149 lines
3.0 KiB
C
149 lines
3.0 KiB
C
/* 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
|