Have info_to_howto functions return a success/fail status. Check this result. Stop strip from completeing if one of these functions fails.

bfd	PR 22875
	* elf-bfd.h (struct elf_backend_data): Change the return type of
	the elf_info_to_howto and elf_info_to_howto_rel function pointers
	to bfd_boolean.
	* elfcode.h (elf_slurp_reloc_table_from_section): Check the return value from the info_to_howto function and fail if that function failed.
	* elf32-h8300.c (elf32_h8_relocate_section): Check return value from the info_to_howto function.
	(elf32_h8_relax_section): Likewise.
	* elf32-lm32.c (lm32_elf_relocate_section): Likewise.
	* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Likewise.
	* elf32-score.c (s3_bfd_score_elf_relocate_section): Likewise.
	* elf32-score7.c (s7_bfd_score_elf_relocate_section): Likewise.
	* elf32-tic6x.c (elf32_tic6x_relocate_section): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_relocate_section): Likewise.
	* elf64-sparc.c (elf64_sparc_slurp_one_reloc_table): Likewise.
	* elf64-x86-64.c (elf_x86_64_tls_transition): Likewise.
	* elfnn-ia64.c (elfNN_ia64_relocate_section): Likewise.
	* elfnn-riscv.c (riscv_elf_check_relocs): Likewise.
	(riscv_elf_relocate_section): Likewise.
	* elf-hppa.h (elf_hppa_info_to_howto): Change return type to
	bfd_boolean.  Issue an error message, set an error value and
	return FALSE if the reloc is not recognized.
	(elf_hppa_info_to_howto_rel): Likewise.
	* elf-m10200.c (mn10200_info_to_howto): Likewise.
	* elf-m10300.c (mn10300_info_to_howto): Likewise.
	* elf.c (_bfd_elf_no_info_to_howto): Likewise.
	* elf32-arc.c (arc_info_to_howto_rel): Likewise.
	* elf32-arm.c (elf32_arm_info_to_howto): Likewise.
	* elf32-avr.c (avr_info_to_howto_rela): Likewise.
	* elf32-bfin.c (bfin_info_to_howto): Likewise.
	* elf32-cr16.c (elf_cr16_info_to_howto): Likewise.
	* elf32-cr16c.c (elf_cr16c_info_to_howto): Likewise.
	* elf32-cris.c (elf_cr16c_info_to_howto_rel, cris_info_to_howto_rela): Likewise.
	* elf32-crx.c (elf_crx_info_to_howto): Likewise.
	* elf32-d10v.c (d10v_info_to_howto_rel): Likewise.
	* elf32-d30v.c (d30v_info_to_howto_rel, d30v_info_to_howto_rela): Likewise.
	* elf32-dlx.c (dlx_rtype_to_howto, elf32_dlx_info_to_howto, elf32_dlx_info_to_howto_rel): Likewise.
	* elf32-epiphany.c (epiphany_info_to_howto_rela): Likewise.
	* elf32-fr30.c (fr30_info_to_howto_rela): Likewise.
	* elf32-frv.c (frv_info_to_howto_rela, 	frvfdpic_info_to_howto_rel): Likewise.
	* elf32-ft32.c (ft32_info_to_howto_rela): Likewise.
	* elf32-gen.c (elf_generic_info_to_howto, elf_generic_info_to_howto_rel): Likewise.
	* elf32-h8300.c (elf32_h8_info_to_howto, elf32_h8_info_to_howto_rel): Likewise.
	* elf32-i370.c (i370_elf_info_to_howto): Likewise.
	* elf32-i386.c (elf_i386_reloc_type_lookup, elf_i386_rtype_to_howto, elf_i386_info_to_howto_rel): Likewise.
	* elf32-i860.c (lookup_howto, elf32_i860_info_to_howto_rela): Likewise.
	* elf32-i960.c (elf32_i960_info_to_howto_rel): Likewise.
	* elf32-ip2k.c (ip2k_info_to_howto_rela): Likewise.
	* elf32-iq2000.c (iq2000_info_to_howto_rela): Likewise.
	* elf32-lm32.c (lm32_info_to_howto_rela): Likewise.
	* elf32-m32c.c (m32c_info_to_howto_rela): Likewise.
	* elf32-m32r.c (m32r_info_to_howto_rel, m32r_info_to_howto): Likewise.
	* elf32-m68hc11.c (m68hc11_info_to_howto_rel): Likewise.
	* elf32-m68hc12.c (m68hc11_info_to_howto_rel): Likewise.
	* elf32-m68k.c (rtype_to_howto): Likewise.
