21 files changed, 303 insertions, 0 deletions

diff --git a/arch/um/sys-x86_64/asm/archparam.h b/arch/um/sys-x86_64/asm/archparam.h
new file mode 100644
index 000000000000..270ed9586b68
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/archparam.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_ARCHPARAM_X86_64_H
+#define __UM_ARCHPARAM_X86_64_H
+
+
+/* No user-accessible fixmap addresses, i.e. vsyscall */
+#define FIXADDR_USER_START      0
+#define FIXADDR_USER_END        0
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/arch/um/sys-x86_64/asm/elf.h b/arch/um/sys-x86_64/asm/elf.h
new file mode 100644
index 000000000000..6e8a9195e952
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/elf.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
diff --git a/arch/um/sys-x86_64/asm/module.h b/arch/um/sys-x86_64/asm/module.h
new file mode 100644
index 000000000000..35b5491d3e96
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/module.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_MODULE_X86_64_H
+#define __UM_MODULE_X86_64_H
+
+/* UML is simple */
+struct mod_arch_specific
+{
+};
+
+#define Elf_Shdr Elf64_Shdr
+#define Elf_Sym Elf64_Sym
+#define Elf_Ehdr Elf64_Ehdr
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/arch/um/sys-x86_64/asm/processor.h b/arch/um/sys-x86_64/asm/processor.h
new file mode 100644
index 000000000000..875a26a62614
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/processor.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PROCESSOR_X86_64_H
+#define __UM_PROCESSOR_X86_64_H
+
+/* include faultinfo structure */
+#include "sysdep/faultinfo.h"
+
+struct arch_thread {
+        unsigned long debugregs[8];
+        int debugregs_seq;
+        unsigned long fs;
+        struct faultinfo faultinfo;
+};
+
+/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
+static inline void rep_nop(void)
+{
+        __asm__ __volatile__("rep;nop": : :"memory");
+}
+
+#define cpu_relax()   rep_nop()
+
+#define INIT_ARCH_THREAD { .debugregs           = { [ 0 ... 7 ] = 0 }, \
+                           .debugregs_seq       = 0, \
+                           .fs                  = 0, \
+                           .faultinfo           = { 0, 0, 0 } }
+
+static inline void arch_flush_thread(struct arch_thread *thread)
+{
+}
+
+static inline void arch_copy_thread(struct arch_thread *from,
+                                    struct arch_thread *to)
+{
+        to->fs = from->fs;
+}
+
+#include <asm/user.h>
+
+#define current_text_addr() \
+        ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
+
+#define ARCH_IS_STACKGROW(address) \
+        (address + 128 >= UPT_SP(&current->thread.regs.regs))
+
+#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP)
+#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP)
+
+#include "asm/processor-generic.h"
+
+#endif
diff --git a/arch/um/sys-x86_64/asm/ptrace.h b/arch/um/sys-x86_64/asm/ptrace.h
new file mode 100644
index 000000000000..83d8c473b905
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/ptrace.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PTRACE_X86_64_H
+#define __UM_PTRACE_X86_64_H
+
+#include "linux/compiler.h"
+#include "asm/errno.h"
+
+#define __FRAME_OFFSETS /* Needed to get the R* macros */
+#include "asm/ptrace-generic.h"
+
+#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
+
+#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
+#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)
+#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs)
+#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs)
+#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs)
+#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs)
+#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs)
+#define PT_REGS_R8(r) UPT_R8(&(r)->regs)
+#define PT_REGS_R9(r) UPT_R9(&(r)->regs)
+#define PT_REGS_R10(r) UPT_R10(&(r)->regs)
+#define PT_REGS_R11(r) UPT_R11(&(r)->regs)
+#define PT_REGS_R12(r) UPT_R12(&(r)->regs)
+#define PT_REGS_R13(r) UPT_R13(&(r)->regs)
+#define PT_REGS_R14(r) UPT_R14(&(r)->regs)
+#define PT_REGS_R15(r) UPT_R15(&(r)->regs)
+
+#define PT_REGS_FS(r) UPT_FS(&(r)->regs)
+#define PT_REGS_GS(r) UPT_GS(&(r)->regs)
+#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
+#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
+#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
+#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
+
+#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs)
+#define PT_REGS_RIP(r) UPT_IP(&(r)->regs)
+#define PT_REGS_RSP(r) UPT_SP(&(r)->regs)
+
