abi.h File Reference

#include <arch/chip.h>

Go to the source code of this file.

Macros
#define	__ARCH_ABI_H__
#define	__INT_REG_BITS   CHIP_WORD_SIZE()
#define	__INT_REG_FMT   "l"
#define	INT_REG_FMT   __INT_REG_FMT
#define	INT_REG_BITS   __INT_REG_BITS
#define	TREG_FP   52
#define	TREG_TP   53
#define	TREG_SP   54
#define	TREG_LR   55
#define	TREG_LAST_GPR   55
#define	TREG_SN   56
#define	TREG_IDN0   57
#define	TREG_IDN1   58
#define	TREG_UDN0   59
#define	TREG_UDN1   60
#define	TREG_UDN2   61
#define	TREG_UDN3   62
#define	TREG_ZERO   63
#define	TREG_SYSCALL_NR   10
#define	TREG_SYSCALL_NR_NAME   r10
#define	C_ABI_SAVE_AREA_SIZE   (2 * (INT_REG_BITS / 8))
#define	INFO_OP_CANNOT_BACKTRACE   2

Typedefs
typedef unsigned long	__uint_reg_t
typedef long	__int_reg_t
typedef __uint_reg_t	uint_reg_t
typedef __int_reg_t	int_reg_t

Detailed Description

ABI-related register definitions.

Definition in file abi.h.

Macro Definition Documentation

#define __ARCH_ABI_H__

Definition at line 24 of file abi.h.

#define __INT_REG_BITS   CHIP_WORD_SIZE()

Number of bits in a register.

Definition at line 38 of file abi.h.

#define __INT_REG_FMT   "l"

String prefix to use for printf().

Definition at line 67 of file abi.h.

#define C_ABI_SAVE_AREA_SIZE   (2 * (INT_REG_BITS / 8))

The ABI requires callers to allocate a caller state save area of this many bytes at the bottom of each stack frame.

Definition at line 127 of file abi.h.

#define INFO_OP_CANNOT_BACKTRACE   2

The operand to an 'info' opcode directing the backtracer to not try to find the calling frame.

Definition at line 133 of file abi.h.

#define INT_REG_BITS   __INT_REG_BITS

Number of bits in a register.

Definition at line 88 of file abi.h.

#define INT_REG_FMT   __INT_REG_FMT

String prefix to use for printf().

Definition at line 85 of file abi.h.

#define TREG_FP   52

Frame pointer.

Definition at line 93 of file abi.h.

#define TREG_IDN0   57

IDN demux 0 access.

Definition at line 104 of file abi.h.

#define TREG_IDN1   58

IDN demux 1 access.

Definition at line 105 of file abi.h.

#define TREG_LAST_GPR   55

Index of last normal general-purpose register.

Definition at line 99 of file abi.h.

#define TREG_LR   55

Link to calling function PC.

Definition at line 96 of file abi.h.

#define TREG_SN   56

Static network access.

Definition at line 103 of file abi.h.

#define TREG_SP   54

Stack pointer.

Definition at line 95 of file abi.h.

#define TREG_SYSCALL_NR   10

By convention, this register is used to hold the syscall number.

Definition at line 117 of file abi.h.

#define TREG_SYSCALL_NR_NAME   r10

Name of register that holds the syscall number, for use in assembly.

Definition at line 120 of file abi.h.

#define TREG_TP   53

Thread pointer.

Definition at line 94 of file abi.h.

#define TREG_UDN0   59

UDN demux 0 access.

Definition at line 106 of file abi.h.

#define TREG_UDN1   60

UDN demux 1 access.

Definition at line 107 of file abi.h.

#define TREG_UDN2   61

UDN demux 2 access.

Definition at line 108 of file abi.h.

#define TREG_UDN3   62

UDN demux 3 access.

Definition at line 109 of file abi.h.

#define TREG_ZERO   63

"Zero" register; always reads as "0".

Definition at line 113 of file abi.h.

Typedef Documentation

typedef long __int_reg_t

Signed type that can hold a register.

Definition at line 63 of file abi.h.

typedef unsigned long __uint_reg_t

Unsigned type that can hold a register.

Definition at line 60 of file abi.h.

typedef __int_reg_t int_reg_t

Signed type that can hold a register.

Definition at line 81 of file abi.h.

typedef __uint_reg_t uint_reg_t

Unsigned type that can hold a register.

Definition at line 78 of file abi.h.