[PATCH] readelf: Fix regression with multiple files and implicit debug_info reading.
Commit 314e9d7d "readelf: Handle .debug_info first if any other debug
section needs it" introduced a regression when handling multiple files.
The implicit and explicit printing of debuginfo weren't reset and so
the second file would not show (or scan) the .debug_info section when
needed.
Fix by resetting the implicit and explicit section printing flags.
Add a testcase that prints the .debug_loc section for two files and
check that the CUs are resolved.
Signed-off-by: Mark Wielaard
---
src/ChangeLog | 5 +
src/readelf.c | 10 +-
tests/ChangeLog | 4
tests/run-readelf-twofiles.sh | 43 ++-
4 files changed, 60 insertions(+), 2 deletions(-)
diff --git a/src/ChangeLog b/src/ChangeLog
index b6f66bd..e7ba6cb 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2018-05-29 Mark Wielaard
+
+ * readelf.c (print_debug): Record and reset section_info status in
+ implicit_debug_sections and print_debug_sections.
+
2018-05-28 Mark Wielaard
* readelf.c (print_debug_units): Turn "Could not find split compile
diff --git a/src/readelf.c b/src/readelf.c
index bfa1d16..390f244 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -10894,7 +10894,9 @@ print_debug (Dwfl_Module *dwflmod, Ebl *ebl, GElf_Ehdr
*ehdr)
we must make sure to handle it before handling any other debug
section. Various other sections depend on the CU DIEs being
scanned (silently) first. */
- if ((implicit_debug_sections & section_info) != 0)
+ bool implicit_info = (implicit_debug_sections & section_info) != 0;
+ bool explicit_info = (print_debug_sections & section_info) != 0;
+ if (implicit_info)
{
Elf_Scn *scn = NULL;
while ((scn = elf_nextscn (ebl->elf, scn)) != NULL)
@@ -11012,6 +11014,12 @@ print_debug (Dwfl_Module *dwflmod, Ebl *ebl, GElf_Ehdr
*ehdr)
dwfl_end (skel_dwfl);
free (skel_name);
+ /* Turn implicit and/or explicit back on in case we go over another file. */
+ if (implicit_info)
+implicit_debug_sections |= section_info;
+ if (explicit_info)
+print_debug_sections |= section_info;
+
reset_listptr (&known_locsptr);
reset_listptr (&known_loclistsptr);
reset_listptr (&known_rangelistptr);
diff --git a/tests/ChangeLog b/tests/ChangeLog
index 4d69515..682fffc 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,3 +1,7 @@
+2018-05-29 Mark Wielaard
+
+ * run-readelf-twofiles.sh: Add --debug-dump=loc testcase.
+
2018-05-28 Mark Wielaard
* run-readelf-info-plus.sh: New test.
diff --git a/tests/run-readelf-twofiles.sh b/tests/run-readelf-twofiles.sh
index 46eec7b..fc5f3e7 100755
--- a/tests/run-readelf-twofiles.sh
+++ b/tests/run-readelf-twofiles.sh
@@ -1,5 +1,5 @@
#! /bin/sh
-# Copyright (C) 2011 Red Hat, Inc.
+# Copyright (C) 2011, 2018 Red Hat, Inc.
# This file is part of elfutils.
#
# This file is free software; you can redistribute it and/or modify
@@ -21,4 +21,45 @@ testfiles testfile14
testrun >/dev/null ${abs_top_builddir}/src/readelf -w testfile14 testfile14
+testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=loc testfile14
testfile14 << EOF
+
+testfile14:
+
+
+DWARF section [33] '.debug_loc' at offset 0xca9:
+
+ CU [ b] base: 0x00400468
+ [ 0] range 34, 35
+ 0x0040049c ..
+ 0x0040049c
+ [ 0] breg7 -8
+ range 35, 46
+ 0x0040049d ..
+ 0x004004ad
+ [ 0] breg7 0
+ range 46, 47
+ 0x004004ae ..
+ 0x004004ae
+ [ 0] breg7 -8
+
+testfile14:
+
+
+DWARF section [33] '.debug_loc' at offset 0xca9:
+
+ CU [ b] base: 0x00400468
+ [ 0] range 34, 35
+ 0x0040049c ..
