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Diffstat (limited to 'arch/s390/kernel/ptrace.c')
-rw-r--r--arch/s390/kernel/ptrace.c75
1 files changed, 21 insertions, 54 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 34b8d9e745df..494216c4b4f3 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -1209,7 +1209,7 @@ static int s390_runtime_instr_set(struct task_struct *target,
static const struct user_regset s390_regsets[] = {
{
- .core_note_type = NT_PRSTATUS,
+ USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = sizeof(s390_regs) / sizeof(long),
.size = sizeof(long),
.align = sizeof(long),
@@ -1217,7 +1217,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_regs_set,
},
{
- .core_note_type = NT_PRFPREG,
+ USER_REGSET_NOTE_TYPE(PRFPREG),
.n = sizeof(s390_fp_regs) / sizeof(long),
.size = sizeof(long),
.align = sizeof(long),
@@ -1225,7 +1225,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_fpregs_set,
},
{
- .core_note_type = NT_S390_SYSTEM_CALL,
+ USER_REGSET_NOTE_TYPE(S390_SYSTEM_CALL),
.n = 1,
.size = sizeof(unsigned int),
.align = sizeof(unsigned int),
@@ -1233,7 +1233,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_system_call_set,
},
{
- .core_note_type = NT_S390_LAST_BREAK,
+ USER_REGSET_NOTE_TYPE(S390_LAST_BREAK),
.n = 1,
.size = sizeof(long),
.align = sizeof(long),
@@ -1241,7 +1241,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_last_break_set,
},
{
- .core_note_type = NT_S390_TDB,
+ USER_REGSET_NOTE_TYPE(S390_TDB),
.n = 1,
.size = 256,
.align = 1,
@@ -1249,7 +1249,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_tdb_set,
},
{
- .core_note_type = NT_S390_VXRS_LOW,
+ USER_REGSET_NOTE_TYPE(S390_VXRS_LOW),
.n = __NUM_VXRS_LOW,
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1257,7 +1257,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_vxrs_low_set,
},
{
- .core_note_type = NT_S390_VXRS_HIGH,
+ USER_REGSET_NOTE_TYPE(S390_VXRS_HIGH),
.n = __NUM_VXRS_HIGH,
.size = sizeof(__vector128),
.align = sizeof(__vector128),
@@ -1265,7 +1265,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_vxrs_high_set,
},
{
- .core_note_type = NT_S390_GS_CB,
+ USER_REGSET_NOTE_TYPE(S390_GS_CB),
.n = sizeof(struct gs_cb) / sizeof(__u64),
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1273,7 +1273,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_gs_cb_set,
},
{
- .core_note_type = NT_S390_GS_BC,
+ USER_REGSET_NOTE_TYPE(S390_GS_BC),
.n = sizeof(struct gs_cb) / sizeof(__u64),
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1281,7 +1281,7 @@ static const struct user_regset s390_regsets[] = {
.set = s390_gs_bc_set,
},
{
- .core_note_type = NT_S390_RI_CB,
+ USER_REGSET_NOTE_TYPE(S390_RI_CB),
.n = sizeof(struct runtime_instr_cb) / sizeof(__u64),
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1413,7 +1413,7 @@ static int s390_compat_last_break_set(struct task_struct *target,
static const struct user_regset s390_compat_regsets[] = {
{
- .core_note_type = NT_PRSTATUS,
+ USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = sizeof(s390_compat_regs) / sizeof(compat_long_t),
.size = sizeof(compat_long_t),
.align = sizeof(compat_long_t),
@@ -1421,7 +1421,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_compat_regs_set,
},
{
- .core_note_type = NT_PRFPREG,
+ USER_REGSET_NOTE_TYPE(PRFPREG),
.n = sizeof(s390_fp_regs) / sizeof(compat_long_t),
.size = sizeof(compat_long_t),
.align = sizeof(compat_long_t),
@@ -1429,7 +1429,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_fpregs_set,
