[Bug ld/30756] New: ld: -Wl, -z, pack-relative-relocs goes OOM on i586 link

[amajer at suse dot de]

https://sourceware.org/bugzilla/show_bug.cgi?id=30756

            Bug ID: 30756
           Summary: ld: -Wl,-z,pack-relative-relocs goes OOM on i586 link
           Product: binutils
           Version: 2.40
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: amajer at suse dot de
  Target Milestone: ---

while building Firefox for i686 (x86_64 kernel), the process runs out of memory
after trying to allocate more than 4GB. The commandline is below. If I remove
-Wl,-z,pack-relative-relocs option from the command line, the link succeeds and
uses about 1GB of memory.


/var/lib/build/ccache/bin/g++ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
-fstack-protector-strong -fno-sized-deallocation -fno-aligned-new
-fomit-frame-pointer -O2 -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3
-fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables
-fstack-clash-protection -Werror=return-type -g -Os -march=i686 -mtune=generic
-msse2 -g0 -fno-exceptions -fPIC -fno-rtti -ffunction-sections -fdata-sections
-fno-exceptions -fno-math-errno -pthread -pipe -freorder-blocks -O2
-fomit-frame-pointer -funwind-tables  -shared -Wl,-z,defs -Wl,-h,libxul.so -o
libxul.so /home/abuild/rpmbuild/BUILD/obj/toolkit/library/build/libxul_so.list 
 -lpthread -Wl,--no-keep-memory -Wl,--reduce-memory-overheads
-Wl,--no-map-whole-files -Wl,--hash-size=31 -fPIC -Wl,-z,relro,-z,now
-Wl,-z,pack-relative-relocs -Wl,-z,noexecstack -Wl,-z,text -Wl,-z,relro
-Wl,-z,nocopyreloc -Wl,-Bsymbolic-functions -Wl,--build-id=sha1
-fstack-protector-strong
-Wl,-rpath-link,/home/abuild/rpmbuild/BUILD/obj/dist/bin
-Wl,-rpath-link,/usr/lib  ../../../js/src/build/libjs_static.a
/home/abuild/rpmbuild/BUILD/obj/i686-unknown-linux-gnu/release/libgkrust.a
../../../security/sandbox/linux/libmozsandbox.so
../../../config/external/lgpllibs/liblgpllibs.so
../../../config/external/sqlite/libmozsqlite3.so
../../../widget/gtk/mozgtk/libmozgtk.so
../../../widget/gtk/mozwayland/libmozwayland.so
-Wl,--version-script,libxul.so.symbols  -lasound -lrt -lX11 -lXcomposite
-lXdamage -lXext -lXfixes -lXrandr -lXrender -lXtst -lpthread -ldl -lc -lplds4
-lplc4 -lnspr4 -lz -lm -lssl3 -lsmime3 -lnss3 -lnssutil3 -lfreetype
-lfontconfig -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -latk-1.0
-lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0
-ldbus-glib-1 -ldbus-1 -lxcb-shm -lX11-xcb -lxcb -lXcursor -lXi -lproxy

I've reduced the error to "only" the following without external libraries. In
the case the successful link produces a long list of missing symbols but with
-Wl,-z,pack-relative-relocs, it's out of memory

/bin/g++ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-strong
-fno-sized-deallocation -fno-aligned-new -fomit-frame-pointer -O2 -Wall
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -fstack-protector-strong -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type -g
-Os -march=i686 -mtune=generic -msse2 -g0 -fno-exceptions -fPIC -fno-rtti
-ffunction-sections -fdata-sections -fno-exceptions -fno-math-errno -pthread
-pipe -freorder-blocks -O2 -fomit-frame-pointer -funwind-tables  -shared
-Wl,-z,defs -Wl,-h,libxul.so -o libxul.so b/* -Wl,--no-keep-memory
-Wl,--reduce-memory-overheads -Wl,--no-map-whole-files -Wl,--hash-size=31 -fPIC
-Wl,-z,relro,-z,now -Wl,-z,pack-relative-relocs -Wl,-z,noexecstack -Wl,-z,text
-Wl,-z,relro -Wl,-z,nocopyreloc -Wl,-Bsymbolic-functions -Wl,--build-id=sha1
-fstack-protector-strong
-Wl,-rpath-link,/home/abuild/rpmbuild/BUILD/obj/dist/bin
-Wl,-rpath-link,/usr/lib  t/libjs_static.a t/libgkrust.a t/libmozsandbox.so
t/liblgpllibs.so t/libmozsqlite3.so t/libmozgtk.so t/libmozwayland.so
/usr/lib/gcc/i586-suse-linux/13/../../../../i586-suse-linux/bin/ld: can't relax
section: memory exhausted

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