Commit 59703133 authored by H.J. Lu's avatar H.J. Lu

Update release note for 2.25.51.0.2

parent 8906bd3f
This is the beta release of binutils 2.25.51.0.1 for Linux, which is
based on binutils 2014 1224 master branch on sourceware.org plus
This is the beta release of binutils 2.25.51.0.2 for Linux, which is
based on binutils 2015 0515 master branch on sourceware.org plus
various changes. It is purely for Linux.
All relevant patches in patches have been applied to the source tree.
......@@ -40,6 +40,28 @@ option, --enable-gold=both/gold to choose gold as the default linker,
ld. IA-32 binary and X64_64 binary tar balls are configured with
--enable-gold=both/ld --enable-plugins --enable-threads.
Starting from the 2.25.51.0.2 release, the x86 assembler will optimize
out relocations against defined non-weak global branch targets with
default visibility by default. This Linux kernel patch is needed to
create a working x86 Linux kernel if it hasn't been applied:
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index ae6588b..b91a00c 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -339,8 +339,8 @@ early_idt_handlers:
i = i + 1
.endr
-/* This is global to keep gas from relaxing the jumps */
-ENTRY(early_idt_handler)
+/* This is weak to keep gas from relaxing the jumps */
+WEAK(early_idt_handler)
cld
cmpl $2,(%rsp) # X86_TRAP_NMI
--
Starting from the 2.18.50.0.4 release, the x86 assembler no longer
accepts
......@@ -120,13 +142,84 @@ endif
to arch/ia64/Makefile in your kernel source tree.
Please report any bugs related to binutils 2.25.51.0.1 to
Please report any bugs related to binutils 2.25.51.0.2 to
hjl.tools@gmail.com
and
http://www.sourceware.org/bugzilla/
Changes from binutils 2.25.51.0.1:
1. Update from binutils 2015 0515.
2. Add support for Intel MCU psABI.
3. Add supporr for AMD znver1 processor.
4. Enable gABI compressed debug section support to as and binutils.
5. Add --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi] support
to ld and gold.
6. Don't create .plt section if not needed.
7. Add branch optimization to x86 assembler.
8. Change x86 assembler to limit multi-byte nop instructions to 10 bytes.
9. Remove .note section for -march= in x86 assembler.
10. Don't change compressed input debug section names. PR binutils/18209.
11. Support copy relocation in PIE for i386. PR ld/18289.
12. Support copy relocation on protected symbols for i386 and x86-64.
PRs ld/15228/17709.
13. Don't remove _init/_fini functions with --gc-sections. PR ld/18223.
14. Don't remove .bss section with --gc-sections. PR ld/17615.
15. Don't create large padding for PT_GNU_RELRO segment. PR ld/18176.
16. Add llvm plugin support to ld. PRs ld/17878/18250.
17. Generate correct sh_info for .rel.plt/.rela.plt sections. PR ld/18169.
18. Fix PIE copy relocations with pointers on x86-64. PR ld/17827.
19. Change ld not to print newlines in INPUT statements. PRs ld/18344.
20. Support both AMD64 and Intel64 in x86-64 assembler and
disassembler. PR binutis/18386.
21. Fix x86 disassembler for rdrand/rdseed. PR binutils/17898.
22. Add -z/--decompress option to readelf.
23. Add --update-section option to objcopy.
24. Properly dump .debug_loc section. PR binutils/18374.
25. Properly dump .debug_str_offsets section. PR binutils/18218.
26. Change readelf -s --wide to issue an error. PR binutils/18101.
27. Change objcopy not to leave temporary directory in case of error.
PR binutils/17636.
28. Avoid gaps between sections and section headers when ld -s is used.
PRs ld/17773/17842.
29. Issue a warning for relocation in readonly section for -z text.
PR ld/17935.
30. Don't complain about -fPIC for undefined symbol. PR ld/17847.
31. Don't ignore undefined references produced by linker plugin.
PRs ld/12365/14272.
32. Removed undefined symbols in static executables. PR ld/4317.
33. Remove useless symbols. PRs ld/17973/17975.
34. Avoid seg fault when input relocation is incompatible with output.
PR ld/18160.
35. Fix more memory access issues. PRs ld/17512/17531.
36. Add Nuxi CloudABI support.
37. Add ft32 support.
38. Add Linux/h8300 support.
39. Improve gold support.
40. Improve COFF support.
41. Improve PE support.
42. Improve aarch64 support.
43. Improve arm support.
44. Improve avr support.
45. Improve m32c support.
46. Improve mep support.
47. Improve microblaze support.
48. Improve mips support.
49. Improve moxie support.
50. Improve msp430 support.
51. Improve nds32 support.
52. Improve pdp11 support.
53. Improve ppc support.
54. Improve rl78 support.
55. Improve rx support.
56. Improve s390 support.
57. Improve sh support.
58. Improve sh64 support.
59. Improve v850 support.
60. Improve xtensa support.
Changes from binutils 2.24.51.0.4:
1. Update from binutils 2014 1224.
......@@ -1002,7 +1095,7 @@ already been defined. PR 12001.
16. Improve ppc support.
17. Improve tic6x support.
It is available as hjl/linux/release/2.25.51.0.1 tag at
It is available as users/hjl/linux/release/2.25.51.0.2 tag at
https://sourceware.org/git/?p=binutils-gdb.git;a=summary
......@@ -1011,4 +1104,4 @@ Thanks.
H.J. Lu
hjl.tools@gmail.com
12/24/2014
05/18/2015
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