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5044c7 |
--- binutils.orig/bfd/dwarf2.c 2022-05-16 16:40:15.590519654 +0100
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5044c7 |
+++ binutils-2.38/bfd/dwarf2.c 2022-05-16 16:45:31.824590450 +0100
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5044c7 |
@@ -3291,6 +3291,36 @@ lookup_var_by_offset (bfd_uint64_t offse
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5044c7 |
}
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5044c7 |
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5044c7 |
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5044c7 |
+static struct funcinfo *
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5044c7 |
+reverse_funcinfo_list (struct funcinfo *head)
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5044c7 |
+{
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5044c7 |
+ struct funcinfo *rhead;
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5044c7 |
+ struct funcinfo *temp;
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5044c7 |
+
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5044c7 |
+ for (rhead = NULL; head; head = temp)
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5044c7 |
+ {
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5044c7 |
+ temp = head->prev_func;
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5044c7 |
+ head->prev_func = rhead;
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5044c7 |
+ rhead = head;
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5044c7 |
+ }
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5044c7 |
+ return rhead;
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5044c7 |
+}
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5044c7 |
+
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5044c7 |
+static struct varinfo *
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5044c7 |
+reverse_varinfo_list (struct varinfo *head)
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5044c7 |
+{
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5044c7 |
+ struct varinfo *rhead;
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5044c7 |
+ struct varinfo *temp;
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5044c7 |
+
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5044c7 |
+ for (rhead = NULL; head; head = temp)
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5044c7 |
+ {
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5044c7 |
+ temp = head->prev_var;
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5044c7 |
+ head->prev_var = rhead;
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5044c7 |
+ rhead = head;
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5044c7 |
+ }
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5044c7 |
+ return rhead;
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5044c7 |
+}
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5044c7 |
+
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5044c7 |
/* DWARF2 Compilation unit functions. */
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5044c7 |
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5044c7 |
/* Scan over each die in a comp. unit looking for functions to add
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5044c7 |
@@ -3308,6 +3338,8 @@ scan_unit_for_symbols (struct comp_unit
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5044c7 |
struct funcinfo *func;
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5044c7 |
} *nested_funcs;
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5044c7 |
int nested_funcs_size;
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5044c7 |
+ struct funcinfo *last_func;
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5044c7 |
+ struct varinfo *last_var;
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5044c7 |
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5044c7 |
/* Maintain a stack of in-scope functions and inlined functions, which we
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5044c7 |
can use to set the caller_func field. */
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5044c7 |
@@ -3442,10 +3474,16 @@ scan_unit_for_symbols (struct comp_unit
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5044c7 |
}
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5044c7 |
}
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5044c7 |
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5044c7 |
+ unit->function_table = reverse_funcinfo_list (unit->function_table);
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5044c7 |
+ unit->variable_table = reverse_varinfo_list (unit->variable_table);
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5044c7 |
+
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5044c7 |
/* This is the second pass over the abbrevs. */
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5044c7 |
info_ptr = unit->first_child_die_ptr;
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5044c7 |
nesting_level = 0;
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5044c7 |
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5044c7 |
+ last_func = NULL;
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5044c7 |
+ last_var = NULL;
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5044c7 |
+
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5044c7 |
while (nesting_level >= 0)
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5044c7 |
{
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5044c7 |
unsigned int abbrev_number, i;
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5044c7 |
@@ -3481,16 +3519,32 @@ scan_unit_for_symbols (struct comp_unit
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5044c7 |
|| abbrev->tag == DW_TAG_entry_point
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5044c7 |
|| abbrev->tag == DW_TAG_inlined_subroutine)
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5044c7 |
{
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5044c7 |
- func = lookup_func_by_offset (current_offset, unit->function_table);
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5044c7 |
+ if (last_func
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5044c7 |
+ && last_func->prev_func
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5044c7 |
+ && last_func->prev_func->unit_offset == current_offset)
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5044c7 |
+ func = last_func->prev_func;
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5044c7 |
+ else
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5044c7 |
+ func = lookup_func_by_offset (current_offset, unit->function_table);
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5044c7 |
+
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5044c7 |
if (func == NULL)
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5044c7 |
goto fail;
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5044c7 |
+
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5044c7 |
+ last_func = func;
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5044c7 |
}
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5044c7 |
else if (abbrev->tag == DW_TAG_variable
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5044c7 |
|| abbrev->tag == DW_TAG_member)
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5044c7 |
{
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5044c7 |
- var = lookup_var_by_offset (current_offset, unit->variable_table);
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5044c7 |
+ if (last_var
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5044c7 |
+ && last_var->prev_var
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5044c7 |
+ && last_var->prev_var->unit_offset == current_offset)
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5044c7 |
+ var = last_var->prev_var;
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5044c7 |
+ else
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5044c7 |
+ var = lookup_var_by_offset (current_offset, unit->variable_table);
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5044c7 |
+
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5044c7 |
if (var == NULL)
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5044c7 |
goto fail;
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5044c7 |
+
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5044c7 |
+ last_var = var;
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5044c7 |
}
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5044c7 |
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5044c7 |
for (i = 0; i < abbrev->num_attrs; ++i)
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5044c7 |
@@ -3684,6 +3738,9 @@ scan_unit_for_symbols (struct comp_unit
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5044c7 |
}
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5044c7 |
}
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5044c7 |
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5044c7 |
+ unit->function_table = reverse_funcinfo_list (unit->function_table);
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5044c7 |
+ unit->variable_table = reverse_varinfo_list (unit->variable_table);
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5044c7 |
+
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5044c7 |
free (nested_funcs);
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5044c7 |
return true;
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5044c7 |
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5044c7 |
@@ -4047,36 +4104,6 @@ comp_unit_find_line (struct comp_unit *u
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5044c7 |
linenumber_ptr);
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5044c7 |
}
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5044c7 |
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5044c7 |
-static struct funcinfo *
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5044c7 |
-reverse_funcinfo_list (struct funcinfo *head)
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5044c7 |
-{
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5044c7 |
- struct funcinfo *rhead;
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5044c7 |
- struct funcinfo *temp;
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5044c7 |
-
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5044c7 |
- for (rhead = NULL; head; head = temp)
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5044c7 |
- {
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5044c7 |
- temp = head->prev_func;
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5044c7 |
- head->prev_func = rhead;
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5044c7 |
- rhead = head;
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5044c7 |
- }
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5044c7 |
- return rhead;
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5044c7 |
-}
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5044c7 |
-
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5044c7 |
-static struct varinfo *
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5044c7 |
-reverse_varinfo_list (struct varinfo *head)
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5044c7 |
-{
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5044c7 |
- struct varinfo *rhead;
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5044c7 |
- struct varinfo *temp;
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5044c7 |
-
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5044c7 |
- for (rhead = NULL; head; head = temp)
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5044c7 |
- {
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5044c7 |
- temp = head->prev_var;
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5044c7 |
- head->prev_var = rhead;
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5044c7 |
- rhead = head;
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5044c7 |
- }
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5044c7 |
- return rhead;
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5044c7 |
-}
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5044c7 |
-
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5044c7 |
/* Extract all interesting funcinfos and varinfos of a compilation
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|
5044c7 |
unit into hash tables for faster lookup. Returns TRUE if no
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5044c7 |
errors were enountered; FALSE otherwise. */
|