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Diffstat (limited to 'include/asm-sparc/elf.h')
| -rw-r--r-- | include/asm-sparc/elf.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/include/asm-sparc/elf.h b/include/asm-sparc/elf.h new file mode 100644 index 00000000000..4a71d7c1eac --- /dev/null +++ b/include/asm-sparc/elf.h @@ -0,0 +1,173 @@ +/* $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> + +#ifdef __KERNEL__ +#include <asm/mbus.h> +#include <asm/uaccess.h> +#endif + +/* + * Sparc section types + */ +#define STT_REGISTER 13 + +/* + * Sparc ELF relocation types + */ +#define R_SPARC_NONE 0 +#define R_SPARC_8 1 +#define R_SPARC_16 2 +#define R_SPARC_32 3 +#define R_SPARC_DISP8 4 +#define R_SPARC_DISP16 5 +#define R_SPARC_DISP32 6 +#define R_SPARC_WDISP30 7 +#define R_SPARC_WDISP22 8 +#define R_SPARC_HI22 9 +#define R_SPARC_22 10 +#define R_SPARC_13 11 +#define R_SPARC_LO10 12 +#define R_SPARC_GOT10 13 +#define R_SPARC_GOT13 14 +#define R_SPARC_GOT22 15 +#define R_SPARC_PC10 16 +#define R_SPARC_PC22 17 +#define R_SPARC_WPLT30 18 +#define R_SPARC_COPY 19 +#define R_SPARC_GLOB_DAT 20 +#define R_SPARC_JMP_SLOT 21 +#define R_SPARC_RELATIVE 22 +#define R_SPARC_UA32 23 +#define R_SPARC_PLT32 24 +#define R_SPARC_HIPLT22 25 +#define R_SPARC_LOPLT10 26 +#define R_SPARC_PCPLT32 27 +#define R_SPARC_PCPLT22 28 +#define R_SPARC_PCPLT10 29 +#define R_SPARC_10 30 +#define R_SPARC_11 31 +#define R_SPARC_64 32 +#define R_SPARC_OLO10 33 +#define R_SPARC_WDISP16 40 +#define R_SPARC_WDISP19 41 +#define R_SPARC_7 43 +#define R_SPARC_5 44 +#define R_SPARC_6 45 + +/* Bits present in AT_HWCAP, primarily for Sparc32. */ + +#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ +#define HWCAP_SPARC_STBAR 2 +#define HWCAP_SPARC_SWAP 4 +#define HWCAP_SPARC_MULDIV 8 +#define HWCAP_SPARC_V9 16 +#define HWCAP_SPARC_ULTRA3 32 + +/* 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 __user *sp; \ + memcpy(&dest[0], &src->u_regs[0], \ + sizeof(unsigned long) * 16); \ + /* Don't try this at home kids... */ \ + sp = (unsigned long __user *) src->u_regs[14]; \ + copy_from_user(&dest[16], sp, \ + sizeof(unsigned long) * 16); \ + dest[32] = src->psr; \ + dest[33] = src->pc; \ + dest[34] = src->npc; \ + dest[35] = src->y; \ + dest[36] = dest[37] = 0; /* XXX */ \ +} while(0); /* Janitors: Don't touch this colon. */ + +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; + +#define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs) \ + ({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread.kregs); 1; }) + +/* + * 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) */ |