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am: d8c00f06ba
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1965994
Change-Id: If8133449ee544097197a1e29f8ce66e5e0497af6
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1965994
Change-Id: I1b1d303cd1e35a6c01d4240c87c8f8ff7faaa0e2
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1965994
Change-Id: I86aeafce750e55d41dec48b463035027684a7105
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6af4638e60
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1985629
Change-Id: Ifdbf38e74f6ed71a59ce235fcce3a1269466f117
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1985629
Change-Id: Ice0394b4e9696426e8d2ed22c3862ed13efb7d6f
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1985629
Change-Id: I5f066c2a9cb3dee0ac37f51e55ad9fb30d41bace
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libbpf-tools provides standalone eBPF-based tracing tools. Because
they use libbpf to parse/load BPF .o files and kernel BTF, these tools
rely on libelf in order to function.
Add external/bcc/libbpf-tools to the visibility list for
libelf. This directory contains only the libbpf-tools, so other code
from the bcc project (e.g. libbpf_bcc) still cannot be built against
libelf.
Test: m ksnoop
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: I2d3932fe2b44b1b95f871320d20b2a605fedb180
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bpftool is used in the build process of libbpf-tools and depends on
the full upstream libbpf, which means it needs libelf as well in order
to build.
Bug: 203823368
Test: m bpftool
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: I634acc27af651660ea4d289c718af4689bb63f0f
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sc-v2-dev-plus-aosp-without-vendor@8084891 am: a5e7584fb3 -s ours am: 6d7ad9bced -s ours
am skip reason: Merged-In Ie8f964b5b2139dce89ac7432613e18478fe195bd with SHA-1 d7b4939cf2 is already in history
Original change: https://googleplex-android-review.googlesource.com/c/platform/external/elfutils/+/16843231
Change-Id: I8977aaea2fc1428106074137320a16c34da722e4
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sc-v2-dev-plus-aosp-without-vendor@8084891 am: a5e7584fb3 -s ours
am skip reason: Merged-In Ie8f964b5b2139dce89ac7432613e18478fe195bd with SHA-1 d7b4939cf2 is already in history
Original change: https://googleplex-android-review.googlesource.com/c/platform/external/elfutils/+/16843231
Change-Id: I64130f2ca864ae8b96e5c46abfa5ee254f8b2a4c
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Bug: 214455710
Merged-In: Ie8f964b5b2139dce89ac7432613e18478fe195bd
Change-Id: I894ca064c76f9093fb765e66f8bf95e0a3379e3b
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325ecbcd3c am: c7d887b3c9 am: f2fd5fd305 am: c1b5f83040
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1960724
Change-Id: I23d6ff311195488a3cc3b23bd41bdbbdef4085c2
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325ecbcd3c am: c7d887b3c9 am: f2fd5fd305
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1960724
Change-Id: Icfabf226c03642748e1735a261b1288c026a8097
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325ecbcd3c am: c7d887b3c9
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1960724
Change-Id: Id167834cf0035246956711bff845b78a496c8653
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325ecbcd3c
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1960724
Change-Id: I7d44dd32d5129fa9c55107cd2c588dd37dfef6fe
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dwfl_linux_kernel_report_modules_ has an outstanding ancient bug when
reading kernel module information from a modules list file. The target
buffer for the module name was sized too small to hold potential values.
Fix that by increasing the value to account for the null termination.
