xref: /qemu/linux-user/x86_64/target_syscall.h (revision e3a6e0da)
1 #ifndef X86_64_TARGET_SYSCALL_H
2 #define X86_64_TARGET_SYSCALL_H
3 
4 #define __USER_CS	(0x33)
5 #define __USER_DS	(0x2B)
6 
7 struct target_pt_regs {
8 	abi_ulong r15;
9 	abi_ulong r14;
10 	abi_ulong r13;
11 	abi_ulong r12;
12 	abi_ulong rbp;
13 	abi_ulong rbx;
14 /* arguments: non interrupts/non tracing syscalls only save up to here */
15 	abi_ulong r11;
16 	abi_ulong r10;
17 	abi_ulong r9;
18 	abi_ulong r8;
19 	abi_ulong rax;
20 	abi_ulong rcx;
21 	abi_ulong rdx;
22 	abi_ulong rsi;
23 	abi_ulong rdi;
24 	abi_ulong orig_rax;
25 /* end of arguments */
26 /* cpu exception frame or undefined */
27 	abi_ulong rip;
28 	abi_ulong cs;
29 	abi_ulong eflags;
30 	abi_ulong rsp;
31 	abi_ulong ss;
32 /* top of stack page */
33 };
34 
35 /* Maximum number of LDT entries supported. */
36 #define TARGET_LDT_ENTRIES	8192
37 /* The size of each LDT entry. */
38 #define TARGET_LDT_ENTRY_SIZE	8
39 
40 #define TARGET_GDT_ENTRIES 16
41 #define TARGET_GDT_ENTRY_TLS_ENTRIES 3
42 #define TARGET_GDT_ENTRY_TLS_MIN 12
43 #define TARGET_GDT_ENTRY_TLS_MAX 14
44 
45 #if 0 // Redefine this
46 struct target_modify_ldt_ldt_s {
47 	unsigned int  entry_number;
48         abi_ulong     base_addr;
49 	unsigned int  limit;
50 	unsigned int  seg_32bit:1;
51 	unsigned int  contents:2;
52 	unsigned int  read_exec_only:1;
53 	unsigned int  limit_in_pages:1;
54 	unsigned int  seg_not_present:1;
55 	unsigned int  useable:1;
56 	unsigned int  lm:1;
57 };
58 #else
59 struct target_modify_ldt_ldt_s {
60 	unsigned int  entry_number;
61         abi_ulong     base_addr;
62 	unsigned int  limit;
63         unsigned int flags;
64 };
65 #endif
66 
67 struct target_ipc64_perm
68 {
69 	int		key;
70 	uint32_t	uid;
71 	uint32_t	gid;
72 	uint32_t	cuid;
73 	uint32_t	cgid;
74 	unsigned short		mode;
75 	unsigned short		__pad1;
76 	unsigned short		seq;
77 	unsigned short		__pad2;
78 	abi_ulong		__unused1;
79 	abi_ulong		__unused2;
80 };
81 
82 struct target_msqid64_ds {
83 	struct target_ipc64_perm msg_perm;
84 	unsigned int msg_stime;	/* last msgsnd time */
85 	unsigned int msg_rtime;	/* last msgrcv time */
86 	unsigned int msg_ctime;	/* last change time */
87 	abi_ulong  msg_cbytes;	/* current number of bytes on queue */
88 	abi_ulong  msg_qnum;	/* number of messages in queue */
89 	abi_ulong  msg_qbytes;	/* max number of bytes on queue */
90 	unsigned int msg_lspid;	/* pid of last msgsnd */
91 	unsigned int msg_lrpid;	/* last receive pid */
92 	abi_ulong  __unused4;
93 	abi_ulong  __unused5;
94 };
95 
96 #define UNAME_MACHINE "x86_64"
97 #define UNAME_MINIMUM_RELEASE "2.6.32"
98 
99 #define TARGET_ARCH_SET_GS 0x1001
100 #define TARGET_ARCH_SET_FS 0x1002
101 #define TARGET_ARCH_GET_FS 0x1003
102 #define TARGET_ARCH_GET_GS 0x1004
103 #define TARGET_MINSIGSTKSZ 2048
104 #define TARGET_MCL_CURRENT 1
105 #define TARGET_MCL_FUTURE  2
106 #define TARGET_MCL_ONFAULT 4
107 
108 #endif /* X86_64_TARGET_SYSCALL_H */
109