summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/ptrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/ptrace.c')
-rw-r--r--arch/powerpc/kernel/ptrace.c154
1 files changed, 77 insertions, 77 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 9a0d24c390a3..ddaf1780879c 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -854,8 +854,8 @@ void user_enable_single_step(struct task_struct *task)
if (regs != NULL) {
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
- task->thread.dbcr0 &= ~DBCR0_BT;
- task->thread.dbcr0 |= DBCR0_IDM | DBCR0_IC;
+ task->thread.debug.dbcr0 &= ~DBCR0_BT;
+ task->thread.debug.dbcr0 |= DBCR0_IDM | DBCR0_IC;
regs->msr |= MSR_DE;
#else
regs->msr &= ~MSR_BE;
@@ -871,8 +871,8 @@ void user_enable_block_step(struct task_struct *task)
if (regs != NULL) {
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
- task->thread.dbcr0 &= ~DBCR0_IC;
- task->thread.dbcr0 = DBCR0_IDM | DBCR0_BT;
+ task->thread.debug.dbcr0 &= ~DBCR0_IC;
+ task->thread.debug.dbcr0 = DBCR0_IDM | DBCR0_BT;
regs->msr |= MSR_DE;
#else
regs->msr &= ~MSR_SE;
@@ -894,16 +894,16 @@ void user_disable_single_step(struct task_struct *task)
* And, after doing so, if all debug flags are off, turn
* off DBCR0(IDM) and MSR(DE) .... Torez
*/
- task->thread.dbcr0 &= ~DBCR0_IC;
+ task->thread.debug.dbcr0 &= ~DBCR0_IC;
/*
* Test to see if any of the DBCR_ACTIVE_EVENTS bits are set.
*/
- if (!DBCR_ACTIVE_EVENTS(task->thread.dbcr0,
- task->thread.dbcr1)) {
+ if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0,
+ task->thread.debug.dbcr1)) {
/*
* All debug events were off.....
*/
- task->thread.dbcr0 &= ~DBCR0_IDM;
+ task->thread.debug.dbcr0 &= ~DBCR0_IDM;
regs->msr &= ~MSR_DE;
}
#else
@@ -1022,14 +1022,14 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
*/
/* DAC's hold the whole address without any mode flags */
- task->thread.dac1 = data & ~0x3UL;
+ task->thread.debug.dac1 = data & ~0x3UL;
- if (task->thread.dac1 == 0) {
+ if (task->thread.debug.dac1 == 0) {
dbcr_dac(task) &= ~(DBCR_DAC1R | DBCR_DAC1W);
- if (!DBCR_ACTIVE_EVENTS(task->thread.dbcr0,
- task->thread.dbcr1)) {
+ if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0,
+ task->thread.debug.dbcr1)) {
task->thread.regs->msr &= ~MSR_DE;
- task->thread.dbcr0 &= ~DBCR0_IDM;
+ task->thread.debug.dbcr0 &= ~DBCR0_IDM;
}
return 0;
}
@@ -1041,7 +1041,7 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
/* Set the Internal Debugging flag (IDM bit 1) for the DBCR0
register */
- task->thread.dbcr0 |= DBCR0_IDM;
+ task->thread.debug.dbcr0 |= DBCR0_IDM;
/* Check for write and read flags and set DBCR0
accordingly */
@@ -1071,10 +1071,10 @@ static long set_instruction_bp(struct task_struct *child,
struct ppc_hw_breakpoint *bp_info)
{
int slot;
- int slot1_in_use = ((child->thread.dbcr0 & DBCR0_IAC1) != 0);
- int slot2_in_use = ((child->thread.dbcr0 & DBCR0_IAC2) != 0);
- int slot3_in_use = ((child->thread.dbcr0 & DBCR0_IAC3) != 0);
- int slot4_in_use = ((child->thread.dbcr0 & DBCR0_IAC4) != 0);
+ int slot1_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC1) != 0);
+ int slot2_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC2) != 0);
