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Annotation of Gnu-Mach/linux/src/include/asm-i386/math_emu.h, revision 1.1.1.1

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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