+#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
+
+/* XXX */
+#define user_mode(r) UPT_IS_USER(&(r)->regs)
+#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r)
+#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r)
+
+#define PT_FIX_EXEC_STACK(sp) do ; while(0)
+
+#define profile_pc(regs) PT_REGS_IP(regs)
+
+struct user_desc;
+
+static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
+                                         struct user_desc __user *user_desc)
+{
+        return -ENOSYS;
+}
+
+static inline int ptrace_set_thread_area(struct task_struct *child, int idx,
+                                         struct user_desc __user *user_desc)
+{
+        return -ENOSYS;
+}
+
+extern long arch_prctl(struct task_struct *task, int code,
+                       unsigned long __user *addr);
+#endif
diff --git a/arch/um/sys-x86_64/sysdep/archsetjmp.h b/arch/um/sys-x86_64/shared/sysdep/archsetjmp.h
index 2af8f12ca161..2af8f12ca161 100644
--- a/arch/um/sys-x86_64/sysdep/archsetjmp.h
+++ b/arch/um/sys-x86_64/shared/sysdep/archsetjmp.h
diff --git a/arch/um/sys-x86_64/sysdep/barrier.h b/arch/um/sys-x86_64/shared/sysdep/barrier.h
index 7b610befdc8f..7b610befdc8f 100644
--- a/arch/um/sys-x86_64/sysdep/barrier.h
+++ b/arch/um/sys-x86_64/shared/sysdep/barrier.h
diff --git a/arch/um/sys-x86_64/sysdep/checksum.h b/arch/um/sys-x86_64/shared/sysdep/checksum.h
index a5be9031ea85..a5be9031ea85 100644
--- a/arch/um/sys-x86_64/sysdep/checksum.h
+++ b/arch/um/sys-x86_64/shared/sysdep/checksum.h
diff --git a/arch/um/sys-x86_64/sysdep/faultinfo.h b/arch/um/sys-x86_64/shared/sysdep/faultinfo.h
index cb917b0d5660..cb917b0d5660 100644
--- a/arch/um/sys-x86_64/sysdep/faultinfo.h
+++ b/arch/um/sys-x86_64/shared/sysdep/faultinfo.h
diff --git a/arch/um/sys-x86_64/sysdep/host_ldt.h b/arch/um/sys-x86_64/shared/sysdep/host_ldt.h
index e8b1be1e154f..e8b1be1e154f 100644
--- a/arch/um/sys-x86_64/sysdep/host_ldt.h
+++ b/arch/um/sys-x86_64/shared/sysdep/host_ldt.h
diff --git a/arch/um/sys-x86_64/sysdep/kernel-offsets.h b/arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h
index a307237b7964..a307237b7964 100644
--- a/arch/um/sys-x86_64/sysdep/kernel-offsets.h
+++ b/arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h
diff --git a/arch/um/sys-x86_64/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
index 9ea44d111f33..9ea44d111f33 100644
--- a/arch/um/sys-x86_64/sysdep/ptrace.h
+++ b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
diff --git a/arch/um/sys-x86_64/sysdep/ptrace_user.h b/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h
index 4dbccdb58f48..4dbccdb58f48 100644
--- a/arch/um/sys-x86_64/sysdep/ptrace_user.h
+++ b/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h
diff --git a/arch/um/sys-x86_64/sysdep/sc.h b/arch/um/sys-x86_64/shared/sysdep/sc.h
index 8aee45b07434..8aee45b07434 100644
--- a/arch/um/sys-x86_64/sysdep/sc.h
+++ b/arch/um/sys-x86_64/shared/sysdep/sc.h
diff --git a/arch/um/sys-x86_64/sysdep/sigcontext.h b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h
index 0155133b1458..0155133b1458 100644
--- a/arch/um/sys-x86_64/sysdep/sigcontext.h
+++ b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h
diff --git a/arch/um/sys-x86_64/sysdep/skas_ptrace.h b/arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h
index 95db4be786e4..95db4be786e4 100644
--- a/arch/um/sys-x86_64/sysdep/skas_ptrace.h
+++ b/arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h
diff --git a/arch/um/sys-x86_64/sysdep/stub.h b/arch/um/sys-x86_64/shared/sysdep/stub.h
index 655f9c2de3ac..655f9c2de3ac 100644
--- a/arch/um/sys-x86_64/sysdep/stub.h
+++ b/arch/um/sys-x86_64/shared/sysdep/stub.h
diff --git a/arch/um/sys-x86_64/sysdep/syscalls.h b/arch/um/sys-x86_64/shared/sysdep/syscalls.h
index 7cfb0b085655..7cfb0b085655 100644
--- a/arch/um/sys-x86_64/sysdep/syscalls.h
+++ b/arch/um/sys-x86_64/shared/sysdep/syscalls.h
diff --git a/arch/um/sys-x86_64/sysdep/system.h b/arch/um/sys-x86_64/shared/sysdep/system.h
index d1b93c436200..d1b93c436200 100644
--- a/arch/um/sys-x86_64/sysdep/system.h
+++ b/arch/um/sys-x86_64/shared/sysdep/system.h
diff --git a/arch/um/sys-x86_64/sysdep/tls.h b/arch/um/sys-x86_64/shared/sysdep/tls.h
index 18c000d0357a..18c000d0357a 100644
--- a/arch/um/sys-x86_64/sysdep/tls.h
+++ b/arch/um/sys-x86_64/shared/sysdep/tls.h
diff --git a/arch/um/sys-x86_64/sysdep/vm-flags.h b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h
index 3213edfa7888..3213edfa7888 100644
--- a/arch/um/sys-x86_64/sysdep/vm-flags.h
+++ b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h