/* * Copyright 2010 Tilera Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, version 2. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for * more details. */ #ifndef _ASM_TILE_ELF_H #define _ASM_TILE_ELF_H /* * ELF register definitions. */ #include <arch/chip.h> #include <linux/ptrace.h> #include <linux/elf-em.h> #include <asm/byteorder.h> #include <asm/page.h> typedef unsigned long elf_greg_t; #define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; /* Provide a nominal data structure. */ #define ELF_NFPREG 0 typedef double elf_fpreg_t; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; #ifdef __tilegx__ #define ELF_CLASS ELFCLASS64 #else #define ELF_CLASS ELFCLASS32 #endif #ifdef __BIG_ENDIAN__ #define ELF_DATA ELFDATA2MSB #else #define ELF_DATA ELFDATA2LSB #endif /* * There seems to be a bug in how compat_binfmt_elf.c works: it * #undefs ELF_ARCH, but it is then used in binfmt_elf.c for fill_note_info(). * Hack around this by providing an enum value of ELF_ARCH. */ enum { ELF_ARCH = CHIP_ELF_TYPE() }; #define ELF_ARCH ELF_ARCH /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch(x) \ ((x)->e_ident[EI_CLASS] == ELF_CLASS && \ (x)->e_ident[EI_DATA] == ELF_DATA && \ (x)->e_machine == CHIP_ELF_TYPE()) /* The module loader only handles a few relocation types. */ #ifndef __tilegx__ #define R_TILE_32 1 #define R_TILE_JOFFLONG_X1 15 #define R_TILE_IMM16_X0_LO 25 #define R_TILE_IMM16_X1_LO 26 #define R_TILE_IMM16_X0_HA 29 #define R_TILE_IMM16_X1_HA 30 #else #define R_TILEGX_64 1 #define R_TILEGX_JUMPOFF_X1 21 #define R_TILEGX_IMM16_X0_HW0 36 #define R_TILEGX_IMM16_X1_HW0 37 #define R_TILEGX_IMM16_X0_HW1 38 #define R_TILEGX_IMM16_X1_HW1 39 #define R_TILEGX_IMM16_X0_HW2_LAST 48 #define R_TILEGX_IMM16_X1_HW2_LAST 49 #endif /* Use standard page size for core dumps. */ #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. */ #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) #define ELF_CORE_COPY_REGS(_dest, _regs) \ memcpy((char *) &_dest, (char *) _regs, \ sizeof(struct pt_regs)); /* No additional FP registers to copy. */ #define ELF_CORE_COPY_FPREGS(t, fpu) 0 /* * This yields a mask that user programs can use to figure out what * instruction set this CPU supports. This could be done in user space, * but it's not easy, and we've already done it here. */ #define ELF_HWCAP (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) extern void elf_plat_init(struct pt_regs *regs, unsigned long load_addr); #define ELF_PLAT_INIT(_r, load_addr) elf_plat_init(_r, load_addr) extern int dump_task_regs(struct task_struct *, elf_gregset_t *); #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) /* Tilera Linux has no personalities currently, so no need to do anything. */ #define SET_PERSONALITY(ex) do { } while (0) #define ARCH_HAS_SETUP_ADDITIONAL_PAGES /* Support auto-mapping of the user interrupt vectors. */ struct linux_binprm; extern int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack); /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ #define ARCH_DLINFO \ do { \ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ } while (0) struct mm_struct; extern unsigned long arch_randomize_brk(struct mm_struct *mm); #define arch_randomize_brk arch_randomize_brk #ifdef CONFIG_COMPAT #define COMPAT_ELF_PLATFORM "tilegx-m32" /* * "Compat" binaries have the same machine type, but 32-bit class, * since they're not a separate machine type, but just a 32-bit * variant of the standard 64-bit architecture. */ #define compat_elf_check_arch(x) \ ((x)->e_ident[EI_CLASS] == ELFCLASS32 && \ (x)->e_machine == CHIP_ELF_TYPE()) #define compat_start_thread(regs, ip, usp) do { \ regs->pc = ptr_to_compat_reg((void *)(ip)); \ regs->sp = ptr_to_compat_reg((void *)(usp)); \ single_step_execve(); \ } while (0) /* * Use SET_PERSONALITY to indicate compatibility via TS_COMPAT. */ #undef SET_PERSONALITY #define SET_PERSONALITY(ex) \ do { \ set_personality(PER_LINUX | (current->personality & (~PER_MASK))); \ current_thread_info()->status &= ~TS_COMPAT; \ } while (0) #define COMPAT_SET_PERSONALITY(ex) \ do { \ set_personality(PER_LINUX | (current->personality & (~PER_MASK))); \ current_thread_info()->status |= TS_COMPAT; \ } while (0) #define COMPAT_ELF_ET_DYN_BASE (0xffffffff / 3 * 2) #endif /* CONFIG_COMPAT */ #define CORE_DUMP_USE_REGSET #endif /* _ASM_TILE_ELF_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 439 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 5.14 KB | 0644 |
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atomic_32.h | File | 8.91 KB | 0644 |
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atomic_64.h | File | 5.51 KB | 0644 |
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backtrace.h | File | 3.98 KB | 0644 |
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barrier.h | File | 2.89 KB | 0644 |
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bitops.h | File | 2.37 KB | 0644 |
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bitops_32.h | File | 4.01 KB | 0644 |
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bitops_64.h | File | 2.67 KB | 0644 |
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cache.h | File | 2.6 KB | 0644 |
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cacheflush.h | File | 4.94 KB | 0644 |
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checksum.h | File | 1.23 KB | 0644 |
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cmpxchg.h | File | 3.47 KB | 0644 |
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compat.h | File | 7.38 KB | 0644 |
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current.h | File | 947 B | 0644 |
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delay.h | File | 1.1 KB | 0644 |
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device.h | File | 978 B | 0644 |
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div64.h | File | 319 B | 0644 |
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dma-mapping.h | File | 1.82 KB | 0644 |
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dma.h | File | 762 B | 0644 |
