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author | Florian Weimer <fweimer@redhat.com> | 2019-11-29 16:37:58 +0100 |
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committer | Florian Weimer <fweimer@redhat.com> | 2019-11-29 16:37:58 +0100 |
commit | 6029860f6fb465ac35c68c71e3899b9b872b6b26 (patch) | |
tree | ea9df4b6c0c1d30b02b9f08077498b723466bac6 /sysdeps/sparc/sparc32/dl-machine.h | |
parent | a331150af65477fc3fa72ab341eed5e0b2daf7f3 (diff) | |
download | glibc-fw/bug24214.tar.gz glibc-fw/bug24214.tar.xz glibc-fw/bug24214.zip |
elf: Do not run IFUNC resolvers for LD_DEBUG=unused [BZ #24214] fw/bug24214
This commit adds missing skip_ifunc checks to aarch64, arm, i386, sparc, and x86_64. A new test case ensures that IRELATIVE IFUNC resolvers do not run in various diagnostic modes of the dynamic loader. Tested on x86_64-linux-gnu, i686-linux-gnu, aarch64-linux-gnu, s390-linux-gnu, s390x-linux-gnu, powerpc64le-linux-gnu. Built with build-many-glibcs.py.
Diffstat (limited to 'sysdeps/sparc/sparc32/dl-machine.h')
-rw-r--r-- | sysdeps/sparc/sparc32/dl-machine.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h index 1d8da32c47..359a004271 100644 --- a/sysdeps/sparc/sparc32/dl-machine.h +++ b/sysdeps/sparc/sparc32/dl-machine.h @@ -425,11 +425,13 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, *reloc_addr = value; break; case R_SPARC_IRELATIVE: - value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap)); + if (__glibc_likely (!skip_ifunc)) + value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap)); *reloc_addr = value; break; case R_SPARC_JMP_IREL: - value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap)); + if (__glibc_likely (!skip_ifunc)) + value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap)); /* Fall thru */ case R_SPARC_JMP_SLOT: { |