/* SPARC stack layout Macros and structures, * mainly taken from BCC (the Bare C compiler for * SPARC LEON2/3) sources. * * (C) Copyright 2007 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #ifndef __SPARC_STACK_H__ #define __SPARC_STACK_H__ #include <asm/ptrace.h> #ifndef __ASSEMBLER__ #ifdef __cplusplus extern "C" { #endif #define PT_REGS_SZ sizeof(struct pt_regs) /* A Sparc stack frame */ struct sparc_stackframe_regs { unsigned long sf_locals[8]; unsigned long sf_ins[6]; struct sparc_stackframe_regs *sf_fp; unsigned long sf_callers_pc; char *sf_structptr; unsigned long sf_xargs[6]; unsigned long sf_xxargs[1]; }; #define SF_REGS_SZ sizeof(struct sparc_stackframe_regs) /* A register window */ struct sparc_regwindow_regs { unsigned long locals[8]; unsigned long ins[8]; }; #define RW_REGS_SZ sizeof(struct sparc_regwindow_regs) /* A fpu window */ struct sparc_fpuwindow_regs { unsigned long locals[32]; unsigned long fsr; unsigned long lastctx; }; #define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs) #ifdef __cplusplus } #endif #else #define PT_REGS_SZ 0x50 /* 20*4 */ #define SF_REGS_SZ 0x60 /* 24*4 */ #define RW_REGS_SZ 0x20 /* 16*4 */ #define FW_REGS_SZ 0x88 /* 34*4 */ #endif /* !ASM */ /* These are for pt_regs. */ #define PT_PSR 0x0 #define PT_PC 0x4 #define PT_NPC 0x8 #define PT_Y 0xc #define PT_G0 0x10 #define PT_WIM PT_G0 #define PT_G1 0x14 #define PT_G2 0x18 #define PT_G3 0x1c #define PT_G4 0x20 #define PT_G5 0x24 #define PT_G6 0x28 #define PT_G7 0x2c #define PT_I0 0x30 #define PT_I1 0x34 #define PT_I2 0x38 #define PT_I3 0x3c #define PT_I4 0x40 #define PT_I5 0x44 #define PT_I6 0x48 #define PT_FP PT_I6 #define PT_I7 0x4c /* Stack_frame offsets */ #define SF_L0 0x00 #define SF_L1 0x04 #define SF_L2 0x08 #define SF_L3 0x0c #define SF_L4 0x10 #define SF_L5 0x14 #define SF_L6 0x18 #define SF_L7 0x1c #define SF_I0 0x20 #define SF_I1 0x24 #define SF_I2 0x28 #define SF_I3 0x2c #define SF_I4 0x30 #define SF_I5 0x34 #define SF_FP 0x38 #define SF_PC 0x3c #define SF_RETP 0x40 #define SF_XARG0 0x44 #define SF_XARG1 0x48 #define SF_XARG2 0x4c #define SF_XARG3 0x50 #define SF_XARG4 0x54 #define SF_XARG5 0x58 #define SF_XXARG 0x5c /* Reg_window offsets */ #define RW_L0 0x00 #define RW_L1 0x04 #define RW_L2 0x08 #define RW_L3 0x0c #define RW_L4 0x10 #define RW_L5 0x14 #define RW_L6 0x18 #define RW_L7 0x1c #define RW_I0 0x20 #define RW_I1 0x24 #define RW_I2 0x28 #define RW_I3 0x2c #define RW_I4 0x30 #define RW_I5 0x34 #define RW_I6 0x38 #define RW_I7 0x3c /* Fpu_window offsets */ #define FW_F0 0x00 #define FW_F2 0x08 #define FW_F4 0x10 #define FW_F6 0x18 #define FW_F8 0x20 #define FW_F10 0x28 #define FW_F12 0x30 #define FW_F14 0x38 #define FW_F16 0x40 #define FW_F18 0x48 #define FW_F20 0x50 #define FW_F22 0x58 #define FW_F24 0x60 #define FW_F26 0x68 #define FW_F28 0x70 #define FW_F30 0x78 #define FW_FSR 0x80 #endif