Lines Matching full:child
74 int ptrace_get_debugreg(struct task_struct *child, unsigned long addr, in ptrace_get_debugreg() argument
80 return put_user(child->thread.debug.dac1, datalp); in ptrace_get_debugreg()
139 static long set_instruction_bp(struct task_struct *child, in set_instruction_bp() argument
143 int slot1_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC1) != 0); in set_instruction_bp()
144 int slot2_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC2) != 0); in set_instruction_bp()
145 int slot3_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC3) != 0); in set_instruction_bp()
146 int slot4_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC4) != 0); in set_instruction_bp()
148 if (dbcr_iac_range(child) & DBCR_IAC12MODE) in set_instruction_bp()
150 if (dbcr_iac_range(child) & DBCR_IAC34MODE) in set_instruction_bp()
164 child->thread.debug.iac1 = bp_info->addr; in set_instruction_bp()
165 child->thread.debug.iac2 = bp_info->addr2; in set_instruction_bp()
166 child->thread.debug.dbcr0 |= DBCR0_IAC1; in set_instruction_bp()
169 dbcr_iac_range(child) |= DBCR_IAC12X; in set_instruction_bp()
171 dbcr_iac_range(child) |= DBCR_IAC12I; in set_instruction_bp()
175 child->thread.debug.iac3 = bp_info->addr; in set_instruction_bp()
176 child->thread.debug.iac4 = bp_info->addr2; in set_instruction_bp()
177 child->thread.debug.dbcr0 |= DBCR0_IAC3; in set_instruction_bp()
180 dbcr_iac_range(child) |= DBCR_IAC34X; in set_instruction_bp()
182 dbcr_iac_range(child) |= DBCR_IAC34I; in set_instruction_bp()
198 child->thread.debug.iac1 = bp_info->addr; in set_instruction_bp()
199 child->thread.debug.dbcr0 |= DBCR0_IAC1; in set_instruction_bp()
205 child->thread.debug.iac2 = bp_info->addr; in set_instruction_bp()
206 child->thread.debug.dbcr0 |= DBCR0_IAC2; in set_instruction_bp()
210 child->thread.debug.iac3 = bp_info->addr; in set_instruction_bp()
211 child->thread.debug.dbcr0 |= DBCR0_IAC3; in set_instruction_bp()
214 child->thread.debug.iac4 = bp_info->addr; in set_instruction_bp()
215 child->thread.debug.dbcr0 |= DBCR0_IAC4; in set_instruction_bp()
222 child->thread.debug.dbcr0 |= DBCR0_IDM; in set_instruction_bp()
223 child->thread.regs->msr |= MSR_DE; in set_instruction_bp()
228 static int del_instruction_bp(struct task_struct *child, int slot) in del_instruction_bp() argument
232 if ((child->thread.debug.dbcr0 & DBCR0_IAC1) == 0) in del_instruction_bp()
235 if (dbcr_iac_range(child) & DBCR_IAC12MODE) { in del_instruction_bp()
237 child->thread.debug.iac2 = 0; in del_instruction_bp()
238 dbcr_iac_range(child) &= ~DBCR_IAC12MODE; in del_instruction_bp()
240 child->thread.debug.iac1 = 0; in del_instruction_bp()
241 child->thread.debug.dbcr0 &= ~DBCR0_IAC1; in del_instruction_bp()
244 if ((child->thread.debug.dbcr0 & DBCR0_IAC2) == 0) in del_instruction_bp()
247 if (dbcr_iac_range(child) & DBCR_IAC12MODE) in del_instruction_bp()
250 child->thread.debug.iac2 = 0; in del_instruction_bp()
251 child->thread.debug.dbcr0 &= ~DBCR0_IAC2; in del_instruction_bp()
255 if ((child->thread.debug.dbcr0 & DBCR0_IAC3) == 0) in del_instruction_bp()
258 if (dbcr_iac_range(child) & DBCR_IAC34MODE) { in del_instruction_bp()
260 child->thread.debug.iac4 = 0; in del_instruction_bp()
261 dbcr_iac_range(child) &= ~DBCR_IAC34MODE; in del_instruction_bp()
263 child->thread.debug.iac3 = 0; in del_instruction_bp()
264 child->thread.debug.dbcr0 &= ~DBCR0_IAC3; in del_instruction_bp()
267 if ((child->thread.debug.dbcr0 & DBCR0_IAC4) == 0) in del_instruction_bp()
270 if (dbcr_iac_range(child) & DBCR_IAC34MODE) in del_instruction_bp()