+ 0x0040049c
+ [ 0] breg7 -8
+ range 35, 46
+ 0x0040049d ..
+ 0x004004ad
+ [ 0] breg7 0
+ range 46, 47
+ 0x004004ae ..
+ 0x004004ae
+ [ 0] breg7 -8
+EOF
+
exit 0
--
1.8.3.1
[PATCH] readelf, libdw: Add GNU DebugFission .debug_loc support.
GNU DebugFission .debug_loc location lists uses the .debug_loc section
in the split dwarf .dwo file. The encoding is a mix of old style DWARF
.debug_loc and new style .debug_loclists.
Add two testcases for the readelf and libdw decoders.
Signed-off-by: Mark Wielaard
---
libdw/ChangeLog | 9 +++
libdw/dwarf.h| 10
libdw/dwarf_ranges.c | 65 +-
src/ChangeLog| 5 ++
src/readelf.c| 80 +--
tests/ChangeLog | 5 ++
tests/run-readelf-loc.sh | 141 +++
tests/run-varlocs.sh | 74 +
8 files changed, 382 insertions(+), 7 deletions(-)
diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index d187930..eb0b01a 100644
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,3 +1,12 @@
+2018-05-29 Mark Wielaard
+
+ * dwarf.h: Add GNU DebugFission list entry encodings
+ DW_LLE_GNU_end_of_list_entry,
+ DW_LLE_GNU_base_address_selection_entry,
+ DW_LLE_GNU_start_end_entry and DW_LLE_GNU_start_length_entry.
+ * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle
+ GNU DebugFission list entries.
+
2018-05-28 Mark Wielaard
* libdw_find_split_unit.c (__libdw_find_split_unit): End split_dwarf
diff --git a/libdw/dwarf.h b/libdw/dwarf.h
index 8985a9d..dc59733 100644
--- a/libdw/dwarf.h
+++ b/libdw/dwarf.h
@@ -915,6 +915,16 @@ enum
};
+/* GNU DebugFission list entry encodings (.debug_loc.dwo). */
+enum
+ {
+DW_LLE_GNU_end_of_list_entry = 0x0,
+DW_LLE_GNU_base_address_selection_entry = 0x1,
+DW_LLE_GNU_start_end_entry = 0x2,
+DW_LLE_GNU_start_length_entry = 0x3
+ };
+
+
/* DWARF call frame instruction encodings. */
enum
{
diff --git a/libdw/dwarf_ranges.c b/libdw/dwarf_ranges.c
index 0f3ee6b..f67d8a5 100644
--- a/libdw/dwarf_ranges.c
+++ b/libdw/dwarf_ranges.c
@@ -49,7 +49,70 @@ __libdw_read_begin_end_pair_inc (Dwarf_CU *cu, int sec_index,
Dwarf_Addr *basep)
{
Dwarf *dbg = cu->dbg;
- if (sec_index == IDX_debug_ranges || sec_index == IDX_debug_loc)
+ if (sec_index == IDX_debug_loc
+ && cu->version < 5
+ && cu->unit_type == DW_UT_split_compile)
+{
+ /* GNU DebugFission. */
+ const unsigned char *addr = *addrp;
+ if (addrend - addr < 1)
+ goto invalid;
+
+ const char code = *addr++;
+ uint64_t begin = 0, end = 0, base = *basep, addr_idx;
+ switch (code)
+ {
+ case DW_LLE_GNU_end_of_list_entry:
+ *addrp = addr;
+ return 2;
+
+ case DW_LLE_GNU_base_address_selection_entry:
+ if (addrend - addr < 1)
+ goto invalid;
+ get_uleb128 (addr_idx, addr, addrend);
+ if (__libdw_addrx (cu, addr_idx, &base) != 0)
+ return -1;
+ *basep = base;
+ *addrp = addr;
+ return 1;
+
+ case DW_LLE_GNU_start_end_entry:
+ if (addrend - addr < 1)
+ goto invalid;
+ get_uleb128 (addr_idx, addr, addrend);
+ if (__libdw_addrx (cu, addr_idx, &begin) != 0)
+ return -1;
+ if (addrend - addr < 1)
+ goto invalid;
+ get_uleb128 (addr_idx, addr, addrend);
+ if (__libdw_addrx (cu, addr_idx, &end) != 0)
+ return -1;
+
+ *beginp = begin;
+ *endp = end;
+ *addrp = addr;
+ return 0;
+
+ case DW_LLE_GNU_start_length_entry:
+ if (addrend - addr < 1)
+ goto invalid;
