readobj: add new relocs introduced by LoongArch psABI v2

crates/examples/src/readobj/elf.rs

@@ -3020,6 +3020,43 @@ static FLAGS_R_LOONGARCH: &[Flag<u32>] = &flags!(
     R_LARCH_SUB64,
     R_LARCH_GNU_VTINHERIT,
     R_LARCH_GNU_VTENTRY,
+    R_LARCH_B16,
+    R_LARCH_B21,
+    R_LARCH_B26,
+    R_LARCH_ABS_HI20,
+    R_LARCH_ABS_LO12,
+    R_LARCH_ABS64_LO20,
+    R_LARCH_ABS64_HI12,
+    R_LARCH_PCALA_HI20,
+    R_LARCH_PCALA_LO12,
+    R_LARCH_PCALA64_LO20,
+    R_LARCH_PCALA64_HI12,
+    R_LARCH_GOT_PC_HI20,
+    R_LARCH_GOT_PC_LO12,
+    R_LARCH_GOT64_PC_LO20,
+    R_LARCH_GOT64_PC_HI12,
+    R_LARCH_GOT_HI20,
+    R_LARCH_GOT_LO12,
+    R_LARCH_GOT64_LO20,
+    R_LARCH_GOT64_HI12,
+    R_LARCH_TLS_LE_HI20,
+    R_LARCH_TLS_LE_LO12,
+    R_LARCH_TLS_LE64_LO20,
+    R_LARCH_TLS_LE64_HI12,
+    R_LARCH_TLS_IE_PC_HI20,
+    R_LARCH_TLS_IE_PC_LO12,
+    R_LARCH_TLS_IE64_PC_LO20,
+    R_LARCH_TLS_IE64_PC_HI12,
+    R_LARCH_TLS_IE_HI20,
+    R_LARCH_TLS_IE_LO12,
+    R_LARCH_TLS_IE64_LO20,
+    R_LARCH_TLS_IE64_HI12,
+    R_LARCH_TLS_LD_PC_HI20,
+    R_LARCH_TLS_LD_HI20,
+    R_LARCH_TLS_GD_PC_HI20,
+    R_LARCH_TLS_GD_HI20,
+    R_LARCH_32_PCREL,
+    R_LARCH_RELAX,
 );
 static FLAGS_NT_CORE: &[Flag<u32>] = &flags!(
     NT_PRSTATUS,

src/common.rs

@@ -343,6 +343,11 @@ pub enum RelocationEncoding {
     ///
     /// The `RelocationKind` must be PC relative.
     AArch64Call,
+
+    /// LoongArch branch offset with two trailing zeros.
+    ///
+    /// The `RelocationKind` must be PC relative.
+    LoongArchBranch,
 }
 
 /// File flags that are specific to each file format.