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https://github.com/AsahiLinux/u-boot
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181 lines
4.6 KiB
C
181 lines
4.6 KiB
C
/* Contain the Stack frame layout on interrupt. pt_regs.
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* taken from the SPARC port of Linux (ptrace.h).
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*
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* (C) Copyright 2007
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* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#ifndef __SPARC_PTRACE_H__
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#define __SPARC_PTRACE_H__
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#include <asm/psr.h>
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/* This struct defines the way the registers are stored on the
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* stack during a system call and basically all traps.
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*/
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#ifndef __ASSEMBLY__
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struct pt_regs {
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unsigned long psr;
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unsigned long pc;
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unsigned long npc;
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unsigned long y;
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unsigned long u_regs[16]; /* globals and ins */
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};
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#define UREG_G0 0
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#define UREG_G1 1
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#define UREG_G2 2
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#define UREG_G3 3
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#define UREG_G4 4
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#define UREG_G5 5
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#define UREG_G6 6
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#define UREG_G7 7
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#define UREG_I0 8
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#define UREG_I1 9
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#define UREG_I2 10
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#define UREG_I3 11
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#define UREG_I4 12
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#define UREG_I5 13
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#define UREG_I6 14
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#define UREG_I7 15
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#define UREG_WIM UREG_G0
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#define UREG_FADDR UREG_G0
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#define UREG_FP UREG_I6
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#define UREG_RETPC UREG_I7
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/* A register window */
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struct reg_window {
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unsigned long locals[8];
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unsigned long ins[8];
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};
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/* A Sparc stack frame */
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struct sparc_stackf {
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unsigned long locals[8];
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unsigned long ins[6];
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struct sparc_stackf *fp;
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unsigned long callers_pc;
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char *structptr;
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unsigned long xargs[6];
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unsigned long xxargs[1];
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};
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#define TRACEREG_SZ sizeof(struct pt_regs)
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#define STACKFRAME_SZ sizeof(struct sparc_stackf)
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#else /* __ASSEMBLY__ */
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/* For assembly code. */
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#define TRACEREG_SZ 0x50
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#define STACKFRAME_SZ 0x60
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#endif
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/*
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* The asm_offsets.h is a generated file, so we cannot include it.
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* It may be OK for glibc headers, but it's utterly pointless for C code.
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* The assembly code using those offsets has to include it explicitly.
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*/
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/* #include <asm/asm_offsets.h> */
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/* These are for pt_regs. */
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#define PT_PSR 0x0
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#define PT_PC 0x4
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#define PT_NPC 0x8
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#define PT_Y 0xc
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#define PT_G0 0x10
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#define PT_WIM PT_G0
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#define PT_G1 0x14
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#define PT_G2 0x18
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#define PT_G3 0x1c
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#define PT_G4 0x20
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#define PT_G5 0x24
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#define PT_G6 0x28
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#define PT_G7 0x2c
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#define PT_I0 0x30
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#define PT_I1 0x34
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#define PT_I2 0x38
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#define PT_I3 0x3c
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#define PT_I4 0x40
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#define PT_I5 0x44
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#define PT_I6 0x48
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#define PT_FP PT_I6
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#define PT_I7 0x4c
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/* Reg_window offsets */
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#define RW_L0 0x00
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#define RW_L1 0x04
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#define RW_L2 0x08
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#define RW_L3 0x0c
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#define RW_L4 0x10
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#define RW_L5 0x14
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#define RW_L6 0x18
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#define RW_L7 0x1c
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#define RW_I0 0x20
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#define RW_I1 0x24
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#define RW_I2 0x28
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#define RW_I3 0x2c
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#define RW_I4 0x30
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#define RW_I5 0x34
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#define RW_I6 0x38
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#define RW_I7 0x3c
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/* Stack_frame offsets */
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#define SF_L0 0x00
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#define SF_L1 0x04
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#define SF_L2 0x08
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#define SF_L3 0x0c
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#define SF_L4 0x10
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#define SF_L5 0x14
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#define SF_L6 0x18
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#define SF_L7 0x1c
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#define SF_I0 0x20
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#define SF_I1 0x24
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#define SF_I2 0x28
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#define SF_I3 0x2c
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#define SF_I4 0x30
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#define SF_I5 0x34
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#define SF_FP 0x38
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#define SF_PC 0x3c
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#define SF_RETP 0x40
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#define SF_XARG0 0x44
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#define SF_XARG1 0x48
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#define SF_XARG2 0x4c
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#define SF_XARG3 0x50
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#define SF_XARG4 0x54
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#define SF_XARG5 0x58
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#define SF_XXARG 0x5c
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/* Stuff for the ptrace system call */
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#define PTRACE_SUNATTACH 10
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#define PTRACE_SUNDETACH 11
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#define PTRACE_GETREGS 12
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#define PTRACE_SETREGS 13
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#define PTRACE_GETFPREGS 14
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#define PTRACE_SETFPREGS 15
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#define PTRACE_READDATA 16
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#define PTRACE_WRITEDATA 17
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#define PTRACE_READTEXT 18
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#define PTRACE_WRITETEXT 19
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#define PTRACE_GETFPAREGS 20
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#define PTRACE_SETFPAREGS 21
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#define PTRACE_GETUCODE 29 /* stupid bsd-ism */
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#endif /* !(_SPARC_PTRACE_H) */
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