rpm/rpm-4.9.0-debugedit-dwarf4.patch
Panu Matilainen aca4330de0 - add dwarf-4 support to debugedit (#707677)
- generate build-id symlinks for all filenames sharing a build-id (#641377)
2011-05-26 10:06:47 +03:00

131 lines
3.7 KiB
Diff

--- rpm-4.9.0/tools/debugedit.c 2010-12-03 13:11:57.000000000 +0100
+++ rpm-4.9.0/tools/debugedit.c.jj 2011-05-25 18:49:53.151936963 +0200
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2005, 2007, 2009, 2010 Red Hat, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2005, 2007, 2009, 2010, 2011 Red Hat, Inc.
Written by Alexander Larsson <alexl@redhat.com>, 2002
Based on code by Jakub Jelinek <jakub@redhat.com>, 2001.
@@ -44,6 +44,10 @@
#include "tools/hashtab.h"
#define DW_TAG_partial_unit 0x3c
+#define DW_FORM_sec_offset 0x17
+#define DW_FORM_exprloc 0x18
+#define DW_FORM_flag_present 0x19
+#define DW_FORM_ref_sig8 0x20
char *base_dir = NULL;
char *dest_dir = NULL;
@@ -220,6 +224,7 @@ static struct
#define DEBUG_STR 8
#define DEBUG_FRAME 9
#define DEBUG_RANGES 10
+#define DEBUG_TYPES 11
{ ".debug_info", NULL, NULL, 0, 0, 0 },
{ ".debug_abbrev", NULL, NULL, 0, 0, 0 },
{ ".debug_line", NULL, NULL, 0, 0, 0 },
@@ -231,6 +236,7 @@ static struct
{ ".debug_str", NULL, NULL, 0, 0, 0 },
{ ".debug_frame", NULL, NULL, 0, 0, 0 },
{ ".debug_ranges", NULL, NULL, 0, 0, 0 },
+ { ".debug_types", NULL, NULL, 0, 0, 0 },
{ NULL, NULL, NULL, 0, 0, 0 }
};
@@ -323,7 +329,8 @@ no_memory:
goto no_memory;
}
form = read_uleb128 (ptr);
- if (form == 2 || form > DW_FORM_indirect)
+ if (form == 2
+ || (form > DW_FORM_flag_present && form != DW_FORM_ref_sig8))
{
error (0, 0, "%s: Unknown DWARF DW_FORM_%d", dso->filename, form);
htab_delete (h);
@@ -352,7 +359,6 @@ static char *
canonicalize_path (const char *s, char *d)
{
char *rv = d;
- const char *sroot;
char *droot;
if (IS_DIR_SEPARATOR (*s))
@@ -368,7 +374,6 @@ canonicalize_path (const char *s, char *
s++;
}
droot = d;
- sroot = s;
while (*s)
{
@@ -495,7 +500,7 @@ edit_dwarf2_line (DSO *dso, uint32_t off
}
value = read_16 (ptr);
- if (value != 2 && value != 3)
+ if (value != 2 && value != 3 && value != 4)
{
error (0, 0, "%s: DWARF version %d unhandled", dso->filename,
value);
@@ -511,8 +516,8 @@ edit_dwarf2_line (DSO *dso, uint32_t off
return 1;
}
- opcode_base = ptr[4];
- ptr = dir = ptr + 4 + opcode_base;
+ opcode_base = ptr[4 + (value >= 4)];
+ ptr = dir = ptr + 4 + (value >= 4) + opcode_base;
/* dir table: */
value = 1;
@@ -739,7 +744,8 @@ edit_attributes (DSO *dso, unsigned char
{
if (t->attr[i].attr == DW_AT_stmt_list)
{
- if (form == DW_FORM_data4)
+ if (form == DW_FORM_data4
+ || form == DW_FORM_sec_offset)
{
list_offs = do_read_32_relocated (ptr);
found_list_offs = 1;
@@ -841,6 +847,8 @@ edit_attributes (DSO *dso, unsigned char
else
ptr += 4;
break;
+ case DW_FORM_flag_present:
+ break;
case DW_FORM_addr:
ptr += ptr_size;
break;
@@ -855,10 +863,12 @@ edit_attributes (DSO *dso, unsigned char
break;
case DW_FORM_ref4:
case DW_FORM_data4:
+ case DW_FORM_sec_offset:
ptr += 4;
break;
case DW_FORM_ref8:
case DW_FORM_data8:
+ case DW_FORM_ref_sig8:
ptr += 8;
break;
case DW_FORM_sdata:
@@ -887,6 +897,7 @@ edit_attributes (DSO *dso, unsigned char
form = DW_FORM_block1;
break;
case DW_FORM_block:
+ case DW_FORM_exprloc:
len = read_uleb128 (ptr);
form = DW_FORM_block1;
assert (len < UINT_MAX);
@@ -1190,7 +1201,7 @@ edit_dwarf2 (DSO *dso)
}
cu_version = read_16 (ptr);
- if (cu_version != 2 && cu_version != 3)
+ if (cu_version != 2 && cu_version != 3 && cu_version != 4)
{
error (0, 0, "%s: DWARF version %d unhandled", dso->filename,
cu_version);