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2011-07-05 Doug Kwan <[email protected]>
PR gold/12771
* arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
Arm_Address type for relocation result.
(Arm_relocate_functions::abs16): Use unaligned access. Also fix
overflow check.
(Arm_relocate_functions::abs32): Use unaligned access.
(Arm_relocate_functions::rel32): Ditto.
(Arm_relocate_functions::prel31): Ditto.
(Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
* testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
static data relocations.
* testsuite/Makefile.in: Regnerate.
* testsuite/arm_unaligned_reloc.{s,sh}: New files.- Loading branch information
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,19 @@ | ||
| 2011-07-05 Doug Kwan <[email protected]> | ||
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| PR gold/12771 | ||
| * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and | ||
| Arm_Address type for relocation result. | ||
| (Arm_relocate_functions::abs16): Use unaligned access. Also fix | ||
| overflow check. | ||
| (Arm_relocate_functions::abs32): Use unaligned access. | ||
| (Arm_relocate_functions::rel32): Ditto. | ||
| (Arm_relocate_functions::prel31): Ditto. | ||
| (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto. | ||
| * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned | ||
| static data relocations. | ||
| * testsuite/Makefile.in: Regnerate. | ||
| * testsuite/arm_unaligned_reloc.{s,sh}: New files. | ||
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| 2011-07-05 Ian Lance Taylor <[email protected]> | ||
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| PR gold/12392 | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,44 @@ | ||
| .syntax unified | ||
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| .global _start | ||
| .type _start, %function | ||
| .text | ||
| _start: | ||
| bx lr | ||
| .size _start,.-_start | ||
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| .section .data.0,"aw",%progbits | ||
| .align 12 | ||
| .type x, %object | ||
| .size x, 4 | ||
| x: | ||
| .word 1 | ||
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| .section .data.1,"aw",%progbits | ||
| .align 2 | ||
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| # This causes following relocations to be unaligned. | ||
| .global padding | ||
| .type padding, %object | ||
| .size padding, 1 | ||
| padding: | ||
| .byte 0 | ||
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| .global abs32 | ||
| .type abs32, %object | ||
| .size abs32, 4 | ||
| abs32: | ||
| .word x | ||
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| .global rel32 | ||
| .type rel32, %object | ||
| .size rel32, 4 | ||
| rel32: | ||
| .word x - . | ||
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| .global abs16 | ||
| .type abs16, %object | ||
| .size abs16, 2 | ||
| abs16: | ||
| .short x | ||
| .short 0 |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,50 @@ | ||
| #!/bin/sh | ||
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| # arm_unaligned_reloc.sh -- test ARM unaligned static data relocations. | ||
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| # Copyright 2011 Free Software Foundation, Inc. | ||
| # Written by Doug Kwan <[email protected]> | ||
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| # This file is part of gold. | ||
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| # This program is free software; you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation; either version 3 of the License, or | ||
| # (at your option) any later version. | ||
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| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
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| # You should have received a copy of the GNU General Public License | ||
| # along with this program; if not, write to the Free Software | ||
| # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | ||
| # MA 02110-1301, USA. | ||
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| # This file goes with the assembler source file arm_unaligned_reloc.s, | ||
| # that is assembled and linked as a dummy executable. We want to check | ||
| # it is okay to do unaligned static data relocations. | ||
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| check() | ||
| { | ||
| if ! grep -q -e "$2" "$1" | ||
| then | ||
| echo "Did not find pattern \"$2\" in $1:" | ||
| echo " $2" | ||
| echo "" | ||
| echo "Actual disassembly below:" | ||
| cat "$1" | ||
| exit 1 | ||
| fi | ||
| } | ||
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| check arm_unaligned_reloc.stdout "^00009000 <x>:$" | ||
| check arm_unaligned_reloc.stdout "^0000a001 <abs32>:$" | ||
| check arm_unaligned_reloc.stdout "^ a001: 00009000 .*$" | ||
| check arm_unaligned_reloc.stdout "^0000a005 <rel32>:" | ||
| check arm_unaligned_reloc.stdout "^ a005: ffffeffb .*$" | ||
| check arm_unaligned_reloc.stdout "^0000a009 <abs16>:" | ||
| check arm_unaligned_reloc.stdout "^ a009: 00009000 .*$" | ||
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| exit 0 |