Signed-off-by: Aaron Merey
---
v3: Use the libelf.h comment for elf_compress/elf_compress_gnu as
the DESCRIPTION.
Do not include ELFCOMPRESS_LOOS, ELFCOMPRESS_LOPROC, etc. as valid
compression algorithm types. Mention that OS and arch-specific
algorithm types aren't supported.
doc/Makefi
Signed-off-by: Aaron Merey
---
v3: Clarify that future operations might fail after ELF_C_FDDONE
unless ELF_C_FDREAD is used first.
doc/Makefile.am | 1 +
doc/elf_cntl.3 | 70 +
2 files changed, 71 insertions(+)
create mode 100644 doc/elf_cntl
Signed-off-by: Aaron Merey
---
v3 changes: Use .B for EXAMPLES.
On Fri, Jun 27, 2025 at 6:36 PM Mark Wielaard wrote:
> > + /* Get the members of the archive one after the other. */
> > + while ((subelf = elf_begin (fd, cmd, elf)) != NULL)
> > + {
> > +
Signed-off-by: Aaron Merey
---
v3: Remove mention of elf_rand and elf_next invalidating Elf_Arhdr.
Change thread safety attribute to MT-safe.
doc/Makefile.am| 1 +
doc/elf_getarhdr.3 | 78 ++
2 files changed, 79 insertions(+)
create mode 100644
error in elf_getaroff.
Replace ELF_C_NULL with -1 as elf_getaroff's error return value.
Signed-off-by: Aaron Merey
---
libelf/elf_getaroff.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libelf/elf_getaroff.c b/libelf/elf_getaroff.c
index 5c102ad6..5737b350 100644
Signed-off-by: Aaron Merey
---
v3 changes:
Update return value description to reflect that elf_getaroff returns
-1 if there's an error, not ELF_C_NULL (0).
doc/Makefile.am| 1 +
doc/elf_getaroff.3 | 58 ++
2 files changed, 59 inser
f its Elf_Arhdr from
the archive descriptor.
Also update tests/arextract.c with verification that each Elf_Arhdr
is distinct and remains valid after calls to elf_next that would
have previously invalidated the Elf_Arhdr.
Signed-off-by: Aaron Merey
---
libelf/elf_begin.c| 5 +++-
libelf/elf_cl
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 2 ++
doc/elf_getshdrnum.3 | 76
doc/elf_getshnum.3 | 1 +
3 files changed, 79 insertions(+)
create mode 100644 doc/elf_getshdrnum.3
create mode 100644 doc/elf_getshnum.3
diff --git a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_strptr.3 | 72
2 files changed, 73 insertions(+)
create mode 100644 doc/elf_strptr.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index dc4a8b18..f7446872 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_rawfile.3 | 71 +++
2 files changed, 72 insertions(+)
create mode 100644 doc/elf_rawfile.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 7d5a3eef..50ab63ec 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_rawdata.3 | 97 +++
2 files changed, 98 insertions(+)
create mode 100644 doc/elf_rawdata.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 374e5d49..7d5a3eef 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_newdata.3 | 75 +++
2 files changed, 76 insertions(+)
create mode 100644 doc/elf_newdata.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 98712576..97aac570 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_nextscn.3 | 65 +++
2 files changed, 66 insertions(+)
create mode 100644 doc/elf_nextscn.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 022906bb..9ef2b60d 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_getident.3 | 89 ++
2 files changed, 90 insertions(+)
create mode 100644 doc/elf_getident.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 8afda0bd..d3fd9a49 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_gnu_hash.3 | 1 +
doc/elf_hash.3 | 20 +---
3 files changed, 19 insertions(+), 3 deletions(-)
create mode 100644 doc/elf_gnu_hash.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 129c612d..98712576
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_getdata_rawchunk.3 | 133 +
2 files changed, 134 insertions(+)
create mode 100644 doc/elf_getdata_rawchunk.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 3b63dc38..8afda0bd
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_scnshndx.3 | 68 ++
2 files changed, 69 insertions(+)
create mode 100644 doc/elf_scnshndx.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 50ab63ec..dc4a8b18 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_getphdrnum.3 | 74
