X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2FNEWS;h=b21b2cbb4787103d91c0fb9e7e8e47fd9c9ec9d7;hb=2e62ab400ff96334c92e5acf0a462cb9dc0d19a7;hp=cc7c35c06428ff46b8197d56ca32e8722d9b5df4;hpb=742a7df5f4a149f0818aaccfc432c4c0c9a6e26d;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/NEWS b/gdb/NEWS
index cc7c35c064..b21b2cbb47 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -3,6 +3,51 @@
 
 *** Changes since GDB 8.3
 
+* New built-in convenience variables $_gdb_major and $_gdb_minor
+  provide the GDB version.  They are handy for conditionally using
+  features available only in or since specific GDB versions, in
+  scripts that should work error-free with many different versions,
+  such as in system-wide init files.
+
+* GDB now supports Thread Local Storage (TLS) variables on several
+  FreeBSD architectures (amd64, i386, powerpc, riscv).  Other
+  architectures require kernel changes.  TLS is not yet supported for
+  amd64 and i386 process core dumps.
+
+* Support for Pointer Authentication on AArch64 Linux.
+
+* Two new convernience functions $_cimag and $_creal that extract the
+  imaginary and real parts respectively from complex numbers.
+
+* New commands
+
+set print max-depth
+show print max-depth
+  Allows deeply nested structures to be simplified when printing by
+  replacing deeply nested parts (beyond the max-depth) with ellipses.
+  The default max-depth is 20, but this can be set to unlimited to get
+  the old behavior back.
+
+* Python API
+
+  ** The gdb.Value type has a new method 'format_string' which returns a
+     string representing the value.  The formatting is controlled by the
+     optional keyword arguments: 'raw', 'pretty_arrays', 'pretty_structs',
+     'array_indexes', 'symbols', 'unions', 'deref_refs', 'actual_objects',
+     'static_members', 'max_elements', 'repeat_threshold', and 'format'.
+
+* New commands
+
+set may-call-functions [on|off]
+show may-call-functions
+  This controls whether GDB will attempt to call functions in
+  the program, such as with expressions in the print command.  It
+  defaults to on.  Calling functions in the program being debugged
+  can have undesired side effects.  It is now possible to forbid
+  such function calls.  If function calls are forbidden, GDB will throw
+  an error when a command (such as print expression) calls a function
+  in the program.
+
 *** Changes in GDB 8.3
 
 * GDB and GDBserver now support access to additional registers on
@@ -55,11 +100,6 @@
 * Removed support for old demangling styles arm, edg, gnu, hp and
   lucid.
 
-* New targets
-
-  NXP S12Z		s12z-*-elf
-  GNU/Linux/OpenRISC	or1k*-*-linux*
-
 * New commands
 
 set debug compile-cplus-types
@@ -145,6 +185,12 @@ show style enabled
   Enable or disable terminal styling.  Styling is enabled by default
   on most hosts, but disabled by default when in batch mode.
 
+set style sources [on|off]
+show style sources
+  Enable or disable source code styling.  Source code styling is
+  enabled by default, but only takes effect if styling in general is
+  enabled, and if GDB was linked with GNU Source Highlight.
+
 set style filename foreground COLOR
 set style filename background COLOR
 set style filename intensity VALUE
@@ -167,6 +213,8 @@ set style address intensity VALUE
 
 * MI changes
 
+  ** The default version of the MI interpreter is now 3 (-i=mi3).
+
   ** The '-data-disassemble' MI command now accepts an '-a' option to
      disassemble the whole function surrounding the given program
      counter value or function name.  Support for this feature can be
@@ -176,6 +224,18 @@ set style address intensity VALUE
   ** Command responses and notifications that include a frame now include
      the frame's architecture in a new "arch" attribute.
 
+  ** The output of information about multi-location breakpoints (which is
+     syntactically incorrect in MI 2) has changed in MI 3.  This affects
+     the following commands and events:
+
+	- -break-insert
+	- -break-info
+	- =breakpoint-created
+	- =breakpoint-modified
+
+     The -fix-multi-location-breakpoint-output command can be used to enable
+     this behavior with previous MI versions.
+
 * New native configurations
 
 GNU/Linux/RISC-V		riscv*-*-linux*
@@ -187,6 +247,8 @@ GNU/Linux/RISC-V		riscv*-*-linux*
 CSKY ELF			csky*-*-elf
 CSKY GNU/LINUX			csky*-*-linux
 FreeBSD/riscv			riscv*-*-freebsd*
+NXP S12Z			s12z-*-elf
+GNU/Linux/OpenRISC		or1k*-*-linux*
 
 * Removed targets