Peter Oberndorfer : dbghelp:
Make dwarf2_parse_line_numbers handle missing line number section.
Alexandre Julliard
julliard at wine.codeweavers.com
Wed Nov 8 14:11:23 CST 2006
Module: wine
Branch: master
Commit: 6d0948f7a6095bd49a5a6392290cfd01c1ee6f8f
URL: http://source.winehq.org/git/wine.git/?a=commit;h=6d0948f7a6095bd49a5a6392290cfd01c1ee6f8f
Author: Peter Oberndorfer <kumbayo84 at arcor.de>
Date: Mon Nov 6 20:05:28 2006 +0100
dbghelp: Make dwarf2_parse_line_numbers handle missing line number section.
---
dlls/dbghelp/dwarf.c | 5 +++++
dlls/dbghelp/elf_module.c | 2 +-
2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c
index eab1f04..b68824b 100644
--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -150,6 +150,7 @@ typedef struct dwarf2_debug_info_s
struct vector children;
} dwarf2_debug_info_t;
+#define NO_MAP ((const void*)0xffffffff)
typedef struct dwarf2_section_s
{
@@ -1595,6 +1596,10 @@ static void dwarf2_parse_line_numbers(co
struct vector files;
const char** p;
+ /* section with line numbers stripped */
+ if (sections[section_line].address == NO_MAP)
+ return;
+
traverse.data = sections[section_line].address + offset;
traverse.start_data = traverse.data;
traverse.end_data = traverse.data + 4;
diff --git a/dlls/dbghelp/elf_module.c b/dlls/dbghelp/elf_module.c
index a509848..8aaeb5f 100644
--- a/dlls/dbghelp/elf_module.c
+++ b/dlls/dbghelp/elf_module.c
@@ -901,7 +901,7 @@ static BOOL elf_load_debug_info_from_map
dw2_debug, fmap->sect[debug_sect].shdr.sh_size,
dw2_debug_abbrev, fmap->sect[debug_abbrev_sect].shdr.sh_size,
dw2_debug_str, fmap->sect[debug_str_sect].shdr.sh_size,
- dw2_debug_line, fmap->sect[debug_line_sect].shdr.sh_size);
+ dw2_debug_line, dw2_debug_line != NO_MAP ? fmap->sect[debug_line_sect].shdr.sh_size : 0);
if (!lret)
WARN("Couldn't correctly read stabs\n");
ret = ret || lret;
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