*/
enum {
REG_R0 = 0, REG_F0 = 32, REG_FPCR = 63, REG_PC = 64
};
#define PT_REG(reg) \
(PAGE_SIZE*2 - sizeof(struct pt_regs) + offsetof(struct pt_regs, reg))
#define SW_REG(reg) \
(PAGE_SIZE*2 - sizeof(struct pt_regs) - sizeof(struct switch_stack) \
+ offsetof(struct switch_stack, reg))
static int regoff[] = {
PT_REG( r0), PT_REG( r1), PT_REG( r2), PT_REG( r3),
PT_REG( r4), PT_REG( r5), PT_REG( r6), PT_REG( r7),
PT_REG( r8), SW_REG( r9), SW_REG( r10), SW_REG( r11),
SW_REG( r12), SW_REG( r13), SW_REG( r14), SW_REG( r15),
PT_REG( r16), PT_REG( r17), PT_REG( r18), PT_REG( r19),
PT_REG( r20), PT_REG( r21), PT_REG( r22), PT_REG( r23),
PT_REG( r24), PT_REG( r25), PT_REG( r26), PT_REG( r27),
PT_REG( r28), PT_REG( gp), -1, -1,
SW_REG(fp[ 0]), SW_REG(fp[ 1]), SW_REG(fp[ 2]), SW_REG(fp[ 3]),
SW_REG(fp[ 4]), SW_REG(fp[ 5]), SW_REG(fp[ 6]), SW_REG(fp[ 7]),
SW_REG(fp[ 8]), SW_REG(fp[ 9]), SW_REG(fp[10]), SW_REG(fp[11]),
SW_REG(fp[12]), SW_REG(fp[13]), SW_REG(fp[14]), SW_REG(fp[15]),
SW_REG(fp[16]), SW_REG(fp[17]), SW_REG(fp[18]), SW_REG(fp[19]),
SW_REG(fp[20]), SW_REG(fp[21]), SW_REG(fp[22]), SW_REG(fp[23]),
SW_REG(fp[24]), SW_REG(fp[25]), SW_REG(fp[26]), SW_REG(fp[27]),
SW_REG(fp[28]), SW_REG(fp[29]), SW_REG(fp[30]), SW_REG(fp[31]),
PT_REG( pc)
};
/* determines which bits in the SR the user has access to. */
/* 1 = access 0 = no access */
#define SR_MASK 0x001f
/* sets the trace bits. */
#define TRACE_BITS 0x8000
/* Find the stack offset for a register, relative to thread.esp0. */
#define PT_REG(reg) ((long)&((struct pt_regs *)0)->reg)
#define SW_REG(reg) ((long)&((struct switch_stack *)0)->reg \
- sizeof(struct switch_stack))
/* Mapping from PT_xxx to the stack offset at which the register is
saved. Notice that usp has no stack-slot and needs to be treated
specially (see get_reg/put_reg below). */
static const int regoff[] = {
PT_REG(er1), PT_REG(er2), PT_REG(er3), SW_REG(er4),
SW_REG(er5), SW_REG(er6), PT_REG(er0), PT_REG(orig_er0),
PT_REG(ccr), PT_REG(pc)
};
/*
* Get contents of register REGNO in task TASK.
*/
static inline long get_reg(struct task_struct *task, int regno)
{
unsigned long *addr;
if (regno == PT_USP)
addr = &task->thread.usp;
else if (regno < sizeof(regoff)/sizeof(regoff[0]))
addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
/* 1 = access 0 = no access */
#define SR_MASK 0x001f
/* sets the trace bits. */
#define TRACE_BITS 0x8000
/* Find the stack offset for a register, relative to tss.esp0. */
#define PT_REG(reg) ((long)&((struct pt_regs *)0)->reg)
#define SW_REG(reg) ((long)&((struct switch_stack *)0)->reg \
- sizeof(struct switch_stack))
/* Mapping from PT_xxx to the stack offset at which the register is
saved. Notice that usp has no stack-slot and needs to be treated
specially (see get_reg/put_reg below). */
static int regoff[] = {
PT_REG(d1), PT_REG(d2), PT_REG(d3), PT_REG(d4),
PT_REG(d5), SW_REG(d6), SW_REG(d7), PT_REG(a0),
PT_REG(a1), SW_REG(a2), SW_REG(a3), SW_REG(a4),
SW_REG(a5), SW_REG(a6), PT_REG(d0), -1,
PT_REG(orig_d0), PT_REG(sr), PT_REG(pc),
};
/* change a pid into a task struct. */
static inline struct task_struct * get_task(int pid)
{
int i;
for (i = 1; i < NR_TASKS; i++) {
if (task[i] != NULL && (task[i]->pid == pid))
return task[i];
}
return NULL;
*/
/* determines which bits in the SR the user has access to. */
/* 1 = access 0 = no access */
#define SR_MASK 0x006f
/* Find the stack offset for a register, relative to tss.esp0. */
#define PT_REG(reg) ((long)&((struct pt_regs *)0)->reg)
#define SW_REG(reg) ((long)&((struct switch_stack *)0)->reg \
- sizeof(struct switch_stack))
/* Mapping from PT_xxx to the stack offset at which the register is
saved. Notice that usp has no stack-slot and needs to be treated
specially (see get_reg/put_reg below). */
static const int pt_regs_offset[] = {
PT_REG(er1), PT_REG(er2), PT_REG(er3), PT_REG(er4),
PT_REG(er5), SW_REG(er6), PT_REG(er0), PT_REG(orig_er0),
PT_REG(ccr), PT_REG(pc)
};
/* change a pid into a task struct. */
static inline struct task_struct * get_task(int pid)
{
int i;
for (i = 1; i < NR_TASKS; i++) {
if (task[i] != NULL && (task[i]->pid == pid))
return task[i];
}
return NULL;
}