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Andrew Burgess bdf2220615 Convert the unavailable vector to be bit, not byte, based.
https://sourceware.org/ml/gdb-patches/2013-12/msg00144.html

The vector of unavailable parts of a value is currently byte based.  Given
that we can model a value down to the bit level, we can potentially loose
information with the current implementation.  After this patch we model the
unavailable information in bits.

gdb/ChangeLog

	* dwarf2loc.c (read_pieced_value): Mark bits, not bytes
	unavailable, use correct bit length.
	* value.c (struct value): Extend comment on unavailable to
	indicate that it is bit based.
	(value_bits_available): New function.
	(value_bytes_available): Call value_bits_available.
	(value_entirely_available): Check against the bit length, not byte
	length.
	(mark_value_bits_unavailable): New function.
	(mark_value_bytes_unavailable): Move contents to
	mark_value_bits_unavailable, call to same.
	(memcmp_with_bit_offsets): New function.
	(value_available_contents_bits_eq): New function, takes the
	functionality from value_available_contents_eq but uses
	memcmp_with_bit_offsets now, and is bit not byte based.
	(value_available_contents_eq): Move implementation into
	value_available_contents_bits_eq, call to same.
	(value_contents_copy_raw): Work on bits, not bytes.
	(unpack_value_bits_as_long_1): Check availability in bits, not
	bytes.
	* value.h (value_bits_available): Declare new function.
	(mark_value_bits_unavailable): Declare new function.

gdb/testsuite/ChangeLog

	* gdb.trace/unavailable-dwarf-piece.c: New file.
	* gdb.trace/unavailable-dwarf-piece.exp: New file.
2013-12-17 17:24:15 +00:00
bfd * peXXigen.c: Include wchar.h if available. 2013-12-17 15:39:13 +00:00
binutils Add support for Andes NDS32: 2013-12-13 11:52:32 +00:00
config strip off +x bits on non-executable/script files 2013-12-07 02:03:03 -05:00
cpu strip off +x bits on non-executable/script files 2013-12-07 02:03:03 -05:00
elfcpp
etc
gas Properly handle ljmp/lcall with invalid MODRM byte 2013-12-17 09:06:57 -08:00
gdb Convert the unavailable vector to be bit, not byte, based. 2013-12-17 17:24:15 +00:00
gold Use $(INSTALL_PROGRAM_ENV) consistently. 2013-12-10 15:19:50 -08:00
gprof
include Range of element index is too large on MIPS MSA element selection instructions. 2013-12-16 07:43:20 -08:00
intl
ld * lib/ld-lib.exp (default_ld_link): Use ldflags from board description 2013-12-13 12:02:26 +00:00
libdecnumber
libiberty
opcodes Properly handle ljmp/lcall with invalid MODRM byte 2013-12-17 09:06:57 -08:00
readline
sim sim: bfin: tests: make run-tests.sh executable 2013-12-07 02:03:33 -05:00
texinfo
.cvsignore
.gitignore
ChangeLog * configure.ac: Add user-friendly check for native x86_64-linux multilibs. * configure: Regenerate. 2013-12-16 13:42:54 -07:00
compile
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configure * configure.ac: Add user-friendly check for native x86_64-linux multilibs. * configure: Regenerate. 2013-12-16 13:42:54 -07:00
configure.ac * configure.ac: Add user-friendly check for native x86_64-linux multilibs. * configure: Regenerate. 2013-12-16 13:42:54 -07:00
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		   README for GNU development tools

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