	* elf32-mcore.c (mcore_elf_info_to_howto): Likewise.
	* elf32-mep.c (mep_info_to_howto_rela): Likewise.
	* elf32-metag.c (metag_info_to_howto_rela): Likewise.
	* elf32-microblaze.c (microblaze_elf_info_to_howto): Likewise.
	* elf32-mips.c (mips_info_to_howto_rel, mips_info_to_howto_rela): Likewise.
	* elf32-moxie.c (moxie_info_to_howto_rela): Likewise.
	* elf32-msp430.c (msp430_info_to_howto_rela): Likewise.
	* elf32-mt.c (mt_info_to_howto_rela): Likewise.
	* elf32-nds32.c (nds32_info_to_howto_rel, nds32_info_to_howto): Likewise.
	* elf32-nios2.c (nios2_elf32_info_to_howto): Likewise.
	* elf32-or1k.c (or1k_info_to_howto_rela): Likewise.
	* elf32-pj.c (pj_elf_info_to_howto): Likewise.
	* elf32-ppc.c (ppc_elf_info_to_howto): Likewise.
	* elf32-pru.c (pru_elf32_info_to_howto): Likewise.
	* elf32-rl78.c (rl78_info_to_howto_rela): Likewise.
	* elf32-rx.c (rx_info_to_howto_rela): Likewise.
	* elf32-s390.c (elf_s390_info_to_howto): Likewise.
	* elf32-score.c (s3_bfd_score_info_to_howto, _bfd_score_info_to_howto): Likewise.
	* elf32-score7.c (s7_bfd_score_info_to_howto): Likewise.
	* elf32-sh.c (sh_elf_info_to_howto): Likewise.
	* elf32-spu.c (spu_elf_info_to_howto): Likewise.
	* elf32-tic6x.c (elf32_tic6x_info_to_howto, elf32_tic6x_info_to_howto_rel): Likewise.
	* elf32-tilepro.c (tilepro_info_to_howto_rela): Likewise.
	* elf32-v850.c (v850_elf_info_to_howto_rel, v850_elf_info_to_howto_rela, v800_elf_info_to_howto): Likewise.
	* elf32-vax.c (rtype_to_howto): Likewise.
	* elf32-visium.c (visium_info_to_howto_rela): Likewise.
	* elf32-wasm32.c (elf32_wasm32_rtype_to_howto, elf32_wasm32_info_to_howto_rela): Likewise.
	* elf32-xc16x.c (elf32_xc16x_info_to_howto): Likewise.
	* elf32-xgate.c (xgate_info_to_howto_rel): Likewise.
	* elf32-xstormy16.c (xstormy16_info_to_howto_rela): Likewise.
	* elf32-xtensa.c (elf_xtensa_info_to_howto_rela): Likewise.
	* elf64-alpha.c (elf64_alpha_info_to_howto): Likewise.
	* elf64-gen.c (elf_generic_info_to_howto, elf_generic_info_to_howto_rel): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_info_to_howto): Likewise.
	* elf64-mips.c (mips_elf64_info_to_howto_rela): Likewise.
	* elf64-mmix.c (mmix_info_to_howto_rela): Likewise.
	* elf64-ppc.c (ppc64_elf_info_to_howto): Likewise.
	* elf64-s390.c (elf_s390_reloc_type_lookup): Likewise.
	* elf64-sh64.c (elf_s390_info_to_howto, sh_elf64_info_to_howto): Likewise.
	* elf64-x86-64.c (elf_x86_64_info_to_howto): Likewise.
	* elfn32-mips.c (mips_info_to_howto_rel, mips_info_to_howto_rela): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_info_to_howto): Likewise.
	* elfnn-ia64.c (elfNN_ia64_info_to_howto): Likewise.
	* elfnn-riscv.c (riscv_info_to_howto_rela): Likewise.
	* elfxx-ia64.c (ia64_elf_reloc_type_lookup): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_info_to_howto): Likewise.
	* elfxx-tilegx.c (tilegx_info_to_howto_rela): Likewise.
	* elf32-score.h (s7_bfd_score_info_to_howto): Update prototype.
	* elfxx-sparc.h (_bfd_sparc_elf_info_to_howto): Update prototype.
	* elfxx-tilegx.h (tilegx_info_to_howto_rela): Update prototype.
	* elfxx-target.h (elf_info_to_howto, elf_info_to_howto_rel): Default to NULL.

binutils PR 22875
	* objcopy.c (copy_object): Check the error status after marking symbols used in relocations.
	* testsuite/binutils-all/strip-13.s: New test source file.
	* testsuite/binutils-all/strip-13.s: New test driver file.
	* testsuite/binutils-all/objcopy.exp: Run the new test.