2 files changed, 75 insertions(+)
create mode 100644 doc/elf_getphdrnum.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index d3fd9a49..5c1cd51e 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_memory.3 | 84
2 files changed, 85 insertions(+)
create mode 100644 doc/elf_memory.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 3ed04cd7..e5b12133 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_rand.3 | 68 +
2 files changed, 69 insertions(+)
create mode 100644 doc/elf_rand.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 9ef2b60d..374e5d49 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 2 ++
doc/elf_getshdrstrndx.3 | 80 +
doc/elf_getshstrndx.3 | 1 +
3 files changed, 83 insertions(+)
create mode 100644 doc/elf_getshdrstrndx.3
create mode 100644 doc/elf_getshstrndx.3
diff
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_newscn.3 | 70
2 files changed, 71 insertions(+)
create mode 100644 doc/elf_newscn.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 97aac570..022906bb 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 6 ++
doc/elf_flagdata.3 | 1 +
doc/elf_flagehdr.3 | 1 +
doc/elf_flagelf.3 | 145 +
doc/elf_flagphdr.3 | 1 +
doc/elf_flagscn.3 | 1 +
doc/elf_flagshdr.3 | 1 +
7 files changed, 156
.
* src/threadlib.h: New file. Declares functions add_job and
run_jobs.
Signed-off-by: Aaron Merey
---
v3:
Document that add_job cannot be called during run_jobs.
Add noinst_HEADERS and EXTRA_libtreahd_a_DEPENDENCIES to src/Makefile.am
Replace a printf call with fwrite.
Add a
IGNORE_FMT_NONLITERAL_* are mostly used
within hotpath loops where caching makes a signficant difference.
Runtime improvements of up to 13% faster have been observed with this patch
applied.
Signed-off-by: Aaron Merey
---
src/readelf.c | 222 ++
1 file
enabled.
Signed-off-by: Aaron Merey
---
v4: allow num_thread jobs instead of num_thread - 1
heap alloc job_data
Use max_threads instead of max_threads - 1 for determining the maximum
number of jobs running concurrently.
Improve error output when the argument to -C is invalid.
Allocate the job_data
Hi Mark,
On Sun, Jun 22, 2025 at 10:19 AM Mark Wielaard wrote:
>
> dwfl_module_getsym returns the name of a symbol as found in the
> corresponding (symbol) string section. Make sure all names are
> correctly zero terminated by making sure the last valid index in a
> section/segment Elf_Data conta
Signed-off-by: Aaron Merey
---
v2: Clarify that the offset refers to the archive member header.
> > +.SH RETURN VALUE
> > +Return the file offset, in bytes, of the archive member referred to by
> > +.IR elf .
> > +If
> > +.I elf
> > +is NULL or is not
Signed-off-by: Aaron Merey
---
v2 changes: clarify when changes to the parent archive descriptor
invalidate the return value. Change thread safety attribute to
MT-Unsafe race.
doc/Makefile.am| 1 +
doc/elf_getarhdr.3 | 80 ++
2 files changed, 81
Improve __libdw_dieabbrev performance by removing abbrev_lock. This
lock protects the Dwarf_Die abbrev member due to lazy loading.
Instead, eagerly load abbrev during Dwarf_Die initialization so that
the member is readonly and requires no locking.
Signed-off-by: Aaron Merey
---
libdw
Signed-off-by: Aaron Merey
---
v2: Clarify that elf_next is called with an archive member in order
to update the descriptor for the parent archive. Added a code example.
doc/Makefile.am | 1 +
doc/elf_next.3 | 120
2 files changed, 121
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_cntl.3 | 66 +
2 files changed, 67 insertions(+)
create mode 100644 doc/elf_cntl.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index d0ec20da..de0106bb 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 2 +
doc/elf_compress.3 | 183 +
doc/elf_compress_gnu.3 | 1 +
3 files changed, 186 insertions(+)
create mode 100644 doc/elf_compress.3
create mode 100644 doc/elf_compress_gnu.3
diff --git
Signed-off-by: Aaron Merey
---
v2: Clarify that narsyms can be NULL and that the end of the
archive symbol table contains a special NULL entry.
