From 19fbdcd30bfcbfe11b2a1a315039f0e3b68025a1 Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Tue, 11 Sep 2007 00:01:24 -0400
Subject: Loader: Error if a TLS section is found in the binary.

--HG--
extra : convert_revision : d763c0382f3cbcc9786510f5a8e521ec9d55eff1
---
 src/base/loader/elf_object.cc | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'src/base/loader/elf_object.cc')

diff --git a/src/base/loader/elf_object.cc b/src/base/loader/elf_object.cc
index f76ea593b..ecce175b2 100644
--- a/src/base/loader/elf_object.cc
+++ b/src/base/loader/elf_object.cc
@@ -343,8 +343,8 @@ ElfObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
     return loadSomeSymbols(symtab, STB_LOCAL);
 }
 
-bool
-ElfObject::isDynamic()
+void
+ElfObject::getSections()
 {
     Elf *elf;
     int sec_idx = 1; // there is a 0 but it is nothing, go figure
@@ -353,6 +353,8 @@ ElfObject::isDynamic()
 
     GElf_Ehdr ehdr;
 
+    assert(!sectionNames.size());
+
     // check that header matches library version
     if (elf_version(EV_CURRENT) == EV_NONE)
         panic("wrong elf version number!");
@@ -372,11 +374,17 @@ ElfObject::isDynamic()
     // While there are no more sections
     while (section != NULL) {
         gelf_getshdr(section, &shdr);
-        if (!strcmp(".interp", elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name)))
-            return true;
+        sectionNames.insert(elf_strptr(elf, ehdr.e_shstrndx, shdr.sh_name));
         section = elf_getscn(elf, ++sec_idx);
     } // while sections
-    return false;
+}
+
+bool
+ElfObject::sectionExists(string sec)
+{
+    if (!sectionNames.size())
+        getSections();
+    return sectionNames.find(sec) != sectionNames.end();
 }
 
 
-- 
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