[binutils-gdb] LoongArch: Add linker relaxation support for R_LARCH_CALL30

[liu zhensong]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=da99165f7140e24be472ca92c34183e72e1090e5

commit da99165f7140e24be472ca92c34183e72e1090e5
Author: mengqinggang <mengqinggang@loongson.cn>
Date:   Tue Sep 9 15:39:38 2025 +0800

    LoongArch: Add linker relaxation support for R_LARCH_CALL30
    
    Relax call30 to bl, relax tail30 to b.

Diff:
---
 bfd/elfnn-loongarch.c     | 7 ++++---
 gas/config/tc-loongarch.c | 3 ++-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c
index 5e5eb237abd..62696b83397 100644
--- a/bfd/elfnn-loongarch.c
+++ b/bfd/elfnn-loongarch.c
@@ -6100,6 +6100,7 @@ loongarch_elf_relax_section (bfd *abfd, asection *sec,
 	      relax_func = loongarch_relax_pcala_ld;
 	      break;
 	    case R_LARCH_CALL36:
+	    case R_LARCH_CALL30:
 	      relax_func = loongarch_relax_call36;
 	      break;
 	    case R_LARCH_TLS_LE_HI20_R:
@@ -6158,7 +6159,7 @@ loongarch_elf_relax_section (bfd *abfd, asection *sec,
 				    + r_symndx;
 
 	  if ((ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
-	       && r_type != R_LARCH_CALL36)
+	       && (r_type != R_LARCH_CALL36 || r_type != R_LARCH_CALL30))
 	      || sym->st_shndx == SHN_ABS)
 	    continue;
 
@@ -6195,7 +6196,7 @@ loongarch_elf_relax_section (bfd *abfd, asection *sec,
 	     is not set yet.  */
 	  if (h != NULL
 	      && ((h->type == STT_GNU_IFUNC
-		   && r_type != R_LARCH_CALL36)
+		   && (r_type != R_LARCH_CALL36 || r_type != R_LARCH_CALL30))
 		  || bfd_is_abs_section (h->root.u.def.section)
 		  || h->start_stop))
 	    continue;
@@ -6223,7 +6224,7 @@ loongarch_elf_relax_section (bfd *abfd, asection *sec,
 	     Undefweak for other relocations handing in the future.  */
 	  else if (h->root.type == bfd_link_hash_undefweak
 		    && !h->root.linker_def
-		    && r_type == R_LARCH_CALL36)
+		    && (r_type == R_LARCH_CALL36 || r_type == R_LARCH_CALL30))
 	    {
 	      sym_sec = sec;
 	      symval = rel->r_offset;
diff --git a/gas/config/tc-loongarch.c b/gas/config/tc-loongarch.c
index a3e6fcb056c..284bbdcc12a 100644
--- a/gas/config/tc-loongarch.c
+++ b/gas/config/tc-loongarch.c
@@ -880,7 +880,8 @@ loongarch_args_parser_can_match_arg_helper (char esc_ch1, char esc_ch2,
 			|| BFD_RELOC_LARCH_TLS_LE_LO12 == reloc_type
 			|| BFD_RELOC_LARCH_TLS_LE64_LO20 == reloc_type
 			|| BFD_RELOC_LARCH_TLS_LE64_HI12 == reloc_type
-			|| BFD_RELOC_LARCH_CALL36 == reloc_type))
+			|| BFD_RELOC_LARCH_CALL36 == reloc_type
+			|| BFD_RELOC_LARCH_CALL30 == reloc_type))
 		{
 		  ip->reloc_info[ip->reloc_num].type = BFD_RELOC_LARCH_RELAX;
 		  ip->reloc_info[ip->reloc_num].value = const_0;