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| author | H.J. Lu <hjl.tools@gmail.com> | 2022-05-16 06:17:14 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2022-05-18 13:04:13 -0700 |
| commit | 2d5ec6692f5746ccb11db60976a6481ef8e9d74f (patch) | |
| tree | 93ce3ec2b6d4fb72bcd3bac0432ea1405683c967 /elf | |
| parent | 728894dba4a19578bd803906de184a8dd51ed13c (diff) | |
| download | glibc-2d5ec6692f5746ccb11db60976a6481ef8e9d74f.zip glibc-2d5ec6692f5746ccb11db60976a6481ef8e9d74f.tar.gz glibc-2d5ec6692f5746ccb11db60976a6481ef8e9d74f.tar.bz2 | |
Enable DT_RELR in glibc shared libraries and PIEs automatically
Enable DT_RELR in glibc shared libraries and position independent
executables (PIE) automatically if linker supports -z pack-relative-relocs.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/Makefile | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/elf/Makefile b/elf/Makefile index ce3345e..6f4ea78 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -1342,6 +1342,7 @@ $(objpfx)ld.so: $(objpfx)librtld.os $(ld-map) # if the sanity check below fails. $(LINK.o) -nostdlib -nostartfiles -shared -o $@.new \ $(LDFLAGS-rtld) -Wl,-z,defs $(z-now-$(bind-now)) \ + $(dt-relr-ldflag) \ $(filter-out $(map-file),$^) $(load-map-file) \ -Wl,-soname=$(rtld-installed-name) $(call after-link,$@.new) @@ -1666,6 +1667,7 @@ $(objpfx)nodlopen2.out: $(objpfx)nodlopenmod2.so $(objpfx)filtmod1.so: $(objpfx)filtmod1.os $(objpfx)filtmod2.so $(LINK.o) -shared -o $@ -B$(csu-objpfx) $(LDFLAGS.so) \ + $(dt-relr-ldflag) \ -L$(subst :, -L,$(rpath-link)) \ -Wl,-rpath-link=$(rpath-link) \ $< -Wl,-F,$(objpfx)filtmod2.so @@ -2469,7 +2471,7 @@ $(objpfx)tst-big-note: $(objpfx)tst-big-note-lib.so # artificial, large note in tst-big-note-lib.o and invalidate the # test. $(objpfx)tst-big-note-lib.so: $(objpfx)tst-big-note-lib.o - $(LINK.o) -shared -o $@ $(LDFLAGS.so) $< + $(LINK.o) -shared -o $@ $(LDFLAGS.so) $(dt-relr-ldflag) $< $(objpfx)tst-unwind-ctor: $(objpfx)tst-unwind-ctor-lib.so @@ -2778,6 +2780,7 @@ $(objpfx)tst-ro-dynamic: $(objpfx)tst-ro-dynamic-mod.so $(objpfx)tst-ro-dynamic-mod.so: $(objpfx)tst-ro-dynamic-mod.os \ tst-ro-dynamic-mod.map $(LINK.o) -nostdlib -nostartfiles -shared -o $@ \ + $(dt-relr-ldflag) \ -Wl,--script=tst-ro-dynamic-mod.map \ $(objpfx)tst-ro-dynamic-mod.os |