/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _CRIS_ARCH_PTRACE_H #define _CRIS_ARCH_PTRACE_H /* Frame types */ #define CRIS_FRAME_NORMAL 0 /* normal frame without SBFS stacking */ #define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return path */ /* Register numbers in the ptrace system call interface */ #define PT_FRAMETYPE 0 #define PT_ORIG_R10 1 #define PT_R13 2 #define PT_R12 3 #define PT_R11 4 #define PT_R10 5 #define PT_R9 6 #define PT_R8 7 #define PT_R7 8 #define PT_R6 9 #define PT_R5 10 #define PT_R4 11 #define PT_R3 12 #define PT_R2 13 #define PT_R1 14 #define PT_R0 15 #define PT_MOF 16 #define PT_DCCR 17 #define PT_SRP 18 #define PT_IRP 19 /* This is actually the debugged process' PC */ #define PT_CSRINSTR 20 /* CPU Status record remnants - valid if frametype == busfault */ #define PT_CSRADDR 21 #define PT_CSRDATA 22 #define PT_USP 23 /* special case - USP is not in the pt_regs */ #define PT_MAX 23 /* Condition code bit numbers. The same numbers apply to CCR of course, but we use DCCR everywhere else, so let's try and be consistent. */ #define C_DCCR_BITNR 0 #define V_DCCR_BITNR 1 #define Z_DCCR_BITNR 2 #define N_DCCR_BITNR 3 #define X_DCCR_BITNR 4 #define I_DCCR_BITNR 5 #define B_DCCR_BITNR 6 #define M_DCCR_BITNR 7 #define U_DCCR_BITNR 8 #define P_DCCR_BITNR 9 #define F_DCCR_BITNR 10 /* 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 frametype; /* type of stackframe */ unsigned long orig_r10; /* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */ unsigned long r13; unsigned long r12; unsigned long r11; unsigned long r10; unsigned long r9; unsigned long r8; unsigned long r7; unsigned long r6; unsigned long r5; unsigned long r4; unsigned long r3; unsigned long r2; unsigned long r1; unsigned long r0; unsigned long mof; unsigned long dccr; unsigned long srp; unsigned long irp; /* This is actually the debugged process' PC */ unsigned long csrinstr; unsigned long csraddr; unsigned long csrdata; }; /* 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 r9; unsigned long r8; unsigned long r7; unsigned long r6; unsigned long r5; unsigned long r4; unsigned long r3; unsigned long r2; unsigned long r1; unsigned long r0; unsigned long return_ip; /* ip that _resume will return to */ }; #ifdef __KERNEL__ /* bit 8 is user-mode flag */ #define user_mode(regs) (((regs)->dccr & 0x100) != 0) #define instruction_pointer(regs) ((regs)->irp) #define profile_pc(regs) instruction_pointer(regs) #endif /* __KERNEL__ */ #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mikael Starvik | 335 | 95.99% | 1 | 25.00% |
| William Lee Irwin III | 7 | 2.01% | 1 | 25.00% |
| Adrian Bunk | 6 | 1.72% | 1 | 25.00% |
| Greg Kroah-Hartman | 1 | 0.29% | 1 | 25.00% |
| Total | 349 | 100.00% | 4 | 100.00% |