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authorH.J. Lu <hjl.tools@gmail.com>2020-06-04 05:58:34 -0700
committerH.J. Lu <hjl.tools@gmail.com>2020-06-04 05:58:47 -0700
commitc4b126b87a6cd842e567136b07ac1adca98c660f (patch)
treed2fc43aad5eabf1e5389b8136c98d2042ec52225 /bfd/elf32-m32r.c
parent1cf67587a0980e5fee20cad75f2c1fe01af6e808 (diff)
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ELF: Don't check relocations in non-loaded, non-alloced sections
Don't do anything special with non-loaded, non-alloced sections. In particular, any relocs in such sections should not affect GOT and PLT reference counting (ie. we don't allow them to create GOT or PLT entries), there's no possibility or desire to optimize TLS relocs, and there's not much point in propagating relocs to shared libs that the dynamic linker won't relocate. Since check_relocs is no longer called on non-loaded, non-alloced sections, remove SEC_ALLOC check. Resolve relocation in debug section against symbol defined in shared library to 0. bfd/ PR ld/26080 * elf-m10300.c (mn10300_elf_relocate_section): Resolve relocation in debug section against symbol defined in shared library to 0. * elf32-i386.c (elf_i386_check_relocs): Remove SEC_ALLOC check. * elf32-lm32.c (lm32_elf_check_relocs): Likewise. * elf32-m32r.c (m32r_elf_check_relocs): Likewise. * elf32-nds32.c (nds32_elf_check_relocs): Likewise. * elf32-nios2.c (nios2_elf32_check_relocs): Likewise. * elf32-or1k.c (or1k_elf_check_relocs): Likewise. * elf32-ppc.c (ppc_elf_check_relocs): Likewise. * elf32-sh.c (sh_elf_check_relocs): Likewise. * elf32-xtensa.c (elf_xtensa_check_relocs): Likewise. * elf64-alpha.c (elf64_alpha_check_relocs): Likewise. * elf64-ppc.c (ppc64_elf_check_relocs): Likewise. * elf64-x86-64.c (elf_x86_64_check_relocs): Likewise. * elfxx-mips.c (_bfd_mips_elf_check_relocs): Likewise. * elf32-vax.c (elf_vax_check_relocs): Set non_got_ref for non-GOT reference. (elf_vax_adjust_dynamic_symbol): Generate a copy reloc only if there is non-GOT reference. * elflink.c (_bfd_elf_link_check_relocs): Skip non-loaded, non-alloced sections. ld/ PR ld/26080 * testsuite/ld-elf/comm-data.exp: Remove copy_reloc. * testsuite/ld-elf/comm-data2r.rd: Removed. * testsuite/ld-elf/comm-data2r.sd: Likewise. * testsuite/ld-elf/comm-data2r.xd: Likewise.
Diffstat (limited to 'bfd/elf32-m32r.c')
-rw-r--r--bfd/elf32-m32r.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index 931e138..740be93 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -3424,15 +3424,6 @@ m32r_elf_check_relocs (bfd *abfd,
if (bfd_link_relocatable (info))
return TRUE;
- /* Don't do anything special with non-loaded, non-alloced sections.
- In particular, any relocs in such sections should not affect GOT
- and PLT reference counting (ie. we don't allow them to create GOT
- or PLT entries), there's no possibility or desire to optimize TLS
- relocs, and there's not much point in propagating relocs to shared
- libs that the dynamic linker won't relocate. */
- if ((sec->flags & SEC_ALLOC) == 0)
- return TRUE;
-
sreloc = NULL;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (abfd);