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riscv: ptrace: Use USER_REGSET_NOTE_TYPE() to specify regset note names

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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: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Akihiko Odaki <akihiko.odaki@daynix.com>
Cc: linux-riscv@lists.infradead.org
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Link: https://lore.kernel.org/r/20250701135616.29630-17-Dave.Martin@arm.com
Signed-off-by: Kees Cook <kees@kernel.org>
This commit is contained in:
Dave Martin 2025-07-01 14:56:09 +01:00 committed by Kees Cook
parent 307035acef
commit c9502cc7be
1 changed files with 6 additions and 6 deletions
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12
arch/riscv/kernel/ptrace.c
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@ -186,7 +186,7 @@ static int tagged_addr_ctrl_set(struct task_struct *target,
static const struct user_regset riscv_user_regset[] = {
[REGSET_X] = {
.core_note_type = NT_PRSTATUS,
USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = ELF_NGREG,
.size = sizeof(elf_greg_t),
.align = sizeof(elf_greg_t),
@ -195,7 +195,7 @@ static const struct user_regset riscv_user_regset[] = {
},
#ifdef CONFIG_FPU
[REGSET_F] = {
.core_note_type = NT_PRFPREG,
USER_REGSET_NOTE_TYPE(PRFPREG),
.n = ELF_NFPREG,
.size = sizeof(elf_fpreg_t),
.align = sizeof(elf_fpreg_t),
@ -205,7 +205,7 @@ static const struct user_regset riscv_user_regset[] = {
#endif
#ifdef CONFIG_RISCV_ISA_V
[REGSET_V] = {
.core_note_type = NT_RISCV_VECTOR,
USER_REGSET_NOTE_TYPE(RISCV_VECTOR),
.align = 16,
.n = ((32 * RISCV_MAX_VLENB) +
sizeof(struct __riscv_v_regset_state)) / sizeof(__u32),
@ -216,7 +216,7 @@ static const struct user_regset riscv_user_regset[] = {
#endif
#ifdef CONFIG_RISCV_ISA_SUPM
[REGSET_TAGGED_ADDR_CTRL] = {
.core_note_type = NT_RISCV_TAGGED_ADDR_CTRL,
USER_REGSET_NOTE_TYPE(RISCV_TAGGED_ADDR_CTRL),
.n = 1,
.size = sizeof(long),
.align = sizeof(long),
@ -380,7 +380,7 @@ static int compat_riscv_gpr_set(struct task_struct *target,
static const struct user_regset compat_riscv_user_regset[] = {
[REGSET_X] = {
.core_note_type = NT_PRSTATUS,
USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = ELF_NGREG,
.size = sizeof(compat_elf_greg_t),
.align = sizeof(compat_elf_greg_t),
@ -389,7 +389,7 @@ static const struct user_regset compat_riscv_user_regset[] = {
},
#ifdef CONFIG_FPU
[REGSET_F] = {
.core_note_type = NT_PRFPREG,
USER_REGSET_NOTE_TYPE(PRFPREG),
.n = ELF_NFPREG,
.size = sizeof(elf_fpreg_t),
.align = sizeof(elf_fpreg_t),