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| author | H.J. Lu <hjl.tools@gmail.com> | 2014-11-18 11:03:09 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2014-11-18 11:04:46 -0800 |
| commit | ab7fede88eddf004994f8769e3c7ac145628f5b4 (patch) | |
| tree | 85688a9f445489647b2750bd597da68327037c7a /ld/testsuite/ld-x86-64 | |
| parent | 439247b656ce3bcfaa00fec7dbce70e65ca17cf5 (diff) | |
| download | gdb-ab7fede88eddf004994f8769e3c7ac145628f5b4.zip gdb-ab7fede88eddf004994f8769e3c7ac145628f5b4.tar.gz gdb-ab7fede88eddf004994f8769e3c7ac145628f5b4.tar.bz2 | |
Check PC-relative offset overflow in PLT entry
This patch checks PC-relative offset overflow in pushq instruction in
x86-64 PLT entry.
bfd/
PR ld/17618
* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Check
PC-relative offset overflow in PLT entry.
ld/testsuite/
PR ld/17618
* ld-x86-64/x86-64.exp: Run pr17618 for Linux target.
* ld-x86-64/pr17618.d: New file.
* ld-x86-64/pr17618.s: Likewise.
Diffstat (limited to 'ld/testsuite/ld-x86-64')
| -rw-r--r-- | ld/testsuite/ld-x86-64/pr17618.d | 4 | ||||
| -rw-r--r-- | ld/testsuite/ld-x86-64/pr17618.s | 18 | ||||
| -rw-r--r-- | ld/testsuite/ld-x86-64/x86-64.exp | 7 |
3 files changed, 29 insertions, 0 deletions
diff --git a/ld/testsuite/ld-x86-64/pr17618.d b/ld/testsuite/ld-x86-64/pr17618.d new file mode 100644 index 0000000..e640b40 --- /dev/null +++ b/ld/testsuite/ld-x86-64/pr17618.d @@ -0,0 +1,4 @@ +#name: PLT PC-relative offset overflow check +#as: --64 +#ld: -shared -melf_x86_64 +#error: .*PC-relative offset overflow in PLT entry for `bar' diff --git a/ld/testsuite/ld-x86-64/pr17618.s b/ld/testsuite/ld-x86-64/pr17618.s new file mode 100644 index 0000000..39102e0 --- /dev/null +++ b/ld/testsuite/ld-x86-64/pr17618.s @@ -0,0 +1,18 @@ + .text + .globl foo + .type foo, @function +foo: + call bar@PLT + .size foo, .-foo + + .globl gap + .type gap, @function +gap: + jmp .L0 + .space 0x40000000, 0x90 +.L0: + jmp .L2 + .space 0x3fdfff14, 0x90 +.L2: + .size gap, .-gap + .section .note.GNU-stack,"",@progbits diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp index a9b68ff..7f09458 100644 --- a/ld/testsuite/ld-x86-64/x86-64.exp +++ b/ld/testsuite/ld-x86-64/x86-64.exp @@ -333,3 +333,10 @@ if { [isnative] && [which $CC] != 0 } { {dummy.s} {{readelf {-s --wide} x86-64-x32.rd}} "x86-64-x32"} } } + +if { ![istarget "x86_64-*-linux*"]} { + return +} + +# Linux only tests +run_dump_test "pr17618" |