[PATCH v4 03/13] LoongArch: Add relocations and ELF flags to elf.h and scripts/glibcelf.py

[caiyinyu <caiyinyu@loongson.cn>]

---
 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 0195029188..0f1455c052 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.  */
 
@@ -4065,6 +4066,71 @@ 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 f847b36c55..b7570ae2f3 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):
-- 
2.31.1