stacktrace.c File Reference

#include <linux/kernel.h>

Go to the source code of this file.

Macros
#define	MAJOR_OP   0xfc000000
#define	LDA_OP   0x20000000
#define	STQ_OP   0xb4000000
#define	BR_OP   0xc0000000
#define	STK_ALLOC_1   0x23de8000 /* lda $30,-X($30) */
#define	STK_ALLOC_1M   0xffff8000
#define	STK_ALLOC_2   0x43c0153e /* subq $30,X,$30 */
#define	STK_ALLOC_2M   0xffe01fff
#define	MEM_REG   0x03e00000
#define	MEM_BASE   0x001f0000
#define	MEM_OFF   0x0000ffff
#define	MEM_OFF_SIGN   0x00008000
#define	BASE_SP   0x001e0000
#define	STK_ALLOC_MATCH(INSTR)
#define	STK_PUSH_MATCH(INSTR)   (((INSTR) & (MAJOR_OP | MEM_BASE | MEM_OFF_SIGN)) == (STQ_OP | BASE_SP))
#define	MEM_OP_OFFSET(INSTR)   (((long)((INSTR) & MEM_OFF) << 48) >> 48)
#define	MEM_OP_REG(INSTR)   (((INSTR) & MEM_REG) >> 22)
#define	BB_END(INSTR)
#define	IS_KERNEL_TEXT(PC)   ((unsigned long)(PC) > START_ADDR)

Typedefs
typedef unsigned int	instr

Functions
void	stacktrace (void)

Macro Definition Documentation

#define BASE_SP   0x001e0000

Definition at line 19 of file stacktrace.c.

#define BB_END

(

INSTR

)

Value:

(((instr)(INSTR) >= BR_OP) | ((instr)(INSTR) < LDA_OP) |    \
   ((((instr)(INSTR) ^ 0x60000000) < 0x20000000) &      \
    (((instr)(INSTR) & 0x0c000000) != 0)))

Definition at line 32 of file stacktrace.c.

#define BR_OP   0xc0000000

Definition at line 8 of file stacktrace.c.

#define IS_KERNEL_TEXT

(

PC

)

((unsigned long)(PC) > START_ADDR)

Definition at line 37 of file stacktrace.c.

#define LDA_OP   0x20000000

Definition at line 6 of file stacktrace.c.

#define MAJOR_OP   0xfc000000

Definition at line 5 of file stacktrace.c.

#define MEM_BASE   0x001f0000

Definition at line 16 of file stacktrace.c.

#define MEM_OFF   0x0000ffff

Definition at line 17 of file stacktrace.c.

#define MEM_OFF_SIGN   0x00008000

Definition at line 18 of file stacktrace.c.

#define MEM_OP_OFFSET

(

INSTR

)

(((long)((INSTR) & MEM_OFF) << 48) >> 48)

Definition at line 26 of file stacktrace.c.

#define MEM_OP_REG

(

INSTR

)

(((INSTR) & MEM_REG) >> 22)

Definition at line 28 of file stacktrace.c.

#define MEM_REG   0x03e00000

Definition at line 15 of file stacktrace.c.

#define STK_ALLOC_1   0x23de8000 /* lda $30,-X($30) */

Definition at line 10 of file stacktrace.c.

#define STK_ALLOC_1M   0xffff8000

Definition at line 11 of file stacktrace.c.

#define STK_ALLOC_2   0x43c0153e /* subq $30,X,$30 */

Definition at line 12 of file stacktrace.c.

#define STK_ALLOC_2M   0xffe01fff

Definition at line 13 of file stacktrace.c.

#define STK_ALLOC_MATCH

(

INSTR

)

Value:

(((INSTR) & STK_ALLOC_1M) == STK_ALLOC_1    \
   || ((INSTR) & STK_ALLOC_2M) == STK_ALLOC_2)

Definition at line 21 of file stacktrace.c.

#define STK_PUSH_MATCH

(

INSTR

)

(((INSTR) & (MAJOR_OP | MEM_BASE | MEM_OFF_SIGN)) == (STQ_OP | BASE_SP))

Definition at line 24 of file stacktrace.c.

#define STQ_OP   0xb4000000

Definition at line 7 of file stacktrace.c.

Typedef Documentation

typedef unsigned int instr

Definition at line 3 of file stacktrace.c.

Function Documentation

void stacktrace

(

void

)

Definition at line 90 of file stacktrace.c.