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elf.h | File | 5.42 KB | 0644 |
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fixmap.h | File | 2.73 KB | 0644 |
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ftrace.h | File | 1.08 KB | 0644 |
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futex.h | File | 4.23 KB | 0644 |
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hardirq.h | File | 1.28 KB | 0644 |
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hardwall.h | File | 1.08 KB | 0644 |
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highmem.h | File | 2.08 KB | 0644 |
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homecache.h | File | 4.21 KB | 0644 |
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hugetlb.h | File | 3.04 KB | 0644 |
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hv_driver.h | File | 1.92 KB | 0644 |
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ide.h | File | 758 B | 0644 |
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insn.h | File | 1.79 KB | 0644 |
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io.h | File | 12.43 KB | 0644 |
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irq.h | File | 3.11 KB | 0644 |
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irq_work.h | File | 283 B | 0644 |
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irqflags.h | File | 10.55 KB | 0644 |
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jump_label.h | File | 1.47 KB | 0644 |
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kdebug.h | File | 769 B | 0644 |
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kexec.h | File | 2.23 KB | 0644 |
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kgdb.h | File | 1.99 KB | 0644 |
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kmap_types.h | File | 1.02 KB | 0644 |
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kprobes.h | File | 2.19 KB | 0644 |
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linkage.h | File | 1.46 KB | 0644 |
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mmu.h | File | 965 B | 0644 |
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mmu_context.h | File | 4.5 KB | 0644 |
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mmzone.h | File | 2.07 KB | 0644 |
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module.h | File | 1.12 KB | 0644 |
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page.h | File | 10.32 KB | 0644 |
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pci.h | File | 6.58 KB | 0644 |
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percpu.h | File | 1.79 KB | 0644 |
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perf_event.h | File | 766 B | 0644 |
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pgalloc.h | File | 4.76 KB | 0644 |
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pgtable.h | File | 15.66 KB | 0644 |
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pgtable_32.h | File | 4.08 KB | 0644 |
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pgtable_64.h | File | 5.11 KB | 0644 |
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pmc.h | File | 2.15 KB | 0644 |
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processor.h | File | 10.62 KB | 0644 |
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ptrace.h | File | 2.96 KB | 0644 |
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sections.h | File | 1.37 KB | 0644 |
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setup.h | File | 1.63 KB | 0644 |
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sigframe.h | File | 956 B | 0644 |
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signal.h | File | 1.07 KB | 0644 |
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smp.h | File | 3.98 KB | 0644 |
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spinlock.h | File | 741 B | 0644 |
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spinlock_32.h | File | 2.9 KB | 0644 |
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spinlock_64.h | File | 3.88 KB | 0644 |
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spinlock_types.h | File | 1.58 KB | 0644 |
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stack.h | File | 2.59 KB | 0644 |
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string.h | File | 1.19 KB | 0644 |
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switch_to.h | File | 2.75 KB | 0644 |
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syscall.h | File | 2.88 KB | 0644 |
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syscalls.h | File | 2.35 KB | 0644 |
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thread_info.h | File | 5.54 KB | 0644 |
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tile-desc.h | File | 650 B | 0644 |
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tile-desc_32.h | File | 12.54 KB | 0644 |
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tile-desc_64.h | File | 10.83 KB | 0644 |
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timex.h | File | 1.71 KB | 0644 |
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tlb.h | File | 878 B | 0644 |
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tlbflush.h | File | 3.99 KB | 0644 |
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topology.h | File | 1.52 KB | 0644 |
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traps.h | File | 2.44 KB | 0644 |
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uaccess.h | File | 12.77 KB | 0644 |
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unaligned.h | File | 1.56 KB | 0644 |
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unistd.h | File | 777 B | 0644 |
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user.h | File | 717 B | 0644 |
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vdso.h | File | 1.84 KB | 0644 |
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vga.h | File | 1.05 KB | 0644 |
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word-at-a-time.h | File | 1.07 KB | 0644 |
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