In practice, this unlikely ever happened, but it now got diagnosed by
LLVM as part of a stricter -Wfortify-source implementation [1]:
libdwfl/linux-kernel-modules.c:1019:7: error: 'sscanf' may overflow; destination buffer in argument 3 has size 128, but the corresponding specifier may require size 129 [-Werror,-Wfortify-source]
modname, &modsz, &modaddr) == 3)
[1] https://github.com/llvm/llvm-project/commit/2db66f8d48beeea835cb9a6940e25bc04ab5d941
Suggested-by: Paul Pluzhnikov <ppluzhnikov@google.com>
Signed-off-by: Matthias Maennich <maennich@google.com>
Test: Builds with new clang without warnings
(cherry picked from commit 2e3bc18672f0cede0332ae3194eb2e33d4cc5fd7)
Change-Id: I19342bb64ff5b973aa3f4c65abed8123eab8367d
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932e0584e2 am: 4e2923b29b
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1895360
Change-Id: I2669107424a390798672aa0beb6e4c9a09bffcb1
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1895360
Change-Id: I4bb69e9c086b1a18dc6d8467460081a6b93178bc
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1895360
Change-Id: Ic492e343cb67c308c9e30e41c67a79c081097462
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1895360
Change-Id: Ieef9602118d5afa007831783893f296de1cd0e7f
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* changes:
drop recursive documentation symlinks
Merge tag 'elfutils-0.186' into master
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This upsets soong during globbing.
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: Ie8f964b5b2139dce89ac7432613e18478fe195bd
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am: 40b262dfad am: a8279ebfed
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1892422
Change-Id: I4f60c07f1eaa76079d51a89abbe9dcc6b0bad2d5
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am: 40b262dfad
Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1892422
Change-Id: I72f2973aa841d099421a64b36d241a729e9ffdef
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1892422
Change-Id: Ie1bd0eec8a59f8287a1e47f11116433cb5801fd7
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Original change: https://android-review.googlesource.com/c/platform/external/elfutils/+/1892422
Change-Id: I1fb62b9b5eb3e1132912406388ac0997ce4a0118
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elfutils 0.186 release
* tag 'elfutils-0.186':
Prepare for 0.186
PR28430: debuginfod: support --passive mode
libdw, readelf: Read inlining info in NVIDIA extended line map
libdw: dwarf_elf_begin should use either plain, dwo or lto DWARF sections.
Improve building with LTO
PR28514: debuginfod: limit groom operation times
NEWS: make automake check-news / dist happy
NEWS: list some 0.186 debuginfod client & server features
PR28240: debuginfod client root-safe negative caching
libdw: Don't pass NULL to dwarf_peel_type
libdw: Use signedness of subrange type to determine array bounds
debuginfod-client: Stick to http:// + https:// + file:// protocols
PR27783: switch default debuginfod-urls to drop-in style files
tests: Handle dwarf_attr_string returning NULL in show-die-info.c
elflint.c: Don't dereference databits if bad
PR28242: debuginfod prometheus metric widening
RISC-V: PR27925 Add support for LP64 and LP64F ABIs return values
debuginfod: Remove checking for unsafe headers
debuginfod: Query debuginfod servers before printing response
debuginfod: PR27277 - Describe retrieved files when verbose
debuginfod: PR28034 - No longer escape '/', and loop efficiency
PR28339: debuginfod: fix groom/scan race condition on just-emptied queue
debuginfod: Add endl after "fdcache emergency flush for filling tmpdir" log
lib: Make error.c more like error(3)
libdw: set address size, offset size and version on fake CUs
tests: Don't fail run-debuginfod-fd-prefetch-caches.sh if grep -c fails
findtextrel: do not use unbound alloca
tests: Cleanup error handling and don't share cache between servers/client
Use xasprintf instead of asprintf followed by error(EXIT_FAILURE)
Introduce xasprintf
Remove redundant casts of memory allocating functions returning void *
src: add -Wno-error=stack-usage= to AM_LDFLAGS
tests: Make sure to wait for initial scan and groom cycle earlier
tests: Make sure to wait for initial scan and groom cycle
tests: Only export DEBUGINFOD_URLS when necessary
tests: Print metrics for both ports on error and fix port selection
tests: Set DEBUGINFOD_CACHE_PATH for run-debuginfod-{file,query-retry}.sh
tests: Make sure all debuginfod tests use a clean database and cache.
