xref: /third_party/musl/arch/i386/bits/user.h (revision 570af302)
1570af302Sopenharmony_ci#undef __WORDSIZE
2570af302Sopenharmony_ci#define __WORDSIZE 32
3570af302Sopenharmony_ci
4570af302Sopenharmony_citypedef struct user_fpregs_struct {
5570af302Sopenharmony_ci	long cwd, swd, twd, fip, fcs, foo, fos, st_space[20];
6570af302Sopenharmony_ci} elf_fpregset_t;
7570af302Sopenharmony_ci
8570af302Sopenharmony_citypedef struct user_fpxregs_struct {
9570af302Sopenharmony_ci	unsigned short cwd, swd, twd, fop;
10570af302Sopenharmony_ci	long fip, fcs, foo, fos, mxcsr, reserved;
11570af302Sopenharmony_ci	long st_space[32], xmm_space[32], padding[56];
12570af302Sopenharmony_ci} elf_fpxregset_t;
13570af302Sopenharmony_ci
14570af302Sopenharmony_cistruct user_regs_struct {
15570af302Sopenharmony_ci	long ebx, ecx, edx, esi, edi, ebp, eax, xds, xes, xfs, xgs;
16570af302Sopenharmony_ci	long orig_eax, eip, xcs, eflags, esp, xss;
17570af302Sopenharmony_ci};
18570af302Sopenharmony_ci
19570af302Sopenharmony_ci#define ELF_NGREG 17
20570af302Sopenharmony_citypedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];
21570af302Sopenharmony_ci
22570af302Sopenharmony_cistruct user {
23570af302Sopenharmony_ci	struct user_regs_struct		regs;
24570af302Sopenharmony_ci	int				u_fpvalid;
25570af302Sopenharmony_ci	struct user_fpregs_struct	i387;
26570af302Sopenharmony_ci	unsigned long			u_tsize;
27570af302Sopenharmony_ci	unsigned long			u_dsize;
28570af302Sopenharmony_ci	unsigned long			u_ssize;
29570af302Sopenharmony_ci	unsigned long			start_code;
30570af302Sopenharmony_ci	unsigned long			start_stack;
31570af302Sopenharmony_ci	long				signal;
32570af302Sopenharmony_ci	int				reserved;
33570af302Sopenharmony_ci	struct user_regs_struct		*u_ar0;
34570af302Sopenharmony_ci	struct user_fpregs_struct	*u_fpstate;
35570af302Sopenharmony_ci	unsigned long			magic;
36570af302Sopenharmony_ci	char				u_comm[32];
37570af302Sopenharmony_ci	int				u_debugreg[8];
38570af302Sopenharmony_ci};
39570af302Sopenharmony_ci
40570af302Sopenharmony_ci#define PAGE_MASK		(~(PAGESIZE-1))
41570af302Sopenharmony_ci#define NBPG			PAGESIZE
42570af302Sopenharmony_ci#define UPAGES			1
43570af302Sopenharmony_ci#define HOST_TEXT_START_ADDR	(u.start_code)
44570af302Sopenharmony_ci#define HOST_STACK_END_ADDR	(u.start_stack + u.u_ssize * NBPG)
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