| /* 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. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #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 |