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authorDave Martin <Dave.Martin@arm.com>2025-07-01 14:56:14 +0100
committerKees Cook <kees@kernel.org>2025-07-14 22:27:48 -0700
commit40d3a88594b5c1ec8feac4da269cba99b7c428fd (patch)
tree5945f3a1b8c3422e837e34d586a360455e02c7ae
parent3de0414dec7bf4da3e7bcdd155402233e8106229 (diff)
um: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names
Instead of having the core code guess the note name for each regset, use USER_REGSET_NOTE_TYPE() to pick the correct name from elf.h. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Cc: Richard Weinberger <richard@nod.at> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Kees Cook <kees@kernel.org> Cc: Akihiko Odaki <akihiko.odaki@daynix.com> Cc: linux-um@lists.infradead.org Cc: x86@kernel.org Acked-by: Johannes Berg <johannes@sipsolutions.net> Tested-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Link: https://lore.kernel.org/r/20250701135616.29630-22-Dave.Martin@arm.com Signed-off-by: Kees Cook <kees@kernel.org>
-rw-r--r--arch/x86/um/ptrace.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/um/ptrace.c b/arch/x86/um/ptrace.c
index 3275870330fe..c982ab7103f1 100644
--- a/arch/x86/um/ptrace.c
+++ b/arch/x86/um/ptrace.c
@@ -236,7 +236,7 @@ static int generic_fpregs_set(struct task_struct *target,
static struct user_regset uml_regsets[] __ro_after_init = {
[REGSET_GENERAL] = {
- .core_note_type = NT_PRSTATUS,
+ USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = sizeof(struct user_regs_struct) / sizeof(long),
.size = sizeof(long),
.align = sizeof(long),
@@ -246,7 +246,7 @@ static struct user_regset uml_regsets[] __ro_after_init = {
#ifdef CONFIG_X86_32
/* Old FP registers, they are needed in signal frames */
[REGSET_FP_LEGACY] = {
- .core_note_type = NT_PRFPREG,
+ USER_REGSET_NOTE_TYPE(PRFPREG),
.n = sizeof(struct user_i387_ia32_struct) / sizeof(long),
.size = sizeof(long),
.align = sizeof(long),
@@ -257,10 +257,10 @@ static struct user_regset uml_regsets[] __ro_after_init = {
#endif
[REGSET_FP] = {
#ifdef CONFIG_X86_32
- .core_note_type = NT_PRXFPREG,
+ USER_REGSET_NOTE_TYPE(PRXFPREG),
.n = sizeof(struct user32_fxsr_struct) / sizeof(long),
#else
- .core_note_type = NT_PRFPREG,
+ USER_REGSET_NOTE_TYPE(PRFPREG),
.n = sizeof(struct user_i387_struct) / sizeof(long),
#endif
.size = sizeof(long),
@@ -270,7 +270,7 @@ static struct user_regset uml_regsets[] __ro_after_init = {
.set = generic_fpregs_set,
},
[REGSET_XSTATE] = {
- .core_note_type = NT_X86_XSTATE,
+ USER_REGSET_NOTE_TYPE(X86_XSTATE),
.size = sizeof(long),
.align = sizeof(long),
.active = generic_fpregs_active,