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80 lines
1.7 KiB
80 lines
1.7 KiB
20 years ago
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/*
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* linux/asm-sparc/reg.h
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* Layout of the registers as expected by gdb on the Sparc
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* we should replace the user.h definitions with those in
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* this file, we don't even use the other
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* -miguel
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*
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* The names of the structures, constants and aliases in this file
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* have the same names as the sunos ones, some programs rely on these
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* names (gdb for example).
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*
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*/
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#ifndef __SPARC_REG_H
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#define __SPARC_REG_H
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struct regs {
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int r_psr;
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#define r_ps r_psr
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int r_pc;
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int r_npc;
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int r_y;
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int r_g1;
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int r_g2;
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int r_g3;
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int r_g4;
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int r_g5;
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int r_g6;
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int r_g7;
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int r_o0;
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int r_o1;
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int r_o2;
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int r_o3;
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int r_o4;
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int r_o5;
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int r_o6;
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int r_o7;
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};
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struct fpq {
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unsigned long *addr;
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unsigned long instr;
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};
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struct fq {
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union {
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double whole;
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struct fpq fpq;
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} FQu;
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};
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#define FPU_REGS_TYPE unsigned int
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#define FPU_FSR_TYPE unsigned
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struct fp_status {
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union {
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FPU_REGS_TYPE Fpu_regs[32];
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double Fpu_dregs[16];
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} fpu_fr;
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FPU_FSR_TYPE Fpu_fsr;
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unsigned Fpu_flags;
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unsigned Fpu_extra;
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unsigned Fpu_qcnt;
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struct fq Fpu_q[16];
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};
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#define fpu_regs f_fpstatus.fpu_fr.Fpu_regs
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#define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs
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#define fpu_fsr f_fpstatus.Fpu_fsr
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#define fpu_flags f_fpstatus.Fpu_flags
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#define fpu_extra f_fpstatus.Fpu_extra
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#define fpu_q f_fpstatus.Fpu_q
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#define fpu_qcnt f_fpstatus.Fpu_qcnt
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struct fpu {
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struct fp_status f_fpstatus;
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};
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#endif /* __SPARC_REG_H */
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