| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| #ifndef _CRIS_ARCH_PTRACE_H | |
| #define _CRIS_ARCH_PTRACE_H | |
| /* Register numbers in the ptrace system call interface */ | |
| #define PT_ORIG_R10 0 | |
| #define PT_R0 1 | |
| #define PT_R1 2 | |
| #define PT_R2 3 | |
| #define PT_R3 4 | |
| #define PT_R4 5 | |
| #define PT_R5 6 | |
| #define PT_R6 7 | |
| #define PT_R7 8 | |
| #define PT_R8 9 | |
| #define PT_R9 10 | |
| #define PT_R10 11 | |
| #define PT_R11 12 | |
| #define PT_R12 13 | |
| #define PT_R13 14 | |
| #define PT_ACR 15 | |
| #define PT_SRS 16 | |
| #define PT_MOF 17 | |
| #define PT_SPC 18 | |
| #define PT_CCS 19 | |
| #define PT_SRP 20 | |
| #define PT_ERP 21 /* This is actually the debugged process' PC */ | |
| #define PT_EXS 22 | |
| #define PT_EDA 23 | |
| #define PT_USP 24 /* special case - USP is not in the pt_regs */ | |
| #define PT_PPC 25 /* special case - pseudo PC */ | |
| #define PT_BP 26 /* Base number for BP registers. */ | |
| #define PT_BP_CTRL 26 /* BP control register. */ | |
| #define PT_MAX 40 | |
| /* Condition code bit numbers. */ | |
| #define C_CCS_BITNR 0 | |
| #define V_CCS_BITNR 1 | |
| #define Z_CCS_BITNR 2 | |
| #define N_CCS_BITNR 3 | |
| #define X_CCS_BITNR 4 | |
| #define I_CCS_BITNR 5 | |
| #define U_CCS_BITNR 6 | |
| #define P_CCS_BITNR 7 | |
| #define R_CCS_BITNR 8 | |
| #define S_CCS_BITNR 9 | |
| #define M_CCS_BITNR 30 | |
| #define Q_CCS_BITNR 31 | |
| #define CCS_SHIFT 10 /* Shift count for each level in CCS */ | |
| /* pt_regs not only specifices the format in the user-struct during | |
| * ptrace but is also the frame format used in the kernel prologue/epilogues | |
| * themselves | |
| */ | |
| struct pt_regs { | |
| unsigned long orig_r10; | |
| /* pushed by movem r13, [sp] in SAVE_ALL. */ | |
| unsigned long r0; | |
| unsigned long r1; | |
| unsigned long r2; | |
| unsigned long r3; | |
| unsigned long r4; | |
| unsigned long r5; | |
| unsigned long r6; | |
| unsigned long r7; | |
| unsigned long r8; | |
| unsigned long r9; | |
| unsigned long r10; | |
| unsigned long r11; | |
| unsigned long r12; | |
| unsigned long r13; | |
| unsigned long acr; | |
| unsigned long srs; | |
| unsigned long mof; | |
| unsigned long spc; | |
| unsigned long ccs; | |
| unsigned long srp; | |
| unsigned long erp; /* This is actually the debugged process' PC */ | |
| /* For debugging purposes; saved only when needed. */ | |
| unsigned long exs; | |
| unsigned long eda; | |
| }; | |
| /* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S) | |
| * when doing a context-switch. it is used (apart from in resume) when a new | |
| * thread is made and we need to make _resume (which is starting it for the | |
| * first time) realise what is going on. | |
| * | |
| * Actually, the use is very close to the thread struct (TSS) in that both the | |
| * switch_stack and the TSS are used to keep thread stuff when switching in | |
| * _resume. | |
| */ | |
| struct switch_stack { | |
| unsigned long r0; | |
| unsigned long r1; | |
| unsigned long r2; | |
| unsigned long r3; | |
| unsigned long r4; | |
| unsigned long r5; | |
| unsigned long r6; | |
| unsigned long r7; | |
| unsigned long r8; | |
| unsigned long r9; | |
| unsigned long return_ip; /* ip that _resume will return to */ | |
| }; | |
| #ifdef __KERNEL__ | |
| #define arch_has_single_step() (1) | |
| #define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0) | |
| #define instruction_pointer(regs) ((regs)->erp) | |
| #define profile_pc(regs) instruction_pointer(regs) | |
| #endif /* __KERNEL__ */ | |
| #endif |