aboutsummaryrefslogtreecommitdiff
path: root/arch/um/include/asm/elf-x86_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/include/asm/elf-x86_64.h')
-rw-r--r--arch/um/include/asm/elf-x86_64.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/um/include/asm/elf-x86_64.h b/arch/um/include/asm/elf-x86_64.h
new file mode 100644
index 00000000000..6e8a9195e95
--- /dev/null
+++ b/arch/um/include/asm/elf-x86_64.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ *
+ * Licensed under the GPL
+ */
+#ifndef __UM_ELF_X86_64_H
+#define __UM_ELF_X86_64_H
+
+#include <asm/user.h>
+#include "skas.h"
+
+/* x86-64 relocation types, taken from asm-x86_64/elf.h */
+#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
+
+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;
+
+/*
+ * 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 ELF_CLASS ELFCLASS64
+#define ELF_DATA ELFDATA2LSB
+#define ELF_ARCH EM_X86_64
+
+#define ELF_PLAT_INIT(regs, load_addr) do { \
+ PT_REGS_RBX(regs) = 0; \
+ PT_REGS_RCX(regs) = 0; \
+ PT_REGS_RDX(regs) = 0; \
+ PT_REGS_RSI(regs) = 0; \
+ PT_REGS_RDI(regs) = 0; \
+ PT_REGS_RBP(regs) = 0; \
+ PT_REGS_RAX(regs) = 0; \
+ PT_REGS_R8(regs) = 0; \
+ PT_REGS_R9(regs) = 0; \
+ PT_REGS_R10(regs) = 0; \
+ PT_REGS_R11(regs) = 0; \
+ PT_REGS_R12(regs) = 0; \
+ PT_REGS_R13(regs) = 0; \
+ PT_REGS_R14(regs) = 0; \
+ PT_REGS_R15(regs) = 0; \
+} while (0)
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs) \
+ (pr_reg)[0] = (regs)->regs.gp[0]; \
+ (pr_reg)[1] = (regs)->regs.gp[1]; \
+ (pr_reg)[2] = (regs)->regs.gp[2]; \
+ (pr_reg)[3] = (regs)->regs.gp[3]; \
+ (pr_reg)[4] = (regs)->regs.gp[4]; \
+ (pr_reg)[5] = (regs)->regs.gp[5]; \
+ (pr_reg)[6] = (regs)->regs.gp[6]; \
+ (pr_reg)[7] = (regs)->regs.gp[7]; \
+ (pr_reg)[8] = (regs)->regs.gp[8]; \
+ (pr_reg)[9] = (regs)->regs.gp[9]; \
+ (pr_reg)[10] = (regs)->regs.gp[10]; \
+ (pr_reg)[11] = (regs)->regs.gp[11]; \
+ (pr_reg)[12] = (regs)->regs.gp[12]; \
+ (pr_reg)[13] = (regs)->regs.gp[13]; \
+ (pr_reg)[14] = (regs)->regs.gp[14]; \
+ (pr_reg)[15] = (regs)->regs.gp[15]; \
+ (pr_reg)[16] = (regs)->regs.gp[16]; \
+ (pr_reg)[17] = (regs)->regs.gp[17]; \
+ (pr_reg)[18] = (regs)->regs.gp[18]; \
+ (pr_reg)[19] = (regs)->regs.gp[19]; \
+ (pr_reg)[20] = (regs)->regs.gp[20]; \
+ (pr_reg)[21] = current->thread.arch.fs; \
+ (pr_reg)[22] = 0; \
+ (pr_reg)[23] = 0; \
+ (pr_reg)[24] = 0; \
+ (pr_reg)[25] = 0; \
+ (pr_reg)[26] = 0;
+
+extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
+
+#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
+
+#ifdef TIF_IA32 /* XXX */
+#error XXX, indeed
+ clear_thread_flag(TIF_IA32);
+#endif
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE 4096
+
+#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
+
+extern long elf_aux_hwcap;
+#define ELF_HWCAP (elf_aux_hwcap)
+
+#define ELF_PLATFORM "x86_64"
+
+#define SET_PERSONALITY(ex) do ; while(0)
+
+#endif