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mklibs: fix crashes on nonexistant sections in readelf (thx, justus)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18083 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-10-19 23:25:42 +00:00
parent 678a7f27b6
commit 6691016918
1 changed files with 33 additions and 0 deletions
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33
tools/mklibs/patches/005-readelf_fixes.patch Normal file
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@ -0,0 +1,33 @@
--- a/src/mklibs-readelf/main.cpp
+++ b/src/mklibs-readelf/main.cpp
@@ -57,6 +57,10 @@ static void process_elf_header (Elf::fil
static void process_dynamics (Elf::file *file, int64_t tag)
{
const Elf::section_type<Elf::section_type_DYNAMIC> *section = file->get_section_DYNAMIC ();
+
+ if (!section)
+ return;
+
for (std::vector<Elf::dynamic *>::const_iterator it = section->get_dynamics ().begin (); it != section->get_dynamics ().end (); ++it)
{
Elf::dynamic *dynamic = *it;
@@ -67,6 +71,9 @@ static void process_dynamics (Elf::file
static void process_symbols_provided (const Elf::section_type<Elf::section_type_DYNSYM> *section)
{
+ if (!section)
+ return;
+
for (std::vector<Elf::symbol *>::const_iterator it = section->get_symbols ().begin (); it != section->get_symbols ().end (); ++it)
{
const Elf::symbol *symbol = *it;
@@ -95,6 +102,9 @@ static void process_symbols_provided (co
static void process_symbols_undefined (const Elf::section_type<Elf::section_type_DYNSYM> *section)
{
+ if (!section)
+ return;
+
for (std::vector<Elf::symbol *>::const_iterator it = section->get_symbols ().begin (); it != section->get_symbols ().end (); ++it)
{
const Elf::symbol *symbol = *it;