The latest version of GDB, version 8.3, is available for
download.
This version of GDB includes the following changes and
enhancements:
+ Support for new native configurations (also available as a
target configuration):
o RISC-V GNU/Linux (riscv*-*-linux*)
o RISC-V FreeBSD (riscv*-*-freebsd*)
+ Support for new target configurations:
o CSKY ELF (csky*-*-elf)
o CSKY GNU/Linux (csky*-*-linux)
o NXP S12Z ELF (s12z-*-elf)
o OpenRISC GNU/Linux (or1k*-*-linux*)
+ Native Windows debugging is only supported on Windows XP or
later.
+ The Python API in GDB now requires Python 2.6 or later.
+ GDB now supports terminal styling for the CLI and TUI. Source
highlighting is also supported by building GDB with GNU
Highlight.
+ Experimental support for compilation and injection of C++
source code into the inferior (requires GCC 7.1 or higher,
built with libcp1.so).
+ GDB and GDBserver now support IPv6 connections.
+ Target description support on RISC-V targets.
+ Various enhancements to several commands:
o "frame", "select-frame" and "info frame" commands
o "info functions", "info types", "info variables"
o "info thread"
o "info proc"
o System call alias catchpoint support on FreeBSD
o "target remote" support for Unix Domain sockets.
+ Support for displaying all files opened by a process
+ DWARF index cache: GDB can now automatically save indices of
DWARF symbols on disk to speed up further loading of the same
binaries.
+ Various GDB/MI enhancements.
+ GDBserver on PowerPC GNU/Linux now supports access to the PPR,
DSCR, TAR, EBB/PMU, and HTM registers.
+ Ada task switching support when debugging programs built with
the Ravenscar profile added to aarch64-elf.
+ GDB in batch mode now exits with status 1 if the last executed
command failed.
+ Support for building GDB with GCC's Undefined Behavior
Sanitizer.
See the NEWS file for a more complete and detailed list of what
this release includes.
February 27th, 2019: GDB 8.3 branch created
The GDB 8.3 branch (gdb-8.3-branch) has been created. To check
out a copy of the branch use:
git clone --branch gdb-8.3-branch ssh://sourceware.org/git/binutils-gdb.git
December 23rd, 2018: GDB 8.2.1 Released!
The latest version of GDB, version 8.2.1, is available for
download.
This is a minor corrective release over GDB 8.2, fixing the
following issues:
+ PR build/23516 (gdb build error under msys+mingw: strip can't
handle gdb-add-index.exe)
+ PR build/23623 (install-strip fails)
+ PR rust/23626 (gdb crashes in upstream rust nil-enum test)
+ PR rust/23650 (rust field name access error mentions "foo")
+ PR gdb/23663 (gdb 8.1.1: undefined rpl_stat function with musl
toolchains)
+ PR python/23669 (gdb.execute("show commands") doesn't work)
+ PR python/23714 (Command repetition stops working after
gdb.execute)
+ PR gdb/23838 (8.2 regression for invalid -data-directory)
+ PR gdb/23974 ("info os" crash when specifying invalid object)
+ PR gdb/23999 (SYMBOL_LANGUAGE assertion failure on AIX)
+ PR gdb/24003 (Error when binary searching CUs for a specific
DIE when using DWZ)
September 5th, 2018: GDB 8.2 Released!
The latest version of GDB, version 8.2, is available for
download.
This version of GDB includes the following changes and
enhancements:
+ Support for the following target has been added:
o RiscV ELF (riscv*-*-elf)
+ Support for following targets and native configurations has
been removed:
o m88k running OpenBSD (m88*-*-openbsd*)
o SH-5/SH64 ELF (sh64-*-elf*)
o SH-5/SH64 (sh*)
o SH-5/SH64 running GNU/Linux (sh*-*-linux*)
o SH-5/SH64 running OpenBSD (sh*-*-openbsd*)
+ Various Python API enhancements
+ Aarch64/Linux enhancements:
o SVE support.
o Hardware watchpoints improvements for entities stored at
unaligned addresses.
# New "c" response to disable the pager for the rest
of the current command.
# C expressions can now use _Alignof, and C++
expressions can now use alignof.
# Improved flexibility for loading symbol files.
# The 'info proc' command nows works on running
processes on FreeBSD systems as well as core files
created on FreeBSD systems.
# A new --enable-codesign=CERT configure option to
automatically codesign GDB after build (useful on
MacOS X).
See the NEWS file for a more complete and detailed list
of what this release includes.
July 31st, 2018: GDB 8.1.1 Released!
The latest version of GDB, version 8.1.1, is available
for download.
