1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _ASM_SIGCONTEXT_H 20 #define _ASM_SIGCONTEXT_H 21 22 #include <linux/types.h> 23 #include <linux/posix_types.h> 24 25 /* FP context was used */ 26 #define SC_USED_FP (1 << 0) 27 /* Address error was due to memory load */ 28 #define SC_ADDRERR_RD (1 << 30) 29 /* Address error was due to memory store */ 30 #define SC_ADDRERR_WR (1 << 31) 31 32 struct sigcontext { 33 __u64 sc_pc; 34 __u64 sc_regs[32]; 35 __u32 sc_flags; 36 __u64 sc_extcontext[0] __attribute__((__aligned__(16))); 37 }; 38 39 #define CONTEXT_INFO_ALIGN 16 40 struct sctx_info { 41 __u32 magic; 42 __u32 size; 43 __u64 padding; /* padding to 16 bytes */ 44 }; 45 46 /* FPU context */ 47 #define FPU_CTX_MAGIC 0x46505501 48 #define FPU_CTX_ALIGN 8 49 struct fpu_context { 50 __u64 regs[32]; 51 __u64 fcc; 52 __u32 fcsr; 53 }; 54 55 /* LSX context */ 56 #define LSX_CTX_MAGIC 0x53580001 57 #define LSX_CTX_ALIGN 16 58 struct lsx_context { 59 __u64 regs[2*32]; 60 __u64 fcc; 61 __u32 fcsr; 62 }; 63 64 /* LASX context */ 65 #define LASX_CTX_MAGIC 0x41535801 66 #define LASX_CTX_ALIGN 32 67 struct lasx_context { 68 __u64 regs[4*32]; 69 __u64 fcc; 70 __u32 fcsr; 71 }; 72 73 /* LBT context */ 74 #define LBT_CTX_MAGIC 0x42540001 75 #define LBT_CTX_ALIGN 8 76 struct lbt_context { 77 __u64 scr[4]; 78 __u32 eflags; 79 }; 80 81 #endif /* _ASM_SIGCONTEXT_H */ 82