+ int slot3_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC3) != 0);
+ int slot4_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC4) != 0);
if (dbcr_iac_range(child) & DBCR_IAC12MODE)
slot2_in_use = 1;
@@ -1093,9 +1093,9 @@ static long set_instruction_bp(struct task_struct *child,
/* We need a pair of IAC regsisters */
if ((!slot1_in_use) && (!slot2_in_use)) {
slot = 1;
- child->thread.iac1 = bp_info->addr;
- child->thread.iac2 = bp_info->addr2;
- child->thread.dbcr0 |= DBCR0_IAC1;
+ child->thread.debug.iac1 = bp_info->addr;
+ child->thread.debug.iac2 = bp_info->addr2;
+ child->thread.debug.dbcr0 |= DBCR0_IAC1;
if (bp_info->addr_mode ==
PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE)
dbcr_iac_range(child) |= DBCR_IAC12X;
@@ -1104,9 +1104,9 @@ static long set_instruction_bp(struct task_struct *child,
#if CONFIG_PPC_ADV_DEBUG_IACS > 2
} else if ((!slot3_in_use) && (!slot4_in_use)) {
slot = 3;
- child->thread.iac3 = bp_info->addr;
- child->thread.iac4 = bp_info->addr2;
- child->thread.dbcr0 |= DBCR0_IAC3;
+ child->thread.debug.iac3 = bp_info->addr;
+ child->thread.debug.iac4 = bp_info->addr2;
+ child->thread.debug.dbcr0 |= DBCR0_IAC3;
if (bp_info->addr_mode ==
PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE)
dbcr_iac_range(child) |= DBCR_IAC34X;
@@ -1126,30 +1126,30 @@ static long set_instruction_bp(struct task_struct *child,
*/
if (slot2_in_use || (slot3_in_use == slot4_in_use)) {
slot = 1;
- child->thread.iac1 = bp_info->addr;
- child->thread.dbcr0 |= DBCR0_IAC1;
+ child->thread.debug.iac1 = bp_info->addr;
+ child->thread.debug.dbcr0 |= DBCR0_IAC1;
goto out;
}
}
if (!slot2_in_use) {
slot = 2;
- child->thread.iac2 = bp_info->addr;
- child->thread.dbcr0 |= DBCR0_IAC2;
+ child->thread.debug.iac2 = bp_info->addr;
+ child->thread.debug.dbcr0 |= DBCR0_IAC2;
#if CONFIG_PPC_ADV_DEBUG_IACS > 2
} else if (!slot3_in_use) {
slot = 3;
- child->thread.iac3 = bp_info->addr;
- child->thread.dbcr0 |= DBCR0_IAC3;
+ child->thread.debug.iac3 = bp_info->addr;
+ child->thread.debug.dbcr0 |= DBCR0_IAC3;
} else if (!slot4_in_use) {
slot = 4;
- child->thread.iac4 = bp_info->addr;
- child->thread.dbcr0 |= DBCR0_IAC4;
+ child->thread.debug.iac4 = bp_info->addr;
+ child->thread.debug.dbcr0 |= DBCR0_IAC4;
#endif
} else
return -ENOSPC;
}
out:
- child->thread.dbcr0 |= DBCR0_IDM;
+ child->thread.debug.dbcr0 |= DBCR0_IDM;
child->thread.regs->msr |= MSR_DE;
return slot;
@@ -1159,49 +1159,49 @@ static int del_instruction_bp(struct task_struct *child, int slot)
{
switch (slot) {
case 1:
- if ((child->thread.dbcr0 & DBCR0_IAC1) == 0)
+ if ((child->thread.debug.dbcr0 & DBCR0_IAC1) == 0)
return -ENOENT;
if (dbcr_iac_range(child) & DBCR_IAC12MODE) {
/* address range - clear slots 1 & 2 */
- child->thread.iac2 = 0;
+ child->thread.debug.iac2 = 0;
dbcr_iac_range(child) &= ~DBCR_IAC12MODE;
}
- child->thread.iac1 = 0;
- child->thread.dbcr0 &= ~DBCR0_IAC1;
+ child->thread.debug.iac1 = 0;
+ child->thread.debug.dbcr0 &= ~DBCR0_IAC1;
break;
case 2:
- if ((child->thread.dbcr0 & DBCR0_IAC2) == 0)
+ if ((child->thread.debug.dbcr0 & DBCR0_IAC2) == 0)
return -ENOENT;
