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Andrew Burgess c01660c625 gdb/riscv: Allow breakpoints to be created at invalid addresses
Some testsuite cases (gdb.cp/nsalias.exp for example) construct dwarf2
debug info for fake functions to test that this debug info is handled
correctly.

We currently get an error trying to read from an invalid address while
creating breakpoints for these fake functions.

Other targets allow creating breakpoints on invalid addresses, and
only error when GDB actually tries to insert the breakpoints.

In order to make RISC-V behave in the same way as other targets, this
commit makes the failure to read memory during breakpoint creation
non-fatal, we then expect to see a failure when GDB tries to insert
the breakpoint, just like other targets.

Tested with a riscv64-linux native testsuite run.

gdb/ChangeLog:

	* riscv-tdep.c (riscv_breakpoint_kind_from_pc): Hanndle case where
	code read might fail, assume 4-byte breakpoint in that case.
2019-04-17 00:45:22 +01:00
bfd Automatic date update in version.in 2019-04-16 00:00:22 +00:00
binutils ns32k testsuite tidy 2019-04-16 19:59:55 +09:30
config
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elfcpp [binutils, ARM, 10/16] BFCSEL infrastructure with new global reloc R_ARM_THM_BF12 2019-04-15 12:31:34 +01:00
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gas xfail gas weakref1 test for nds32 2019-04-16 21:37:38 +09:30
gdb gdb/riscv: Allow breakpoints to be created at invalid addresses 2019-04-17 00:45:22 +01:00
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include [binutils, ARM, 10/16] BFCSEL infrastructure with new global reloc R_ARM_THM_BF12 2019-04-15 12:31:34 +01:00
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ld ns32k testsuite tidy 2019-04-16 19:59:55 +09:30
libdecnumber
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opcodes [binutils, ARM, 16/16] Add support to VLDR and VSTR of system registers 2019-04-15 12:32:01 +01:00
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sim sim: Use host not target byte order for merging and splitting values 2019-04-13 22:21:14 +01:00
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		   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
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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.