1 files changed, 20 insertions, 16 deletions

diff --git a/bfd/elf32-h8300.c b/bfd/elf32-h8300.c
index 0412424..a41ae63 100644
--- a/bfd/elf32-h8300.c
+++ b/bfd/elf32-h8300.c
@@ -26,9 +26,9 @@
 
 static reloc_howto_type *elf32_h8_reloc_type_lookup
   (bfd *abfd, bfd_reloc_code_real_type code);
-static void elf32_h8_info_to_howto
+static bfd_boolean elf32_h8_info_to_howto
   (bfd *, arelent *, Elf_Internal_Rela *);
-static void elf32_h8_info_to_howto_rel
+static bfd_boolean elf32_h8_info_to_howto_rel
   (bfd *, arelent *, Elf_Internal_Rela *);
 static unsigned long elf32_h8_mach (flagword);
 static void elf32_h8_final_write_processing (bfd *, bfd_boolean);
@@ -284,7 +284,7 @@ elf32_h8_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
   return NULL;
 }
 
-static void
+static bfd_boolean
 elf32_h8_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
 			Elf_Internal_Rela *elf_reloc)
 {
@@ -296,20 +296,20 @@ elf32_h8_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
     if (h8_elf_howto_table[i].type == r)
       {
 	bfd_reloc->howto = &h8_elf_howto_table[i];
-	return;
+	return TRUE;
       }
-  abort ();
+  /* xgettext:c-format */
+  _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, r);
+  bfd_set_error (bfd_error_bad_value);
+  return FALSE;
 }
 
-static void
-elf32_h8_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc,
+static bfd_boolean
+elf32_h8_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
+			    arelent *bfd_reloc ATTRIBUTE_UNUSED,
 			    Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
 {
-  unsigned int r;
-
-  abort ();
-  r = ELF32_R_TYPE (elf_reloc->r_info);
-  bfd_reloc->howto = &h8_elf_howto_table[r];
+  return FALSE;
 }
 
 /* Special handling for H8/300 relocs.
@@ -453,7 +453,8 @@ elf32_h8_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
       arelent bfd_reloc;
       reloc_howto_type *howto;
 
-      elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel);
+      if (! elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel))
+	continue;
       howto = bfd_reloc.howto;
 
       r_symndx = ELF32_R_SYM (rel->r_info);
@@ -733,7 +734,8 @@ elf32_h8_relax_section (bfd *abfd, asection *sec,
       {
 	arelent bfd_reloc;
 
-	elf32_h8_info_to_howto (abfd, &bfd_reloc, irel);
+	if (! elf32_h8_info_to_howto (abfd, &bfd_reloc, irel))
+	  continue;
       }
       /* Keep track of the previous reloc so that we can delete
 	 some long jumps created by the compiler.  */
@@ -1249,7 +1251,8 @@ elf32_h8_relax_section (bfd *abfd, asection *sec,
 			reloc_howto_type *h;
 			bfd_vma last_reloc_size;
 
-			elf32_h8_info_to_howto (abfd, &bfd_reloc, last_reloc);
+			if (! elf32_h8_info_to_howto (abfd, &bfd_reloc, last_reloc))
+			  break;
 			h = bfd_reloc.howto;
 			last_reloc_size = 1 << h->size;
 			if (last_reloc->r_offset + last_reloc_size
@@ -1267,7 +1270,8 @@ elf32_h8_relax_section (bfd *abfd, asection *sec,
 			reloc_howto_type *h;
 			bfd_vma next_reloc_size;
 
-			elf32_h8_info_to_howto (abfd, &bfd_reloc, next_reloc);
+			if (! elf32_h8_info_to_howto (abfd, &bfd_reloc, next_reloc))
+			  break;
 			h = bfd_reloc.howto;
 			next_reloc_size = 1 << h->size;
 			if (next_reloc->r_offset + next_reloc_size