| /* $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; \ |
| } else { \ |
| 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) */ |