+ get_uleb128 (addr_idx, addr, addrend);
+ if (__libdw_addrx (cu, addr_idx, &begin) != 0)
+ return -1;
+ if (addrend - addr < 4)
+ goto invalid;
+ end = read_4ubyte_unaligned_inc (dbg, addr);
+
+ *beginp = begin;
+ *endp = begin + end;
+ *addrp = addr;
+ return 0;
+
+ default:
+ goto invalid;
+ }
+}
+ else if (sec_index == IDX_debug_ranges || sec_index == IDX_debug_loc)
{
Dwarf_Addr escape = (width == 8 ? (Elf64_Addr) -1
: (Elf64_Addr) (Elf32_Addr) -1);
diff --git a/src/ChangeLog b/src/ChangeLog
index e7ba6cb..f424fb7 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,10 @@
2018-05-29 Mark Wielaard
+ * readelf.c (print_debug_loc_section): Handle GNU DebugFission list
+ entries.
+
+2018-05-29 Mark Wielaard
+
* readelf.c (print_debug): Record and reset section_info status in
implicit_debug_sections and print_debug_sections.
diff --git a/src/readelf.c b/src/readelf.c
index 390f244..2ccbea5 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -9276,15 +9276,81 @@ print_debug_loc_section (Dwfl_Module *dwflmod,
continue;
}
- if (unlikely (data->d_size - offset < (size_t) address_size * 2))
- {
+ /* GNU DebugFission encoded addresses as addrx. */
+ bool is_debugfission = ((cu != NULL
+
Re: [PATCH] libdwfl: Allow partial relocations also for debug files.
On Sun, 2018-05-27 at 14:13 +0200, Mark Wielaard wrote: > __libdwfl_relocate is called for get_dwarf and get_elf. We allow not all > relocations to be resolved for Elf files, but required all relocations > (in the debug sections) to be fully resoled in Dwarf files. This used to > mostly work out with .o ET_REL files when the main Elf was gotten before > the Dwarf. But with .dwo files, we (readelf) might open the .o file just > for the (skeleton) Dwarf. In this case it could happen not all relocations > in the debug sections could be resolved (.debug_info and .debug_addr might > contain referenes to undefined symbols). So allow partial relocations > also for debug files. Pushed to master.
Re: [PATCH] readelf: Handle .debug_loclists.
On Sun, 2018-05-27 at 14:25 +0200, Mark Wielaard wrote: > The new DWARF5 .debug_loclists sections are like .debug_rnglists, but > plus locations. For Split Dwarf GCC generates the .debug_loclists fully > in the split .dwo file. Any references to addresses need to be resolved > through the skeleton .debug_addr section. Pushed to master.
[PATCH] libdw: Handle split Dwarf Dies in dwarf_die_addr_die.
dwarf_die_addr_die can be used to turn an Dwarf_Die addr back into a
full Dwarf_Die, just given the original Dwarf debug handle. This now
also works for Dwarf_Dies which originated from a split Dwarf. Whenever
a split Dwarf_CU is found the Dwarf it originated from is registered
with the Dwarf that the skeleton Dwarf_CU came from. All registered
split Dwarfs are then searched by dwarf_die_addr_die if the addr didn't
match the main Dwarf or the alt Dwarf.
One limitation in this implementation is that only DIEs that come from
the main .debug_info in the .dwo are supported. Theoretically there could
also be DIEs in an .debug_type or from other/multiple (comdat) sections.
New tests are added for dwarf-4, dwarf-5, split-dwarf-4, split-dwarf-5
and version 4 and 5 dwo files.