tests: Add debuginfod-subr.sh to EXTRA_DIST
debuginfod: Fracture tests/run-debuginfod-find.sh into specific tests
configure.ac: rework gnu99 ext check to allow clang
debuginfod: Turn -d ":memory:" into -d "file::memory:?cache=shared"
tests: Use fresh separate databases for debuginfd forwarded-ttl-limit
debuginfod: PR27917 - protect against federation loops
Add lib/error.c
lib: avoid potential problems with `-fno-common`
lib: remove unused `STROF` definition (NFC)
handle libc implementations which do not provide `error.h`
debuginfod, elfclassify: remove unnecessary header inclusion
lib: remove usage of `sys/cdefs.h`
PR27950 - package new debuginfod-client-config.7 man page in rpm
PR28249: correct debuginfod after-you locking
debuginfod-doc: PR27950: make distcheck happy
debuginfod-doc: PR27950 - Remove redanduncies in man page.
tests: Allow an extra pthread_kill frame in backtrace tests
debuginfod: PR27982 - added DEBUGINFOD_MAXSIZE and DEBUGINFOD_MAXTIME
update Japanese translation
debuginfod: PR27983 - ignore duplicate urls
lib: Add static inline reallocarray fallback function
debuginfod: PR28034 - client-side %-escape url characters
debuginfod: Minor run-debuginfod-find.sh test fixes
libelf: Optimize elf_strptr.c validate_str by checking last char first
readelf: Pull advance_pc() in file scope
debuginfod: PR25978 - Created the prefetch fdcache
PR27531: retry within default retry_limit will be supported.
debuginfod: PR27711 - Use -I/-X regexes during groom phase
tests: Fix EXTRA_DIST typo in testfile-largealign.o.bz2
libelf: Fix unaligned d_off offsets for input sections with large alignments
readelf: Handle line tables without line number statements correctly
readelf: Fix error message when two attribute names differ in in compare_listptr.
unstrip: Always check gelf_getrel[a] results
strip: Always check gelf_update results.
debuginfod-client: Fix client dereference when calloc fails.
run-debuginfod-find.sh: Disable valgrind for debuginfod client cache tests
debuginfod test: fix groom/stale race condition
debuginfod tests: tolerate 000-perm files in cache-copy test
debuginfod tests: try to generate diagnostics more reliably on error
libdwfl: fix potential NULL pointer dereference when reading link map
PR27863: debuginfod optimization for concurrent requests
elflint: fix undefined 'buffer_left' reference
Prepare for 0.185
PR27859: correct 404-latch bug in debuginfod client reuse
elfcompress: fix exit status in case of an error
elfcompress: remove redundant assignment
elfcompress: fix exit status regression in case of "Nothing to do"
Come up with startswith function.
elfutils.spec: Add procps as a %check BuildRequires:.
Prepare for 0.184
libdw: Document and handle DW_FORM_indirect in __libdw_form_val_compute_len
debuginfod: debuginfod client should cache negative results.
PR27571: debuginfod client cache - file permissions
PR26125: debuginfod client cache - rmdir harder
libdw: handle DW_FORM_indirect when reading attributes
PR27701: debuginfod client: encourage reused debuginfod_client objects
po: update XGETTEXT_OPTIONS
debuginfod: only update database stats once per groom
debuginfod: Recognize .debug_*-less symtab-laden files as debuginfo
nm: Fix file descriptor leak on dwfl_begin failure.
unstrip: Fix small leak in handle_output_dir_module.
ar: Always close newfd in do_oper_insert.
doc/debuginfod.8: fix wrong parameter name for .deb files in description
debuginfod: Set child thread names via pthread_setname_np()
debuginfod-client: Don't compare a double to a long
Update Polish translation
Update POTFILES.in
build: Check for -Wno-packed-not-aligned support
build: Check for -Wtrampolines support
debuginfod-client: Fix typo in curl feature detection
readelf: Sanity check verneed and verdef offsets in handle_symtab.
elfcompress: Replace cleanup() with label
build: Check for -Wimplicit-fallthrough=5 separately
tests: Pull new_data_buf() into file scope for elfstrmerge.
