mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-01-18 12:24:38 +08:00
cc9be6af06
Currently there is a problem when debugging optimized code when the inferior stops at an inline sub-range end PC. It is unclear if that location is from the inline function or from the calling function. Therefore the call stack is often wrong. This patch detects the "weak" line table entries which are likely part of the previous inline block, and if we have such a location, it assumes the location belongs to the previous block. Additionally it may happen that the infrun machinery steps from one inline range to another inline range of the same inline function. That can look like jumping back and forth from the calling program to the inline function, while really the inline function just jumps from a hot to a cold section of the code, i.e. error handling. Additionally it may happen that one inline sub-range is empty or the inline is completely empty. But filtering that information away is not the right solution, since although there is no actual code from the inline, it is still possible that variables from an inline function can be inspected here. The issue with the empty ranges is also discussed here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94474 Conceptually this patch uses a heuristic to work around a deficiency in the dwarf-4 and dwarf-5 rnglists structure. There should be a location view number for each inline sub-range begin PC and end PC, similar to the DW_AT_GNU_entry_view which is the location view for the inline entry point. |
||
---|---|---|
bfd | ||
binutils | ||
config | ||
contrib | ||
cpu | ||
elfcpp | ||
etc | ||
gas | ||
gdb | ||
gdbserver | ||
gdbsupport | ||
gnulib | ||
gold | ||
gprof | ||
gprofng | ||
include | ||
ld | ||
libbacktrace | ||
libctf | ||
libdecnumber | ||
libiberty | ||
libsframe | ||
opcodes | ||
readline | ||
sim | ||
texinfo | ||
zlib | ||
.cvsignore | ||
.editorconfig | ||
.gitattributes | ||
.gitignore | ||
.pre-commit-config.yaml | ||
ar-lib | ||
ChangeLog | ||
compile | ||
config-ml.in | ||
config.guess | ||
config.rpath | ||
config.sub | ||
configure | ||
configure.ac | ||
COPYING | ||
COPYING3 | ||
COPYING3.LIB | ||
COPYING.LIB | ||
COPYING.LIBGLOSS | ||
COPYING.NEWLIB | ||
depcomp | ||
djunpack.bat | ||
install-sh | ||
libtool.m4 | ||
lt~obsolete.m4 | ||
ltgcc.m4 | ||
ltmain.sh | ||
ltoptions.m4 | ||
ltsugar.m4 | ||
ltversion.m4 | ||
MAINTAINERS | ||
Makefile.def | ||
Makefile.in | ||
Makefile.tpl | ||
makefile.vms | ||
missing | ||
mkdep | ||
mkinstalldirs | ||
move-if-change | ||
multilib.am | ||
README | ||
README-maintainer-mode | ||
SECURITY.txt | ||
setup.com | ||
src-release.sh | ||
symlink-tree | ||
test-driver | ||
ylwrap |
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.