doc/Makefile.am| 1 +
doc/elf_getarsym.3 | 99 ++
2 files changed, 100 insertions(+)
create mode
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_getarhdr.3 | 76 ++
2 files changed, 77 insertions(+)
create mode 100644 doc/elf_getarhdr.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 6451ffab..aae29ebc 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_getarsym.3 | 91 ++
2 files changed, 92 insertions(+)
create mode 100644 doc/elf_getarsym.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index aae29ebc..d0ec20da 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am| 1 +
doc/elf_getaroff.3 | 55 ++
2 files changed, 56 insertions(+)
create mode 100644 doc/elf_getaroff.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index fbfebfe0..6451ffab 100644
--- a/doc
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 1 +
doc/elf_next.3 | 66 +
2 files changed, 67 insertions(+)
create mode 100644 doc/elf_next.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 1ced7858..fbfebfe0 100644
--- a/doc
On Fri, Jun 6, 2025 at 8:49 AM Mark Wielaard wrote:
>
> Hi Aaron,
>
> On Thu, 2025-06-05 at 17:12 -0400, Aaron Merey wrote:
> > Signed-off-by: Aaron Merey
> > ---
> >
> > v2: Address Mark's suggestions
> > https://patchwork.sourceware.org/pro
Signed-off-by: Aaron Merey
---
v2: Address Mark's suggestions
https://patchwork.sourceware.org/project/elfutils/patch/20250603012245.411580-1-ame...@redhat.com/
doc/elf_begin.3 | 118 ++--
1 file changed, 93 insertions(+), 25 deletions(-)
diff
Signed-off-by: Aaron Merey
---
doc/elf_begin.3 | 104
1 file changed, 79 insertions(+), 25 deletions(-)
diff --git a/doc/elf_begin.3 b/doc/elf_begin.3
index 6a1d0c27..cddd181f 100644
--- a/doc/elf_begin.3
+++ b/doc/elf_begin.3
@@ -1,37 +1,91
On Mon, Jun 2, 2025 at 5:29 PM wrote:
>
> A new failure has been detected on builder elfutils-debian-amd64 while
> building elfutils.
>
> Full details are available at:
> https://builder.sourceware.org/buildbot/#/builders/52/builds/518
>
> Build state: failed test (failure)
> Revision: 06f052
Hi Mark,
On Sat, May 31, 2025 at 6:17 PM Mark Wielaard wrote:
>
> __libdw_fde_by_offset is marked as an extern internal function in
> libdw/cfi.h (a not public header file). But it is (now) only used in
> libdw/fde.c, called from __libdw_find_fde. It was originally used for
> dwarf_cfi_validate_f
On Mon, Jun 2, 2025 at 8:47 AM Michal Sekletar wrote:
>
> Whenever possible, resolve all symlinks as if the sysroot path were a
> chroot environment. This prevents potential interactions with files from
> the host filesystem.
>
> Signed-off-by: Michal Sekletar
> ---
> configure.ac
Hi Anna,
On Thu, May 29, 2025 at 11:43 PM A. Wilcox wrote:
>
> Unfortunately, the only reference I am aware of for GNU attributes is
> the GCC compiler source itself; these constants are defined in
> gcc/config/rs6000/rs6000.cc in rs6000_elf_file_end.
LGTM, I've pushed this patch.
Thanks,
Aaron
eclare new mutex.
libdw_findcu.c (__libdw_intern_next_unit): Initialize
intern_lock.
(__libdw_findcu): Adjust locking so that the first eu_tfind
can be done without extra lock overhead.
Signed-off-by: Aaron Merey
v3:
Implement _nolock functions as inline functions a
Hi Michal,
On Wed, May 28, 2025 at 8:30 AM Michal Sekletar wrote:
>
> I finally got back to this patchset but I am wondering how to address your
> nitpick. Difference is that in one case $sysroot/usr/bin/bash is an actual
> binary and in another case it is a symlink. Hence it can't be both at t
* function pointers and
args to schedule_job. Also call run_jobs if thread safety
is enabled.
