libelf: Sync elf.h from glibc
Commit Message
Adds PT_RISCV_ATTRIBUTES, SHT_RISCV_ATTRIBUTES, PT_AARCH64_MEMTAG_MTE,
RELR definitions, LoongArch relocations.
dwelf_elf_e_machine_string was updated to handle EM_LOONGARCH, and
ebl_dynamic_tag_name was updated to handle the new RELR dynamic tags.
Signed-off-by: Andreas Schwab <schwab@suse.de>
---
libdwelf/ChangeLog | 5 ++
libdwelf/dwelf_elf_e_machine_string.c | 2 +
libebl/ChangeLog | 5 ++
libebl/ebldynamictagname.c | 2 +-
libelf/ChangeLog | 4 ++
libelf/elf.h | 99 ++++++++++++++++++++++++++-
6 files changed, 113 insertions(+), 4 deletions(-)
Comments
Hi Andreas,
On Mon, Aug 08, 2022 at 01:44:08PM +0200, Andreas Schwab wrote:
> Adds PT_RISCV_ATTRIBUTES, SHT_RISCV_ATTRIBUTES, PT_AARCH64_MEMTAG_MTE,
> RELR definitions, LoongArch relocations.
>
> dwelf_elf_e_machine_string was updated to handle EM_LOONGARCH, and
> ebl_dynamic_tag_name was updated to handle the new RELR dynamic tags.
Thanks, looks good. Pushed.
Cheers,
Mark
@@ -1,3 +1,8 @@
+2022-08-08 Andreas Schwab <schwab@suse.de>
+
+ * dwelf_elf_e_machine_string.c (dwelf_elf_e_machine_string): Add
+ EM_LOONGARCH LoongArch.
+
2022-03-24 Mark Wielaard <mark@klomp.org>
* dwelf_elf_e_machine_string.c (dwelf_elf_e_machine_string): Add
@@ -398,6 +398,8 @@ dwelf_elf_e_machine_string (int machine)
return "BPF";
case EM_CSKY:
return "C-SKY";
+ case EM_LOONGARCH:
+ return "LoongArch";
case EM_ALPHA:
return "Alpha";
@@ -1,3 +1,8 @@
+2022-08-08 Andreas Schwab <schwab@suse.de>
+
+ * ebldynamictagname.c (ebl_dynamic_tag_name): Handle DT_RELRSZ,
+ DT_RELR, DT_RELRENT.
+
2022-06-01 Ulrich Drepper <drepper@redhat.com>
* eblopenbackend.c (default_machine_flag_name): Add original flag
@@ -54,7 +54,7 @@ ebl_dynamic_tag_name (Ebl *ebl, int64_t tag, char *buf, size_t len)
"RELENT", "PLTREL", "DEBUG", "TEXTREL", "JMPREL", "BIND_NOW",
"INIT_ARRAY", "FINI_ARRAY", "INIT_ARRAYSZ", "FINI_ARRAYSZ",
"RUNPATH", "FLAGS", "ENCODING", "PREINIT_ARRAY",
- "PREINIT_ARRAYSZ", "SYMTAB_SHNDX"
+ "PREINIT_ARRAYSZ", "SYMTAB_SHNDX", "RELRSZ", "RELR", "RELRENT"
};
eu_static_assert (sizeof (stdtags) / sizeof (const char *) == DT_NUM);
@@ -1,3 +1,7 @@
+2022-08-08 Andreas Schwab <schwab@suse.de>
+
+ * elf.h: Update from glibc.
+
2022-04-24 Mark Wielaard <mark@klomp.org>
* elf_update.c (write_file): Check HAVE_MREMAP.
@@ -358,8 +358,9 @@ typedef struct
#define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */
#define EM_CSKY 252 /* C-SKY */
+#define EM_LOONGARCH 258 /* LoongArch */
-#define EM_NUM 253
+#define EM_NUM 259
/* Old spellings/synonyms. */
@@ -443,7 +444,8 @@ typedef struct
#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
#define SHT_GROUP 17 /* Section group */
#define SHT_SYMTAB_SHNDX 18 /* Extended section indices */
-#define SHT_NUM 19 /* Number of defined types. */
+#define SHT_RELR 19 /* RELR relative relocations */
+#define SHT_NUM 20 /* Number of defined types. */
#define SHT_LOOS 0x60000000 /* Start OS-specific. */
#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */
#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */
@@ -662,6 +664,11 @@ typedef struct
Elf64_Sxword r_addend; /* Addend */
} Elf64_Rela;
+/* RELR relocation table entry */
+
+typedef Elf32_Word Elf32_Relr;
+typedef Elf64_Xword Elf64_Relr;
+
/* How to extract and insert information held in the r_info field. */
#define ELF32_R_SYM(val) ((val) >> 8)
@@ -887,7 +894,10 @@ typedef struct
#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
#define DT_SYMTAB_SHNDX 34 /* Address of SYMTAB_SHNDX section */
-#define DT_NUM 35 /* Number used */
+#define DT_RELRSZ 35 /* Total size of RELR relative relocations */
+#define DT_RELR 36 /* Address of RELR relative relocations */
