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Adds two new external authors to etc/update-copyright.py to cover
bfd/ax_tls.m4, and adds gprofng to dirs handled automatically, then
updates copyright messages as follows:
1) Update cgen/utils.scm emitted copyrights.
2) Run "etc/update-copyright.py --this-year" with an extra external
author I haven't committed, 'Kalray SA.', to cover gas testsuite
files (which should have their copyright message removed).
3) Build with --enable-maintainer-mode --enable-cgen-maint=yes.
4) Check out */po/*.pot which we don't update frequently.
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The newer update-copyright.py fixes file encoding too, removing cr/lf
on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and
embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
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There are two places where unaligned loads were seen on aarch64:
- #1. access to the SFrame FRE stack offsets in the in-memory
representation/abstraction provided by libsframe.
- #2. access to the SFrame FRE start address in the on-disk representation
of the frame row entry.
For #1, we can fix this by reordering the struct members of
sframe_frame_row_entry in libsframe/sframe-api.h.
For #2, we need to default to using memcpy instead, and copy out the bytes
to a location for output.
SFrame format is an unaligned on-disk format. As such, there are other blobs
of memory in the on-disk SFrame FRE that are on not on their natural
boundaries. But that does not pose further problems yet, because the users
are provided access to the on-disk SFrame FRE data via libsframe's
sframe_frame_row_entry, the latter has its' struct members aligned on their
respective natural boundaries (and initialized using memcpy).
PR 29856 libsframe asan: load misaligned at sframe.c:516
ChangeLog:
PR libsframe/29856
* bfd/elf64-x86-64.c: Adjust as the struct members have been
reordered.
* libsframe/sframe.c (sframe_decode_fre_start_address): Use
memcpy to perform 16-bit/32-bit reads.
* libsframe/testsuite/libsframe.encode/encode-1.c: Adjust as the
struct members have been reordered.
include/ChangeLog:
PR libsframe/29856
* sframe-api.h: Reorder fre_offsets for natural alignment.
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The new name better reflects the purpose of the function.
ChangeLog:
* bfd/elfxx-x86.c (_bfd_x86_elf_create_sframe_plt): Use new
name.
* libsframe/sframe.c (sframe_fde_create_func_info): Rename
sframe_fde_func_info to this.
* libsframe/testsuite/libsframe.encode/encode-1.c: Use new name.
include/ChangeLog:
* sframe-api.h (sframe_fde_create_func_info): Rename
sframe_fde_func_info to this.
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libsframe is a library that allows you to:
- decode a .sframe section
- probe and inspect a .sframe section
- encode (and eventually write) a .sframe section.
This library is currently being used by the linker, readelf, objdump.
This library will also be used by the SFrame unwinder which is still
to be upstream'd.
The file include/sframe-api.h defines the user-facing APIs for decoding,
encoding and probing .sframe sections. A set of error codes together
with their error message strings are also defined.
Endian flipping is performed automatically at read and write time, if
cross-endianness is detected.
ChangeLog:
* Makefile.def: Add libsframe as new module with its
dependencies.
* Makefile.in: Regenerated.
* binutils/Makefile.am: Add libsframe.
* binutils/Makefile.in: Regenerated.
* configure: Regenerated
* configure.ac: Add libsframe to host_libs.
* libsframe/Makefile.am: New file.
* libsframe/Makefile.in: New file.
* libsframe/aclocal.m4: New file.
* libsframe/config.h.in: New file.
* libsframe/configure: New file.
* libsframe/configure.ac: New file.
* libsframe/sframe-error.c: New file.
* libsframe/sframe-impl.h: New file.
* libsframe/sframe.c: New file.
include/ChangeLog:
* sframe-api.h: New file.
testsuite/ChangeLog:
* libsframe/testsuite/Makefile.am: New file.
* libsframe/testsuite/Makefile.in: Regenerated.
* libsframe/testsuite/libsframe.decode/Makefile.am: New
file.
* libsframe/testsuite/libsframe.decode/Makefile.in:
Regenerated.
* libsframe/testsuite/libsframe.decode/decode.exp: New file.
* libsframe/testsuite/libsframe.encode/Makefile.am:
Likewise.
* libsframe/testsuite/libsframe.encode/Makefile.in:
Regenerated.
* libsframe/testsuite/libsframe.encode/encode.exp: New file.
* libsframe/testsuite/libsframe.encode/encode-1.c: Likewise.
* libsframe/testsuite/libsframe.decode/be-flipping.c: Likewise.
* libsframe/testsuite/libsframe.decode/frecnt-1.c: Likewise.
* libsframe/testsuite/libsframe.decode/frecnt-2.c: Likewise.
* libsframe/testsuite/libsframe.decode/DATA-BE: New file.
* libsframe/testsuite/libsframe.decode/DATA1: Likewise.
* libsframe/testsuite/libsframe.decode/DATA2: Likewise.
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