Signed-off-by: Aaron Merey
---
v3:
Replace assert before run_jobs with a conditional.
src/readelf.c | 153 --
1 file changed, 149
* function pointers and
args to schedule_job. Also call run_jobs if thread safety
is enabled.
Signed-off-by: Aaron Merey
---
v2:
Replace max_worker_threads with max_threads for clarity. Avoid creating
threads when max_threads is set to 1.
src/readelf.c | 152
.
* src/threadlib.h: New file. Declares functions add_job and
run_jobs.
Signed-off-by: Aaron Merey
---
v2:
Remove unnecessary thread_LDADD variable in src/Makefile.am. Minor comment
rewordings.
src/Makefile.am | 16 +++
src/threadlib.c | 252
eclare new mutex.
libdw_findcu.c (__libdw_intern_next_unit): Initialize
intern_lock.
(__libdw_findcu): Adjust locking so that the first eu_tfind
can be done without extra lock overhead.
Signed-off-by: Aaron Merey
---
v2:
_nolock variants of eu_t* functions have bee
gi?id=32864
Suggested-by: Constantine Bytensky
Signed-off-by: Aaron Merey
---
v2:
Verify that verneed_data and verdef_data sizes are sufficient.
src/readelf.c | 96 +--
1 file changed, 63 insertions(+), 33 deletions(-)
diff --git a/src/readel
On Wed, May 14, 2025 at 10:16 AM Mark Wielaard wrote:
>
> Hi Aaron,
>
> On Mon, 2025-05-12 at 20:33 -0400, Aaron Merey wrote:
> > v2: Mention ar(1) and that elfutils libelf does not support COFF object
> > files.
> >
> > On Thu, May 1, 2025 at 1:17 PM Mark Wie
On Thu, May 8, 2025 at 6:28 PM Serhei Makarov wrote:
>
> Missing a few pieces, but worth sharing as an RFC. My idea is to
> ensure better test coverage for eu-stack and then
> eu-stacktrace+libdwfl_stacktrace by running against a live process
> with known content, stopped at a known location, and
Signed-off-by: Aaron Merey
---
v2: Mention use with SHT_HASH and clarify that only the lower 32 bits of
the return value are used.
doc/Makefile.am | 1 +
doc/elf_hash.3 | 51 +
2 files changed, 52 insertions(+)
create mode 100644 doc/elf_hash
Signed-off-by: Aaron Merey
---
v2: Mention fill value only applies to new gaps and set Thread Safety
atrribute to 'MT-Unsafe race'
doc/Makefile.am | 1 +
doc/elf_fill.3 | 53 +
2 files changed, 54 insertions(+)
create mode 100644 do
Signed-off-by: Aaron Merey
v2: Mention ar(1) and that elfutils libelf does not support COFF object
files.
---
On Thu, May 1, 2025 at 1:17 PM Mark Wielaard wrote:
>
> > +.SH SEE ALSO
> > +.BR libelf (3),
> > +.BR elf (5)
>
> elf.5 doesn't describe the ar format,
Signed-off-by: Aaron Merey
---
v2: mention that base offset returned is always 0 for non ELF_K_AR
kinds. Also mention elf_getaroff and elf_rawelf.
doc/Makefile.am | 1 +
doc/elf_getbase.3 | 59 +++
2 files changed, 60 insertions(+)
create mode
Signed-off-by: Aaron Merey
---
v2: Mention elf arg may be NULL.
On Wed, Apr 30, 2025 at 1:18 PM Mark Wielaard wrote:
>
> So we do have a tiny elf_begin.3 man page, but it doesn't really
> describe anything. The above seems a technically correct description of
> ELF de
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 50 -
1 file changed, 25 insertions(+), 25 deletions(-)
diff --git a/doc/Makefile.am b/doc/Makefile.am
index c95369e9..b75711ca 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -27,37 +27,37
Hi Serhei,
On Mon, May 5, 2025 at 12:26 PM Serhei Makarov wrote:
>
> asm/perf_regs.h is an arch-specific linux include, not present on
> architectures like hppa and m68k that lack perf_events support.
