1.1 --- a/src/share/vm/utilities/elfFile.cpp Tue Mar 05 08:50:59 2013 +0100
1.2 +++ b/src/share/vm/utilities/elfFile.cpp Tue Mar 05 13:55:56 2013 -0800
1.3 @@ -197,4 +197,28 @@
1.4 return NULL;
1.5 }
1.6
1.7 +#ifdef LINUX
1.8 +bool ElfFile::specifies_noexecstack() {
1.9 + Elf_Phdr phdr;
1.10 + if (!m_file) return true;
1.11 +
1.12 + if (!fseek(m_file, m_elfHdr.e_phoff, SEEK_SET)) {
1.13 + for (int index = 0; index < m_elfHdr.e_phnum; index ++) {
1.14 + if (fread((void*)&phdr, sizeof(Elf_Phdr), 1, m_file) != 1) {
1.15 + m_status = NullDecoder::file_invalid;
1.16 + return false;
1.17 + }
1.18 + if (phdr.p_type == PT_GNU_STACK) {
1.19 + if (phdr.p_flags == (PF_R | PF_W)) {
1.20 + return true;
1.21 + } else {
1.22 + return false;
1.23 + }
1.24 + }
1.25 + }
1.26 + }
1.27 + return false;
1.28 +}
1.29 +#endif
1.30 +
1.31 #endif // _WINDOWS
