -DaveM
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*/
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#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
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(HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
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HWCAP_SPARC_SWAP | \
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((srmmu_modtype != Cypress && \
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srmmu_modtype != Cypress_vE && \
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srmmu_modtype != Cypress_vD) ? \
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HWCAP_SPARC_MULDIV : 0)))
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/* This yields a string that ld.so will use to load implementation
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specific libraries for optimization. This is more specific in
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intent than poking at uname or /proc/cpuinfo. */
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#define ELF_PLATFORM (NULL)
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#ifdef __KERNEL__
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#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
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#endif
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#endif /* !(__ASMSPARC_ELF_H) */
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