mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-16 23:18:51 +09:00
![Peter Tyser](/assets/img/avatar_default.png)
This helps to clean up the include/ directory so that it only contains non-architecture-specific headers and also matches Linux's directory layout which many U-Boot developers are already familiar with. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
199 lines
4.1 KiB
C
199 lines
4.1 KiB
C
/*
|
|
* Copyright 2004-2008 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#ifndef _BFIN_PTRACE_H
|
|
#define _BFIN_PTRACE_H
|
|
|
|
/*
|
|
* GCC defines register number like this:
|
|
* -----------------------------
|
|
* 0 - 7 are data registers R0-R7
|
|
* 8 - 15 are address registers P0-P7
|
|
* 16 - 31 dsp registers I/B/L0 -- I/B/L3 & M0--M3
|
|
* 32 - 33 A registers A0 & A1
|
|
* 34 - status register
|
|
* -----------------------------
|
|
*
|
|
* We follows above, except:
|
|
* 32-33 --- Low 32-bit of A0&1
|
|
* 34-35 --- High 8-bit of A0&1
|
|
*/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct task_struct;
|
|
|
|
/* this struct defines the way the registers are stored on the
|
|
stack during a system call. */
|
|
|
|
struct pt_regs {
|
|
long orig_pc;
|
|
long ipend;
|
|
long seqstat;
|
|
long rete;
|
|
long retn;
|
|
long retx;
|
|
long pc; /* PC == RETI */
|
|
long rets;
|
|
long reserved; /* Used as scratch during system calls */
|
|
long astat;
|
|
long lb1;
|
|
long lb0;
|
|
long lt1;
|
|
long lt0;
|
|
long lc1;
|
|
long lc0;
|
|
long a1w;
|
|
long a1x;
|
|
long a0w;
|
|
long a0x;
|
|
long b3;
|
|
long b2;
|
|
long b1;
|
|
long b0;
|
|
long l3;
|
|
long l2;
|
|
long l1;
|
|
long l0;
|
|
long m3;
|
|
long m2;
|
|
long m1;
|
|
long m0;
|
|
long i3;
|
|
long i2;
|
|
long i1;
|
|
long i0;
|
|
long usp;
|
|
long fp;
|
|
long p5;
|
|
long p4;
|
|
long p3;
|
|
long p2;
|
|
long p1;
|
|
long p0;
|
|
long r7;
|
|
long r6;
|
|
long r5;
|
|
long r4;
|
|
long r3;
|
|
long r2;
|
|
long r1;
|
|
long r0;
|
|
long orig_r0;
|
|
long orig_p0;
|
|
long syscfg;
|
|
};
|
|
|
|
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
|
|
#define PTRACE_GETREGS 12
|
|
#define PTRACE_SETREGS 13 /* ptrace signal */
|
|
|
|
#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
|
|
#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
|
|
#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
|
|
|
|
#define PS_S (0x0002)
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
/* user_mode returns true if only one bit is set in IPEND, other than the
|
|
master interrupt enable. */
|
|
#define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
|
|
#define instruction_pointer(regs) ((regs)->pc)
|
|
#define user_stack_pointer(regs) ((regs)->usp)
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
|
extern void show_regs(struct pt_regs *);
|
|
|
|
#define arch_has_single_step() (1)
|
|
extern void user_enable_single_step(struct task_struct *);
|
|
/* see arch/blackfin/kernel/ptrace.c about this redirect */
|
|
#define user_disable_single_step(child) ptrace_disable(child)
|
|
|
|
/*
|
|
* Get the address of the live pt_regs for the specified task.
|
|
* These are saved onto the top kernel stack when the process
|
|
* is not running.
|
|
*
|
|
* Note: if a user thread is execve'd from kernel space, the
|
|
* kernel stack will not be empty on entry to the kernel, so
|
|
* ptracing these tasks will fail.
|
|
*/
|
|
#define task_pt_regs(task) \
|
|
(struct pt_regs *) \
|
|
((unsigned long)task_stack_page(task) + \
|
|
(THREAD_SIZE - sizeof(struct pt_regs)))
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/*
|
|
* Offsets used by 'ptrace' system call interface.
|
|
*/
|
|
|
|
#define PT_R0 204
|
|
#define PT_R1 200
|
|
#define PT_R2 196
|
|
#define PT_R3 192
|
|
#define PT_R4 188
|
|
#define PT_R5 184
|
|
#define PT_R6 180
|
|
#define PT_R7 176
|
|
#define PT_P0 172
|
|
#define PT_P1 168
|
|
#define PT_P2 164
|
|
#define PT_P3 160
|
|
#define PT_P4 156
|
|
#define PT_P5 152
|
|
#define PT_FP 148
|
|
#define PT_USP 144
|
|
#define PT_I0 140
|
|
#define PT_I1 136
|
|
#define PT_I2 132
|
|
#define PT_I3 128
|
|
#define PT_M0 124
|
|
#define PT_M1 120
|
|
#define PT_M2 116
|
|
#define PT_M3 112
|
|
#define PT_L0 108
|
|
#define PT_L1 104
|
|
#define PT_L2 100
|
|
#define PT_L3 96
|
|
#define PT_B0 92
|
|
#define PT_B1 88
|
|
#define PT_B2 84
|
|
#define PT_B3 80
|
|
#define PT_A0X 76
|
|
#define PT_A0W 72
|
|
#define PT_A1X 68
|
|
#define PT_A1W 64
|
|
#define PT_LC0 60
|
|
#define PT_LC1 56
|
|
#define PT_LT0 52
|
|
#define PT_LT1 48
|
|
#define PT_LB0 44
|
|
#define PT_LB1 40
|
|
#define PT_ASTAT 36
|
|
#define PT_RESERVED 32
|
|
#define PT_RETS 28
|
|
#define PT_PC 24
|
|
#define PT_RETX 20
|
|
#define PT_RETN 16
|
|
#define PT_RETE 12
|
|
#define PT_SEQSTAT 8
|
|
#define PT_IPEND 4
|
|
|
|
#define PT_ORIG_R0 208
|
|
#define PT_ORIG_P0 212
|
|
#define PT_SYSCFG 216
|
|
#define PT_TEXT_ADDR 220
|
|
#define PT_TEXT_END_ADDR 224
|
|
#define PT_DATA_ADDR 228
|
|
#define PT_FDPIC_EXEC 232
|
|
#define PT_FDPIC_INTERP 236
|
|
|
|
#endif /* _BFIN_PTRACE_H */
|