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On windows gcc by default generates code that follows the MSVC layout.
We don't want that as it adds extra padding.
Change-Id: I92efe5da2a2ad818783707ee96a9b8e0eb606dbd
Reviewed-by: Christian Kandeler <[email protected]>
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gcc -fsanitize=undefined pointed out that for too big sleb128 values we
could shift into the sign bit. So for sleb128 values that have to fit
in a (signed) int64_t variable reduce the max number of steps by one.
https://bugzilla.redhat.com/show_bug.cgi?id=1170810#c29
Signed-off-by: Mark Wielaard <[email protected]>
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The common case is a single-byte. So no extra (max len) calculation is
necessary then.
Signed-off-by: Mark Wielaard <[email protected]>
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Signed-off-by: Josh Stone <[email protected]>
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Both get_uleb128 and get_sleb128 now take an end pointer to prevent
reading too much data. Adjust all callers to provide the end pointer.
There are still two exceptions. "Raw" dwarf_getabbrevattr and
read_encoded_valued don't have a end pointer associated yet.
They will have to be provided in the future.
Signed-off-by: Mark Wielaard <[email protected]>
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- The behavior of this function has been changed to read only
address-sized quantities, i.e. the size of 2 is no longer allowed.
(Size of 1 never was.) The two outstanding uses, both in readelf.c,
which actually do use this call to read address-sized units, were
updated, rejecting fields that indicate weird address sizes.
- The three related calls, read_sbyte_unaligned_inc,
read_ubyte_unaligned and read_sbyte_unaligned were dropped. There
are currently no uses for these calls.
Signed-off-by: Petr Machata <[email protected]>
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As pointed out by gcc -fsanitize=undefined left shifting a negative value
is undefined. Replace it with a multiplication of the signed value as
suggested by Richard Henderson and Josh Stone.
Signed-off-by: Mark Wielaard <[email protected]>
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This removes the IS_LIBDW distinction so LEB128 operations are now
always inlined, and the implementations are simplified, more direct.
Signed-off-by: Josh Stone <[email protected]>
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Signed-off-by: Roland McGrath <[email protected]>
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* Change name from "Red Hat elfutils" to "elfutils".
* Update license of standalone tools and test from GPLv2 to GPLv3+.
* Change license of libraries from GPLv2+exception to GPLv2/LGPLv3+.
* Add Developer Certificate of Origin based contributor policy.
top-level:
- COPYING: Upgraded from GPLv2 to GPLv3.
- CONTRIBUTING, COPYING-GPLv2, COPYING-LGPLv3: New files.
- NEWS: Added note about new contribution and license policy.
- Makefile.am: Updated to GPLv3, added new files to EXTRA_DIST.
- configure.ac: Update to GPLv3, changed AC_INIT name to 'elfutils'.
backends, lib, libasm, libcpu, libdw, libdwfl, libebl, libelf:
- All files updated to GPLv2/LGPLv3+. Except some very small files
(<5 lines) which didn't have any headers at all before, the linker
.maps files and the libcpu/defs files which only contain data and
libelf/elf.h which comes from glibc and is under LGPLv2+.
config:
- elfutils.spec.in: Add new License: headers and new %doc files.
- Update all license headers to GPLv2/LGPLv3+ for files used by libs.
src, tests:
- All files updated to GPLv3+. Except for the test bz2 data files, the
linker maps and script files and some very small files (<5 lines)
that don't have any headers.
Signed-off-by: Richard Fontana <[email protected]>
Signed-off-by: Mark Wielaard <[email protected]>
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4f8fc821345feef58624f0aa5b470d4827577d8c)
to branch 'com.redhat.elfutils' (head 76e26cb54695fd3b21ee8fb5be3036bd68200633)
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