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| author | Rahul Chaudhry <rahulchaudhry@google.com> | 2016-10-21 16:34:06 -0700 |
|---|---|---|
| committer | Rahul Chaudhry <rahulchaudhry@google.com> | 2016-10-21 16:34:06 -0700 |
| commit | b8ff982870858c54e09105458b6955b391cc0a11 (patch) | |
| tree | 4257a2c773e6288a8638f105a4ed21ccc45ff4ec /binutils-2.25/gold/testsuite/pr17704a_test.s | |
| parent | 129dec3ed0e1fc07f75a4322014d770cfd642f4d (diff) | |
| download | toolchain_binutils-b8ff982870858c54e09105458b6955b391cc0a11.tar.gz toolchain_binutils-b8ff982870858c54e09105458b6955b391cc0a11.tar.bz2 toolchain_binutils-b8ff982870858c54e09105458b6955b391cc0a11.zip | |
gold: make icf respect section alignment requirements.
Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=628795
The upstream bug is https://sourceware.org/bugzilla/show_bug.cgi?id=17704
This patch is backported from upstream -
commit ac423761af22f7858a1413cda5df3e1d5e88d4e4
Author: Gergely Nagy <ngg@tresorit.com>
Date: Fri Oct 21 11:08:20 2016 -0700
Fix PR 17704.
This fix keeps the section with the highest alignment when folding sections with ICF.
PR gold/17704
* icf.cc (match_sections): Add new parameter section_addraligns.
Check section alignment and keep the section with the strictest
alignment.
(find_identical_sections): New local variable section_addraligns.
Store each section's alignment.
* testsuite/pr17704a_test.s: New file.
* testsuite/Makefile.am (pr17704a_test): New test.
* testsuite/Makefile.in: Regenerate.
Diffstat (limited to 'binutils-2.25/gold/testsuite/pr17704a_test.s')
| -rw-r--r-- | binutils-2.25/gold/testsuite/pr17704a_test.s | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/binutils-2.25/gold/testsuite/pr17704a_test.s b/binutils-2.25/gold/testsuite/pr17704a_test.s new file mode 100644 index 00000000..2b39e649 --- /dev/null +++ b/binutils-2.25/gold/testsuite/pr17704a_test.s @@ -0,0 +1,23 @@ +nop + .section .text.foo,"axG",@progbits,foo,comdat +foo: + ret + + .section .text.bar,"axG",@progbits,bar,comdat + .align 2 +bar: + ret + + .section .text._start,"ax",@progbits + .globl _start +_start: + leaq bar(%rip), %rsi + testb $1, %sil + je .L9 + mov $1, %eax + mov $1, %ebx + int $0x80 +.L9: + mov $1, %eax + mov $0, %ebx + int $0x80 |