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Let runtime_loader ignore RT_RELRO program headers. 

* The new libstdc++.so contains program headers of type PT_RELRO (for
  making segments read-only after relocation). While the actual feature
  has not been implemented, the runtime_loader should now silently
  accept (and ignore) those program headers.
This commit is contained in:
Oliver Tappe 2014-08-01 09:29:24 +02:00
parent 220d040227
commit 37f558d5a3
2 changed files with 7 additions and 0 deletions
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1
headers/private/system/elf_common.h
View File

@ -141,6 +141,7 @@
#define PT_PHDR 6
#define PT_TLS 7
#define PT_STACK 0x6474e551
#define PT_RELRO 0x6474e552
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff

6
src/system/runtime_loader/elf_load_image.cpp
View File

@ -75,6 +75,9 @@ count_regions(const char* imagePath, char const* buff, int phnum, int phentsize)
case PT_PHDR:
// we don't use it
break;
case PT_RELRO:
// not implemented yet, but can be ignored
break;
case PT_STACK:
// we don't use it
break;
@ -196,6 +199,9 @@ parse_program_headers(image_t* image, char* buff, int phnum, int phentsize)
case PT_PHDR:
// we don't use it
break;
case PT_RELRO:
// not implemented yet, but can be ignored
break;
case PT_STACK:
// we don't use it
break;