273 child->thread.debug.iac4 = 0; in del_instruction_bp()
274 child->thread.debug.dbcr0 &= ~DBCR0_IAC4; in del_instruction_bp()
283 static int set_dac(struct task_struct *child, struct ppc_hw_breakpoint *bp_info) in set_dac() argument
298 if ((dbcr_dac(child) & (DBCR_DAC1R | DBCR_DAC1W)) == 0) { in set_dac()
301 dbcr_dac(child) |= DBCR_DAC1R; in set_dac()
303 dbcr_dac(child) |= DBCR_DAC1W; in set_dac()
304 child->thread.debug.dac1 = (unsigned long)bp_info->addr; in set_dac()
307 child->thread.debug.dvc1 = in set_dac()
309 child->thread.debug.dbcr2 |= in set_dac()
315 } else if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) { in set_dac()
319 } else if ((dbcr_dac(child) & (DBCR_DAC2R | DBCR_DAC2W)) == 0) { in set_dac()
322 dbcr_dac(child) |= DBCR_DAC2R; in set_dac()
324 dbcr_dac(child) |= DBCR_DAC2W; in set_dac()
325 child->thread.debug.dac2 = (unsigned long)bp_info->addr; in set_dac()
328 child->thread.debug.dvc2 = in set_dac()
330 child->thread.debug.dbcr2 |= in set_dac()
338 child->thread.debug.dbcr0 |= DBCR0_IDM; in set_dac()
339 child->thread.regs->msr |= MSR_DE; in set_dac()
344 static int del_dac(struct task_struct *child, int slot) in del_dac() argument
347 if ((dbcr_dac(child) & (DBCR_DAC1R | DBCR_DAC1W)) == 0) in del_dac()
350 child->thread.debug.dac1 = 0; in del_dac()
351 dbcr_dac(child) &= ~(DBCR_DAC1R | DBCR_DAC1W); in del_dac()
353 if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) { in del_dac()
354 child->thread.debug.dac2 = 0; in del_dac()
355 child->thread.debug.dbcr2 &= ~DBCR2_DAC12MODE; in del_dac()
357 child->thread.debug.dbcr2 &= ~(DBCR2_DVC1M | DBCR2_DVC1BE); in del_dac()
360 child->thread.debug.dvc1 = 0; in del_dac()
363 if ((dbcr_dac(child) & (DBCR_DAC2R | DBCR_DAC2W)) == 0) in del_dac()
367 if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) in del_dac()
370 child->thread.debug.dbcr2 &= ~(DBCR2_DVC2M | DBCR2_DVC2BE); in del_dac()
373 child->thread.debug.dvc2 = 0; in del_dac()
375 child->thread.debug.dac2 = 0; in del_dac()
376 dbcr_dac(child) &= ~(DBCR_DAC2R | DBCR_DAC2W); in del_dac()
385 static int set_dac_range(struct task_struct *child, in set_dac_range() argument
417 if (child->thread.debug.dbcr0 & in set_dac_range()
422 child->thread.debug.dbcr0 |= (DBCR0_DAC1R | DBCR0_IDM); in set_dac_range()
424 child->thread.debug.dbcr0 |= (DBCR0_DAC1W | DBCR0_IDM); in set_dac_range()
425 child->thread.debug.dac1 = bp_info->addr; in set_dac_range()
426 child->thread.debug.dac2 = bp_info->addr2; in set_dac_range()
428 child->thread.debug.dbcr2 |= DBCR2_DAC12M; in set_dac_range()
430 child->thread.debug.dbcr2 |= DBCR2_DAC12MX; in set_dac_range()
432 child->thread.debug.dbcr2 |= DBCR2_DAC12MM; in set_dac_range()
433 child->thread.regs->msr |= MSR_DE; in set_dac_range()
439 long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info) in ppc_set_hwdebug() argument
463 return set_instruction_bp(child, bp_info); in ppc_set_hwdebug()
466 return set_dac(child, bp_info); in ppc_set_hwdebug()
469 return set_dac_range(child, bp_info); in ppc_set_hwdebug()
475 long ppc_del_hwdebug(struct task_struct *child, long data) in ppc_del_hwdebug() argument
480 rc = del_instruction_bp(child, (int)data); in ppc_del_hwdebug()
482 rc = del_dac(child, (int)data - 4); in ppc_del_hwdebug()
485 if (!DBCR_ACTIVE_EVENTS(child->thread.debug.dbcr0, in ppc_del_hwdebug()
486 child->thread.debug.dbcr1)) { in ppc_del_hwdebug()
487 child->thread.debug.dbcr0 &= ~DBCR0_IDM; in ppc_del_hwdebug()
488 child->thread.regs->msr &= ~MSR_DE; in ppc_del_hwdebug()