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--- thirdparty/libbacktrace/dwarf.c.orig 2017-10-13 17:18:18 UTC
+++ thirdparty/libbacktrace/dwarf.c
@@ -768,21 +768,27 @@ read_attribute (enum dwarf_form form, st
version, addrsize, dwarf_str, dwarf_str_size,
val);
}
+#if defined(DW_FORM_sec_offset) // not defined on 10
case DW_FORM_sec_offset:
val->encoding = ATTR_VAL_REF_SECTION;
val->u.uint = read_offset (buf, is_dwarf64);
return 1;
+#endif
+#if defined(DW_FORM_exprloc) // not defined on 10
case DW_FORM_exprloc:
val->encoding = ATTR_VAL_EXPR;
return advance (buf, read_uleb128 (buf));
+#endif
case DW_FORM_flag_present:
val->encoding = ATTR_VAL_UINT;
val->u.uint = 1;
return 1;
+#if defined(DW_FORM_ref_sig8) // not defined on 10
case DW_FORM_ref_sig8:
val->encoding = ATTR_VAL_REF_TYPE;
val->u.uint = read_uint64 (buf);
return 1;
+#endif
case DW_FORM_GNU_addr_index:
val->encoding = ATTR_VAL_REF_SECTION;
val->u.uint = read_uleb128 (buf);
@@ -1314,7 +1320,7 @@ find_address_ranges (struct backtrace_st
highpc_is_relative = 1;
}
break;
-
+#if defined(DW_AT_ranges) // not defined on 10
case DW_AT_ranges:
if (val.encoding == ATTR_VAL_UINT
|| val.encoding == ATTR_VAL_REF_SECTION)
@@ -1323,7 +1329,7 @@ find_address_ranges (struct backtrace_st
have_ranges = 1;
}
break;
-
+#endif
case DW_AT_stmt_list:
if (abbrev->tag == DW_TAG_compile_unit
&& (val.encoding == ATTR_VAL_UINT
@@ -1851,10 +1857,6 @@ read_line_program (struct backtrace_stat
}
}
break;
- case DW_LNE_set_discriminator:
- /* We don't care about discriminators. */
- read_uleb128 (line_buf);
- break;
default:
if (!advance (line_buf, len - 1))
return 0;
@@ -2108,16 +2110,24 @@ read_referenced_name (struct dwarf_data
if (val.encoding == ATTR_VAL_STRING)
ret = val.u.string;
break;
-
+#if defined(DW_AT_linkage_name)
case DW_AT_linkage_name:
+#endif
+#if defined(DW_AT_MIPS_linkage_name)
case DW_AT_MIPS_linkage_name:
+#endif
+#if defined(DW_AT_linkage_name) || defined(DW_AT_MIPS_linkage_name)
if (val.encoding == ATTR_VAL_STRING)
return val.u.string;
break;
-
+#endif
case DW_AT_specification:
if (abbrev->attrs[i].form == DW_FORM_ref_addr
+#if defined(DW_FORM_ref_sig8) // not defined on 10
|| abbrev->attrs[i].form == DW_FORM_ref_sig8)
+#else
+ || 0) // not defined
+#endif
{
/* This refers to a specification defined in some other
compilation unit. We can handle this case if we
@@ -2325,6 +2335,7 @@ read_function_entry (struct backtrace_st
{
switch (abbrev->attrs[i].name)
{
+#if defined(DW_AT_call_file)
case DW_AT_call_file:
if (val.encoding == ATTR_VAL_UINT)
{
@@ -2344,16 +2355,21 @@ read_function_entry (struct backtrace_st
}
}
break;
-
+#endif
+#if defined(DW_AT_call_line)
case DW_AT_call_line:
if (val.encoding == ATTR_VAL_UINT)
function->caller_lineno = val.u.uint;
break;
-
+#endif
case DW_AT_abstract_origin:
case DW_AT_specification:
if (abbrev->attrs[i].form == DW_FORM_ref_addr
+#if defined(DW_FORM_ref_sig8) // not defined on 10
|| abbrev->attrs[i].form == DW_FORM_ref_sig8)
+#else
+ || 0) // not defined
+#endif
{
/* This refers to an abstract origin defined in
some other compilation unit. We can handle
@@ -2383,13 +2399,17 @@ read_function_entry (struct backtrace_st
function->name = val.u.string;
}
break;
-
+#if defined(DW_AT_linkage_name)
case DW_AT_linkage_name:
+#endif
+#if defined(DW_AT_MIPS_linkage_name)
case DW_AT_MIPS_linkage_name:
+#endif
+#if defined(DW_AT_linkage_name) || defined(DW_AT_MIPS_linkage_name)
if (val.encoding == ATTR_VAL_STRING)
function->name = val.u.string;
break;
-
+#endif
case DW_AT_low_pc:
if (val.encoding == ATTR_VAL_ADDRESS)
{
@@ -2411,7 +2431,7 @@ read_function_entry (struct backtrace_st
highpc_is_relative = 1;
}
break;
-
+#if defined(DW_AT_ranges) // not defined on 10
case DW_AT_ranges:
if (val.encoding == ATTR_VAL_UINT
|| val.encoding == ATTR_VAL_REF_SECTION)
@@ -2420,7 +2440,7 @@ read_function_entry (struct backtrace_st
have_ranges = 1;
}
break;
-
+#endif
default:
break;
}
|
