mirror of https://gitee.com/openkylin/linux.git
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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// Copyright (C) 2005-2017 Andes Technology Corporation
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#ifndef _ASMNDS32_SIGCONTEXT_H
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#define _ASMNDS32_SIGCONTEXT_H
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/*
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* Signal context structure - contains all info to do with the state
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* before the signal handler was invoked. Note: only add new entries
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* to the end of the structure.
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*/
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struct fpu_struct {
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unsigned long long fd_regs[32];
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unsigned long fpcsr;
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/*
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* UDF_trap is used to recognize whether underflow trap is enabled
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* or not. When UDF_trap == 1, this process will be traped and then
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* get a SIGFPE signal when encountering an underflow exception.
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* UDF_trap is only modified through setfputrap syscall. Therefore,
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* UDF_trap needn't be saved or loaded to context in each context
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* switch.
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*/
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unsigned long UDF_trap;
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};
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struct zol_struct {
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unsigned long nds32_lc; /* $LC */
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unsigned long nds32_le; /* $LE */
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unsigned long nds32_lb; /* $LB */
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};
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struct sigcontext {
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unsigned long trap_no;
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unsigned long error_code;
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unsigned long oldmask;
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unsigned long nds32_r0;
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unsigned long nds32_r1;
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unsigned long nds32_r2;
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unsigned long nds32_r3;
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unsigned long nds32_r4;
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unsigned long nds32_r5;
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unsigned long nds32_r6;
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unsigned long nds32_r7;
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unsigned long nds32_r8;
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unsigned long nds32_r9;
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unsigned long nds32_r10;
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unsigned long nds32_r11;
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unsigned long nds32_r12;
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unsigned long nds32_r13;
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unsigned long nds32_r14;
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unsigned long nds32_r15;
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unsigned long nds32_r16;
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unsigned long nds32_r17;
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unsigned long nds32_r18;
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unsigned long nds32_r19;
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unsigned long nds32_r20;
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unsigned long nds32_r21;
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unsigned long nds32_r22;
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unsigned long nds32_r23;
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unsigned long nds32_r24;
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unsigned long nds32_r25;
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unsigned long nds32_fp; /* $r28 */
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unsigned long nds32_gp; /* $r29 */
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unsigned long nds32_lp; /* $r30 */
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unsigned long nds32_sp; /* $r31 */
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unsigned long nds32_ipc;
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unsigned long fault_address;
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unsigned long used_math_flag;
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/* FPU Registers */
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struct fpu_struct fpu;
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struct zol_struct zol;
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};
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#endif
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