if (dbcr_iac_range(child) & DBCR_IAC12MODE)
/* used in a range */
return -EINVAL;
- child->thread.iac2 = 0;
- child->thread.dbcr0 &= ~DBCR0_IAC2;
+ child->thread.debug.iac2 = 0;
+ child->thread.debug.dbcr0 &= ~DBCR0_IAC2;
break;
#if CONFIG_PPC_ADV_DEBUG_IACS > 2
case 3:
- if ((child->thread.dbcr0 & DBCR0_IAC3) == 0)
+ if ((child->thread.debug.dbcr0 & DBCR0_IAC3) == 0)
return -ENOENT;
if (dbcr_iac_range(child) & DBCR_IAC34MODE) {
/* address range - clear slots 3 & 4 */
- child->thread.iac4 = 0;
+ child->thread.debug.iac4 = 0;
dbcr_iac_range(child) &= ~DBCR_IAC34MODE;
}
- child->thread.iac3 = 0;
- child->thread.dbcr0 &= ~DBCR0_IAC3;
+ child->thread.debug.iac3 = 0;
+ child->thread.debug.dbcr0 &= ~DBCR0_IAC3;
break;
case 4:
- if ((child->thread.dbcr0 & DBCR0_IAC4) == 0)
+ if ((child->thread.debug.dbcr0 & DBCR0_IAC4) == 0)
return -ENOENT;
if (dbcr_iac_range(child) & DBCR_IAC34MODE)
/* Used in a range */
return -EINVAL;
- child->thread.iac4 = 0;
- child->thread.dbcr0 &= ~DBCR0_IAC4;
+ child->thread.debug.iac4 = 0;
+ child->thread.debug.dbcr0 &= ~DBCR0_IAC4;
break;
#endif
default:
@@ -1231,18 +1231,18 @@ static int set_dac(struct task_struct *child, struct ppc_hw_breakpoint *bp_info)
dbcr_dac(child) |= DBCR_DAC1R;
if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE)
dbcr_dac(child) |= DBCR_DAC1W;
- child->thread.dac1 = (unsigned long)bp_info->addr;
+ child->thread.debug.dac1 = (unsigned long)bp_info->addr;
#if CONFIG_PPC_ADV_DEBUG_DVCS > 0
if (byte_enable) {
- child->thread.dvc1 =
+ child->thread.debug.dvc1 =
(unsigned long)bp_info->condition_value;
- child->thread.dbcr2 |=
+ child->thread.debug.dbcr2 |=
((byte_enable << DBCR2_DVC1BE_SHIFT) |
(condition_mode << DBCR2_DVC1M_SHIFT));
}
#endif
#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
- } else if (child->thread.dbcr2 & DBCR2_DAC12MODE) {
+ } else if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) {
/* Both dac1 and dac2 are part of a range */
return -ENOSPC;
#endif
@@ -1252,19 +1252,19 @@ static int set_dac(struct task_struct *child, struct ppc_hw_breakpoint *bp_info)
dbcr_dac(child) |= DBCR_DAC2R;
if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE)
dbcr_dac(child) |= DBCR_DAC2W;
- child->thread.dac2 = (unsigned long)bp_info->addr;
+ child->thread.debug.dac2 = (unsigned long)bp_info->addr;
#if CONFIG_PPC_ADV_DEBUG_DVCS > 0
if (byte_enable) {
- child->thread.dvc2 =
+ child->thread.debug.dvc2 =
(unsigned long)bp_info->condition_value;
- child->thread.dbcr2 |=
+ child->thread.debug.dbcr2 |=
((byte_enable << DBCR2_DVC2BE_SHIFT) |
(condition_mode << DBCR2_DVC2M_SHIFT));
}
#endif
} else
return -ENOSPC;
- child->thread.dbcr0 |= DBCR0_IDM;
+ child->thread.debug.dbcr0 |= DBCR0_IDM;
child->thread.regs->msr |= MSR_DE;
return slot + 4;
@@ -1276,32 +1276,32 @@ static int del_dac(struct task_struct *child, int slot)
if ((dbcr_dac(child) & (DBCR_DAC1R | DBCR_DAC1W)) == 0)
return -ENOENT;
- child->thread.dac1 = 0;
+ child->thread.debug.dac1 = 0;
dbcr_dac(child) &= ~(DBCR_DAC1R | DBCR_DAC1W);
#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
- if (child->thread.dbcr2 & DBCR2_DAC12MODE) {
- child->thread.dac2 = 0;