Signed-off-by: Mark Wielaard
---
libdw/ChangeLog | 13 +++
libdw/dwarf_cuoffset.c | 2 +-
libdw/dwarf_die_addr_die.c | 14 +++-
libdw/libdwP.h | 9
libdw/libdw_find_split_unit.c | 9
libdw/libdw_findcu.c| 49 +
tests/ChangeLog | 7 ++
tests/dwarf-die-addr-die.c | 14
tests/run-dwarf-die-addr-die.sh | 14
9 files changed, 129 insertions(+), 2 deletions(-)
diff --git a/libdw/ChangeLog b/libdw/ChangeLog
index eb0b01a..e3b15f0 100644
--- a/libdw/ChangeLog
+++ b/libdw/ChangeLog
@@ -1,5 +1,18 @@
2018-05-29 Mark Wielaard
+ * dwarf_cuoffset.c (dwarf_cuoffset): Check die->cu is not NULL.
+ * dwarf_die_addr_die.c (dwarf_die_addr_die): Also search split
+ Dwarfs.
+ * libdwP.h (struct Dwarf): Add split_tree field.
+ (__libdw_find_split_dbg_addr): New internal function definition.
+ (__libdw_finddbg_cb): Likewise.
+ * libdw_find_split_unit.c (__libdw_find_split_unit): Insert split
+ Dwarf into skeleton dbg split_tree.
+ * libdw_findcu.c (__libdw_finddbg_cb): New function.
+ (__libdw_find_split_dbg_addr): Likewise.
+
+2018-05-29 Mark Wielaard
+
* dwarf.h: Add GNU DebugFission list entry encodings
DW_LLE_GNU_end_of_list_entry,
DW_LLE_GNU_base_address_selection_entry,
diff --git a/libdw/dwarf_cuoffset.c b/libdw/dwarf_cuoffset.c
index ba37648..f13b02f 100644
--- a/libdw/dwarf_cuoffset.c
+++ b/libdw/dwarf_cuoffset.c
@@ -38,7 +38,7 @@
Dwarf_Off
dwarf_cuoffset (Dwarf_Die *die)
{
- return (die == NULL
+ return ((die == NULL || die->cu == NULL)
? (Dwarf_Off) -1l
: (Dwarf_Off) (die->addr - die->cu->startp));
}
diff --git a/libdw/dwarf_die_addr_die.c b/libdw/dwarf_die_addr_die.c
index 02d63b7..6572916 100644
--- a/libdw/dwarf_die_addr_die.c
+++ b/libdw/dwarf_die_addr_die.c
@@ -30,6 +30,8 @@
# include
#endif
+#include
+
#include
#include "libdwP.h"
@@ -50,7 +52,17 @@ dwarf_die_addr_die (Dwarf *dbg, void *addr, Dwarf_Die
*result)
}
if (cu == NULL)
-return NULL;
+{
+ Dwarf *split = __libdw_find_split_dbg_addr (dbg, addr);
+ if (split != NULL)
+ cu = __libdw_findcu_addr (split, addr);
+}
+
+ if (cu == NULL)
+{
+ memset (result, '\0', sizeof (Dwarf_Die));
+ return NULL;
+}
*result = (Dwarf_Die) { .addr = addr, .cu = cu };
diff --git a/libdw/libdwP.h b/libdw/libdwP.h
index dd47009..1c8dd0d 100644
--- a/libdw/libdwP.h
+++ b/libdw/libdwP.h
@@ -193,6 +193,9 @@ struct Dwarf
Dwarf_Off next_tu_offset;
Dwarf_Sig8_Hash sig8_hash;
+ /* Search tree for split Dwarf associated with CUs in this debug. */
+ void *split_tree;
+
/* Search tree for .debug_macro operator tables. */
void *macro_ops;
@@ -619,6 +622,10 @@ extern struct Dwarf_CU *__libdw_findcu (Dwarf *dbg,
Dwarf_Off offset, bool tu)
extern struct Dwarf_CU *__libdw_findcu_addr (Dwarf *dbg, void *addr)
__nonnull_attribute__ (1) internal_function;
+/* Find split Dwarf for given DIE address. */
+extern struct Dwarf *__libdw_find_split_dbg_addr (Dwarf *dbg, void *addr)
+ __nonnull_attribute__ (1) internal_function;
+
/* Find the split (or skeleton) unit. */
extern struct Dwarf_CU *__libdw_find_split_unit (Dwarf_CU *cu)
internal_function;
@@ -1261,6 +1268,8 @@ __libdw_cu_locs_base (Dwarf_CU *cu)
return cu->locs_base;
}
+/* Helper function for tsearch/tfind split_tree Dwarf. */
+int __libdw_finddbg_cb (const void *arg1, const void *arg2);
/* Link skeleton and split compile units. */
static inline void
diff --git a/libdw/libdw_find_split_unit.c b/libdw/libdw_find_split_unit.c
index d6527e0..dc62e0d 100644
--- a/libdw/libdw_find_split_unit.c
+++ b/libdw/libdw_find_split_unit.c
@@ -34,6 +34,7 @@
#include "libelfP.h"
#include
+#include
#include
#include
#include
@@ -84,6 +85,14 @@ __libdw_find_split_unit (Dwarf_CU *cu)
if (split->unit_type == DW_UT_split_compile
&& cu->unit_id8 == split->unit_id8)
{
+
Re: [PATCH] libdw: Handle split Dwarf Dies in dwarf_die_addr_die.
