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author | Jiong Wang <jiong.wang@arm.com> | 2016-11-10 09:25:17 +0000 |
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committer | Jiong Wang <jiong.wang@arm.com> | 2016-11-10 09:25:17 +0000 |
commit | ac33b731d214d79738ca04d27f7464d4482f6a01 (patch) | |
tree | 896ece5b0fd3bab286cc4443c7c9d5187dd020db | |
parent | 9b9720149dfee4a9a961c29d0382fc5bdf9c975b (diff) | |
download | gdb-ac33b731d214d79738ca04d27f7464d4482f6a01.zip gdb-ac33b731d214d79738ca04d27f7464d4482f6a01.tar.gz gdb-ac33b731d214d79738ca04d27f7464d4482f6a01.tar.bz2 |
[AArch64] Bind defined symbol locally in PIE
bfd/
PR target/20737
* elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Bind defined
symbol locally in PIE.
ld/
* testsuite/ld-aarch64/pie-bind-locally-a.s: New test source.
* testsuite/ld-aarch64/pie-bind-locally-b.s: Likewise.
* testsuite/ld-aarch64/pie-bind-locally.d: New testcase.
* testsuite/ld-aarch64/aarch64-elf.exp: Run new testcase.
-rw-r--r-- | bfd/ChangeLog | 6 | ||||
-rw-r--r-- | bfd/elfnn-aarch64.c | 3 | ||||
-rw-r--r-- | ld/ChangeLog | 8 | ||||
-rw-r--r-- | ld/testsuite/ld-aarch64/aarch64-elf.exp | 2 | ||||
-rw-r--r-- | ld/testsuite/ld-aarch64/pie-bind-locally-a.s | 5 | ||||
-rw-r--r-- | ld/testsuite/ld-aarch64/pie-bind-locally-b.s | 6 | ||||
-rw-r--r-- | ld/testsuite/ld-aarch64/pie-bind-locally.d | 9 |
7 files changed, 38 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 9fd5841..9d97c64 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2016-11-10 Jiong Wang <jiong.wang@arm.com> + + PR target/20737 + * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Bind defined + symbol locally in PIE. + 2016-11-08 Pedro Alves <palves@redhat.com> * dwarf2.c (struct funcinfo) <is_linkage>: Type is bfd_boolean, diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index 544a8ea..4ebdbe2 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -5193,7 +5193,8 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, else if (h != NULL && h->dynindx != -1 && (!bfd_link_pic (info) - || !SYMBOLIC_BIND (info, h) + || !(bfd_link_pie (info) + || SYMBOLIC_BIND (info, h)) || !h->def_regular)) outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type); else diff --git a/ld/ChangeLog b/ld/ChangeLog index 9d04123..e1cdb05 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,11 @@ +2016-11-10 Jiong Wang <jiong.wang@arm.com> + + PR target/20737 + * testsuite/ld-aarch64/pie-bind-locally-a.s: New test source. + * testsuite/ld-aarch64/pie-bind-locally-b.s: Likewise. + * testsuite/ld-aarch64/pie-bind-locally.d: New testcase. + * testsuite/ld-aarch64/aarch64-elf.exp: Run new testcase. + 2016-11-07 Nick Clifton <nickc@redhat.com> PR ld/20784 diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp index ab84f01..d4d7f5a 100644 --- a/ld/testsuite/ld-aarch64/aarch64-elf.exp +++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp @@ -287,6 +287,8 @@ run_dump_test "rela-abs-relative" run_dump_test "rela-abs-relative-be" run_dump_test "rela-abs-relative-opt" +run_dump_test "pie-bind-locally" + set aarch64elflinktests { {"ld-aarch64/so with global symbol" "-shared" "" "" {copy-reloc-so.s} {} "copy-reloc-so.so"} diff --git a/ld/testsuite/ld-aarch64/pie-bind-locally-a.s b/ld/testsuite/ld-aarch64/pie-bind-locally-a.s new file mode 100644 index 0000000..f64d48d --- /dev/null +++ b/ld/testsuite/ld-aarch64/pie-bind-locally-a.s @@ -0,0 +1,5 @@ + .text + .align 2 + .global _start +_start: + ldr x0, [x0, #:got_lo12:_start] diff --git a/ld/testsuite/ld-aarch64/pie-bind-locally-b.s b/ld/testsuite/ld-aarch64/pie-bind-locally-b.s new file mode 100644 index 0000000..6083941 --- /dev/null +++ b/ld/testsuite/ld-aarch64/pie-bind-locally-b.s @@ -0,0 +1,6 @@ + .section .data.rel,"aw",%progbits + .align 3 + .type q, %object + .size q, 8 +q: + .xword _start diff --git a/ld/testsuite/ld-aarch64/pie-bind-locally.d b/ld/testsuite/ld-aarch64/pie-bind-locally.d new file mode 100644 index 0000000..3689543 --- /dev/null +++ b/ld/testsuite/ld-aarch64/pie-bind-locally.d @@ -0,0 +1,9 @@ +#source: pie-bind-locally-a.s +#source: pie-bind-locally-b.s +#ld: -pie +#readelf: -Wr + +Relocation section '\.rela\.dyn' at offset .* contains 2 entries: +[ ]+Offset[ ]+Info[ ]+Type[ ]+.* +[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_AARCH64_RELATIVE[ ].* +[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_AARCH64_RELATIVE[ ].* |