>
> Only one place we need to fix; others already guard the include by
> architecture, or use ar
gi?id=32864
Suggested-by: Constantine Bytensky
Signed-off-by: Aaron Merey
---
v2 changes: Added checks for unset addrs and missing symbol version data.
src/readelf.c | 82 ++-
1 file changed, 49 insertions(+), 33 deletions(-)
diff --git a/src/read
: Improved handling of corrupt ELF data.
--section-headers output now includes a "Key to Flags" explaining
section flag meanings.
* GIT SHORTLOG *
Aaron Merey (22):
configure.ac: Fix ENABLE_IMA_VERIFICATION conditional
tests/.gitignore: Add newzdata
strip: Ignore --reloc
On Fri, Apr 25, 2025 at 10:56 AM Serhei Makarov wrote:
>
> Changes for v6:
>
> - Minor fixes as requested.
>
> Changes for v2:
>
> - Merged commit 11 into commit 1 (both sample_base_addr/sample_pc and
> set_initial_registers_sample make sense to introduce in the same
> commit).
>
> - Added i38
On Fri, Apr 25, 2025 at 9:56 AM Serhei Makarov wrote:
>
>
>
> On Fri, Apr 25, 2025, at 1:57 AM, Aaron Merey wrote:
> > Also if you haven't done so already, please run any manual tests under
> > valgrind memcheck (and helgrind if you are able to test this with
On Thu, Apr 24, 2025 at 5:52 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> Changes for v3:
>
> - Fix initialization of elf in sysprof_init_dwfl
> (previously triggered -Wmaybe-uninitialized).
>
> * * *
>
> Remove the code from src/stacktrac
On Thu, Apr 24, 2025 at 5:53 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> Changes for v3:
>
> - use const void *stack, not void *, to allow users
> to pass a const stack sample
>
> Changes for v2:
>
> - use renamed __libdwfl_set_initial_re
On Thu, Apr 24, 2025 at 5:49 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> * * *
>
> Initial minimal change to ensure dwflst_tracker_find_pid is
> tested. For now, we keep the additional dwfltab implementation in
> stacktrace.c, since it's be
On Thu, Apr 24, 2025 at 5:49 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> Changes for v2:
>
> - Add locking for dwfltab.
>
> * * *
>
> New function that retrieves the Dwfl for a particular PID, or,
> if the Dwfl is absent, creates it via a p
On Thu, Apr 24, 2025 at 5:52 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> Changes for v3:
>
> - Handle dwfl->process == NULL case in __libdwfl_remove_dwfl_from_tracker.
>
> * * *
>
> The Dwflst_Process_Tracker also includes a dynamicsizehash
On Thu, Apr 24, 2025 at 5:50 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> * * *
>
> * src/Makefile.am (AM_CPPFLAGS): Include headers from
> ../libdwfl_stacktrace.
> * src/stacktrace.c (tracker): New global variable.
> (sample_callbacks):
On Thu, Apr 24, 2025 at 5:52 PM Serhei Makarov wrote:
>
> Changes for v5:
>
> - Bugfixes in dwflst_tracker_find_elf.c.
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> - dwfl_module_getdwarf.c now uses the dwflst_tracker_cache_elf()
> interface instead of editing the
On Thu, Apr 24, 2025 at 5:48 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> * * *
>
> New data structure to coordinate caching Elf data among multiple Dwfl
> structs attached to different processes. Meant to reduce the overhead
> for profilers
On Thu, Apr 24, 2025 at 5:50 PM Serhei Makarov wrote:
>
> Changes for v5:
>
> - Separate ELFUTILS_0.193_EXPERIMENTAL namespace, mark library experimental.
>
> Changes for v4:
>
> - Separate out libdwfl_stacktrace, as requested.
