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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-10-11 23:55:44 (GMT)
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-10-11 23:55:44 (GMT)
commit692a5f2164ecb5ba950c2431033fedca84121db6 (patch)
tree46127e74b1352986e4782f5700ce6b5fce6195a3 /addr2line.c
parent37ea0f19a7c31a7c8492f72aabdab8d493a2393c (diff)
Support additional forms
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65008 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'addr2line.c')
-rw-r--r--addr2line.c58
1 files changed, 38 insertions, 20 deletions
diff --git a/addr2line.c b/addr2line.c
index 786da0a..99f50f5 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -847,6 +847,13 @@ read_uint16(char **ptr) {
}
static uint32_t
+read_uint24(char **ptr) {
+ const unsigned char *p = (const unsigned char *)*ptr;
+ *ptr = (char *)(p + 3);
+ return (get_uint8(p) << 16) | get_uint16(p+1);
+}
+
+static uint32_t
read_uint32(char **ptr) {
const unsigned char *p = (const unsigned char *)*ptr;
*ptr = (char *)(p + 4);
@@ -1050,7 +1057,14 @@ debug_info_reader_read_value(DebugInfoReader *reader, uint64_t form, DebugInfoVa
set_uint_value(v, read_uleb128(reader));
break;
case DW_FORM_ref_addr:
- goto fail;
+ if (reader->address_size == 4) {
+ set_uint_value(v, read_uint32(&reader->p));
+ } else if (reader->address_size == 8) {
+ set_uint_value(v, read_uint64(&reader->p));
+ } else {
+ fprintf(stderr,"unknown address_size:%d", reader->address_size);
+ abort();
+ }
break;
case DW_FORM_ref1:
set_uint_value(v, read_uint8(&reader->p));
@@ -1065,10 +1079,11 @@ debug_info_reader_read_value(DebugInfoReader *reader, uint64_t form, DebugInfoVa
set_uint_value(v, read_uint64(&reader->p));
break;
case DW_FORM_ref_udata:
- goto fail;
+ set_uint_value(v, uleb128(&reader->p));
break;
case DW_FORM_indirect:
- goto fail;
+ /* TODO: read the refered value */
+ set_uint_value(v, uleb128(&reader->p));
break;
case DW_FORM_sec_offset:
set_uint_value(v, read_uint(reader)); /* offset */
@@ -1090,63 +1105,66 @@ debug_info_reader_read_value(DebugInfoReader *reader, uint64_t form, DebugInfoVa
set_uint_value(v, 1);
break;
case DW_FORM_strx:
- goto fail;
+ set_uint_value(v, uleb128(&reader->p));
break;
case DW_FORM_addrx:
- goto fail;
+ /* TODO: read .debug_addr */
+ set_uint_value(v, uleb128(&reader->p));
break;
case DW_FORM_ref_sup4:
- goto fail;
+ set_uint_value(v, read_uint32(&reader->p));
break;
case DW_FORM_strp_sup:
set_uint_value(v, read_uint(reader));
//*p = reader->sup_file + reader->sup_str->sh_offset + ret;
break;
case DW_FORM_data16:
- goto fail;
+ v->size = 16;
+ set_data_value(v, reader->p);
+ reader->p += v->size;
break;
case DW_FORM_line_strp:
set_uint_value(v, read_uint(reader));
//*p = reader->file + reader->line->sh_offset + ret;
break;
case DW_FORM_ref_sig8:
- goto fail;
+ set_uint_value(v, read_uint64(&reader->p));
break;
case DW_FORM_implicit_const:
- goto fail;
+ set_sint_value(v, read_sleb128(&reader->q));
break;
case DW_FORM_loclistx:
- goto fail;
+ set_uint_value(v, read_uleb128(&reader->q));
break;
case DW_FORM_rnglistx:
- goto fail;
+ set_uint_value(v, read_uleb128(&reader->q));
break;
case DW_FORM_ref_sup8:
- goto fail;
+ set_uint_value(v, read_uint64(&reader->p));
break;
case DW_FORM_strx1:
- goto fail;
+ set_uint_value(v, read_uint8(&reader->p));
break;
case DW_FORM_strx2:
- goto fail;
+ set_uint_value(v, read_uint16(&reader->p));
break;
case DW_FORM_strx3:
- goto fail;
+ set_uint_value(v, read_uint24(&reader->p));
break;
case DW_FORM_strx4:
- goto fail;
+ set_uint_value(v, read_uint32(&reader->p));
break;
case DW_FORM_addrx1:
- goto fail;
+ set_uint_value(v, read_uint8(&reader->p));
break;
case DW_FORM_addrx2:
- goto fail;
+ set_uint_value(v, read_uint16(&reader->p));
break;
case DW_FORM_addrx3:
- goto fail;
+ set_uint_value(v, read_uint24(&reader->p));
break;
case DW_FORM_addrx4:
- goto fail;
+ set_uint_value(v, read_uint32(&reader->p));
break;
case 0:
goto fail;