* read.c (read_symbol_name): New function. Reads a symbol names.

[deliverable/binutils-gdb.git] / gas / doc / c-s390.texi

diff --git a/gas/doc/c-s390.texi b/gas/doc/c-s390.texi
index 9408cb27c01d9c413ce04c2072ffea334c67aed3..79713277ca4e8435b3e9cbbbe2afb29b0c1b2b4e 100644 (file)
--- a/gas/doc/c-s390.texi
+++ b/gas/doc/c-s390.texi
@@ -1,4 +1,4 @@
-@c Copyright 2009
+@c Copyright 2009, 2011
 @c Free Software Foundation, Inc.
 @c This is part of the GAS manual.
 @c For copying conditions, see the file as.texinfo.
@@ -17,7 +17,7 @@
 The s390 version of @code{@value{AS}} supports two architectures modes
 and seven chip levels. The architecture modes are the Enterprise System
 Architecture (ESA) and the newer z/Architecture mode. The chip levels
-are g5, g6, z900, z990, z9-109, z9-ec and z10.
+are g5, g6, z900, z990, z9-109, z9-ec, z10 and z196.
 
 @menu
 * s390 Options::                Command-line Options.
@@ -64,8 +64,9 @@ are recognized:
 @code{z900},
 @code{z990},
 @code{z9-109},
-@code{z9-ec} and
-@code{z10}.
+@code{z9-ec},
+@code{z10} and
+@code{z196}.
 Assembling an instruction that is not supported on the target processor
 results in an error message. Do not specify @code{g5} or @code{g6}
 with @samp{-mzarch}.
@@ -93,6 +94,17 @@ register 0 as an address register.
 
 @samp{#} is the line comment character.
 
+If a @samp{#} appears as the first character of a line then the whole
+line is treated as a comment, but in this case the line could also be
+a logical line number directive (@pxref{Comments}) or a preprocessor
+control command (@pxref{Preprocessing}).
+
+@cindex line separator, s390
+@cindex statement separator, s390
+@cindex s390 line separator
+The @samp{;} character can be used instead of a newline to separate
+statements.
+
 @node s390 Syntax
 @section Instruction syntax
 @cindex instruction syntax, s390
@@ -850,6 +862,17 @@ ELF extension documentation @samp{ELF Handling For Thread-Local Storage}.
 @item .ltorg
 This directive causes the current contents of the literal pool to be
 dumped to the current location (@ref{s390 Literal Pool Entries}).
+
+@cindex @code{.machine} directive, s390
+@item .machine string
+This directive allows you to change the machine for which code is
+generated.  @code{string} may be any of the @code{-march=} selection
+options (without the -march=), @code{push}, or @code{pop}.
+@code{.machine push} saves the currently selected cpu, which may be
+restored with @code{.machine pop}.  Be aware that the cpu string has
+to be put into double quotes in case it contains characters not
+appropriate for identifiers.  So you have to write @code{"z9-109"}
+instead of just @code{z9-109}.
 @end table
 
 @node s390 Floating Point