diff options
Diffstat (limited to 'arch/nds32/include/uapi/asm/sigcontext.h')
-rw-r--r-- | arch/nds32/include/uapi/asm/sigcontext.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/nds32/include/uapi/asm/sigcontext.h b/arch/nds32/include/uapi/asm/sigcontext.h deleted file mode 100644 index 6c1e6648878f..000000000000 --- a/arch/nds32/include/uapi/asm/sigcontext.h +++ /dev/null @@ -1,84 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -// 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; - /* - * When CONFIG_SUPPORT_DENORMAL_ARITHMETIC is defined, kernel prevents - * hardware from treating the denormalized output as an underflow case - * and rounding it to a normal number. Hence kernel enables the UDF and - * IEX trap in the fpcsr register to step in the calculation. - * However, the UDF and IEX trap enable bit in $fpcsr also lose - * their use. - * - * UDF_IEX_trap replaces the feature of UDF and IEX trap enable bit in - * $fpcsr to control the trap of underflow and inexact. The bit filed - * of UDF_IEX_trap is the same as $fpcsr, 10th bit is used to enable UDF - * exception trapping and 11th bit is used to enable IEX exception - * trapping. - * - * UDF_IEX_trap is only modified through fp_udfiex_crtl syscall. - * Therefore, UDF_IEX_trap needn't be saved and restored in each - * context switch. - */ - unsigned long UDF_IEX_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 |