159 lines
5.0 KiB
Diff
159 lines
5.0 KiB
Diff
commit 71a7dd8b7a2df677214c18473eac661ea38fb649
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Author: Panu Matilainen <pmatilai@redhat.com>
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Date: Tue Jun 16 13:52:43 2009 +0300
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Add debugedit support for DWARF-3 (RhBug:505774)
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- patch from Jakub Jelinek
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diff --git a/tools/debugedit.c b/tools/debugedit.c
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index f42b34a..b9db7db 100644
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--- a/tools/debugedit.c
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+++ b/tools/debugedit.c
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@@ -1,4 +1,4 @@
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-/* Copyright (C) 2001, 2002, 2003, 2005, 2007 Red Hat, Inc.
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+/* Copyright (C) 2001, 2002, 2003, 2005, 2007, 2009 Red Hat, Inc.
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Written by Alexander Larsson <alexl@redhat.com>, 2002
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Based on code by Jakub Jelinek <jakub@redhat.com>, 2001.
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@@ -88,6 +88,7 @@ static uint32_t (*do_read_32) (unsigned char *ptr);
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static void (*write_32) (unsigned char *ptr, GElf_Addr val);
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static int ptr_size;
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+static int cu_version;
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static inline uint16_t
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buf_read_ule16 (unsigned char *data)
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@@ -213,16 +214,18 @@ static struct
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#define DEBUG_LINE 2
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#define DEBUG_ARANGES 3
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#define DEBUG_PUBNAMES 4
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-#define DEBUG_MACINFO 5
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-#define DEBUG_LOC 6
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-#define DEBUG_STR 7
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-#define DEBUG_FRAME 8
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-#define DEBUG_RANGES 9
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+#define DEBUG_PUBTYPES 5
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+#define DEBUG_MACINFO 6
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+#define DEBUG_LOC 7
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+#define DEBUG_STR 8
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+#define DEBUG_FRAME 9
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+#define DEBUG_RANGES 10
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{ ".debug_info", NULL, NULL, 0, 0, 0 },
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{ ".debug_abbrev", NULL, NULL, 0, 0, 0 },
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{ ".debug_line", NULL, NULL, 0, 0, 0 },
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{ ".debug_aranges", NULL, NULL, 0, 0, 0 },
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{ ".debug_pubnames", NULL, NULL, 0, 0, 0 },
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+ { ".debug_pubtypes", NULL, NULL, 0, 0, 0 },
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{ ".debug_macinfo", NULL, NULL, 0, 0, 0 },
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{ ".debug_loc", NULL, NULL, 0, 0, 0 },
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{ ".debug_str", NULL, NULL, 0, 0, 0 },
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@@ -302,7 +305,7 @@ no_memory:
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}
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if (*slot != NULL)
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{
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- error (0, 0, "%s: Duplicate DWARF-2 abbreviation %d", dso->filename,
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+ error (0, 0, "%s: Duplicate DWARF abbreviation %d", dso->filename,
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t->entry);
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free (t);
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htab_delete (h);
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@@ -322,7 +325,7 @@ no_memory:
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form = read_uleb128 (ptr);
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if (form == 2 || form > DW_FORM_indirect)
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{
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- error (0, 0, "%s: Unknown DWARF-2 DW_FORM_%d", dso->filename, form);
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+ error (0, 0, "%s: Unknown DWARF DW_FORM_%d", dso->filename, form);
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htab_delete (h);
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return NULL;
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}
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@@ -332,7 +335,7 @@ no_memory:
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}
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if (read_uleb128 (ptr) != 0)
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{
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- error (0, 0, "%s: DWARF-2 abbreviation does not end with 2 zeros",
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+ error (0, 0, "%s: DWARF abbreviation does not end with 2 zeros",
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dso->filename);
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htab_delete (h);
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return NULL;
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@@ -484,7 +487,7 @@ edit_dwarf2_line (DSO *dso, uint32_t off, char *comp_dir, int phase)
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}
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value = read_16 (ptr);
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- if (value != 2)
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+ if (value != 2 && value != 3)
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{
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error (0, 0, "%s: DWARF version %d unhandled", dso->filename,
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value);
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@@ -829,7 +832,12 @@ edit_attributes (DSO *dso, unsigned char *ptr, struct abbrev_tag *t, int phase)
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switch (form)
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{
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- case DW_FORM_ref_addr: /* ptr_size in DWARF 2, offset in DWARF 3 */
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+ case DW_FORM_ref_addr:
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+ if (cu_version == 2)
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+ ptr += ptr_size;
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+ else
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+ ptr += 4;
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+ break;
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case DW_FORM_addr:
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ptr += ptr_size;
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break;
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@@ -881,7 +889,7 @@ edit_attributes (DSO *dso, unsigned char *ptr, struct abbrev_tag *t, int phase)
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assert (len < UINT_MAX);
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break;
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default:
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- error (0, 0, "%s: Unknown DWARF-2 DW_FORM_%d", dso->filename,
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+ error (0, 0, "%s: Unknown DWARF DW_FORM_%d", dso->filename,
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form);
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return NULL;
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}
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@@ -1178,11 +1186,11 @@ edit_dwarf2 (DSO *dso)
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return 1;
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}
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- value = read_16 (ptr);
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- if (value != 2)
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+ cu_version = read_16 (ptr);
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+ if (cu_version != 2 && cu_version != 3)
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{
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error (0, 0, "%s: DWARF version %d unhandled", dso->filename,
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- value);
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+ cu_version);
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return 1;
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}
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@@ -1192,7 +1200,7 @@ edit_dwarf2 (DSO *dso)
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if (debug_sections[DEBUG_ABBREV].data == NULL)
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error (0, 0, "%s: .debug_abbrev not present", dso->filename);
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else
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- error (0, 0, "%s: DWARF-2 CU abbrev offset too large",
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+ error (0, 0, "%s: DWARF CU abbrev offset too large",
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dso->filename);
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return 1;
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}
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@@ -1202,14 +1210,14 @@ edit_dwarf2 (DSO *dso)
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ptr_size = read_1 (ptr);
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if (ptr_size != 4 && ptr_size != 8)
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{
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- error (0, 0, "%s: Invalid DWARF-2 pointer size %d",
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+ error (0, 0, "%s: Invalid DWARF pointer size %d",
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dso->filename, ptr_size);
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return 1;
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}
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}
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else if (read_1 (ptr) != ptr_size)
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{
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- error (0, 0, "%s: DWARF-2 pointer size differs between CUs",
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+ error (0, 0, "%s: DWARF pointer size differs between CUs",
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dso->filename);
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return 1;
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}
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@@ -1227,7 +1235,7 @@ edit_dwarf2 (DSO *dso)
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t = htab_find_with_hash (abbrev, &tag, tag.entry);
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if (t == NULL)
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{
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- error (0, 0, "%s: Could not find DWARF-2 abbreviation %d",
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+ error (0, 0, "%s: Could not find DWARF abbreviation %d",
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dso->filename, tag.entry);
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htab_delete (abbrev);
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return 1;
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