On Tue, 2018-05-29 at 23:57 +0200, Mark Wielaard wrote: > dwarf_die_addr_die can be used to turn an Dwarf_Die addr back into a > full Dwarf_Die, just given the original Dwarf debug handle. This now > also works for Dwarf_Dies which originated from a split Dwarf. Whenever > a split Dwarf_CU is found the Dwarf it originated from is registered > with the Dwarf that the skeleton Dwarf_CU came from. All registered > split Dwarfs are then searched by dwarf_die_addr_die if the addr didn't > match the main Dwarf or the alt Dwarf. > > One limitation in this implementation is that only DIEs that come from > the main .debug_info in the .dwo are supported. Theoretically there could > also be DIEs in an .debug_type or from other/multiple (comdat) sections. > > New tests are added for dwarf-4, dwarf-5, split-dwarf-4, split-dwarf-5 > and version 4 and 5 dwo files. And clearly I hadn't done a make distcheck because then I would have known that valgrind would warn about leaking the new search tree. Simple fix: diff --git a/libdw/dwarf_end.c b/libdw/dwarf_end.c index 23a50a0..29795c1 100644 --- a/libdw/dwarf_end.c +++ b/libdw/dwarf_end.c @@ -91,6 +91,9 @@ dwarf_end (Dwarf *dwarf) /* Search tree for decoded .debug_lines units. */ tdestroy (dwarf->files_lines, noop_free); + /* And the split Dwarf. */ + tdestroy (dwarf->split_tree, noop_free); + struct libdw_memblock *memp = dwarf->mem_tail; /* The first block is allocated together with the Dwarf object. */ while (memp->prev != NULL)
Re: [PATCH] libdw: Handle .debug_loclists in dwarf_getlocation.
On Mon, 2018-05-28 at 13:32 +0200, Mark Wielaard wrote: > Handle all new DW_LLE opcodes in .debug_loclists in dwarf_getlocation. > __libdw_read_begin_end_pair_inc now also handles a default location > (which is simply the range [0,-1]). Since expression blocks can now > also come from the .debug_loclists section add a new fake_loclists_cu > necessary for checking bounds while parsing expression blocks. Adapt > varlocs test to handle .debug only files. Run it on testfileranges5.debug > and testfilesplitranges5.debug. Pushed to master (without the regeneration of the testfiles since that was already done in an earlier commit).
[PATCH] Prepare for 0.171.
Set version to 0.171. Update po/*.po files.
Mention DWARF5, split dwarf and GNU DebugFission support in NEWS.
Signed-off-by: Mark Wielaard
I think we are ready for a release now. For people who like to try
out a tar ball, there is now an rc1 (0.170.99) at:
https://sourceware.org/elfutils/ftp/rc/elfutils-0.170.90.tar.bz2
It includes all pending patches up to this one (with the version
number changed).
Please give feedback if you find some time to try it out.
Thanks,
Mark
---
ChangeLog |5 +
NEWS| 37 ++
config/ChangeLog|4 +
config/elfutils.spec.in | 14 +
configure.ac|2 +-
po/ChangeLog|4 +
po/de.po| 1280 +++--
po/es.po| 1313 --
po/ja.po| 1306 --
po/pl.po| 1320 --
po/uk.po| 1323 +--
11 files changed, 4041 insertions(+), 2567 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 8154241..04d86f7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-05-29 Mark Wielaard
+
+ * configure.ac: Set version to 0.171.
