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* [glibc] LoongArch: Add relocations and ELF flags to elf.h and scripts/glibcelf.py
@ 2022-07-26 18:53 Adhemerval Zanella
0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2022-07-26 18:53 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d83247d90c9f0bfee7f3f2505bc1b13b6f36c04
commit 2d83247d90c9f0bfee7f3f2505bc1b13b6f36c04
Author: caiyinyu <caiyinyu@loongson.cn>
Date: Tue Jul 19 09:20:45 2022 +0800
LoongArch: Add relocations and ELF flags to elf.h and scripts/glibcelf.py
Diff:
---
elf/elf.h | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
scripts/glibcelf.py | 3 ++-
2 files changed, 69 insertions(+), 2 deletions(-)
diff --git a/elf/elf.h b/elf/elf.h
index 2b5c2c5fb6..02a1b3f52f 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -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. */
@@ -4083,6 +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
diff --git a/scripts/glibcelf.py b/scripts/glibcelf.py
index 47f95d07ba..de0509130e 100644
--- a/scripts/glibcelf.py
+++ b/scripts/glibcelf.py
@@ -252,7 +252,8 @@ class Machine(_OpenIntEnum):
EM_RISCV = 243
EM_BPF = 247
EM_CSKY = 252
- EM_NUM = 253
+ EM_LOONGARCH = 258
+ EM_NUM = 259
EM_ALPHA = 0x9026
class Et(_OpenIntEnum):
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2022-07-26 18:53 [glibc] LoongArch: Add relocations and ELF flags to elf.h and scripts/glibcelf.py Adhemerval Zanella
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