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authorMark Wielaard <mark@klomp.org>2022-10-20 00:02:39 +0200
committerMark Wielaard <mark@klomp.org>2022-10-27 15:28:32 +0200
commit85f4c22f60c87bd2f67b241974f1b5f0f355a29b (patch)
tree24002aaae9c05a35f877924515e7434d1a7911bc /src
parent8aa88041e0e33a5fd9ec6e7e04cc72a58f764d7f (diff)
downloadelfutils-85f4c22f60c87bd2f67b241974f1b5f0f355a29b.tar.gz
readelf: Handle DW_LLE_GNU_view_pair
DW_LLE_GNU_view_pair is used by gcc -gvariable-location-views=incompat5. As described in http://www.fsfla.org/~lxoliva/papers/sfn/dwarf6-sfn-lvu.txt and proposed for DWARF6 https://dwarfstd.org/ShowIssue.php?issue=170427.1 Signed-off-by: Mark Wielaard <mark@klomp.org>
Diffstat (limited to 'src')
-rw-r--r--src/ChangeLog6
-rw-r--r--src/readelf.c12
2 files changed, 18 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 23c971d1..1f369ef6 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2022-10-19 Mark Wielaard <mark@klomp.org>
+
+ * readelf.c (dwarf_loc_list_encoding_string): Handle
+ DW_LLE_GNU_view_pair.
+ (print_debug_loclists_section): Likewise.
+
2022-09-20 Yonggang Luo <luoyonggang@gmail.com>
* arlib.h: Use BYTE_ORDER, LITTLE_ENDIAN and BIG_ENDIAN.
diff --git a/src/readelf.c b/src/readelf.c
index a206e60e..7671a31d 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -4185,6 +4185,8 @@ dwarf_loc_list_encoding_string (unsigned int kind)
#define DWARF_ONE_KNOWN_DW_LLE(NAME, CODE) case CODE: return #NAME;
DWARF_ALL_KNOWN_DW_LLE
#undef DWARF_ONE_KNOWN_DW_LLE
+ /* DW_LLE_GNU_view_pair is special/incompatible with default codes. */
+ case DW_LLE_GNU_view_pair: return "GNU_view_pair";
default:
return NULL;
}
@@ -9744,6 +9746,16 @@ print_debug_loclists_section (Dwfl_Module *dwflmod,
readp += len;
break;
+ case DW_LLE_GNU_view_pair:
+ if ((uint64_t) (nexthdr - readp) < 1)
+ goto invalid_entry;
+ get_uleb128 (op1, readp, nexthdr);
+ if ((uint64_t) (nexthdr - readp) < 1)
+ goto invalid_entry;
+ get_uleb128 (op2, readp, nexthdr);
+ printf (" %" PRIx64 ", %" PRIx64 "\n", op1, op2);
+ break;
+
default:
goto invalid_entry;
}