What has changed in GDB?
(Organized release by release)
-*** Changes since GDB 6.1:
+*** Changes since GDB 6.3
+
+* New native configurations
+
+OpenBSD/mips64 mips64-*-openbsd*
+
+* Deprecated commands removed
+
+The following commands, that were deprecated in 2000, have been
+removed:
+
+ Command Replacement
+ set|show arm disassembly-flavor set|show arm disassembler
+ othernames set arm disassembler
+ set|show remotedebug set|show debug remote
+ set|show archdebug set|show debug arch
+ set|show eventdebug set|show debug event
+ regs info registers
+
+* New BSD user-level threads support
+
+It is now possible to debug programs using the user-level threads
+library on OpenBSD and FreeBSD. Currently supported (target)
+configurations are:
+
+FreeBSD/amd64 x86_64-*-freebsd*
+FreeBSD/i386 i386-*-freebsd*
+OpenBSD/i386 i386-*-openbsd*
+
+Note that the new kernel threads libraries introduced in FreeBSD 5.x
+are not yet supported.
+
+* New support for Matsushita MN10300 w/sim added
+(Work in progress). mn10300-elf.
+
+* REMOVED configurations and files
+
+VxWorks and the XDR protocol *-*-vxworks
+Renesas H8/300S h8300*-*-*
+Motorola MCORE mcore-*-*
+Matsushita MN10300 w/simulator mn10300-*-*
+National Semiconductor NS32000 ns32k-*-*
+NEC V850 v850-*-*
+
+*** Changes in GDB 6.3:
+
+* New command line option
+
+GDB now accepts -l followed by a number to set the timeout for remote
+debugging.
+
+* GDB works with GCC -feliminate-dwarf2-dups
+
+GDB now supports a more compact representation of DWARF-2 debug
+information using DW_FORM_ref_addr references. These are produced
+by GCC with the option -feliminate-dwarf2-dups and also by some
+proprietary compilers. With GCC, you must use GCC 3.3.4 or later
+to use -feliminate-dwarf2-dups.
+
+* Internationalization
+
+When supported by the host system, GDB will be built with
+internationalization (libintl). The task of marking up the sources is
+continued, we're looking forward to our first translation.
+
+* Ada
+
+Initial support for debugging programs compiled with the GNAT
+implementation of the Ada programming language has been integrated
+into GDB. In this release, support is limited to expression evaluation.
+
+* New native configurations
+
+GNU/Linux/m32r m32r-*-linux-gnu
+
+* Remote 'p' packet
+
+GDB's remote protocol now includes support for the 'p' packet. This
+packet is used to fetch individual registers from a remote inferior.
+
+* END-OF-LIFE registers[] compatibility module
+
+GDB's internal register infrastructure has been completely rewritten.
+The new infrastructure making possible the implementation of key new
+features including 32x64 (e.g., 64-bit amd64 GDB debugging a 32-bit
+i386 application).
+
+GDB 6.3 will be the last release to include the the registers[]
+compatibility module that allowed out-of-date configurations to
+continue to work. This change directly impacts the following
+configurations:
+
+hppa-*-hpux
+ia64-*-aix
+mips-*-irix*
+*-*-lynx
+mips-*-linux-gnu
+sds protocol
+xdr protocol
+powerpc bdm protocol
+
+Unless there is activity to revive these configurations, they will be
+made OBSOLETE in GDB 6.4, and REMOVED from GDB 6.5.
+
+* OBSOLETE configurations and files
+
+Configurations that have been declared obsolete in this release have
+been commented out. Unless there is activity to revive these
+configurations, the next release of GDB will have their sources
+permanently REMOVED.
+
+h8300-*-*
+mcore-*-*
+mn10300-*-*
+ns32k-*-*
+sh64-*-*
+v850-*-*
+
+*** Changes in GDB 6.2.1:
+
+* MIPS `break main; run' gave an heuristic-fence-post warning
+
+When attempting to run even a simple program, a warning about
+heuristic-fence-post being hit would be reported. This problem has
+been fixed.
+
+* MIPS IRIX 'long double' crashed GDB
+
+When examining a long double variable, GDB would get a segmentation
+fault. The crash has been fixed (but GDB 6.2 cannot correctly examine
+IRIX long double values).
+
+* VAX and "next"
+
+A bug in the VAX stack code was causing problems with the "next"
+command. This problem has been fixed.
+
+*** Changes in GDB 6.2:
+
+* Fix for ``many threads''
+
+On GNU/Linux systems that use the NPTL threads library, a program
+rapidly creating and deleting threads would confuse GDB leading to the
+error message:
+
+ ptrace: No such process.
+ thread_db_get_info: cannot get thread info: generic error
+
+This problem has been fixed.
+
+* "-async" and "-noasync" options removed.
+
+Support for the broken "-noasync" option has been removed (it caused
+GDB to dump core).
* New ``start'' command.
This command runs the program until the begining of the main procedure.
+* New BSD Kernel Data Access Library (libkvm) interface
+
+Using ``target kvm'' it is now possible to debug kernel core dumps and
+live kernel memory images on various FreeBSD, NetBSD and OpenBSD
+platforms. Currently supported (native-only) configurations are:
+
+FreeBSD/amd64 x86_64-*-freebsd*
+FreeBSD/i386 i?86-*-freebsd*
+NetBSD/i386 i?86-*-netbsd*
+NetBSD/m68k m68*-*-netbsd*
+NetBSD/sparc sparc-*-netbsd*
+OpenBSD/amd64 x86_64-*-openbsd*
+OpenBSD/i386 i?86-*-openbsd*
+OpenBSD/m68k m68*-openbsd*
+OpenBSD/sparc sparc-*-openbsd*
+
* Signal trampoline code overhauled
Many generic problems with GDB's signal handling code have been fixed.
call; backtrace through a signal trampoline; step into and out of
signal handlers; and single-stepping in the signal trampoline.
-These fixes were tested on i386 GNU/Linux systems that include a 2.4
-kernel.
+Please note that kernel bugs are a limiting factor here. These
+features have been shown to work on an s390 GNU/Linux system that
+include a 2.6.8-rc1 kernel. Ref PR breakpoints/1702.
* Cygwin support for DWARF 2 added.
NetBSD/vax vax-*-netbsd*
OpenBSD/vax vax-*-openbsd*
+* END-OF-LIFE frame compatibility module
+
+GDB's internal frame infrastructure has been completely rewritten.
+The new infrastructure making it possible to support key new features
+including DWARF 2 Call Frame Information. To aid in the task of
+migrating old configurations to this new infrastructure, a
+compatibility module, that allowed old configurations to continue to
+work, was also included.
+
+GDB 6.2 will be the last release to include this frame compatibility
+module. This change directly impacts the following configurations:
+
+h8300-*-*
+mcore-*-*
+mn10300-*-*
+ns32k-*-*
+sh64-*-*
+v850-*-*
+xstormy16-*-*
+
+Unless there is activity to revive these configurations, they will be
+made OBSOLETE in GDB 6.3, and REMOVED from GDB 6.4.
+
* REMOVED configurations and files
Sun 3, running SunOS 3 m68*-*-sunos3*