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authorFaraz Shahbazker <fshahbazker@wavecomp.com>2019-05-18 01:19:04 -0700
committerFaraz Shahbazker <fshahbazker@wavecomp.com>2019-05-21 11:55:08 -0700
commitb474a2022dc14fea0dd8ea4cc66b813486132075 (patch)
tree0fe5db1c7c9c7dbe2899109aec52a5f63d624539 /bfd
parent304f09d0d4b519f143144d213e1280a0691de8ba (diff)
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MIPS/LD: Reject tprel_hi and tprel_lo relocations in shared library
bfd/ * elfxx-mips.c (_bfd_mips_elf_check_relocs): Generate error for TLS_TPREL_HI16(/LO16) relocations in shared library. ld/ * testsuite/ld-mips-elf/pic-reloc-5.s: Add tests for %tprel_hi and %tprel_lo relocations. * testsuite/ld-mips-elf/pic-reloc-6.s: Likewise. * testsuite/ld-mips-elf/pic-reloc-5.d: Update accordingly. * testsuite/ld-mips-elf/pic-reloc-6.d: Likewise. * testsuite/ld-mips-elf/pic-reloc-tls.ld: New test linker script file.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/elfxx-mips.c12
2 files changed, 17 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 4335227..320e06a 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,10 @@
2019-05-21 Faraz Shahbazker <fshahbazker@wavecomp.com>
+ * elfxx-mips.c (_bfd_mips_elf_check_relocs): Generate error
+ for TLS_TPREL_HI16(/LO16) relocations in shared library.
+
+2019-05-21 Faraz Shahbazker <fshahbazker@wavecomp.com>
+
* elfxx-mips.c (_bfd_mips_elf_check_relocs): Add NULL pointer
checks. Search the RELA table for n64 relocations.
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 28e95bc..c64f90c 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -9102,6 +9102,18 @@ _bfd_mips_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
{
switch (r_type)
{
+ case R_MIPS_TLS_TPREL_HI16:
+ case R_MIPS16_TLS_TPREL_HI16:
+ case R_MICROMIPS_TLS_TPREL_HI16:
+ case R_MIPS_TLS_TPREL_LO16:
+ case R_MIPS16_TLS_TPREL_LO16:
+ case R_MICROMIPS_TLS_TPREL_LO16:
+ /* These are okay in PIE, but not in a shared library. */
+ if (bfd_link_executable (info))
+ break;
+
+ /* FALLTHROUGH */
+
case R_MIPS16_HI16:
case R_MIPS_HI16:
case R_MIPS_HIGHER: