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@@ -1,257 +0,0 @@
-This is the beta release of binutils 2.21.51.0.6 for Linux, which is
-based on binutils 2011 0118 in CVS on sourceware.org plus various
-changes. It is purely for Linux.
-
-All relevant patches in patches have been applied to the source tree.
-You can take a look at patches/README to see what have been applied and
-in what order they have been applied.
-
-Starting from the 2.21.51.0.3 release, you must remove .ctors/.dtors
-section sentinels when building glibc or other C run-time libraries.
-Otherwise, you will run into:
-
-http://sourceware.org/bugzilla/show_bug.cgi?id=12343
-
-Starting from the 2.21.51.0.2 release, BFD linker has the working LTO
-plugin support. It can be used with GCC 4.5 and above. For GCC 4.5, you
-need to configure GCC with --enable-gold to enable LTO plugin support.
-
-Starting from the 2.21.51.0.2 release, binutils fully supports compressed
-debug sections. However, compressed debug section isn't turned on by
-default in assembler. I am planning to turn it on for x86 assembler in
-the future release, which may lead to the Linux kernel bug messages like
-
-WARNING: lib/ts_kmp.o (.zdebug_aranges): unexpected non-allocatable section.
-
-But the resulting kernel works fine.
-
-Starting from the 2.20.51.0.4 release, no diffs against the previous
-release will be provided.
-
-You can enable both gold and bfd ld with --enable-gold=both. Gold will
-be installed as ld.gold and bfd ld will be installed as ld.bfd. By
-default, ld.bfd will be installed as ld. You can use the configure
-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 2.18.50.0.4 release, the x86 assembler no longer
-accepts
-
- fnstsw %eax
-
-fnstsw stores 16bit into %ax and the upper 16bit of %eax is unchanged.
-Please use
-
- fnstsw %ax
-
-Starting from the 2.17.50.0.4 release, the default output section LMA
-(load memory address) has changed for allocatable sections from being
-equal to VMA (virtual memory address), to keeping the difference between
-LMA and VMA the same as the previous output section in the same region.
-
-For
-
-.data.init_task : { *(.data.init_task) }
-
-LMA of .data.init_task section is equal to its VMA with the old linker.
-With the new linker, it depends on the previous output section. You
-can use
-
-.data.init_task : AT (ADDR(.data.init_task)) { *(.data.init_task) }
-
-to ensure that LMA of .data.init_task section is always equal to its
-VMA. The linker script in the older 2.6 x86-64 kernel depends on the
-old behavior. You can add AT (ADDR(section)) to force LMA of
-.data.init_task section equal to its VMA. It will work with both old
-and new linkers. The x86-64 kernel linker script in kernel 2.6.13 and
-above is OK.
-
-The new x86_64 assembler no longer accepts
-
- monitor %eax,%ecx,%edx
-
-You should use
-
- monitor %rax,%ecx,%edx
-
-or
- monitor
-
-which works with both old and new x86_64 assemblers. They should
-generate the same opcode.
-
-The new i386/x86_64 assemblers no longer accept instructions for moving
-between a segment register and a 32bit memory location, i.e.,
-
- movl (%eax),%ds
- movl %ds,(%eax)
-
-To generate instructions for moving between a segment register and a
-16bit memory location without the 16bit operand size prefix, 0x66,
-
- mov (%eax),%ds
- mov %ds,(%eax)
-
-should be used. It will work with both new and old assemblers. The
-assembler starting from 2.16.90.0.1 will also support
-
- movw (%eax),%ds
- movw %ds,(%eax)
-
-without the 0x66 prefix. Patches for 2.4 and 2.6 Linux kernels are
-available at
-
-http://www.kernel.org/pub/linux/devel/binutils/linux-2.4-seg-4.patch
-http://www.kernel.org/pub/linux/devel/binutils/linux-2.6-seg-5.patch
-
-The ia64 assembler is now defaulted to tune for Itanium 2 processors.
-To build a kernel for Itanium 1 processors, you will need to add
-
-ifeq ($(CONFIG_ITANIUM),y)
- CFLAGS += -Wa,-mtune=itanium1
- AFLAGS += -Wa,-mtune=itanium1
-endif
-
-to arch/ia64/Makefile in your kernel source tree.
-
-Please report any bugs related to binutils 2.21.51.0.6 to
-hjl.tools@gmail.com
-
-and
-
-http://www.sourceware.org/bugzilla/
-
-Changes from binutils 2.21.51.0.5:
-
-1. Update from binutils 2011 0118.
-2. Fix x32 (ILP32) support. Renamed assembler option to --x32. It
-can create working static and dynamic x32 executables.
-3. Add BMI and TBM new instruction support.
-4. Fix x86 disassembler to properly display sign-extended byte.
-5. Improve IFUNC linker support. PRs 12366/12371.
-6. Fix readelf bug on archive. PR 12408.
