libdw: Handle .debug_rnglists in dwarf_ranges.

Handle all new DW_RLE opcodes in .debug_rnglists in dwarf_ranges. Extract
code for reading .debug_addr indexes from dwarf_formaddr as __libdw_addrx
to reuse in __libdw_read_begin_end_pair_inc. And add new testcase for
"plain" DWARF5 and add a new test all-dwarf-ranges to test split DWARF5.

Signed-off-by: Mark Wielaard <[email protected]>

8 files changed, 91 insertions, 1 deletions

diff --git a/tests/ChangeLog b/tests/ChangeLog
index 13d168de..5eb1e77f 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,3 +1,15 @@
+2018-04-06  Mark Wielaard  <[email protected]>
+
+	* testfileranges5.debug.bz2: New testfile.
+	* testfilesplitranges5.debug.bz2: Likewise.
+	* testfile-ranges-hello5.dwo.bz2: Likewise.
+	* testfile-ranges-world5.dwo.bz2: Likewise.
+	* run-dwarf-ranges.sh: Run on testfileranges5.debug.
+	* run-all-dwarf-ranges.sh: Run on testfilesplitranges5.debug.
+	* tests/Makefile.am (EXTRA_DIST): Add testfileranges5.debug.bz2,
+	testfilesplitranges5.debug.bz2, testfile-ranges-hello5.dwo.bz2 and
+	testfile-ranges-world5.dwo.bz2.
+
 2018-04-11  Mark Wielaard  <[email protected]>
 
 	* run-readelf-ranges.sh: New test.
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 54a3d1d5..63f077c4 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -203,7 +203,9 @@ EXTRA_DIST = run-arextract.sh run-arsymtest.sh run-ar.sh \
 	     run-dwfl-addr-sect.sh run-early-offscn.sh \
 	     run-dwarf-getmacros.sh \
 	     run-dwarf-ranges.sh debug-ranges-no-lowpc.o.bz2 \
-	     testfileranges4.debug.bz2 \
+	     testfileranges4.debug.bz2 testfileranges5.debug.bz2 \
+	     testfilesplitranges5.debug.bz2 \
+	     testfile-ranges-hello5.dwo.bz2 testfile-ranges-world5.dwo.bz2 \
 	     run-test-flag-nobits.sh \
 	     run-dwarf-getstring.sh run-rerequest_tag.sh run-alldts.sh \
 	     testfile15.bz2 testfile15.debug.bz2 \
diff --git a/tests/run-all-dwarf-ranges.sh b/tests/run-all-dwarf-ranges.sh
index ad5e634f..cefb4231 100755
--- a/tests/run-all-dwarf-ranges.sh
+++ b/tests/run-all-dwarf-ranges.sh
@@ -71,4 +71,59 @@ die: no_subject (2e)
 
 EOF
 
+# Same with -gdwarf-5
+# gcc -c -O2 -o testfile-ranges-hello5.o -gsplit-dwarf -gdwarf-5 hello.c
+# gcc -c -O2 -o testfile-ranges-world5.o -gsplit-dwarf -gdwarf-5 world.c
+# gcc -o testfilesplitranges5 -O2 testfile-ranges-hello5.o testfile-ranges-world5.o
+# eu-strip -f testfilesplitranges5.debug testfilesplitranges5
+
+testfiles testfilesplitranges5.debug
+testfiles testfile-ranges-hello5.dwo testfile-ranges-world5.dwo
+
+testrun_compare ${abs_builddir}/all-dwarf-ranges testfilesplitranges5.debug <<\EOF
+die: hello.c (11)
+ 401150..40117a
+ 401050..401067
+
+die: no_say (2e)
+ 401160..40117a
+
+die: main (2e)
+ 401050..401067
+
+die: subject (1d)
+ 401053..40105f
+
+die: subject (2e)
+ 401150..401160
+
+die: world.c (11)
+ 401180..4011e7
+
+die: no_main (2e)
+ 4011d0..4011e7
+
+die: no_subject (1d)
+ 4011d3..4011df
+
+die: say (2e)
+ 401180..4011c0
+
+die: happy (1d)
+ 40119b..40119b
+ 40119c..4011a6
+ 4011b0..4011b4
+ 4011b5..4011bf
+
+die: sad (1d)
+ 40119b..40119b
+ 40119c..4011a6
+ 4011b4..4011b4
+ 4011b5..4011bf
+
+die: no_subject (2e)
+ 4011c0..4011d0
+
+EOF
+
 exit 0
diff --git a/tests/run-dwarf-ranges.sh b/tests/run-dwarf-ranges.sh
index f935eaf4..ae25d6ef 100755
--- a/tests/run-dwarf-ranges.sh
+++ b/tests/run-dwarf-ranges.sh
@@ -102,4 +102,25 @@ testrun_compare ${abs_builddir}/dwarf-ranges testfileranges4.debug 0x374 <<\EOF
 4005a5..4005ad (base 400540)
 EOF
 
+# Like above, but with -gdwarf-5.
+testfiles testfileranges5.debug
+testrun_compare ${abs_builddir}/dwarf-ranges testfileranges5.debug 0xc <<\EOF
+401150..40117a (base 0)
+401050..401067 (base 0)
+EOF
+
+testrun_compare ${abs_builddir}/dwarf-ranges testfileranges5.debug 0x2ce <<\EOF
+40119b..40119b (base 401180)
+40119c..4011a6 (base 401180)
+4011b0..4011b4 (base 401180)
+4011b5..4011bf (base 401180)
+EOF
+
+testrun_compare ${abs_builddir}/dwarf-ranges testfileranges5.debug 0x2ef <<\EOF
+40119b..40119b (base 401180)
+40119c..4011a6 (base 401180)
+4011b4..4011b4 (base 401180)
+4011b5..4011bf (base 401180)
+EOF
+
 exit 0
diff --git a/tests/testfile-ranges-hello5.dwo.bz2 b/tests/testfile-ranges-hello5.dwo.bz2
new file mode 100644
index 00000000..5e6e9e21
--- /dev/null
+++ b/tests/testfile-ranges-hello5.dwo.bz2
diff --git a/tests/testfile-ranges-world5.dwo.bz2 b/tests/testfile-ranges-world5.dwo.bz2
new file mode 100644
index 00000000..6bde196b
--- /dev/null
+++ b/tests/testfile-ranges-world5.dwo.bz2
diff --git a/tests/testfileranges5.debug.bz2 b/tests/testfileranges5.debug.bz2
new file mode 100755
index 00000000..ef28efc1
--- /dev/null
+++ b/tests/testfileranges5.debug.bz2
diff --git a/tests/testfilesplitranges5.debug.bz2 b/tests/testfilesplitranges5.debug.bz2
new file mode 100755
index 00000000..5796cbf0
--- /dev/null
+++ b/tests/testfilesplitranges5.debug.bz2