+ * NEWS: Mention DWARF5, split-dwarf and GNU DebugFission support.
+
2018-03-17 Mark Wielaard
* configure.ac (CHECK_FUNCS): Check for process_vm_readv.
diff --git a/NEWS b/NEWS
index 72e5118..a085d3e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,40 @@
+Version 0.171
+
+DWARF5 and split dwarf, including GNU DebugFission, are supported now.
+Data can be read from the new DWARF sections .debug_addr, .debug_line_str,
+.debug_loclists, .debug_str_offsets and .debug_rnglists. Plus the new
+DWARF5 and GNU DebugFission encodings of the existing .debug sections.
+Also in split DWARF .dwo (DWARF object) files. This support is mostly
+handled by existing functions (dwarf_getlocation*, dwarf_getsrclines,
+dwarf_ranges, dwarf_form*, etc.) now returning the data from the new
+sections and data formats. But some new functions have been added
+to more easily get information about skeleton and split compile units
+(dwarf_get_units and dwarf_cu_info), handle new attribute data
+(dwarf_getabbrevattr_data) and to keep references to Dwarf_Dies
+that might come from different sections or files (dwarf_die_addr_die).
+
+Not yet supported are .dwp (Dwarf Package) and .sup (Dwarf Supplementary)
+files, the .debug_names index, the .debug_cu_index and .debug_tu_index
+sections.
+
+readelf: Handle all new DWARF5 sections.
+ --debug-dump=info+ will show split unit DIEs when found.
+ --dwarf-skeleton can be used when inspecting a .dwo file.
+Recognizes GNU locviews with --debug-dump=loc.
+
+libdw: New functions dwarf_die_addr_die, dwarf_get_units,
+ dwarf_getabbrevattr_data and dwarf_cu_info.
+ libdw will now try to resolve the alt file on first use of
+ an alt attribute FORM when not set yet with dwarf_set_alt.
+ dwarf_aggregate_size() now works with multi-dimensional arrays.
+
+libdwfl: Use process_vm_readv when available instead of ptrace.
+
+backends: Add a RISC-V backend.
+
+There were various improvements to build on Windows.
+The sha1 and md5 implementations have been removed, they weren't used.
+
Version 0.170
libdw: Added new DWARF5 attribute, tag, character encoding, language code,
diff --git a/config/ChangeLog b/config/ChangeLog
index 681def2..fe58df0 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2018-05-29 Mark Wielaard
+
+ * elfutils.spec.in: Update for 0.171.
+
2018-02-09 Joshua Watt
* eu.am (IMPLICIT_FALLTHROUGH_WARNING): Set to 5.
diff --git a/config/elfutils.spec.in b/config/elfutils.spec.in
index 1d0a4f8..763e035 100644
--- a/config/elfutils.spec.in
+++ b/config/elfutils.spec.in
@@ -227,6 +227,20 @@ rm -rf ${RPM_BUILD_ROOT}
%{_sysctldir}/10-default-yama-scope.conf
%changelog
+* Wed May 30 2018 Mark Wielaard 0.171-1
+- DWARF5 and split dwarf, including GNU DebugFission, support.
+- readelf: Handle all new DWARF5 sections.
+ --debug-dump=info+ will show split unit DIEs when found.
+ --dwarf-skeleton can be used when inspecting a .dwo file.
+ Recognizes GNU locviews with --debug-dump=loc.
+- libdw: New functions dwarf_die_addr_die, dwarf_get_units,
+ dwarf_getabbrevattr_data and dwarf_cu_info.
+ libdw will now try to resolve the alt file on first use
+ when not set yet with dwarf_set_alt.
+ dwarf_aggregate_size() now works with multi-dimensional arrays.
+- libdwfl: Use process_vm_readv when available instead of ptrace.
+- backends: Add a RISC-V backend.
+
* Wed Aug 2 2017 Mark Wielaard 0.170-1
- libdw: Added new DWARF5 attribute, tag, character encoding,
language code, calling convention, defaulted member function
diff --git a/configure.ac b/configure.ac
index ab32cbc..183ffb5 1