-7. Fix a assembler when compressing empty debug sections. PR 12409.
-8. Fix a warning symbol linker bug. PR 12339.
-9. Fix a duplicated assert message linker bug. PR 12380.
-10. Fix plugin linker build. PR 12391.
-11. Fix a plugin linker crash. PR 12364.
-12. Improve plugin linker.
-13. Improve gold.
-14. Improve arm support.
-15. Improve mips support.
-16. Improve rx support.
-
-Changes from binutils 2.21.51.0.4:
-
-1. Update from binutils 2011 0104.
-2. Add ILP32 support:
-
-http://www.kernel.org/pub/linux/devel/binutils/ilp32/abi.pdf
-
-to Linux/x86-64.
-3. Prevent the Linux x86-64 kernel build failure and remove
-__ld_compatibility support. PR 12356.
-4. Improve gold.
-5. Improve Windows support.
-6. Improve hppa support.
-7. Improve mips support.
-
-Changes from binutils 2.21.51.0.3:
-
-1. Update from binutils 2010 1217.
-2. Fix the Linux relocatable kernel build. PR 12327.
-3. Improve mips support.
-
-Changes from binutils 2.21.51.0.2:
-
-1. Update from binutils 2010 1215.
-2. Add BFD linker support for placing input .ctors/.dtors sections in
-output .init_array/.fini_array section. Add SORT_BY_INIT_PRIORITY. The
-benefits are
- a. Avoid output .ctors/.dtors section in executables and shared
- libraries.
- b. Allow mixing input .ctors/.dtors sections with input
- .init_array/.fini_array sectiobs. GCC PR 46770.
-3. Add BFD linker support for "ld -r" on mixed IR/non-IR objects. Add
-the new ELF section type SHT_GNU_OBJECT_ONLY (0x6ffffff8). See
-
-http://sourceware.org/bugzilla/show_bug.cgi?id=12291
-
-4. Update BFD linker to accept -flto and -flto-partition= for GCC LTO
-option compatibility.
-5. Fix BFD linker to avoid touching uncompressed section content when
-relocating DWARF debug sections for errror reporting.
-6. Mark .gnu.lto_* sections with SHF_EXCLUDE.
-7. Add --target option to ar.
-8. Improve gold.
-9. Improve AIX support.
-10. Improve Windows support.
-11. Improve mips support.
-
-Changes from binutils 2.21.51.0.1:
-
-1. Update from binutils 2010 1206.
-2. Fix BFD and GOLD linker for compressed debug section support.
-3. Fix BFD linker plugin support. PR ld/12246, ld/12247, ld/12248,
-ld/12277, ld/12288 and ld/12289.
-4. Update BFD linker to group .text.exit, text.startup and .text.hot
-sections.
-5. Fix linker for W_EH_PE_datarel handling. PR ld/12253.
-6. Fix array access bug in readelf/elfedit. PR binutils/11742 and
-binutils/12235.
-7. Support dumping GDB .gdb_index section.
-8. Install plugin-api.h.
-9. Improve gold.
-10. Improve Solaris support.
-11. Improve VMS support.
-12. Improve Windows support.
-13. Improve arm support.
-14. Improve bfin support.
-15. Improve mips support.
-16. Improve s390 support.
-17. Improve z80 support.
-
-Changes from binutils 2.20.51.0.12:
-
-1. Update from binutils 2010 1110.
-2. Fix ld plugin support. PRs lto/46291 and lto/46319.
-3. Fix x86 assembler to properly fold _GLOBAL_OFFSET_TABLE_ in Intel
-syntax. PR 12186.
-4. Update assembler to ensure that group signature symbols have the name
-of the group.
-5. Avoid unnecessary relaxation in assembler. PR 12049.
-6. Update linker NOLOAD processing.
-7. Update linker not to include archive members when symbols therein have
-already been defined. PR 12001.
-8. Change objdump to display compressed section names without 'z'.
-9. Improve gold.
-10. Improve Solaris support.
-11. Improve VMS support.
-12. Improve Windows support.
-13. Improve arm support.
-14. Improve cr16 support.
-15. Improve mips support.
-16. Improve ppc support.
-17. Improve tic6x support.
-
-The file list:
-
-1. binutils-2.21.51.0.6.tar.bz2. Source code.
-2. binutils-2.21.51.0.6.i686.tar.bz2. IA-32 binary tar ball for RedHat
- EL 5.
-3. binutils-2.21.51.0.6.ia64.tar.bz2. IA-64 binary tar ball for RedHat
- EL 5.
-4. binutils-2.21.51.0.6.x86_64.tar.bz2. X64_64 binary tar ball for RedHat
- EL 5.
-
-The primary sites for the beta Linux binutils are:
-
-1. http://www.kernel.org/pub/linux/devel/binutils/
-
-Thanks.
-
-
-H.J. Lu
-hjl.tools@gmail.com
-01/18/2011