},
{
- .core_note_type = NT_S390_SYSTEM_CALL,
+ USER_REGSET_NOTE_TYPE(S390_SYSTEM_CALL),
.n = 1,
.size = sizeof(compat_uint_t),
.align = sizeof(compat_uint_t),
@@ -1437,7 +1437,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_system_call_set,
},
{
- .core_note_type = NT_S390_LAST_BREAK,
+ USER_REGSET_NOTE_TYPE(S390_LAST_BREAK),
.n = 1,
.size = sizeof(long),
.align = sizeof(long),
@@ -1445,7 +1445,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_compat_last_break_set,
},
{
- .core_note_type = NT_S390_TDB,
+ USER_REGSET_NOTE_TYPE(S390_TDB),
.n = 1,
.size = 256,
.align = 1,
@@ -1453,7 +1453,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_tdb_set,
},
{
- .core_note_type = NT_S390_VXRS_LOW,
+ USER_REGSET_NOTE_TYPE(S390_VXRS_LOW),
.n = __NUM_VXRS_LOW,
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1461,7 +1461,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_vxrs_low_set,
},
{
- .core_note_type = NT_S390_VXRS_HIGH,
+ USER_REGSET_NOTE_TYPE(S390_VXRS_HIGH),
.n = __NUM_VXRS_HIGH,
.size = sizeof(__vector128),
.align = sizeof(__vector128),
@@ -1469,7 +1469,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_vxrs_high_set,
},
{
- .core_note_type = NT_S390_HIGH_GPRS,
+ USER_REGSET_NOTE_TYPE(S390_HIGH_GPRS),
.n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t),
.size = sizeof(compat_long_t),
.align = sizeof(compat_long_t),
@@ -1477,7 +1477,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_compat_regs_high_set,
},
{
- .core_note_type = NT_S390_GS_CB,
+ USER_REGSET_NOTE_TYPE(S390_GS_CB),
.n = sizeof(struct gs_cb) / sizeof(__u64),
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1485,7 +1485,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_gs_cb_set,
},
{
- .core_note_type = NT_S390_GS_BC,
+ USER_REGSET_NOTE_TYPE(S390_GS_BC),
.n = sizeof(struct gs_cb) / sizeof(__u64),
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1493,7 +1493,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_gs_bc_set,
},
{
- .core_note_type = NT_S390_RI_CB,
+ USER_REGSET_NOTE_TYPE(S390_RI_CB),
.n = sizeof(struct runtime_instr_cb) / sizeof(__u64),
.size = sizeof(__u64),
.align = sizeof(__u64),
@@ -1524,13 +1524,6 @@ static const char *gpr_names[NUM_GPRS] = {
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
};
-unsigned long regs_get_register(struct pt_regs *regs, unsigned int offset)
-{
- if (offset >= NUM_GPRS)
- return 0;
- return regs->gprs[offset];
-}
-
int regs_query_register_offset(const char *name)
{
unsigned long offset;
@@ -1550,29 +1543,3 @@ const char *regs_query_register_name(unsigned int offset)
return NULL;
return gpr_names[offset];
}
-
-static int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr)
-{
- unsigned long ksp = kernel_stack_pointer(regs);
-
- return (addr & ~(THREAD_SIZE - 1)) == (ksp & ~(THREAD_SIZE - 1));
-}
-
-/**
- * regs_get_kernel_stack_nth() - get Nth entry of the stack
- * @regs:pt_regs which contains kernel stack pointer.
- * @n:stack entry number.
- *
- * regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which
- * is specifined by @regs. If the @n th entry is NOT in the kernel stack,
- * this returns 0.
- */
-unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n)
-{
- unsigned long addr;
-
- addr = kernel_stack_pointer(regs) + n * sizeof(long);
- if (!regs_within_kernel_stack(regs, addr))
- return 0;
- return READ_ONCE_NOCHECK(addr);
-}
generated by cgit (git 2.34.1) at 2025-08-05 16:04:14 +0000