- child->thread.dbcr2 &= ~DBCR2_DAC12MODE;
+ if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) {
+ child->thread.debug.dac2 = 0;
+ child->thread.debug.dbcr2 &= ~DBCR2_DAC12MODE;
}
- child->thread.dbcr2 &= ~(DBCR2_DVC1M | DBCR2_DVC1BE);
+ child->thread.debug.dbcr2 &= ~(DBCR2_DVC1M | DBCR2_DVC1BE);
#endif
#if CONFIG_PPC_ADV_DEBUG_DVCS > 0
- child->thread.dvc1 = 0;
+ child->thread.debug.dvc1 = 0;
#endif
} else if (slot == 2) {
if ((dbcr_dac(child) & (DBCR_DAC2R | DBCR_DAC2W)) == 0)
return -ENOENT;
#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
- if (child->thread.dbcr2 & DBCR2_DAC12MODE)
+ if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE)
/* Part of a range */
return -EINVAL;
- child->thread.dbcr2 &= ~(DBCR2_DVC2M | DBCR2_DVC2BE);
+ child->thread.debug.dbcr2 &= ~(DBCR2_DVC2M | DBCR2_DVC2BE);
#endif
#if CONFIG_PPC_ADV_DEBUG_DVCS > 0
- child->thread.dvc2 = 0;
+ child->thread.debug.dvc2 = 0;
#endif
- child->thread.dac2 = 0;
+ child->thread.debug.dac2 = 0;
dbcr_dac(child) &= ~(DBCR_DAC2R | DBCR_DAC2W);
} else
return -EINVAL;
@@ -1343,22 +1343,22 @@ static int set_dac_range(struct task_struct *child,
return -EIO;
}
- if (child->thread.dbcr0 &
+ if (child->thread.debug.dbcr0 &
(DBCR0_DAC1R | DBCR0_DAC1W | DBCR0_DAC2R | DBCR0_DAC2W))
return -ENOSPC;
if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ)
- child->thread.dbcr0 |= (DBCR0_DAC1R | DBCR0_IDM);
+ child->thread.debug.dbcr0 |= (DBCR0_DAC1R | DBCR0_IDM);
if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE)
- child->thread.dbcr0 |= (DBCR0_DAC1W | DBCR0_IDM);
- child->thread.dac1 = bp_info->addr;
- child->thread.dac2 = bp_info->addr2;
+ child->thread.debug.dbcr0 |= (DBCR0_DAC1W | DBCR0_IDM);
+ child->thread.debug.dac1 = bp_info->addr;
+ child->thread.debug.dac2 = bp_info->addr2;
if (mode == PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE)
- child->thread.dbcr2 |= DBCR2_DAC12M;
+ child->thread.debug.dbcr2 |= DBCR2_DAC12M;
else if (mode == PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE)
- child->thread.dbcr2 |= DBCR2_DAC12MX;
+ child->thread.debug.dbcr2 |= DBCR2_DAC12MX;
else /* PPC_BREAKPOINT_MODE_MASK */
- child->thread.dbcr2 |= DBCR2_DAC12MM;
+ child->thread.debug.dbcr2 |= DBCR2_DAC12MM;
child->thread.regs->msr |= MSR_DE;
return 5;
@@ -1489,9 +1489,9 @@ static long ppc_del_hwdebug(struct task_struct *child, long data)
rc = del_dac(child, (int)data - 4);
if (!rc) {
- if (!DBCR_ACTIVE_EVENTS(child->thread.dbcr0,
- child->thread.dbcr1)) {
- child->thread.dbcr0 &= ~DBCR0_IDM;
+ if (!DBCR_ACTIVE_EVENTS(child->thread.debug.dbcr0,
+ child->thread.debug.dbcr1)) {
+ child->thread.debug.dbcr0 &= ~DBCR0_IDM;
child->thread.regs->msr &= ~MSR_DE;
}
}
@@ -1669,7 +1669,7 @@ long arch_ptrace(struct task_struct *child, long request,
if (addr > 0)
break;
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
- ret = put_user(child->thread.dac1, datalp);
+ ret = put_user(child->thread.debug.dac1, datalp);
#else
dabr_fake = ((child->thread.hw_brk.address & (~HW_BRK_TYPE_DABR)) |
(child->thread.hw_brk.type & HW_BRK_TYPE_DABR));
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 21:18:15 +0000