dcodeIO/webassembly

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lib/musl-wasm32/include/bits/user.h

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#undef __WORDSIZE
#define __WORDSIZE 32

typedef struct user_fpregs_struct
{
    long cwd, swd, twd, fip, fcs, foo, fos, st_space[20];
} elf_fpregset_t;

typedef struct user_fpxregs_struct
{
    unsigned short cwd, swd, twd, fop;
    long fip, fcs, foo, fos, mxcsr, reserved;
    long st_space[32], xmm_space[32], padding[56];
} elf_fpxregset_t;

struct user_regs_struct
{
    long ebx, ecx, edx, esi, edi, ebp, eax, xds, xes, xfs, xgs;
    long orig_eax, eip, xcs, eflags, esp, xss;
};

#define ELF_NGREG 17
typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG];

struct user
{
    struct user_regs_struct        regs;
    int                u_fpvalid;
    struct user_fpregs_struct    i387;
    unsigned long            u_tsize;
    unsigned long            u_dsize;
    unsigned long            u_ssize;
    unsigned long            start_code;
    unsigned long            start_stack;
    long                signal;
    int                reserved;
    struct user_regs_struct        *u_ar0;
    struct user_fpregs_struct    *u_fpstate;
    unsigned long            magic;
    char                u_comm[32];
    int                u_debugreg[8];
};

#define PAGE_MASK        (~(PAGE_SIZE-1))
#define NBPG            PAGE_SIZE
#define UPAGES            1
#define HOST_TEXT_START_ADDR    (u.start_code)
#define HOST_STACK_END_ADDR    (u.start_stack + u.u_ssize * NBPG)