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| author | H.J. Lu <hjl.tools@gmail.com> | 2016-08-29 08:12:59 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-08-29 08:14:45 -0700 |
| commit | 74437ea28fb611d4c88077b486fd7c0a8b4c2a25 (patch) | |
| tree | 9260072fac164803e6f715c593fe5a7d2e500c2e /ld/testsuite/ld-x86-64/pr19784b.c | |
| parent | 7fac69100a7c1fb52b2e044294a858272bad4e46 (diff) | |
| download | fsf-binutils-gdb-74437ea28fb611d4c88077b486fd7c0a8b4c2a25.zip fsf-binutils-gdb-74437ea28fb611d4c88077b486fd7c0a8b4c2a25.tar.gz fsf-binutils-gdb-74437ea28fb611d4c88077b486fd7c0a8b4c2a25.tar.bz2 | |
i386: Issue an error on non-PIC call to IFUNC in PIC object
On i386, IFUNC function must be called via PLT. Since PLT in PIC
object uses EBX register, R_386_PLT32 relocation must be used to
call IFUNC function even when IFUNC function is defined locally.
Linker should issue an error when R_386_PC32 relocation is used
to call IFUNC function.
Since PR ld/19784 tests doesn't use PLT relocation to local IFUNC
function, they are moved to the x86-64 test directory.
bfd/
PR ld/14961
PR ld/20515
* elf32-i386.c (elf_i386_check_relocs): Issue an error when
R_386_PC32 relocation is used to call IFUNC function in PIC
object.
ld/
PR ld/14961
PR ld/20515
* testsuite/ld-i386/i386.exp: Run pr20515.
* testsuite/ld-i386/pr20515.d: New file.
* testsuite/ld-i386/pr20515.s: Likewise.
* testsuite/ld-ifunc/ifunc-14a.s: Use R_386_PLT32 to call IFUNC
function.
* testsuite/ld-ifunc/ifunc-14c.s: Likewise.
* testsuite/ld-ifunc/ifunc-2-i386.s: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-i386.s: Likewise.
* testsuite/ld-ifunc/ifunc.exp: Move PR ld/19784 tests to ...
* testsuite/ld-x86-64/x86-64.exp: Here.
* testsuite/ld-ifunc/pr19784a.c: Moved to ...
* testsuite/ld-x86-64/pr19784a.c: Here.
* testsuite/ld-ifunc/pr19784b.c: Moved to ...
* testsuite/ld-x86-64/pr19784b.c: Here.
* testsuite/ld-ifunc/pr19784c.c: Moved to ...
* testsuite/ld-x86-64/pr19784c.c: Here.
Diffstat (limited to 'ld/testsuite/ld-x86-64/pr19784b.c')
| -rw-r--r-- | ld/testsuite/ld-x86-64/pr19784b.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/ld/testsuite/ld-x86-64/pr19784b.c b/ld/testsuite/ld-x86-64/pr19784b.c new file mode 100644 index 0000000..8ea7ce2 --- /dev/null +++ b/ld/testsuite/ld-x86-64/pr19784b.c @@ -0,0 +1,11 @@ +int foo (int x) __attribute__ ((ifunc ("resolve_foo"))); + +static int foo_impl(int x) +{ + return x; +} + +void *resolve_foo (void) +{ + return (void *) foo_impl; +} |