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MIPS: 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: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Akihiko Odaki <akihiko.odaki@daynix.com>
Cc: linux-mips@vger.kernel.org
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Link: https://lore.kernel.org/r/20250701135616.29630-12-Dave.Martin@arm.com
Signed-off-by: Kees Cook <kees@kernel.org>
This commit is contained in:
Dave Martin
2025-07-01 14:56:04 +01:00
committed by Kees Cook
parent e572168e8d
commit 18bd88faa2
1 changed files with 10 additions and 10 deletions
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20
arch/mips/kernel/ptrace.c
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@@ -935,7 +935,7 @@ int regs_query_register_offset(const char *name)
static const struct user_regset mips_regsets[] = {
[REGSET_GPR] = {
.core_note_type = NT_PRSTATUS,
USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = ELF_NGREG,
.size = sizeof(unsigned int),
.align = sizeof(unsigned int),
@@ -943,7 +943,7 @@ static const struct user_regset mips_regsets[] = {
.set = gpr32_set,
},
[REGSET_DSP] = {
.core_note_type = NT_MIPS_DSP,
USER_REGSET_NOTE_TYPE(MIPS_DSP),
.n = NUM_DSP_REGS + 1,
.size = sizeof(u32),
.align = sizeof(u32),
@@ -953,7 +953,7 @@ static const struct user_regset mips_regsets[] = {
},
#ifdef CONFIG_MIPS_FP_SUPPORT
[REGSET_FPR] = {
.core_note_type = NT_PRFPREG,
USER_REGSET_NOTE_TYPE(PRFPREG),
.n = ELF_NFPREG,
.size = sizeof(elf_fpreg_t),
.align = sizeof(elf_fpreg_t),
@@ -961,7 +961,7 @@ static const struct user_regset mips_regsets[] = {
.set = fpr_set,
},
[REGSET_FP_MODE] = {
.core_note_type = NT_MIPS_FP_MODE,
USER_REGSET_NOTE_TYPE(MIPS_FP_MODE),
.n = 1,
.size = sizeof(int),
.align = sizeof(int),
@@ -971,7 +971,7 @@ static const struct user_regset mips_regsets[] = {
#endif
#ifdef CONFIG_CPU_HAS_MSA
[REGSET_MSA] = {
.core_note_type = NT_MIPS_MSA,
USER_REGSET_NOTE_TYPE(MIPS_MSA),
.n = NUM_FPU_REGS + 1,
.size = 16,
.align = 16,
@@ -995,7 +995,7 @@ static const struct user_regset_view user_mips_view = {
static const struct user_regset mips64_regsets[] = {
[REGSET_GPR] = {
.core_note_type = NT_PRSTATUS,
USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = ELF_NGREG,
.size = sizeof(unsigned long),
.align = sizeof(unsigned long),
@@ -1003,7 +1003,7 @@ static const struct user_regset mips64_regsets[] = {
.set = gpr64_set,
},
[REGSET_DSP] = {
.core_note_type = NT_MIPS_DSP,
USER_REGSET_NOTE_TYPE(MIPS_DSP),
.n = NUM_DSP_REGS + 1,
.size = sizeof(u64),
.align = sizeof(u64),
@@ -1013,7 +1013,7 @@ static const struct user_regset mips64_regsets[] = {
},
#ifdef CONFIG_MIPS_FP_SUPPORT
[REGSET_FP_MODE] = {
.core_note_type = NT_MIPS_FP_MODE,
USER_REGSET_NOTE_TYPE(MIPS_FP_MODE),
.n = 1,
.size = sizeof(int),
.align = sizeof(int),
@@ -1021,7 +1021,7 @@ static const struct user_regset mips64_regsets[] = {
.set = fp_mode_set,
},
[REGSET_FPR] = {
.core_note_type = NT_PRFPREG,
USER_REGSET_NOTE_TYPE(PRFPREG),
.n = ELF_NFPREG,
.size = sizeof(elf_fpreg_t),
.align = sizeof(elf_fpreg_t),
@@ -1031,7 +1031,7 @@ static const struct user_regset mips64_regsets[] = {
#endif
#ifdef CONFIG_CPU_HAS_MSA
[REGSET_MSA] = {
.core_note_type = NT_MIPS_MSA,
USER_REGSET_NOTE_TYPE(MIPS_MSA),
.n = NUM_FPU_REGS + 1,
.size = 16,
.align = 16,