More mips reloc support (#18)

Author: EllipticEllipsis

src/obj/elf.rs

@@ -70,6 +70,7 @@ const R_PPC_REL24: u32 = 10;
 const R_PPC_REL14: u32 = 11;
 const R_PPC_EMB_SDA21: u32 = 109;
 
+const R_MIPS_32: u32 = 2;
 const R_MIPS_26: u32 = 4;
 const R_MIPS_HI16: u32 = 5;
 const R_MIPS_LO16: u32 = 6;
@@ -231,6 +232,7 @@ fn relocations_by_section(
                     }
                 },
                 ObjArchitecture::Mips => match kind {
+                    R_MIPS_32 => ObjRelocKind::Mips32,
                     R_MIPS_26 => ObjRelocKind::Mips26,
                     R_MIPS_HI16 => ObjRelocKind::MipsHi16,
                     R_MIPS_LO16 => ObjRelocKind::MipsLo16,
@@ -267,9 +269,11 @@ fn relocations_by_section(
                         section.data[address as usize..address as usize + 4].try_into()?,
                     );
                     match kind {
+                        ObjRelocKind::Absolute => addend * 4,
                         ObjRelocKind::MipsHi16 | ObjRelocKind::MipsLo16 => {
                             (addend & 0x0000FFFF) * 4
                         }
+                        ObjRelocKind::Mips32 => addend * 4,
                         ObjRelocKind::Mips26 => (addend & 0x03FFFFFF) * 4,
                         _ => todo!(),
                     }

src/obj/mod.rs

@@ -133,6 +133,7 @@ pub enum ObjRelocKind {
     // PpcAddr14,
     PpcRel14,
     PpcEmbSda21,
+    Mips32,
     Mips26,
     MipsHi16,
     MipsLo16,

src/views/function_diff.rs

@@ -55,6 +55,7 @@ fn write_reloc(reloc: &ObjReloc, color: Color32, job: &mut LayoutJob) {
         ObjRelocKind::Absolute
         | ObjRelocKind::PpcRel24
         | ObjRelocKind::PpcRel14
+        | ObjRelocKind::Mips32
         | ObjRelocKind::Mips26 => {
             write_reloc_name(reloc, color, job);
         }