diff options
Diffstat (limited to 'include/asm-x86/elf.h')
| -rw-r--r-- | include/asm-x86/elf.h | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/include/asm-x86/elf.h b/include/asm-x86/elf.h deleted file mode 100644 index 26bc15f01e7..00000000000 --- a/include/asm-x86/elf.h +++ /dev/null @@ -1,336 +0,0 @@ -#ifndef ASM_X86__ELF_H -#define ASM_X86__ELF_H - -/* - * ELF register definitions.. - */ - -#include <asm/ptrace.h> -#include <asm/user.h> -#include <asm/auxvec.h> - -typedef unsigned long elf_greg_t; - -#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -typedef struct user_i387_struct elf_fpregset_t; - -#ifdef __i386__ - -typedef struct user_fxsr_struct elf_fpxregset_t; - -#define R_386_NONE 0 -#define R_386_32 1 -#define R_386_PC32 2 -#define R_386_GOT32 3 -#define R_386_PLT32 4 -#define R_386_COPY 5 -#define R_386_GLOB_DAT 6 -#define R_386_JMP_SLOT 7 -#define R_386_RELATIVE 8 -#define R_386_GOTOFF 9 -#define R_386_GOTPC 10 -#define R_386_NUM 11 - -/* - * These are used to set parameters in the core dumps. - */ -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_386 - -#else - -/* x86-64 relocation types */ -#define R_X86_64_NONE 0 /* No reloc */ -#define R_X86_64_64 1 /* Direct 64 bit */ -#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ -#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ -#define R_X86_64_PLT32 4 /* 32 bit PLT address */ -#define R_X86_64_COPY 5 /* Copy symbol at runtime */ -#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ -#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ -#define R_X86_64_RELATIVE 8 /* Adjust by program base */ -#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative - offset to GOT */ -#define R_X86_64_32 10 /* Direct 32 bit zero extended */ -#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ -#define R_X86_64_16 12 /* Direct 16 bit zero extended */ -#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ -#define R_X86_64_8 14 /* Direct 8 bit sign extended */ -#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ - -#define R_X86_64_NUM 16 - -/* - * These are used to set parameters in the core dumps. - */ -#define ELF_CLASS ELFCLASS64 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_X86_64 - -#endif - -#include <asm/vdso.h> - -extern unsigned int vdso_enabled; - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch_ia32(x) \ - (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486)) - -#include <asm/processor.h> -#include <asm/system.h> - -#ifdef CONFIG_X86_32 -#include <asm/desc.h> - -#define elf_check_arch(x) elf_check_arch_ia32(x) - -/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx - contains a pointer to a function which might be registered using `atexit'. - This provides a mean for the dynamic linker to call DT_FINI functions for - shared libraries that have been loaded before the code runs. - - A value of 0 tells we have no such handler. - - We might as well make sure everything else is cleared too (except for %esp), - just to make things more deterministic. - */ -#define ELF_PLAT_INIT(_r, load_addr) \ - do { \ - _r->bx = 0; _r->cx = 0; _r->dx = 0; \ - _r->si = 0; _r->di = 0; _r->bp = 0; \ - _r->ax = 0; \ -} while (0) - -/* - * regs is struct pt_regs, pr_reg is elf_gregset_t (which is - * now struct_user_regs, they are different) - */ - -#define ELF_CORE_COPY_REGS(pr_reg, regs) \ -do { \ - pr_reg[0] = regs->bx; \ - pr_reg[1] = regs->cx; \ - pr_reg[2] = regs->dx; \ - pr_reg[3] = regs->si; \ - pr_reg[4] = regs->di; \ - pr_reg[5] = regs->bp; \ - pr_reg[6] = regs->ax; \ - pr_reg[7] = regs->ds & 0xffff; \ - pr_reg[8] = regs->es & 0xffff; \ - pr_reg[9] = regs->fs & 0xffff; \ - savesegment(gs, pr_reg[10]); \ - pr_reg[11] = regs->orig_ax; \ - pr_reg[12] = regs->ip; \ - pr_reg[13] = regs->cs & 0xffff; \ - pr_reg[14] = regs->flags; \ - pr_reg[15] = regs->sp; \ - pr_reg[16] = regs->ss & 0xffff; \ -} while (0); - -#define ELF_PLATFORM (utsname()->machine) -#define set_personality_64bit() do { } while (0) - -#else /* CONFIG_X86_32 */ - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) \ - ((x)->e_machine == EM_X86_64) - -#define compat_elf_check_arch(x) elf_check_arch_ia32(x) - -static inline void start_ia32_thread(struct pt_regs *regs, u32 ip, u32 sp) -{ - loadsegment(fs, 0); - loadsegment(ds, __USER32_DS); - loadsegment(es, __USER32_DS); - load_gs_index(0); - regs->ip = ip; - regs->sp = sp; - regs->flags = X86_EFLAGS_IF; - regs->cs = __USER32_CS; - regs->ss = __USER32_DS; -} - -static inline void elf_common_init(struct thread_struct *t, - struct pt_regs *regs, const u16 ds) -{ - regs->ax = regs->bx = regs->cx = regs->dx = 0; - regs->si = regs->di = regs->bp = 0; - regs->r8 = regs->r9 = regs->r10 = regs->r11 = 0; - regs->r12 = regs->r13 = regs->r14 = regs->r15 = 0; - t->fs = t->gs = 0; - t->fsindex = t->gsindex = 0; - t->ds = t->es = ds; -} - -#define ELF_PLAT_INIT(_r, load_addr) \ -do { \ - elf_common_init(¤t->thread, _r, 0); \ - clear_thread_flag(TIF_IA32); \ -} while (0) - -#define COMPAT_ELF_PLAT_INIT(regs, load_addr) \ - elf_common_init(¤t->thread, regs, __USER_DS) - -#define compat_start_thread(regs, ip, sp) \ -do { \ - start_ia32_thread(regs, ip, sp); \ - set_fs(USER_DS); \ -} while (0) - -#define COMPAT_SET_PERSONALITY(ex) \ -do { \ - if (test_thread_flag(TIF_IA32)) \ - clear_thread_flag(TIF_ABI_PENDING); \ - else \ - set_thread_flag(TIF_ABI_PENDING); \ - current->personality |= force_personality32; \ -} while (0) - -#define COMPAT_ELF_PLATFORM ("i686") - -/* - * regs is struct pt_regs, pr_reg is elf_gregset_t (which is - * now struct_user_regs, they are different). Assumes current is the process - * getting dumped. - */ - -#define ELF_CORE_COPY_REGS(pr_reg, regs) \ -do { \ - unsigned v; \ - (pr_reg)[0] = (regs)->r15; \ - (pr_reg)[1] = (regs)->r14; \ - (pr_reg)[2] = (regs)->r13; \ - (pr_reg)[3] = (regs)->r12; \ - (pr_reg)[4] = (regs)->bp; \ - (pr_reg)[5] = (regs)->bx; \ - (pr_reg)[6] = (regs)->r11; \ - (pr_reg)[7] = (regs)->r10; \ - (pr_reg)[8] = (regs)->r9; \ - (pr_reg)[9] = (regs)->r8; \ - (pr_reg)[10] = (regs)->ax; \ - (pr_reg)[11] = (regs)->cx; \ - (pr_reg)[12] = (regs)->dx; \ - (pr_reg)[13] = (regs)->si; \ - (pr_reg)[14] = (regs)->di; \ - (pr_reg)[15] = (regs)->orig_ax; \ - (pr_reg)[16] = (regs)->ip; \ - (pr_reg)[17] = (regs)->cs; \ - (pr_reg)[18] = (regs)->flags; \ - (pr_reg)[19] = (regs)->sp; \ - (pr_reg)[20] = (regs)->ss; \ - (pr_reg)[21] = current->thread.fs; \ - (pr_reg)[22] = current->thread.gs; \ - asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v; \ - asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v; \ - asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v; \ - asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v; \ -} while (0); - -/* I'm not sure if we can use '-' here */ -#define ELF_PLATFORM ("x86_64") -extern void set_personality_64bit(void); -extern unsigned int sysctl_vsyscall32; -extern int force_personality32; - -#endif /* !CONFIG_X86_32 */ - -#define CORE_DUMP_USE_REGSET -#define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 - -/* 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) - -/* 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 (boot_cpu_data.x86_capability[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. - - For the moment, we have only optimizations for the Intel generations, - but that could change... */ - -#define SET_PERSONALITY(ex) set_personality_64bit() - -/* - * An executable for which elf_read_implies_exec() returns TRUE will - * have the READ_IMPLIES_EXEC personality flag set automatically. - */ -#define elf_read_implies_exec(ex, executable_stack) \ - (executable_stack != EXSTACK_DISABLE_X) - -struct task_struct; - -#define ARCH_DLINFO_IA32(vdso_enabled) \ -do { \ - if (vdso_enabled) { \ - NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE); \ - } \ -} while (0) - -#ifdef CONFIG_X86_32 - -#define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO)) - -#define ARCH_DLINFO ARCH_DLINFO_IA32(vdso_enabled) - -/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ - -#else /* CONFIG_X86_32 */ - -#define VDSO_HIGH_BASE 0xffffe000U /* CONFIG_COMPAT_VDSO address */ - -/* 1GB for 64bit, 8MB for 32bit */ -#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff) - -#define ARCH_DLINFO \ -do { \ - if (vdso_enabled) \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, \ - (unsigned long)current->mm->context.vdso); \ -} while (0) - -#define AT_SYSINFO 32 - -#define COMPAT_ARCH_DLINFO ARCH_DLINFO_IA32(sysctl_vsyscall32) - -#define COMPAT_ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000) - -#endif /* !CONFIG_X86_32 */ - -#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) - -#define VDSO_ENTRY \ - ((unsigned long)VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall)) - -struct linux_binprm; - -#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 -extern int arch_setup_additional_pages(struct linux_binprm *bprm, - int executable_stack); - -extern int syscall32_setup_pages(struct linux_binprm *, int exstack); -#define compat_arch_setup_additional_pages syscall32_setup_pages - -extern unsigned long arch_randomize_brk(struct mm_struct *mm); -#define arch_randomize_brk arch_randomize_brk - -#endif /* ASM_X86__ELF_H */ |