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base: Remove dynamic segment check from Elf_binary

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Don't check for supported segment types of dynamic binaries, it is to
restrictive. If something goes wrong the dynamic linker will throw an error.
This commit is contained in:
Sebastian Sumpf 2016-05-12 15:42:42 +02:00 committed by Christian Helmuth
parent 47990f37d7
commit ee05fb9259
1 changed files with 0 additions and 29 deletions
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29
repos/base/src/lib/base/elf_binary.cc
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@ -46,31 +46,6 @@ int Elf_binary::_ehdr_check_compat()
} }
bool inline Elf_binary::_dynamic_check_compat(unsigned type)
{
switch (type) {
case PT_NULL:
case PT_LOAD:
case PT_DYNAMIC:
case PT_INTERP:
case PT_PHDR:
case PT_GNU_EH_FRAME:
case PT_GNU_STACK:
case PT_GNU_RELRO:
case PT_TLS:
case PT_NOTE:
return true;
default:
break;
}
if (type >= PT_LOPROC && type <= PT_HIPROC)
return true;
return false;
}
int Elf_binary::_ph_table_check_compat() int Elf_binary::_ph_table_check_compat()
{ {
Elf_Phdr *ph_table = (Elf_Phdr *)_ph_table; Elf_Phdr *ph_table = (Elf_Phdr *)_ph_table;
@ -78,10 +53,6 @@ int Elf_binary::_ph_table_check_compat()
unsigned i; unsigned i;
for (i = 0; i < num; i++) { for (i = 0; i < num; i++) {
if (!_dynamic_check_compat(ph_table[i].p_type) /* ignored */) {
PWRN("unsupported program segment type 0x%x", ph_table[i].p_type);
return -1;
}
if (ph_table[i].p_type == PT_LOAD) if (ph_table[i].p_type == PT_LOAD)
if (ph_table[i].p_align & (0x1000 - 1)) { if (ph_table[i].p_align & (0x1000 - 1)) {
PWRN("unsupported alignment 0x%lx", (unsigned long) ph_table[i].p_align); PWRN("unsupported alignment 0x%lx", (unsigned long) ph_table[i].p_align);