>
> Changes for v2:
>
> - guard the linux/perf_events.h include proper
On Thu, Apr 24, 2025 at 5:48 PM Serhei Makarov wrote:
>
> Changes for v4:
>
> - Since __libdwfl_set_initial_registers_thread is now private to
> libdwfl, the modified code in this patch has been disabled.
>
> * * *
>
> Dummy commit to show how the sample_set_initial_registers callback in
> eu-st
On Thu, Apr 24, 2025 at 5:48 PM Serhei Makarov wrote:
>
> Changes for v2:
>
> - No longer exposing this in public libdwfl.h api.
>
> * * *
>
> Renaming pid_set_initial_registers to
> __libdwfl_set_initial_registers_thread and adding to libdwflP.h.
>
> This callback was private to one file, but now
On Thu, Apr 24, 2025 at 5:49 PM Serhei Makarov wrote:
>
> Changes for v2:
>
> - Merged commit 11 into commit 1 (both sample_base_addr/sample_pc and
> set_initial_registers_sample make sense to introduce in the same
> commit).
>
> - Added i386 backend and factored out common code.
>
> * * *
>
>
On Tue, Apr 22, 2025 at 10:24 AM Serhei Makarov wrote:
>
> On Tue, Apr 22, 2025, at 10:17 AM, Aaron Merey wrote:
> >> One question this raises re: the Dwfl_Process_Tracker structure and where
> >> its implementation should be located. In the patches, the Dwfl struct
>
On Tue, Apr 22, 2025 at 9:53 AM Serhei Makarov wrote:
> On Tue, Apr 22, 2025, at 9:45 AM, Aaron Merey wrote:
> >
> > Let's move the process_tracker interface as well for additional
> > flexibility to modify if needed. As for a name, I like
> > libdwfl_stacktr
Hi Serhei,
On Tue, Apr 22, 2025 at 9:27 AM Serhei Makarov wrote:
>
> On Mon, Apr 21, 2025, at 12:29 AM, Aaron Merey wrote:.
> >
> > I know we're close to the next release and I do want this work to be
> > included. My proposal is to move the current API out of libdw
Hi Serhei,
On Thu, Mar 20, 2025 at 9:24 AM Serhei Makarov wrote:
>
> On Wed, Mar 19, 2025, at 5:36 PM, Mark Wielaard wrote:
> >
> > On Sun, Mar 16, 2025 at 07:14:11PM -0400, Serhei Makarov wrote:
> >> Since libebl is a private interface, subsequent patches in the series
> >> introduce another api
f): Update macro_lock comment.
(struct Dwarf_CU): Declare new mutex.
libdw_findcu.c (__libdw_intern_next_unit): Initialize
intern_lock.
(__libdw_findcu): Adjust locking so that the first eu_tfind
can be done without extra lock overhead.
Signed-off-by: Aaron Merey
Hi Mark,
On Wed, Apr 2, 2025 at 8:50 AM Mark Wielaard wrote:
>
> DW_LANG_Nim and DW_LNAME_Nim were added to the DWARF languages.
>
> While adding them, and the default lower bounds, I noticed DW_LANG_V
> and DW_LANG_Algol68 where missing in srclang_to_language an internal
> helper function.
>
> T
Hi Michal,
On Tue, Apr 1, 2025 at 2:56 PM Michal Sekletar wrote:
>
> Whenever possible, resolve all symlinks as if the sysroot path were a
> chroot environment. This prevents potential interactions with files from
> the host filesystem.
>
> Signed-off-by: Michal Sekletar
> ---
> configure.ac
ed-by: Constantine Bytensky
Signed-off-by: Aaron Merey
---
src/readelf.c | 50 +++---
1 file changed, 31 insertions(+), 19 deletions(-)
diff --git a/src/readelf.c b/src/readelf.c
index 5b0e7b47..0452977f 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -30
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 3 ++-
doc/elf_getbase.3 | 55 +++
2 files changed, 57 insertions(+), 1 deletion(-)
create mode 100644 doc/elf_getbase.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 0dec1fc7..56c56b7b
Hi everyone,
We are planning to do the 0.193 release on Friday April 25.
