elf.h had a comment saying:
> Notes used in ET_CORE. Architectures export some of the arch register
> sets using the corresponding note types via the PTRACE_GETREGSET and
> PTRACE_SETREGSET requests.
> The note name for these types is "LINUX", except NT_PRFPREG that is
> named "CORE".

However, NT_PRSTATUS is also named "CORE". It is also unclear what
"these types" refers to.

To fix these problems, define a name for each note type. The added
definitions are macros so the kernel and userspace can directly refer to
them.

Signed-off-by: Akihiko Odaki <akihiko.od...@daynix.com>
---
 include/uapi/linux/elf.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 83 insertions(+), 3 deletions(-)

diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index b44069d29cec..014b705b97d7 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -372,8 +372,6 @@ typedef struct elf64_shdr {
  * Notes used in ET_CORE. Architectures export some of the arch register sets
  * using the corresponding note types via the PTRACE_GETREGSET and
  * PTRACE_SETREGSET requests.
- * The note name for these types is "LINUX", except NT_PRFPREG that is named
- * "CORE".
  */
 #define NT_PRSTATUS    1
 #define NT_PRFPREG     2
@@ -460,9 +458,91 @@ typedef struct elf64_shdr {
 #define NT_LOONGARCH_HW_BREAK  0xa05   /* LoongArch hardware breakpoint 
registers */
 #define NT_LOONGARCH_HW_WATCH  0xa06   /* LoongArch hardware watchpoint 
registers */
 
-/* Note types with note name "GNU" */
+/* Note used in ET_EXEC and ET_DYN. */
 #define NT_GNU_PROPERTY_TYPE_0 5
 
+/* Note names */
+#define NN_PRSTATUS    "CORE"
+#define NN_PRFPREG     "CORE"
+#define NN_PRPSINFO    "CORE"
+#define NN_TASKSTRUCT  "CORE"
+#define NN_AUXV        "CORE"
+#define NN_SIGINFO     "CORE"
+#define NN_FILE        "CORE"
+#define NN_PRXFPREG    "LINUX"
+#define NN_PPC_VMX     "LINUX"
+#define NN_PPC_SPE     "LINUX"
+#define NN_PPC_VSX     "LINUX"
+#define NN_PPC_TAR     "LINUX"
+#define NN_PPC_PPR     "LINUX"
+#define NN_PPC_DSCR    "LINUX"
+#define NN_PPC_EBB     "LINUX"
+#define NN_PPC_PMU     "LINUX"
+#define NN_PPC_TM_CGPR "LINUX"
+#define NN_PPC_TM_CFPR "LINUX"
+#define NN_PPC_TM_CVMX "LINUX"
+#define NN_PPC_TM_CVSX "LINUX"
+#define NN_PPC_TM_SPR  "LINUX"
+#define NN_PPC_TM_CTAR "LINUX"
+#define NN_PPC_TM_CPPR "LINUX"
+#define NN_PPC_TM_CDSCR        "LINUX"
+#define NN_PPC_PKEY    "LINUX"
+#define NN_PPC_DEXCR   "LINUX"
+#define NN_PPC_HASHKEYR        "LINUX"
+#define NN_386_TLS     "LINUX"
+#define NN_386_IOPERM  "LINUX"
+#define NN_X86_XSTATE  "LINUX"
+#define NN_X86_SHSTK   "LINUX"
+#define NN_X86_XSAVE_LAYOUT    "LINUX"
+#define NN_S390_HIGH_GPRS      "LINUX"
+#define NN_S390_TIMER  "LINUX"
+#define NN_S390_TODCMP "LINUX"
+#define NN_S390_TODPREG        "LINUX"
+#define NN_S390_CTRS   "LINUX"
+#define NN_S390_PREFIX "LINUX"
+#define NN_S390_LAST_BREAK     "LINUX"
+#define NN_S390_SYSTEM_CALL    "LINUX"
+#define NN_S390_TDB    "LINUX"
+#define NN_S390_VXRS_LOW       "LINUX"
+#define NN_S390_VXRS_HIGH      "LINUX"
+#define NN_S390_GS_CB  "LINUX"
+#define NN_S390_GS_BC  "LINUX"
+#define NN_S390_RI_CB  "LINUX"
+#define NN_S390_PV_CPU_DATA    "LINUX"
+#define NN_ARM_VFP     "LINUX"
+#define NN_ARM_TLS     "LINUX"
+#define NN_ARM_HW_BREAK        "LINUX"
+#define NN_ARM_HW_WATCH        "LINUX"
+#define NN_ARM_SYSTEM_CALL     "LINUX"
+#define NN_ARM_SVE     "LINUX"
+#define NN_ARM_PAC_MASK        "LINUX"
+#define NN_ARM_PACA_KEYS       "LINUX"
+#define NN_ARM_PACG_KEYS       "LINUX"
+#define NN_ARM_TAGGED_ADDR_CTRL        "LINUX"
+#define NN_ARM_PAC_ENABLED_KEYS        "LINUX"
+#define NN_ARM_SSVE    "LINUX"
+#define NN_ARM_ZA      "LINUX"
+#define NN_ARM_ZT      "LINUX"
+#define NN_ARM_FPMR    "LINUX"
+#define NN_ARM_POE     "LINUX"
+#define NN_ARM_GCS     "LINUX"
+#define NN_ARC_V2      "LINUX"
+#define NN_VMCOREDD    "LINUX"
+#define NN_MIPS_DSP    "LINUX"
+#define NN_MIPS_FP_MODE        "LINUX"
+#define NN_MIPS_MSA    "LINUX"
+#define NN_RISCV_CSR   "LINUX"
+#define NN_RISCV_VECTOR        "LINUX"
+#define NN_RISCV_TAGGED_ADDR_CTRL      "LINUX"
+#define NN_LOONGARCH_CPUCFG    "LINUX"
+#define NN_LOONGARCH_CSR       "LINUX"
+#define NN_LOONGARCH_LSX       "LINUX"
+#define NN_LOONGARCH_LASX      "LINUX"
+#define NN_LOONGARCH_LBT       "LINUX"
+#define NN_LOONGARCH_HW_BREAK  "LINUX"
+#define NN_LOONGARCH_HW_WATCH  "LINUX"
+#define NN_GNU_PROPERTY_TYPE_0 "GNU"
+
 /* Note header in a PT_NOTE section */
 typedef struct elf32_note {
   Elf32_Word   n_namesz;       /* Name size */

-- 
2.47.1


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