tests: Pull newsecndx() info file scope for elfstrmerge
elfcompress: Pull get_sections() into file scope
elfcompress: Pull get_section() into file scope
elfcompress: Pull set_section() into file scope
unstrip: Remove nested next() function
unstrip: Pull warn() into file scope
unstrip: Inline find_unalloc_section() into only caller
unstrip: Pull check_match() into file scope
unstrip: Pull adjust_reloc() into file scope
elflint: Pull left() in file scope
elflint: Pull pos() info file scope
debuginfod: filter webapi for bad keywords early
testsuite: run-debuginfod-find.sh: Fix grooming test indeterminacy
NEWS: add a debuginfod blurb re. bsdtar
testsuite: run-debuginfod-find.sh: Be more verbose on failure
readelf: Type DIE offset is from start of CU.
readelf, libdw: blocks aren't expressions for DWARF version 4
PR27413: use bsdtar to unpack deb-related formats
tests: Quote make variables in TESTS_ENVIRONMENT
elfutils.spec.in: Escape %%check in comment.
tests/run-debuginfod-find.sh: skip test if cpio isn't available.
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: I644650d79de63796c6acaaabb1474907a6043a6d
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Bug: 188176217
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: I93b76613968138d8291033cd17d5033b5972c909
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Set version to 0.186
Update NEWS and elfutils.spec.in
Regenerate po/*.po files
Signed-off-by: Mark Wielaard <mark@klomp.org>
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Add support for a limited mode for debuginfod that uses a pure
read-only sqlite index. This mode is useful for load spreading based
on naively shared or replicated databases.
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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As of CUDA 11.2, NVIDIA added extensions to the line map section
of CUDA binaries to represent inlined functions. These extensions
include
- two new fields in a line table row to represent inline
information: context, and functionname,
- two new DWARF extended opcodes: DW_LNE_NVIDIA_inlined_call,
DW_LNE_NVIDIA_set_function_name,
- an additional word in the line table header that indicates
the offset in the .debug_str function where the function
names for this line table begin, and
A line table row for an inlined function contains a non-zero "context"
value. The “context” field indicates the index of the line table row
that serves as the call site for an inlined context.
The "functionname" field in a line table row is only meaningful if the
"context" field of the row is non-zero. A meaningful "functionname"
field contains an index into the .debug_str section relative to the
base offset established in the line table header; the position in the
.debug_str section indicates the name of the inlined function.
These extensions resemble the proposed DWARF extensions
(http://dwarfstd.org/ShowIssue.php?issue=140906.1) by Cary Coutant,
but are not identical.
This commit integrates support for handling NVIDIA's extended line
maps into elfutil's libdw library, by adding two functions
dwarf_linecontext and dwarf_linefunctionname, and the readelf
--debug-dump=line command line utility.
Signed-off-by: John M Mellor-Crummey <johnmc@rice.edu>
Signed-off-by: Mark Wielaard <mark@klomp.org>
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When opening an ELF file that contained a mix of plain, dwo or lto .debug
sections the result could be confusing. Add a check to pick just the plain
.debug sections, or the .dwo sections or the .gnu.debuglto_.debug sections
(in that order of preference). That way there is always a consistent set.
https://sourceware.org/bugzilla/show_bug.cgi?id=27367
Signed-off-by: Mark Wielaard <mark@klomp.org>
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Use symver attribute for symbol versioning instead of .symver
assembler directive when available. Convert to use double @ syntax
for default version in all cases (required when using the attribute).
Add the attributes externally_visible, no_reorder if available when
using assembler directives to improve the situation for < gcc-10.
This is not 100% reliable, though; -flto-partition=none may still be
needed in some cases.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=24498
Signed-off-by: Alexander Miller <alex.miller@gmx.de>
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For large databases and many stale files, it was possible to starve
rescan operations by numerous groom "nuke" (database delete ops).
Under the theory that including new data is at least as important as
aging old, we now impose a rough deadline on groom queries.
