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(none)!davidm 172cc2ba9b If UNW_REMOTE_ONLY is defined, make unw_init_local() a stub that 
unconditionally returns -UNW_EINVAL.

(access_reg): IP is now read via UNW_IA64_IP (instead of
	UNW_IA64_BR+0).  CFM is now read via UNW_IA64_CFM
	instead of UNW_IA64_AR_PFS.  For UNW_IA64_AR_BSP
	(and UNW_IA64_AR_BSPSTORE), adjust the pointer so
	that it points to the first stacked register in
	the current frame.
(resume): "rp_loc" has been renamed to "ip_loc".
(unw_init_local): Add an #error directive to prevent compilation
	with UNW_LOCAL_ONLY until this case has been implemented.

(Logical change 1.5)
2002-02-22 21:58:53 +00:00
BitKeeper/etc Added src/Makefile.bak src/ia64/init.o src/ia64/offsets.h~ src/ia64/parser.o src/ia64/regs.o src/ia64/script.o src/ia64/unw_get_reg.o src/ia64/unw_init_local.o src/ia64/unw_init_remote.o src/ia64/unw_resume.o src/ia64/unw_set_reg.o src/ia64/unw_step.o src/libunwind.a to the ignore list 2002-02-22 21:58:53 +00:00
include (unw_tdep_word_t): New type. 2002-02-22 21:58:53 +00:00
src If UNW_REMOTE_ONLY is defined, make unw_init_local() a stub that 2002-02-22 21:58:53 +00:00
ChangeLog (Logical change 1.3) 2002-02-15 23:22:05 +00:00
ChangeSet Initial revision 2002-02-15 18:20:10 +00:00
COPYING (Logical change 1.3) 2002-02-15 23:22:05 +00:00
NOTES (Logical change 1.3) 2002-02-15 23:22:05 +00:00
README (Logical change 1.3) 2002-02-15 23:22:05 +00:00

README 

This is version 0.0 of the unwind library.  At the moment, only the
IA-64 Linux (IPF Linux) platform is supported and even that support
has received only light testing.  Consequently, this release is
intended primarily to expose the unwind API to more developers and to
collect feedback on what does and does not work.  Having said that,
backtracing through gcc-generated code might work reasonably well.

There is virtually no documentation at the moment.  A brief outline of
the unwind API is in file NOTES.  To get a feel for how things are
intended to work, you may also want to take a look at include/unwind.h
and include/unwind-ia64.h.  Finally, the test program in
src/tests/bt.c shows two ways of how to do a simple backtrace: one
uses libunwind directly, the other uses a libunwind-based
implementation of the backtrace() function.  The test program in
src/tests/exc.c shows the basics of how to do exception handling with
this library.

The following steps should be used to compile and install this library:

	$ cd src
	$ make dep
	$ make
	$ make install prefix=PREFIX

where PREFIX is the installation prefix.  By default, a prefix of /usr
is used, such that libunwind.a is installed in /usr/lib and unwind.h
is installed in /usr/include.  For testing, you may want to use a
prefix of /usr/local instead.

Please direct all questions regarding this library to:

	libunwind@linux.hpl.hp.com

For spam protection, you'll have to subscribe to this list before
posting a question.  You can do this by sending a mail to
libunwind-request@linux.hpl.hp.com with a body of:

	subscribe libunwind

Note: the host that is running this list is behind a firewall, so
you'll not be able to use the Web interface to manage your
subscription.  Send a mail containing "help" to
libunwind-request@linux.hpl.hp.com for information on how to manage
your subscription via email.

	--david