| Commit message (Collapse) | Author | Age | Files | Lines |
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Improve support for XSAVE with debuggers.
- Dump an NT_X86_XSTATE note if XSAVE is in use. This note is designed
to match what Linux does in that 1) it dumps the entire XSAVE area
including the fxsave state, and 2) it stashes a copy of the current
xsave mask in the unused padding between the fxsave state and the
xstate header at the same location used by Linux.
- Teach readelf() to recognize NT_X86_XSTATE notes.
- Change PT_GET/SETXSTATE to take the entire XSAVE state instead of
only the extra portion. This avoids having to always make two
ptrace() calls to get or set the full XSAVE state.
- Add a PT_GET_XSTATE_INFO which returns the length of the current
XSTATE save area (so the size of the buffer needed for PT_GETXSTATE)
and the current XSAVE mask (%xcr0).
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for. This is useful for software needing to know which architecture a
binary is built for as arm and armv6 have slight differences meaning only
some binaries build for one will work as expected on the other. It is
expected pkgng will be able to make use of this to simplify the logic to
determine which package ABI to use.
Approved by: re (kib)
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Add four ELF note constants:
- NT_FILE and NT_SIGINFO (core file notes output by recent Linux kernels)
- NT_GNU_ABI_TAG (was incorrectly reported as NT_VERSION)
- NT_GNU_BUILD_ID (used for locating standalone debug files)
Approved by: re (kib)
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Add a function to return the specific type, when the note's Name field is
'FreeBSD'.
r249558 added FreeBSD-specific ELF note types that reuse type numbers of
existing generic / Linux types. This caused 'readelf -n' to produce
incorrect output on FreeBSD core files.
Sponsored by: DARPA, AFRL
MFC after: 3 days
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2012-05-21 Jim Ingham <jingham@apple.com>
* dwarf2read.c (process_die): Handle DW_TAG_rvalue_reference_type.
(read_type_die): Ditto.
(dwarf_tag_name): Ditto.
* elf/dwarf2.h: Add DW_TAG_rvalue_reference_type.
Obtained from: Apple, gdb-1820
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Add NT_FREEBSD_NOINIT_TAG for the value of CRT_NOINIT_NOTETYPE.
Check for both of these when detecting a FreeBSD binary in gdb.
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.note.ABI-tag section.
This helps on ARM EABI where the OS/ABI field is zero. It would be better
to use the NOTES program header however this would require a more invasive
change.
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error out on files that contain it. (This attribute can be emitted by
newer versions of clang.)
MFC after: 2 weeks
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thread specific informations.
In order to do that, and in order to avoid KBI breakage with existing
infrastructure the following semantic is implemented:
- For live programs, a new member to the PT_LWPINFO is added (pl_tdname)
- For cores, a new ELF note is added (NT_THRMISC) that can be used for
storing thread specific, miscellaneous, informations. Right now it is
just popluated with a thread name.
GDB, then, retrieves the correct informations from the corefile via the
BFD interface, as it groks the ELF notes and create appropriate
pseudo-sections.
Sponsored by: Sandvine Incorporated
Tested by: gianni
Discussed with: dim, kan, kib
MFC after: 2 weeks
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us up to version 2.17.50.20070703, at the last GPLv2 commit.
Amongst others, this added upstream support for some FreeBSD-specific
things that we previously had to manually hack in, such as the OSABI
label support, and so on.
There are also quite a number of new files, some for cpu's (e.g. SPU)
that we may or may not be interested in, but those can be cleaned up
later on, if needed.
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Binutils has a "contrib" subdirectory - thus flattening cannot happen
without renaming the upper level contrib directory in a first pass.
Also, don't record this move and remove any keyword expansion.
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o) Add TARGET_ABI to the MIPS toolchain build process. This sets the default
ABI to one of o32, n32 or n64. If it is not set, o32 is assumed as that is
the current default.
o) Set the default GCC cpu type to any specified TARGET_CPUTYPE. This is
necessary to have a working "cc" if e.g. mips64 is specified, as binutils
will refuse to link objects using different ISAs in some cases.
o) Add support for n32 and n64 ABIs to binutils and GCC.
o) Add additional required libgcc2 stubs for n32 and n64.
o) Add support for the "mips64r2" architecture to GCC. Add the "octeon"
o) When static linking, wrap default libraries in --start-group and
--end-group. This is required for static linking to work on n64 with the
interdependencies between libraries there. This is what other OSes that
support n64 seem to do, as well.
o) Fix our GCC spec to define __mips64 for 64-bit targets, not __mips64__, the
former being what libgcc, etc., check and the latter seemingly being a
misspelling of a hand merge from a Linux spec.
o) When no TARGET_CPUTYPE is specified at build time, make GCC take the default
ISA from the ABI. Our old defaults were too liberal and assumed that 64-bit
ABIs should default to the MIPS64 ISA and that 32-bit ABIs should default to
the MIPS32 ISA, when we are supporting or will support some systems based on
earlier 32-bit and 64-bit ISAs, most notably MIPS-III.
o) Merge a new opcode file (and support code) from a later version of binutils
and add flags and code necessary to support Octeon-specific instructions.
This should also make merging opcodes for other modern architectures easier.
Reviewed by: imp
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which included commits to RCS files with non-trunk default branches.
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These bits are taken from the FSF anoncvs repo on 23-May-2004 04:41:00 UTC.
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which included commits to RCS files with non-trunk default branches.
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These bits are taken from the FSF anoncvs repo on 11-Oct-2002 22:39:35 PDT.
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which included commits to RCS files with non-trunk default branches.
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These bits are taken from the FSF anoncvs repo on 22-June-2002 23:28:00 EDT.
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which included commits to RCS files with non-trunk default branches.
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These bits are taken from the FSF anoncvs repo on 21-Feburary-2002 20:15 PST.
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which included commits to RCS files with non-trunk default branches.
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version 2.12.0. These bits are taken from the FSF anoncvs repo on
27-January-2002 03:41 PST.
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which included commits to RCS files with non-trunk default branches.
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This fixes an annoying `ld' bug.
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which included commits to RCS files with non-trunk default branches.
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which included commits to RCS files with non-trunk default branches.
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Believe it or not, this is heavily stripped down.
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which included commits to RCS files with non-trunk default branches.
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Believe it or not, this is heavily stripped down.
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which included commits to RCS files with non-trunk default branches.
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on 14-April-2000. This gives us offical SCO/SVR4 ABI values for EI_OSABI.
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Requested by: steve
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until I've made the commits to resolve the conflicts.
Submitted by: Doug Rabson <dfr>
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this is heavily stripped down.
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