In the process, we discovered that we were commiting some
undefined-behaviour sqlite ops (deleting rows while iterating), which
may explain some previous heisenbug occurrences. So the groom nuke
operations are split into decision & action phases, with associated
progress-tracking metrics.
Testing the timeout facility requires hand-testing beyond the
testsuite (since it requires LARGE databases to show measurable query
times). So confirmed this part by hand.
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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automake's check-news option requires not too much new content
before a line that includes the current version number.
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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Negative cache (000-permission) files were incorrectly treated as
valid cached files for the root user, because root can open even
000-perm files without -EACCES. Corrected this checking sequence.
Fixed the debuginfod testsuite to run to completion as root or
as an ordinary user, correcting corresponding permission checks:
stat -c %A $FILE
is right and
[ -w $FILE] [ -r $FILE ]
were wrong.
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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commit c3a6a9dfc "libdw: Use signedness of subrange type to
determine array bounds" introduced a type check on a DIE which
exposed a latent bug in the get_type function. Even if the type
of a DIE couldn't be determined it would call dwarf_peel_type
on it. The gcc undefined sanitizer would flag this as being
undefined behaviour because the second argument of the function
is marked as non-NULL. Fix this by checking we actually have
a non-NULL type DIE.
Signed-off-by: Mark Wielaard <mark@klomp.org>
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When calculating the array size check if the subrange has an associate
type, if it does then check the type to determine whether the upper
and lower values need to be interpreted as signed of unsigned
values. We default to signed because that is what the testcase
run-aggregate-size.sh testfile-size4 expects (this is an hardwritten
testcase, we could have chosen a different default).
https://sourceware.org/bugzilla/show_bug.cgi?id=28294
Signed-off-by: Mark Wielaard <mark@klomp.org>
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Make sure we don't use any of the more experimental protocols
libcurl might support. URLs can be redirected and we might want
to follow http -> https, but not e.g. gopher or pop3.
Suggested-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Signed-off-by: Mark Wielaard <mark@klomp.org>
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Rewrote and commented the /etc/profile.d csh and sh script fragments
to take the default $DEBUGINFOD_URLS from the union of drop-in files:
/etc/debuginfod/*.urls. Hand-tested with csh and bash, with
conditions including no prior $DEBUGINFOD_URLS, nonexistent .urls
files, multiple entries in .urls files.
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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Reported-by: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Signed-off-by: Mark Wielaard <mark@klomp.org>
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elflint.c: In function 'check_sections':
elflint.c:4105:48: error: null pointer dereference [-Werror=null-dereference]
4105 | idx < databits->d_size && ! bad;
| ~~~~~~~~^~~~~~~~
Fix this by testing for ! bad first.
Reported-by: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Signed-off-by: Mark Wielaard <mark@klomp.org>
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This patch aims to extend http_responses_* metrics with another label
"type" by getting the extra artifact-type content added as a new
key=value tag.
v2, tweaked patch to perform artifact-type sanitization at point of
vulnerability rather than in general metric tabulation logic.
Signed-off-by: Di Chen <dichen@redhat.com>
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
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The RISC-V Linux kernel is compiled without floating point (the LP64
ABI) and elfutils could not obtain return value locations for
functions in the kernel. This issue was noticed when Systemtap
generated RISC-V kernel modules for scripts that used $return target
variables in function return probes. This patch adds the needed
support to provide return value information for the LP64 and LP64F
ABIs.
Signed-off-by: William Cohen <wcohen@redhat.com>
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Some http response header checks were removed such as checking for
Connection and Cache-Control. These headers are not guarenteed to be
received and depend on proxy and libmicrohttpd versions. Checking for
the existance of Content-Length and DEBUGINFOD-* headers is sufficient
since Content-Length is added upon creation of an MHD_Response object
and DEBUGINFOD-* are added manually.
(source on Content-Length being added:
https://www.gnu.org/software/libmicrohttpd/manual/libmicrohttpd.html#
microhttpd_002dresponse-headers )
Signed-off-by: Noah Sanci <nsanci@redhat.com>
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