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Annotation of Gnu-Mach/linux/src/include/asm-i386/math_emu.h, revision 1.1

1.1     ! root        1: #ifndef _I386_MATH_EMU_H
        !             2: #define _I386_MATH_EMU_H
        !             3: 
        !             4: #include <asm/sigcontext.h>
        !             5: 
        !             6: void restore_i387_soft(struct _fpstate *buf);
        !             7: struct _fpstate * save_i387_soft(struct _fpstate * buf);
        !             8: 
        !             9: struct fpu_reg {
        !            10:        char sign;
        !            11:        char tag;
        !            12:        long exp;
        !            13:        unsigned sigl;
        !            14:        unsigned sigh;
        !            15: };
        !            16: 
        !            17: 
        !            18: /* This structure matches the layout of the data saved to the stack
        !            19:    following a device-not-present interrupt, part of it saved
        !            20:    automatically by the 80386/80486.
        !            21:    */
        !            22: struct info {
        !            23:        long ___orig_eip;
        !            24:        long ___ret_from_system_call;
        !            25:        long ___ebx;
        !            26:        long ___ecx;
        !            27:        long ___edx;
        !            28:        long ___esi;
        !            29:        long ___edi;
        !            30:        long ___ebp;
        !            31:        long ___eax;
        !            32:        long ___ds;
        !            33:        long ___es;
        !            34:        long ___fs;
        !            35:        long ___gs;
        !            36:        long ___orig_eax;
        !            37:        long ___eip;
        !            38:        long ___cs;
        !            39:        long ___eflags;
        !            40:        long ___esp;
        !            41:        long ___ss;
        !            42:        long ___vm86_es; /* This and the following only in vm86 mode */
        !            43:        long ___vm86_ds;
        !            44:        long ___vm86_fs;
        !            45:        long ___vm86_gs;
        !            46: };
        !            47: 
        !            48: /* Interface for converting data between the emulator format
        !            49:  * and the hardware format. Used for core dumping and for
        !            50:  * ptrace(2) */
        !            51: void hardreg_to_softreg(const char hardreg[10],
        !            52:                              struct fpu_reg *soft_reg);
        !            53: 
        !            54: void softreg_to_hardreg(const struct fpu_reg *rp, char d[10],
        !            55:                        long int control_word);
        !            56: 
        !            57: #endif

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