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-rw-r--r--arch/um/sys-x86_64/asm/archparam.h16
-rw-r--r--arch/um/sys-x86_64/asm/elf.h132
-rw-r--r--arch/um/sys-x86_64/asm/module.h20
-rw-r--r--arch/um/sys-x86_64/asm/processor.h56
-rw-r--r--arch/um/sys-x86_64/asm/ptrace.h72
5 files changed, 296 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 00000000000..6c083663b8d
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/archparam.h
@@ -0,0 +1,16 @@
1/*
2 * Copyright 2003 PathScale, Inc.
3 *
4 * Licensed under the GPL
5 */
6
7#ifndef __UM_ARCHPARAM_X86_64_H
8#define __UM_ARCHPARAM_X86_64_H
9
10
11/* No user-accessible fixmap addresses, i.e. vsyscall */
12#define FIXADDR_USER_START 0
13#define FIXADDR_USER_END 0
14
15#endif
16
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 00000000000..11a2bfb3885
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/elf.h
@@ -0,0 +1,132 @@
1/*
2 * Copyright 2003 PathScale, Inc.
3 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 *
5 * Licensed under the GPL
6 */
7#ifndef __UM_ELF_X86_64_H
8#define __UM_ELF_X86_64_H
9
10#include <asm/user.h>
11#include "skas.h"
12
13/* x86-64 relocation types, taken from asm-x86_64/elf.h */
14#define R_X86_64_NONE 0 /* No reloc */
15#define R_X86_64_64 1 /* Direct 64 bit */
16#define R_X86_64_PC32 2 /* PC relative 32 bit signed */
17#define R_X86_64_GOT32 3 /* 32 bit GOT entry */
18#define R_X86_64_PLT32 4 /* 32 bit PLT address */
19#define R_X86_64_COPY 5 /* Copy symbol at runtime */
20#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
21#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
22#define R_X86_64_RELATIVE 8 /* Adjust by program base */
23#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative
24 offset to GOT */
25#define R_X86_64_32 10 /* Direct 32 bit zero extended */
26#define R_X86_64_32S 11 /* Direct 32 bit sign extended */
27#define R_X86_64_16 12 /* Direct 16 bit zero extended */
28#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
29#define R_X86_64_8 14 /* Direct 8 bit sign extended */
30#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
31
32#define R_X86_64_NUM 16
33
34typedef unsigned long elf_greg_t;
35
36#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
37typedef elf_greg_t elf_gregset_t[ELF_NGREG];
38
39typedef struct user_i387_struct elf_fpregset_t;
40
41/*
42 * This is used to ensure we don't load something for the wrong architecture.
43 */
44#define elf_check_arch(x) \
45 ((x)->e_machine == EM_X86_64)
46
47#define ELF_CLASS ELFCLASS64
48#define ELF_DATA ELFDATA2LSB
49#define ELF_ARCH EM_X86_64
50
51#define ELF_PLAT_INIT(regs, load_addr) do { \
52 PT_REGS_RBX(regs) = 0; \
53 PT_REGS_RCX(regs) = 0; \
54 PT_REGS_RDX(regs) = 0; \
55 PT_REGS_RSI(regs) = 0; \
56 PT_REGS_RDI(regs) = 0; \
57 PT_REGS_RBP(regs) = 0; \
58 PT_REGS_RAX(regs) = 0; \
59 PT_REGS_R8(regs) = 0; \
60 PT_REGS_R9(regs) = 0; \
61 PT_REGS_R10(regs) = 0; \
62 PT_REGS_R11(regs) = 0; \
63 PT_REGS_R12(regs) = 0; \
64 PT_REGS_R13(regs) = 0; \
65 PT_REGS_R14(regs) = 0; \
66 PT_REGS_R15(regs) = 0; \
67} while (0)
68
69#define ELF_CORE_COPY_REGS(pr_reg, _regs) \
70 (pr_reg)[0] = (_regs)->regs.gp[0]; \
71 (pr_reg)[1] = (_regs)->regs.gp[1]; \
72 (pr_reg)[2] = (_regs)->regs.gp[2]; \
73 (pr_reg)[3] = (_regs)->regs.gp[3]; \
74 (pr_reg)[4] = (_regs)->regs.gp[4]; \
75 (pr_reg)[5] = (_regs)->regs.gp[5]; \
76 (pr_reg)[6] = (_regs)->regs.gp[6]; \
77 (pr_reg)[7] = (_regs)->regs.gp[7]; \
78 (pr_reg)[8] = (_regs)->regs.gp[8]; \
79 (pr_reg)[9] = (_regs)->regs.gp[9]; \
80 (pr_reg)[10] = (_regs)->regs.gp[10]; \
81 (pr_reg)[11] = (_regs)->regs.gp[11]; \
82 (pr_reg)[12] = (_regs)->regs.gp[12]; \
83 (pr_reg)[13] = (_regs)->regs.gp[13]; \
84 (pr_reg)[14] = (_regs)->regs.gp[14]; \
85 (pr_reg)[15] = (_regs)->regs.gp[15]; \
86 (pr_reg)[16] = (_regs)->regs.gp[16]; \
87 (pr_reg)[17] = (_regs)->regs.gp[17]; \
88 (pr_reg)[18] = (_regs)->regs.gp[18]; \
89 (pr_reg)[19] = (_regs)->regs.gp[19]; \
90 (pr_reg)[20] = (_regs)->regs.gp[20]; \
91 (pr_reg)[21] = current->thread.arch.fs; \
92 (pr_reg)[22] = 0; \
93 (pr_reg)[23] = 0; \
94 (pr_reg)[24] = 0; \
95 (pr_reg)[25] = 0; \
96 (pr_reg)[26] = 0;
97
98#define task_pt_regs(t) (&(t)->thread.regs)
99
100struct task_struct;
101
102extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
103
104#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
105
106#ifdef TIF_IA32 /* XXX */
107#error XXX, indeed
108 clear_thread_flag(TIF_IA32);
109#endif
110
111#define ELF_EXEC_PAGESIZE 4096
112
113#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
114
115extern long elf_aux_hwcap;
116#define ELF_HWCAP (elf_aux_hwcap)
117
118#define ELF_PLATFORM "x86_64"
119
120#define SET_PERSONALITY(ex) do ; while(0)
121
122#define __HAVE_ARCH_GATE_AREA 1
123#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
124struct linux_binprm;
125extern int arch_setup_additional_pages(struct linux_binprm *bprm,
126 int uses_interp);
127
128extern unsigned long um_vdso_addr;
129#define AT_SYSINFO_EHDR 33
130#define ARCH_DLINFO NEW_AUX_ENT(AT_SYSINFO_EHDR, um_vdso_addr)
131
132#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 00000000000..8eb79c2d07d
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/module.h
@@ -0,0 +1,20 @@
1/*
2 * Copyright 2003 PathScale, Inc.
