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Tom Tromey 4320a9c921 Correctly handle DIE parent computations
Tom de Vries pointed out that the combination of sharding,
multi-threading, and per-CU "racing" means that sometimes a cross-CU
DIE reference might not be correctly resolved.  However, it's
important to handle this correctly, due to some unfortunate aspects of
DWARF.

This patch implements this by arranging to preserve each worker's DIE
map through the end of index finalization.  The extra data is
discarded when finalization is done.  This approach also allows the
parent name resolution to be sharded, by integrating it into the
existing entry finalization loop.

In an earlier review, I remarked that addrmap couldn't be used here.
However, I was mistaken.  A *mutable* addrmap cannot be used, as those
are based on splay trees and restructure the tree even during lookups
(and thus aren't thread-safe).  A fixed addrmap, on the other hand, is
just a vector and is thread-safe.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30846
2024-04-16 11:54:46 -06:00
bfd Fix test for sections with different VMA<->LMA relationships so that it only applies to allocated sections, and only sections in the same segment are checked. 2024-04-16 17:54:13 +01:00
binutils Remove accidental commit of an experimental change 2024-04-16 15:06:34 +01:00
config mmap: Avoid the sanitizer configure check failure 2024-04-10 03:57:02 -07:00
contrib contrib: sync dg-extract-results.sh with GCC 2024-03-12 15:49:25 +00:00
cpu PR21739, Inconsistent diagnostics 2024-02-29 21:07:04 +10:30
elfcpp
etc
gas x86: Fix a memory leak in md_assemble 2024-04-16 06:32:33 -07:00
gdb Correctly handle DIE parent computations 2024-04-16 11:54:46 -06:00
gdbserver gdb, gdbserver: Add missing install-dvi Makefile target 2024-04-10 13:37:05 +00:00
gdbsupport gdb, gdbserver, gdbsupport: remove includes of early headers 2024-03-26 21:13:22 -04:00
gnulib gnulib: re-generate build files 2024-03-11 22:42:56 -04:00
gold Add missing install-dvi and install-ps Makefie targets. 2024-04-05 07:02:56 +00:00
gprof Add missing install-dvi and install-ps Makefie targets. 2024-04-05 07:02:56 +00:00
gprofng gprofng: Fix dvi documentation build rule 2024-04-15 09:51:19 +00:00
include RISC-V: Support Zcmp push/pop instructions. 2024-04-09 15:56:12 +08:00
ld Simplify readelf's RELR relocation display. 2024-04-16 13:17:35 +01:00
libbacktrace Sync libbacktrace from gcc [PR31327] 2024-03-11 23:10:33 +00:00
libctf mmap: Avoid the sanitizer configure check failure 2024-04-10 03:57:46 -07:00
libdecnumber
libiberty mmap: Avoid the sanitizer configure check failure 2024-04-10 03:57:02 -07:00
libsframe mmap: Avoid the sanitizer configure check failure 2024-04-10 03:57:46 -07:00
opcodes aarch64: Treat operand "SME list of ZA tiles" as immediate (PR 31561) 2024-04-09 17:21:53 +02:00
readline
sim sim: riscv: Fix confusion with c.jal vs. c.addiw 2024-04-15 11:04:07 +02:00
texinfo
zlib mmap: Avoid the sanitizer configure check failure 2024-04-10 03:57:02 -07:00
.cvsignore
.editorconfig
.gitattributes
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.pre-commit-config.yaml Add flake8 and isort to .pre-commit-config.yaml 2024-04-04 06:43:39 -06:00
ar-lib
ChangeLog .pre-commit-config.yaml: bump black hook to 24.3.0 2024-03-20 14:44:16 -04:00
compile
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libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS Fix compiling bfd/vms-lib.c for a 32-bit host. 2024-03-18 10:26:16 +00:00
Makefile.def Revert "Pass GUILE down to subdirectories" 2024-03-22 11:07:28 -06:00
Makefile.in Revert "Pass GUILE down to subdirectories" 2024-03-22 11:07:28 -06:00
Makefile.tpl Revert "Pass GUILE down to subdirectories" 2024-03-22 11:07:28 -06:00
makefile.vms
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		   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.