1 #ifndef __ASM_CRIS_USER_H 2 #define __ASM_CRIS_USER_H 3 4 /* User-mode register used for core dumps. */ 5 6 struct user_fpregs { 7 }; 8 9 struct user_regs_struct { 10 unsigned long r0; /* General registers. */ 11 unsigned long r1; 12 unsigned long r2; 13 unsigned long r3; 14 unsigned long r4; 15 unsigned long r5; 16 unsigned long r6; 17 unsigned long r7; 18 unsigned long r8; 19 unsigned long r9; 20 unsigned long r10; 21 unsigned long r11; 22 unsigned long r12; 23 unsigned long r13; 24 unsigned long sp; /* R14, Stack pointer. */ 25 unsigned long acr; /* R15, Address calculation register. */ 26 unsigned long bz; /* P0, Constant zero (8-bits). */ 27 unsigned long vr; /* P1, Version register (8-bits). */ 28 unsigned long pid; /* P2, Process ID (8-bits). */ 29 unsigned long srs; /* P3, Support register select (8-bits). */ 30 unsigned long wz; /* P4, Constant zero (16-bits). */ 31 unsigned long exs; /* P5, Exception status. */ 32 unsigned long eda; /* P6, Exception data address. */ 33 unsigned long mof; /* P7, Multiply overflow regiter. */ 34 unsigned long dz; /* P8, Constant zero (32-bits). */ 35 unsigned long ebp; /* P9, Exception base pointer. */ 36 unsigned long erp; /* P10, Exception return pointer. */ 37 unsigned long srp; /* P11, Subroutine return pointer. */ 38 unsigned long nrp; /* P12, NMI return pointer. */ 39 unsigned long ccs; /* P13, Condition code stack. */ 40 unsigned long usp; /* P14, User mode stack pointer. */ 41 unsigned long spc; /* P15, Single step PC. */ 42 }; 43 44 /* 45 * Core file format: The core file is written in such a way that gdb 46 * can understand it and provide useful information to the user (under 47 * linux we use the `trad-core' bfd). The file contents are as follows: 48 * 49 * upage: 1 page consisting of a user struct that tells gdb 50 * what is present in the file. Directly after this is a 51 * copy of the task_struct, which is currently not used by gdb, 52 * but it may come in handy at some point. All of the registers 53 * are stored as part of the upage. The upage should always be 54 * only one page long. 55 * data: The data segment follows next. We use current->end_text to 56 * current->brk to pick up all of the user variables, plus any memory 57 * that may have been sbrk'ed. No attempt is made to determine if a 58 * page is demand-zero or if a page is totally unused, we just cover 59 * the entire range. All of the addresses are rounded in such a way 60 * that an integral number of pages is written. 61 * stack: We need the stack information in order to get a meaningful 62 * backtrace. We need to write the data from usp to 63 * current->start_stack, so we round each of these in order to be able 64 * to write an integer number of pages. 65 */ 66 67 struct user { 68 struct user_regs_struct regs; /* entire machine state */ 69 size_t u_tsize; /* text size (pages) */ 70 size_t u_dsize; /* data size (pages) */ 71 size_t u_ssize; /* stack size (pages) */ 72 unsigned long start_code; /* text starting address */ 73 unsigned long start_data; /* data starting address */ 74 unsigned long start_stack; /* stack starting address */ 75 long int signal; /* signal causing core dump */ 76 unsigned long u_ar0; /* help gdb find registers */ 77 unsigned long magic; /* identifies a core file */ 78 char u_comm[32]; /* user command name */ 79 }; 80 81 #endif /* __ASM_CRIS_USER_H */ 82