3 *
4 * Licensed under the GPL
5 */
6
7#ifndef __UM_MODULE_X86_64_H
8#define __UM_MODULE_X86_64_H
9
10/* UML is simple */
11struct mod_arch_specific
12{
13};
14
15#define Elf_Shdr Elf64_Shdr
16#define Elf_Sym Elf64_Sym
17#define Elf_Ehdr Elf64_Ehdr
18
19#endif
20
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 00000000000..875a26a6261
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/processor.h
@@ -0,0 +1,56 @@
1/*
2 * Copyright 2003 PathScale, Inc.
3 *
4 * Licensed under the GPL
5 */
6
7#ifndef __UM_PROCESSOR_X86_64_H
8#define __UM_PROCESSOR_X86_64_H
9
10/* include faultinfo structure */
11#include "sysdep/faultinfo.h"
12
13struct arch_thread {
14 unsigned long debugregs[8];
15 int debugregs_seq;
16 unsigned long fs;
17 struct faultinfo faultinfo;
18};
19
20/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
21static inline void rep_nop(void)
22{
23 __asm__ __volatile__("rep;nop": : :"memory");
24}
25
26#define cpu_relax() rep_nop()
27
28#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
29 .debugregs_seq = 0, \
30 .fs = 0, \
31 .faultinfo = { 0, 0, 0 } }
32
33static inline void arch_flush_thread(struct arch_thread *thread)
34{
35}
36
37static inline void arch_copy_thread(struct arch_thread *from,
38 struct arch_thread *to)
39{
40 to->fs = from->fs;
41}
42
43#include <asm/user.h>
44
45#define current_text_addr() \
46 ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
47
48#define ARCH_IS_STACKGROW(address) \
49 (address + 128 >= UPT_SP(&current->thread.regs.regs))
50
51#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP)
52#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP)
53
54#include "asm/processor-generic.h"
55
56#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 00000000000..83d8c473b90
--- /dev/null
+++ b/arch/um/sys-x86_64/asm/ptrace.h
@@ -0,0 +1,72 @@
1/*
2 * Copyright 2003 PathScale, Inc.
3 *
4 * Licensed under the GPL
5 */
6
7#ifndef __UM_PTRACE_X86_64_H
8#define __UM_PTRACE_X86_64_H
9
10#include "linux/compiler.h"
11#include "asm/errno.h"
12
13#define __FRAME_OFFSETS /* Needed to get the R* macros */
14#include "asm/ptrace-generic.h"
15
16#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
17
18#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
19#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)
20#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs)
21#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs)
22#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs)
23#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs)
24#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs)
25#define PT_REGS_R8(r) UPT_R8(&(r)->regs)
26#define PT_REGS_R9(r) UPT_R9(&(r)->regs)
27#define PT_REGS_R10(r) UPT_R10(&(r)->regs)
28#define PT_REGS_R11(r) UPT_R11(&(r)->regs)
29#define PT_REGS_R12(r) UPT_R12(&(r)->regs)
30#define PT_REGS_R13(r) UPT_R13(&(r)->regs)
31#define PT_REGS_R14(r) UPT_R14(&(r)->regs)
32#define PT_REGS_R15(r) UPT_R15(&(r)->regs)
33
34#define PT_REGS_FS(r) UPT_FS(&(r)->regs)
35#define PT_REGS_GS(r) UPT_GS(&(r)->regs)
36#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
37#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
38#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
39#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
40
41#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs)
42#define PT_REGS_RIP(r) UPT_IP(&(r)->regs)
43#define PT_REGS_RSP(r) UPT_SP(&(r)->regs)
44
45#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
46
47/* XXX */
48#define user_mode(r) UPT_IS_USER(&(r)->regs)
49#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r)
50#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r)
51
52#define PT_FIX_EXEC_STACK(sp) do ; while(0)
53
54#define profile_pc(regs) PT_REGS_IP(regs)
55
56struct user_desc;
57
58static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
59 struct user_desc __user *user_desc)
60{
61 return -ENOSYS;
62}
63
64static inline int ptrace_set_thread_area(struct task_struct *child, int idx,
65 struct user_desc __user *user_desc)
66{
67 return -ENOSYS;
68}
69
70extern long arch_prctl(struct task_struct *task, int code,
71 unsigned long __user *addr);
72#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-23 11:10:56 -0400