+#define DT_RELRENT 37 /* Size of one RELR relative relocaction */
+#define DT_NUM 38 /* Number used */
#define DT_LOOS 0x6000000d /* Start of OS-specific */
#define DT_HIOS 0x6ffff000 /* End of OS-specific */
#define DT_LOPROC 0x70000000 /* Start of processor-specific */
@@ -2893,6 +2903,9 @@ enum
#define R_AARCH64_TLSDESC 1031 /* TLS Descriptor. */
#define R_AARCH64_IRELATIVE 1032 /* STT_GNU_IFUNC relocation. */
+/* MTE memory tag segment type. */
+#define PT_AARCH64_MEMTAG_MTE (PT_LOPROC + 2)
+
/* AArch64 specific values for the Dyn d_tag field. */
#define DT_AARCH64_BTI_PLT (DT_LOPROC + 1)
#define DT_AARCH64_PAC_PLT (DT_LOPROC + 3)
@@ -3918,6 +3931,8 @@ enum
#define EF_RISCV_FLOAT_ABI_SINGLE 0x0002
#define EF_RISCV_FLOAT_ABI_DOUBLE 0x0004
#define EF_RISCV_FLOAT_ABI_QUAD 0x0006
+#define EF_RISCV_RVE 0x0008
+#define EF_RISCV_TSO 0x0010
/* RISC-V relocations. */
#define R_RISCV_NONE 0
@@ -3978,6 +3993,19 @@ enum
#define R_RISCV_NUM 59
+/* RISC-V specific values for the st_other field. */
+#define STO_RISCV_VARIANT_CC 0x80 /* Function uses variant calling
+ convention */
+
+/* RISC-V specific values for the sh_type field. */
+#define SHT_RISCV_ATTRIBUTES (SHT_LOPROC + 3)
+
+/* RISC-V specific values for the p_type field. */
+#define PT_RISCV_ATTRIBUTES (PT_LOPROC + 3)
+
+/* RISC-V specific values for the d_tag field. */
+#define DT_RISCV_VARIANT_CC (DT_LOPROC + 1)
+
/* BPF specific declarations. */
#define R_BPF_NONE 0 /* No reloc */
@@ -4056,6 +4084,71 @@ enum
#define R_NDS32_TLS_TPOFF 102
#define R_NDS32_TLS_DESC 119
+/* LoongArch ELF Flags */
+#define EF_LARCH_ABI 0x07
+#define EF_LARCH_ABI_LP64D 0x03
+
+/* LoongArch specific dynamic relocations */
+#define R_LARCH_NONE 0
+#define R_LARCH_32 1
+#define R_LARCH_64 2
+#define R_LARCH_RELATIVE 3
+#define R_LARCH_COPY 4
+#define R_LARCH_JUMP_SLOT 5
+#define R_LARCH_TLS_DTPMOD32 6
+#define R_LARCH_TLS_DTPMOD64 7
+#define R_LARCH_TLS_DTPREL32 8
+#define R_LARCH_TLS_DTPREL64 9
+#define R_LARCH_TLS_TPREL32 10
+#define R_LARCH_TLS_TPREL64 11
+#define R_LARCH_IRELATIVE 12
+
+/* Reserved for future relocs that the dynamic linker must understand. */
+
+/* used by the static linker for relocating .text. */
+#define R_LARCH_MARK_LA 20
+#define R_LARCH_MARK_PCREL 21
+#define R_LARCH_SOP_PUSH_PCREL 22
+#define R_LARCH_SOP_PUSH_ABSOLUTE 23
+#define R_LARCH_SOP_PUSH_DUP 24
+#define R_LARCH_SOP_PUSH_GPREL 25
+#define R_LARCH_SOP_PUSH_TLS_TPREL 26
+#define R_LARCH_SOP_PUSH_TLS_GOT 27
+#define R_LARCH_SOP_PUSH_TLS_GD 28
+#define R_LARCH_SOP_PUSH_PLT_PCREL 29
+#define R_LARCH_SOP_ASSERT 30
+#define R_LARCH_SOP_NOT 31
+#define R_LARCH_SOP_SUB 32
+#define R_LARCH_SOP_SL 33
+#define R_LARCH_SOP_SR 34
+#define R_LARCH_SOP_ADD 35
+#define R_LARCH_SOP_AND 36
+#define R_LARCH_SOP_IF_ELSE 37
+#define R_LARCH_SOP_POP_32_S_10_5 38
+#define R_LARCH_SOP_POP_32_U_10_12 39
+#define R_LARCH_SOP_POP_32_S_10_12 40
+#define R_LARCH_SOP_POP_32_S_10_16 41
+#define R_LARCH_SOP_POP_32_S_10_16_S2 42
+#define R_LARCH_SOP_POP_32_S_5_20 43
+#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44
+#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45
+#define R_LARCH_SOP_POP_32_U 46
+
+/* used by the static linker for relocating non .text. */
+#define R_LARCH_ADD8 47
+#define R_LARCH_ADD16 48
+#define R_LARCH_ADD24 49
+#define R_LARCH_ADD32 50
+#define R_LARCH_ADD64 51
+#define R_LARCH_SUB8 52
+#define R_LARCH_SUB16 53
+#define R_LARCH_SUB24 54
+#define R_LARCH_SUB32 55
+#define R_LARCH_SUB64 56
+#define R_LARCH_GNU_VTINHERIT 57
+#define R_LARCH_GNU_VTENTRY 58
+
+
/* ARCompact/ARCv2 specific relocs. */
#define R_ARC_NONE 0x0
#define R_ARC_8 0x1