X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2FNEWS;h=5de0a33cce82bcef36dbe78f201f8e7bda2f081a;hb=52248d53383e2ff905bacb46b1c24c89b64ab42e;hp=6683bc0e969d0a0a8d68c32f68919f4a85d5c8a0;hpb=7f3c034326ce5d487e897826a12c3a4b9d457b49;p=platform%2Fupstream%2Fbinutils.git diff --git a/gdb/NEWS b/gdb/NEWS index 6683bc0..5de0a33 100644 --- a/gdb/NEWS +++ b/gdb/NEWS @@ -1,7 +1,58 @@ What has changed in GDB? (Organized release by release) -*** Changes since GDB 7.7 +*** Changes since GDB 7.8 + +* GDB now supports hardware watchpoints on x86 GNU Hurd. + +* Python Scripting + + ** You can now access frame registers from Python scripts. + ** New attribute 'producer' for gdb.Symtab objects. + +* New Python-based convenience functions: + + ** $_caller_is(name [, number_of_frames]) + ** $_caller_matches(regexp [, number_of_frames]) + ** $_any_caller_is(name [, number_of_frames]) + ** $_any_caller_matches(regexp [, number_of_frames]) + +* New commands + +queue-signal signal-name-or-number + Queue a signal to be delivered to the thread when it is resumed. + +* On resume, GDB now always passes the signal the program had stopped + for to the thread the signal was sent to, even if the user changed + threads before resuming. Previously GDB would often (but not + always) deliver the signal to the thread that happens to be current + at resume time. + +* Conversely, the "signal" command now consistently delivers the + requested signal to the current thread. GDB now asks for + confirmation if the program had stopped for a signal and the user + switched threads meanwhile. + +* "breakpoint always-inserted" modes "off" and "auto" merged. + + Now, when 'breakpoint always-inserted mode' is set to "off", GDB + won't remove breakpoints from the target until all threads stop, + even in non-stop mode. The "auto" mode has been removed, and "off" + is now the default mode. + +* MI changes + + ** The -list-thread-groups command outputs an exit-code field for + inferiors that have exited. + +* Removed targets + +Support for these obsolete configurations has been removed. + +mips-sgi-irix5* +mips-sgi-irix6* + +*** Changes in GDB 7.8 * New command line options @@ -71,6 +122,26 @@ set record btrace replay-memory-access (read-only|read-write) show record btrace replay-memory-access Control what memory accesses are allowed during replay. +maint set target-async (on|off) +maint show target-async + This controls whether GDB targets operate in syncronous or + asyncronous mode. Normally the default is asyncronous, if it is + available; but this can be changed to more easily debug problems + occurring only in syncronous mode. + +set mi-async (on|off) +show mi-async + Control whether MI asynchronous mode is preferred. This supersedes + "set target-async" of previous GDB versions. + +* "set target-async" is deprecated as a CLI option and is now an alias + for "set mi-async" (only puts MI into async mode). + +* Background execution commands (e.g., "c&", "s&", etc.) are now + possible ``out of the box'' if the target supports them. Previously + the user would need to explicitly enable the possibility with the + "set target-async on" command. + * New features in the GDB remote stub, GDBserver ** New option --debug-format=option1[,option2,...] allows one to add @@ -122,6 +193,12 @@ show record btrace replay-memory-access can be used to launch native programs even when "set auto-connect-native-target" is set to off. +* GDB now supports access to Intel(R) MPX registers on GNU/Linux. + +* Support for Intel(R) AVX-512 registers on GNU/Linux. + Support displaying and modifying Intel(R) AVX-512 registers + $zmm0 - $zmm31 and $k0 - $k7 on GNU/Linux. + * New remote packets qXfer:btrace:read's annex @@ -133,6 +210,11 @@ qXfer:btrace:read's annex ** Valid Python operations on gdb.Value objects representing structs/classes invoke the corresponding overloaded operators if available. + ** New `Xmethods' feature in the Python API. Xmethods are + additional methods or replacements for existing methods of a C++ + class. This feature is useful for those cases where a method + defined in C++ source code could be inlined or optimized out by + the compiler, making it unavailable to GDB. * New targets PowerPC64 GNU/Linux little-endian powerpc64le-*-linux* @@ -145,6 +227,17 @@ PowerPC64 GNU/Linux little-endian powerpc64le-*-linux* supported. Use "set serial baud" and "show serial baud" (respectively) instead. +* MI changes + + ** A new option "-gdb-set mi-async" replaces "-gdb-set + target-async". The latter is left as a deprecated alias of the + former for backward compatibility. If the target supports it, + CLI background execution commands are now always possible by + default, independently of whether the frontend stated a + preference for asynchronous execution with "-gdb-set mi-async". + Previously "-gdb-set target-async off" affected both MI execution + commands and CLI execution commands. + *** Changes in GDB 7.7 * Improved support for process record-replay and reverse debugging on @@ -5732,10 +5825,3 @@ GDB now handles cross debugging. If you are remotely debugging between two different machines, type ``./configure host -target=targ''. Host is the machine where GDB will run; targ is the machine where the program that you are debugging will run. - - * GDB now supports access to Intel(R) MPX registers on GNU/Linux. - - * Support for Intel(R) AVX-512 registers on GNU/Linux. - -Support displaying and modifying Intel(R) AVX-512 registers $zmm0 - $zmm31 and -$k0 - $k7 on GNU/Linux.