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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-11-05 09:01:26 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-11-05 09:01:43 -0800 |
| commit | e60f4d3bdac25f02875afe36b7436bc2dfbbb978 (patch) | |
| tree | f657bb8dd416d712ec6ad3c6506348b85bd4db1c /ld/testsuite/ld-x86-64 | |
| parent | 713f1b445a18af04eafbf8df6f844bed8243963f (diff) | |
| download | gdb-e60f4d3bdac25f02875afe36b7436bc2dfbbb978.zip gdb-e60f4d3bdac25f02875afe36b7436bc2dfbbb978.tar.gz gdb-e60f4d3bdac25f02875afe36b7436bc2dfbbb978.tar.bz2 | |
x86: Disable GOT relaxation with data prefix
Since linker GOT relaxation isn't valid for 16-bit GOT access, we should
disable GOT relaxation with data prefix.
gas/
PR gas/r23854
* config/tc-i386.c (output_disp): Disable GOT relaxation with
data prefix.
* testsuite/gas/i386/mixed-mode-reloc32.d: Updated.
ld/
PR gas/r23854
* testsuite/ld-i386/i386.exp: Run pr23854.
* testsuite/ld-x86-64/x86-64.exp: Likewwise.
* testsuite/ld-i386/pr23854.d: New file.
* testsuite/ld-i386/pr23854.s: Likewwise.
* testsuite/ld-i386/pr23854.d: Likewwise.
* testsuite/ld-x86-64/pr23854.d: Likewwise.
* testsuite/ld-x86-64/pr23854.s: Likewwise.
Diffstat (limited to 'ld/testsuite/ld-x86-64')
| -rw-r--r-- | ld/testsuite/ld-x86-64/pr23854.d | 28 | ||||
| -rw-r--r-- | ld/testsuite/ld-x86-64/pr23854.s | 33 | ||||
| -rw-r--r-- | ld/testsuite/ld-x86-64/x86-64.exp | 1 |
3 files changed, 62 insertions, 0 deletions
diff --git a/ld/testsuite/ld-x86-64/pr23854.d b/ld/testsuite/ld-x86-64/pr23854.d new file mode 100644 index 0000000..95770d3 --- /dev/null +++ b/ld/testsuite/ld-x86-64/pr23854.d @@ -0,0 +1,28 @@ +#as: --64 -mrelax-relocations=yes +#ld: -melf_x86_64 +#objdump: -dw + +.*: +file format .* + +Disassembly of section .text: + +[a-f0-9]+ <_start>: + +[a-f0-9]+: 66 13 05 ([0-9a-f]{2} ){4} * adc 0x[a-f0-9]+\(%rip\),%ax # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 03 1d ([0-9a-f]{2} ){4} * add 0x[a-f0-9]+\(%rip\),%bx # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 23 0d ([0-9a-f]{2} ){4} * and 0x[a-f0-9]+\(%rip\),%cx # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 3b 15 ([0-9a-f]{2} ){4} * cmp 0x[a-f0-9]+\(%rip\),%dx # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 0b 3d ([0-9a-f]{2} ){4} * or 0x[a-f0-9]+\(%rip\),%di # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 1b 35 ([0-9a-f]{2} ){4} * sbb 0x[a-f0-9]+\(%rip\),%si # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 2b 2d ([0-9a-f]{2} ){4} * sub 0x[a-f0-9]+\(%rip\),%bp # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 44 33 05 ([0-9a-f]{2} ){4} * xor 0x[a-f0-9]+\(%rip\),%r8w # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 85 0d ([0-9a-f]{2} ){4} * test %cx,0x[a-f0-9]+\(%rip\) # [a-f0-9]+ <.got> + +[a-f0-9]+: 66 13 05 ([0-9a-f]{2} ){4} * adc 0x[a-f0-9]+\(%rip\),%ax # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 03 1d ([0-9a-f]{2} ){4} * add 0x[a-f0-9]+\(%rip\),%bx # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 23 0d ([0-9a-f]{2} ){4} * and 0x[a-f0-9]+\(%rip\),%cx # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 3b 15 ([0-9a-f]{2} ){4} * cmp 0x[a-f0-9]+\(%rip\),%dx # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 0b 3d ([0-9a-f]{2} ){4} * or 0x[a-f0-9]+\(%rip\),%di # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 1b 35 ([0-9a-f]{2} ){4} * sbb 0x[a-f0-9]+\(%rip\),%si # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 2b 2d ([0-9a-f]{2} ){4} * sub 0x[a-f0-9]+\(%rip\),%bp # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 44 33 05 ([0-9a-f]{2} ){4} * xor 0x[a-f0-9]+\(%rip\),%r8w # [a-f0-9]+ <.got\+0x8> + +[a-f0-9]+: 66 85 0d ([0-9a-f]{2} ){4} * test %cx,0x[a-f0-9]+\(%rip\) # [a-f0-9]+ <.got\+0x8> +#pass diff --git a/ld/testsuite/ld-x86-64/pr23854.s b/ld/testsuite/ld-x86-64/pr23854.s new file mode 100644 index 0000000..b720154 --- /dev/null +++ b/ld/testsuite/ld-x86-64/pr23854.s @@ -0,0 +1,33 @@ + .data + .type bar, @object +bar: + .byte 1 + .size bar, .-bar + .globl foo + .type foo, @object +foo: + .byte 1 + .size foo, .-foo + .text + .globl _start + .type _start, @function +_start: + adcw bar@GOTPCREL(%rip), %ax + addw bar@GOTPCREL(%rip), %bx + andw bar@GOTPCREL(%rip), %cx + cmpw bar@GOTPCREL(%rip), %dx + orw bar@GOTPCREL(%rip), %di + sbbw bar@GOTPCREL(%rip), %si + subw bar@GOTPCREL(%rip), %bp + xorw bar@GOTPCREL(%rip), %r8w + testw %cx, bar@GOTPCREL(%rip) + adcw foo@GOTPCREL(%rip), %ax + addw foo@GOTPCREL(%rip), %bx + andw foo@GOTPCREL(%rip), %cx + cmpw foo@GOTPCREL(%rip), %dx + orw foo@GOTPCREL(%rip), %di + sbbw foo@GOTPCREL(%rip), %si + subw foo@GOTPCREL(%rip), %bp + xorw foo@GOTPCREL(%rip), %r8w + testw %cx, foo@GOTPCREL(%rip) + .size _start, .-_start diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp index db65810..8e5348d 100644 --- a/ld/testsuite/ld-x86-64/x86-64.exp +++ b/ld/testsuite/ld-x86-64/x86-64.exp @@ -421,6 +421,7 @@ run_dump_test "pr23486c" run_dump_test "pr23486c-x32" run_dump_test "pr23486d" run_dump_test "pr23486d-x32" +run_dump_test "pr23854" if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} { return |