[llvm][LoongArch] Add reloc types for LA32R/LA32S

lld/test/ELF/loongarch-relax-align.s

@@ -1,7 +1,7 @@
 # REQUIRES: loongarch
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+relax %s -o %t.32.o
-# RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax %s -o %t.64.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+32s,+relax %s -o %t.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+32s,+relax %s -o %t.64.o
 # RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 %t.32.o -o %t.32
 # RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 %t.64.o -o %t.64
 # RUN: ld.lld --section-start=.text=0x10000 --section-start=.text2=0x20000 -e 0 --no-relax %t.32.o -o %t.32n

lld/test/ELF/loongarch-relax-emit-relocs.s

@@ -1,7 +1,7 @@
 # REQUIRES: loongarch
 ## Test that we can handle --emit-relocs while relaxing.
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+relax %s -o %t.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+32s,+relax %s -o %t.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax --defsym ELF64=1 %s -o %t.64.o
 # RUN: ld.lld -Ttext=0x10000 -section-start=.got=0x20000 --emit-relocs %t.32.o -o %t.32
 # RUN: ld.lld -Ttext=0x10000 -section-start=.got=0x20000 --emit-relocs %t.64.o -o %t.64

lld/test/ELF/loongarch-relax-pc-hi20-lo12-got-symbols.s

@@ -4,9 +4,9 @@
 # REQUIRES: loongarch
 # RUN: rm -rf %t && split-file %s %t && cd %t
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+relax symbols.s -o symbols.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s,+relax symbols.s -o symbols.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 -mattr=+relax symbols.s -o symbols.64.o
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+relax abs.s -o abs.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s,+relax abs.s -o abs.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 -mattr=+relax abs.s -o abs.64.o
 
 # RUN: ld.lld --shared -Tlinker.t symbols.32.o abs.32.o -o symbols.32.so

lld/test/ELF/loongarch-relax-pc-hi20-lo12.s

@@ -1,7 +1,7 @@
 # REQUIRES: loongarch
 # RUN: rm -rf %t && split-file %s %t && cd %t
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+relax a.s -o a.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s,+relax a.s -o a.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 -mattr=+relax a.s -o a.64.o
 
 # RUN: ld.lld --section-start=.text=0x10000 --section-start=.data=0x14000 a.32.o -o a.32
@@ -54,7 +54,7 @@
 
 
 ## GOT references with non-zero addends. No relaxation.
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+relax nonzero.s -o nonzero.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s,+relax nonzero.s -o nonzero.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 -mattr=+relax nonzero.s -o nonzero.64.o
 # RUN: ld.lld --section-start=.text=0x10000 --section-start=.data=0x14000 nonzero.32.o -o nonzero.32
 # RUN: ld.lld --section-start=.text=0x10000 --section-start=.data=0x14000 nonzero.64.o -o nonzero.64

lld/test/ELF/loongarch-relocatable-align.s

@@ -57,8 +57,8 @@
 # CHECK-REL:  Relocation section '.rela.text1' at offset {{.*}} contains 5 entries:
 
 ## Test LA32.
-# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+relax a.s -o a.32.o
-# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+relax b.s -o b.32.o
+# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+32s,+relax a.s -o a.32.o
+# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+32s,+relax b.s -o b.32.o
 # RUN: ld.lld -r a.32.o b.32.o -o out.32.ro
 # RUN: ld.lld -Ttext=0x10000 out.32.ro -o out32
 # RUN: llvm-objdump -dr --no-show-raw-insn out32 | FileCheck %s --check-prefix=CHECK32

lld/test/ELF/loongarch-tls-gd-edge-case.s

@@ -3,7 +3,7 @@
 ## Edge case: when a TLS symbol is being accessed in both GD and IE manners,
 ## correct reloc behavior should be preserved for both kinds of accesses.
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 %s -o %t.la32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+32s %s -o %t.la32.o
 # RUN: ld.lld %t.la32.o -shared -o %t.la32
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %s -o %t.la64.o
 # RUN: ld.lld %t.la64.o -shared -o %t.la64

