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| author | Florian Weimer <fweimer@redhat.com> | 2019-11-29 16:37:58 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2019-11-29 16:37:58 +0100 |
| commit | 6029860f6fb465ac35c68c71e3899b9b872b6b26 (patch) | |
| tree | ea9df4b6c0c1d30b02b9f08077498b723466bac6 /sysdeps/arm/dl-machine.h | |
| parent | a331150af65477fc3fa72ab341eed5e0b2daf7f3 (diff) | |
| download | glibc-6029860f6fb465ac35c68c71e3899b9b872b6b26.tar.gz glibc-6029860f6fb465ac35c68c71e3899b9b872b6b26.tar.xz glibc-6029860f6fb465ac35c68c71e3899b9b872b6b26.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/arm/dl-machine.h')
| -rw-r--r-- | sysdeps/arm/dl-machine.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h index eeb3adfff2..27dffc71bf 100644 --- a/sysdeps/arm/dl-machine.h +++ b/sysdeps/arm/dl-machine.h @@ -522,7 +522,8 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc, break; case R_ARM_IRELATIVE: value = map->l_addr + *reloc_addr; - 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; #endif @@ -614,7 +615,8 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, break; case R_ARM_IRELATIVE: value = map->l_addr + reloc->r_addend; - 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; #endif |