This is a minor corrective release over GDB 8.1, fixing
the following issues:
# PR gdb/22824 (misleading description of new rbreak
Python function in GDB 8.1 NEWS file)
# PR gdb/22849 (ctrl-c doesn't work in
extended-remote)
# PR gdb/22907 ([Regression] gdbserver doesn't work
with filename-only binaries)
# PR gdb/23028 (inconsistent disassemble of vcvtpd2dq)
# PR gdb/23053 (Fix -D_GLIBCXX_DEBUG gdb-add-index
regression)
# PR gdb/23127 ([AArch64] GDB cannot be used for
debugging software that uses high Virtual Addresses)
# PR server/23158 (gdbserver no longer functional on
Windows)
# PR breakpoints/23210 ([8.1/8.2 Regression] Bogus
Breakpoint address adjusted from 0xf7fe7dd3 to
0xfffffffff7fe7dd3)
July 4th, 2018: GDB 8.2 branch created
The GDB 8.2 branch (gdb-8.2-branch) has been created. To
check out a copy of the branch use:
git clone --branch gdb-8.2-branch ssh://sourceware.org/git/binutils-gdb.git
January 31st, 2018: GDB 8.1 Released!
The latest version of GDB, version 8.1, is available for
download.
Changes in this release include:
# Breakpoints on C++ functions are now set on all
scopes by default ("wild" matching);
# Support for inserting breakpoints on functions
marked with C++ ABI tags;
# Target floating-point arithmetic emulation during
expression evaluation (requires MPFR 3.1 or later);
# Various Python Scripting enhancements;
# Improved Rust support; in particular, Trait objects
can now be inspected when debugging Rust code;
# GDB no longer makes assumptions about the type of
symbols without debugging information to avoid
producing erroneous and often confusing results;
# The 'enable' and 'disable' commands now accept a
range of breakpoint locations;
# New 'starti' command to start the program at the
first instruction;
# New 'rbreak' command to insert a number of
breakpoints via a regular expression pattern
(requires Python);
# The 'ptype' command now supports printing the offset
and size of the fields in a struct;
# The 'gcore' command now supports dumping all the
memory mappings ('-a' command-line option);
# New shortcuts for TUI Single-Key mode: 'i' for
stepi, and 'o' for nexti;
# GDBserver enhancements:
@ Support for transmitting environment variables
to GDBserver;
@ Support for starting inferior processes with a
specified initial working directory;
@ On Unix systems, support for globbing expansion
and variable substitution of inferior
command-line arguments;
# Various completion enhancements;
# The command used to compile and inject code with the
'compile' command is now configurable;
# New '--readnever' command-line option to speed the
GDB startup when debugging information is not
needed;
# Support for the following new native configurations:
@ FreeBSD/aarch64 (aarch64*-*-freebsd*);
@ FreeBSD/arm (arm*-*-freebsd*);
# Support for the following new targets:
@ FreeBSD/aarch64 (aarch64*-*-freebsd*);
@ FreeBSD/arm (arm*-*-freebsd*);
@ OpenRISC ELF (or1k*-*-elf)
# Removed support for the following targets and native
configurations:
@ Solaris2/x86 (i?86-*-solaris2.[0-9]);
@ Solaris2/sparc (sparc*-*-solaris2.[0-9]);
See the NEWS file for a more complete and detailed list
of what this release includes.
January 5th, 2018: GDB 8.1 branch created
The GDB 8.1 branch (gdb-8.1-branch) has been created. To
check out a copy of the branch use:
git clone --branch gdb-8.1-branch ssh://sourceware.org/git/binutils-gdb.git
November 1st, 2017: Debugging Tools Devroom at FOSDEM 2018
We will have a Debugging Tools Devroom at FOSDEM 2018.
The Call for Participation has recently been announced.
The Devroom is on the first of the two FOSDEM days, on
Saturday 3 Feb 2018. See you all at FOSDEM in Brussels!
September 7th, 2017: GDB 8.0.1 Released!
The latest version of GDB, version 8.0.1, is available
for download.
This is a minor corrective release over GDB 8.0, fixing
the following issues:
# PR breakpoint/21886 (Compressed MIPS code debugging
impossible due to memory breakpoint misplacement)
# PR symtab/22002 (Assertion on debuggee built with
-gdwarf-5 -fdebug-types-section)
GDB News (p6 of 30)
# PR symtab/22003 (Incompatibility with -gdwarf-5 -
DW_FORM_implicit_const)
# PR gdb/22046 (Regression on older kernels for T
(stopped) processes)
# PR sim/20863 (gdb-7.12 powerpc-rtems4.12-gdb does
not build on FreeBSD)
# PR breakpoint/21555 ("error re-setting breakpoint"
on PIE executables)
# PR tdep/21717 ("print $fpscr" says "" until some VFP
data register is printed)
# PR exp/21827 (Regression: gdb command lookup became
case-sensitive; but definitions are forced into
lowercase)
# PR remote/22021 (Multi-arch exec fails with a remote
target)