lld/test/ELF/loongarch-tls-gd.s

@@ -5,11 +5,11 @@
 ## (a) code sequence can be converted from `pcalau12i+addi.[wd]` to `pcaddi`.
 ## (b) dynamic relocations can be omitted for GD->LE relaxation.
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/a.s -o %t/a.32.o
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+relax %t/a.s -o %t/a.32.relax.o
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/bc.s -o %t/bc.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s %t/a.s -o %t/a.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s,+relax %t/a.s -o %t/a.32.relax.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s %t/bc.s -o %t/bc.32.o
 # RUN: ld.lld -shared -soname=bc.so %t/bc.32.o -o %t/bc.32.so
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/tga.s -o %t/tga.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s %t/tga.s -o %t/tga.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/a.s -o %t/a.64.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/a.s -mattr=+relax -o %t/a.64.relax.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/bc.s -o %t/bc.64.o

lld/test/ELF/loongarch-tls-ie.s

@@ -1,7 +1,7 @@
 # REQUIRES: loongarch
 # RUN: rm -rf %t && split-file %s %t
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/32.s -o %t/32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 --mattr=+32s %t/32.s -o %t/32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/64.s -o %t/64.o
 
 ## LA32 IE

lld/test/ELF/loongarch-tls-ld.s

@@ -5,9 +5,9 @@
 ## (a) code sequence can be converted from `pcalau12i+addi.[wd]` to `pcaddi`.
 ## (b) dynamic relocations can be omitted for LD->LE relaxation.
 
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 --position-independent %t/a.s -o %t/a.32.o
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 --position-independent -mattr=+relax %t/a.s -o %t/a.32.relax.o
-# RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/tga.s -o %t/tga.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 --position-independent -mattr=+32s %t/a.s -o %t/a.32.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 --position-independent -mattr=+32s,+relax %t/a.s -o %t/a.32.relax.o
+# RUN: llvm-mc --filetype=obj --triple=loongarch32 -mattr=+32s %t/tga.s -o %t/tga.32.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --position-independent %t/a.s -o %t/a.64.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --position-independent -mattr=+relax %t/a.s -o %t/a.64.relax.o
 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/tga.s -o %t/tga.64.o

lld/test/ELF/loongarch-tlsdesc.s

@@ -3,8 +3,8 @@
 # RUN: llvm-mc -filetype=obj -triple=loongarch64 a.s -o a.64.o
 # RUN: llvm-mc -filetype=obj -triple=loongarch64 c.s -o c.64.o
 # RUN: ld.lld -shared -soname=c.64.so c.64.o -o c.64.so
-# RUN: llvm-mc -filetype=obj -triple=loongarch32 --defsym ELF32=1 a.s -o a.32.o
-# RUN: llvm-mc -filetype=obj -triple=loongarch32 --defsym ELF32=1 c.s -o c.32.o
+# RUN: llvm-mc -filetype=obj -triple=loongarch32 --mattr=+32s --defsym ELF32=1 a.s -o a.32.o
+# RUN: llvm-mc -filetype=obj -triple=loongarch32 --mattr=+32s --defsym ELF32=1 c.s -o c.32.o
 # RUN: ld.lld -shared -soname=c.32.so c.32.o -o c.32.so
 
 # RUN: ld.lld -shared -z now a.64.o c.64.o -o a.64.so

llvm/include/llvm/BinaryFormat/ELFRelocs/LoongArch.def

@@ -149,3 +149,16 @@ ELF_RELOC(R_LARCH_TLS_LE_LO12_R,       123)
 ELF_RELOC(R_LARCH_TLS_LD_PCREL20_S2,   124)
 ELF_RELOC(R_LARCH_TLS_GD_PCREL20_S2,   125)
 ELF_RELOC(R_LARCH_TLS_DESC_PCREL20_S2, 126)
+
+// Relocs added in ELF for the LoongArch™ Architecture v2025????, part of the
+// v2.40 LoongArch ABI specs.
+//
+// Spec addition: https://github.com/loongson/la-abi-specs/pull/16
+ELF_RELOC(R_LARCH_CALL30, 127)
+ELF_RELOC(R_LARCH_PCADD_HI20, 128)
+ELF_RELOC(R_LARCH_GOT_PCADD_HI20, 129)
+ELF_RELOC(R_LARCH_TLS_IE_PCADD_HI20, 130)
+ELF_RELOC(R_LARCH_TLS_LD_PCADD_HI20, 131)
+ELF_RELOC(R_LARCH_TLS_GD_PCADD_HI20, 132)
+ELF_RELOC(R_LARCH_TLS_DESC_PCADD_HI20, 133)
+ELF_RELOC(R_LARCH_PCADD_LO12, 134)