| /* $Id: elf.h,v 1.22 2000/07/12 01:27:08 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)->e_machine == 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 (TASK_UNMAPPED_BASE) |
| |
| /* 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) set_personality((ibcs2)?PER_SVR4:PER_LINUX) |
| #endif |
| |
| #endif /* !(__ASMSPARC_ELF_H) */ |