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Simplify the structure of s390_push_dummy_call and its various helper functions. This reduces the code and makes it easier to extend. The new code should be functionally equivalent to the old one, except that copies created by the caller are now always aligned on an 8-byte boundary. gdb/ChangeLog: * s390-linux-tdep.c (is_float_singleton): Remove function. Move the "singleton" part of the logic... (s390_effective_inner_type): ...here. New function. (is_float_like): Remove function. Inline its logic... (s390_function_arg_float): ...here. (is_pointer_like, is_integer_like, is_struct_like): Remove functions. Inline their logic... (s390_function_arg_integer): ...here. (s390_function_arg_pass_by_reference): Remove function. (extend_simple_arg): Remove function. (alignment_of): Remove function. (struct s390_arg_state): New structure. (s390_handle_arg): New function. (s390_push_dummy_call): Move parameter placement logic to the new function s390_handle_arg. Call it for calculating the stack area sizes first, and again for actually writing the parameters.
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.