Since the 0.192 release last October there have been 66 commits. Among
these are some important bug fixes and new features.
If your patch is still under review [1] or you have other patches you'd
like merged before the rel
Hi Frank,
On Mon, Mar 31, 2025 at 6:29 PM Frank Ch. Eigler wrote:
>
> > Due to significant lock contention, running eu-readelf when configured
> > with --enable-thread-safety causes a major performance degradation.
> > Currently, concurrency may double the runtime of eu-readelf.
>
> > However I t
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 3 ++-
doc/elf_hash.3 | 49 +
2 files changed, 51 insertions(+), 1 deletion(-)
create mode 100644 doc/elf_hash.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 56c56b7b..260a3f09 100644
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 3 ++-
doc/elf_kind.3 | 71 +
2 files changed, 73 insertions(+), 1 deletion(-)
create mode 100644 doc/elf_kind.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 260a3f09..8028acb0 100644
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 3 ++-
doc/elf_end.3 | 71 +
2 files changed, 73 insertions(+), 1 deletion(-)
create mode 100644 doc/elf_end.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index c95369e9..36f1855f 100644
Signed-off-by: Aaron Merey
---
doc/Makefile.am | 3 ++-
doc/elf_fill.3 | 53 +
2 files changed, 55 insertions(+), 1 deletion(-)
create mode 100644 doc/elf_fill.3
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 36f1855f..0dec1fc7 100644
* function pointers and
args to schedule_job. Also call run_jobs if thread safety
is enabled.
Signed-off-by: Aaron Merey
---
Due to significant lock contention, running eu-readelf when configured
with --enable-thread-safety causes a major performance degradation.
Currently
.
* src/threadlib.h: New file. Declares functions add_job and
run_jobs.
Signed-off-by: Aaron Merey
---
src/Makefile.am | 17
src/threadlib.c | 253
src/threadlib.h | 34 +++
3 files changed, 304 insertions(+)
create mode
Hi Mark,
On Thu, Mar 27, 2025 at 4:51 AM Mark Wielaard wrote:
>
> Hi Aaron,
>
> On Thu, Mar 27, 2025 at 12:07:18AM -0400, Aaron Merey wrote:
> > Ensure that dwarf_lock is held before accessing next_tu_offset and
> > next_cu_offset.
> >
> > This fixes a TOCT
Signed-off-by: Aaron Merey
---
tests/.gitignore | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tests/.gitignore b/tests/.gitignore
index f8869b40..6ae12adb 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -41,6 +41,7 @@
/dwarf_default_lower_bound
/dwarfcfi
Ensure that dwarf_lock is held before accessing next_tu_offset and
next_cu_offset.
This fixes a TOCTOU bug in __libdw_findcu that causes NULL to be
incorrectly returned.
Signed-off-by: Aaron Merey
---
libdw/libdw_findcu.c | 9 ++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff
Hi Mark,
On Tue, Mar 11, 2025 at 6:00 AM Mark Wielaard wrote:
>
> For programs which use dwarf_srclang it might be useful to translate a
> DW_LNAME (plus version) into a DW_LANG constant if there is no
> DW_AT_language constant, but there is a DW_AT_language_name (and
> DW_AT_language_version).
>
Hi Mark,
On Tue, Mar 11, 2025 at 6:01 AM Mark Wielaard wrote:
>
> Add a testfile using GCC 15 (experimental).
>
> * libdw/dwarf.h: Add DW_LNAME_lo_user and DW_LNAME_hi_user.
> * src/readelf.c (dwarf_lname_string): New function.
> (dwarf_lname_name): Likewise.
>
Hi Mark,
On Tue, Mar 11, 2025 at 5:59 AM Mark Wielaard wrote:
>
> dwarf_language returns a DW_LNAME constant for a CU Die. If the CU Die
> has a DW_AT_language_name attribute dwarf_language will return it and
> the DW_AT_language_version attribute value. Otherwise dwarf_language
> will lookup the
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