diff options
Diffstat (limited to 'gdb')
-rw-r--r-- | gdb/doc/gdb.texinfo | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 790b006..398f500 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -990,7 +990,7 @@ Add @var{directory} to the path to search for source files. supported on all systems.}@* If memory-mapped files are available on your system through the @code{mmap} system call, you can use this option -to cause _GDBN__ to write the symbols from your +to have _GDBN__ write the symbols from your program into a reusable file in the current directory. If the program you are debugging is called @file{/tmp/fred}, the mapped symbol file will be @file{./fred.syms}. Future _GDBN__ debugging sessions will notice the presence of this file, @@ -2112,8 +2112,11 @@ the breakpoints are conditional, this is even useful _GDBN__ itself sometimes sets breakpoints in your program for special purposes, such as proper handling of @code{longjmp} (in C programs). These internal breakpoints are assigned negative numbers, starting with -@code{-1}; @samp{info breakpoints} does not display them, but the -similar command @samp{info all-breakpoints} does. +@code{-1}; @samp{info breakpoints} does not display them. +@ignore +@c FIXME! Moved to maint; doc when maint details avail. +You can see these breakpoints with the _GDBN__ maintenance command +@samp{maint info breakpoints}. @table @code @kindex all-breakpoints @@ -2146,6 +2149,7 @@ Temporary internal breakpoint used by the _GDBN__ @code{finish} command. @end table @end table +@end ignore @node Set Watchpoints, Exception Handling, Set Breaks, Breakpoints @@ -4569,8 +4573,11 @@ source files, and examining their extensions: Modula-2 source file @item *.c +C source file + +@item *.C @itemx *.cc -C or C++ source file. +C++ source file @end table This information is recorded for each function or procedure in a source @@ -4778,8 +4785,7 @@ being set automatically by _GDBN__. @node Support, , Checks, Languages @section Supported Languages -_GDBN__ 4 supports C, C++, and Modula-2. The syntax for C and C++ is so -closely related that _GDBN__ does not distinguish the two. Some _GDBN__ +_GDBN__ 4 supports C, C++, and Modula-2. Some _GDBN__ features may be used in expressions regardless of the language you use: the _GDBN__ @code{@@} and @code{::} operators, and the @samp{@{type@}addr} construct (@pxref{Expressions, ,Expressions}) can be @@ -4803,9 +4809,9 @@ look to these for a language reference or tutorial. @cindex C and C++ @cindex expressions in C or C++ -Since C and C++ are so closely related, _GDBN__ does not distinguish -between them when interpreting the expressions recognized in _GDBN__ -commands. +Since C and C++ are so closely related, many features of _GDBN__ apply +to both languages. Whenever this is the case, we discuss both languages +together. @cindex C++ @kindex g++ @@ -5097,12 +5103,12 @@ debugging (@pxref{Variables, ,Program Variables}). If you allow _GDBN__ to set type and range checking automatically, they both default to @code{off} whenever the working language changes to -C/C++. This happens regardless of whether you, or _GDBN__, +C or C++. This happens regardless of whether you, or _GDBN__, selected the working language. If you allow _GDBN__ to set the language automatically, it sets the -working language to C/C++ on entering code compiled from a source file -whose name ends with @file{.c} or @file{.cc}. +working language to C or C++ on entering code compiled from a source file +whose name ends with @file{.c}, @file{.C}, or @file{.cc}. @xref{Automatically, ,Having _GDBN__ infer the source language}, for further details. @@ -5786,6 +5792,9 @@ from the @code{ptype} command can be overwhelming and hard to use. The which match the regular-expression @var{regexp}. @end ignore +@ignore +@c FIXME!! The following have been subsumed into a new "maint" command. +@c restore descriptions in right place when details of maint available. @item printsyms @var{filename} @itemx printpsyms @var{filename} @itemx printmsyms @var{filename} @@ -5808,6 +5817,7 @@ each object file from which _GDBN__ has read some symbols. The description of @code{symbol-file} explains how _GDBN__ reads symbols; both @code{info source} and @code{symbol-file} are described in @ref{Files, ,Commands to Specify Files}. +@end ignore @end table @node Altering, _GDBN__ Files, Symbols, Top |