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Anton Kolesov fe5f7374be arc: Add prologue analysis 
Add a prologue analysis that recognizes all instructions that may happen in
compiler-generated prologue, including various stores, core register moves,
subtraction and ENTER_S instruction that does a lot of prologue actions through
microcode.

Testcases cover various prologue scenarios, including instructions that are
spread across multiple 16-bit encodings (for example there are 7 encodings of
store instruction).

gdb/ChangeLog:

yyyy-mm-dd  Anton Kolesov  <anton.kolesov@synopsys.com>

	* arc-tdep.c (arc_frame_cache): Add support for prologue analysis.
	(arc_skip_prologue): Likewise.
	(arc_make_frame_cache): Likewise.
	(arc_pv_get_operand): New function.
	(arc_is_in_prologue): Likewise.
	(arc_analyze_prologue): Likewise.
	(arc_print_frame_cache): Likewise.
	(MAX_PROLOGUE_LENGTH): New constant.

gdb/doc/ChangeLog:

yyyy-mm-dd  Anton Kolesov  <anton.kolesov@synopsys.com>

	* gdb.texinfo (Synopsys ARC): Document "set debug arc 2".

gdb/testsuite/ChangeLog:

yyyy-mm-dd  Anton Kolesov  <anton.kolesov@synopsys.com>

	* gdb.arch/arc-analyze-prologue.S: New file.
	* gdb.arch/arc-analyze-prologue.exp: Likewise.
2017-03-28 21:38:32 +03:00
..
.gitignore Update and add .gitignore's 2016-09-21 13:12:21 -04:00
a4rc.sed
agentexpr.texi update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
all-cfg.texi update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
annotate.texinfo update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
ChangeLog arc: Add prologue analysis 2017-03-28 21:38:32 +03:00
doxy-index.in update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
Doxyfile-base.in update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
Doxyfile-gdb-api.in update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
Doxyfile-gdb-xref.in update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
Doxyfile-gdbserver.in update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
fdl.texi
filter-for-doxygen
filter-params.pl
gdb.texinfo arc: Add prologue analysis 2017-03-28 21:38:32 +03:00
gpl.texi
guile.texi Lazy strings can be made from arrays too. 2017-03-16 09:22:51 -07:00
lpsrc.sed
Makefile.in update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
observer.texi update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
psrc.sed
python.texi Remove @code for python 2017-03-22 12:40:24 +00:00
refcard.tex update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
stabs.texinfo update copyright year range in GDB files 2017-01-01 10:52:34 +04:00
stack_frame.eps
stack_frame.pdf
stack_frame.png
stack_frame.svg
stack_frame.txt