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