diff options
| author | Sergey Bugaev <bugaevc@gmail.com> | 2024-03-28 09:40:50 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-03-29 00:32:46 +0100 |
| commit | df19628b2b6665468e698e290dfd1568720ba042 (patch) | |
| tree | f021003706eb8cd45f95e7be96953a230e246334 /include/mach | |
| parent | ced537ad297754e08b19536102712c692c949f44 (diff) | |
elf-load: Respect PT_GNU_STACK
If a bootstrap ELF contains a PT_GNU_STACK phdr, take stack protection
from there. Otherwise, default to VM_PROT_ALL.
Diffstat (limited to 'include/mach')
| -rw-r--r-- | include/mach/exec/elf.h | 1 | ||||
| -rw-r--r-- | include/mach/exec/exec.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/mach/exec/elf.h b/include/mach/exec/elf.h index 9e4f8f7e..55304496 100644 --- a/include/mach/exec/elf.h +++ b/include/mach/exec/elf.h @@ -300,6 +300,7 @@ typedef struct { #define PT_NOTE 4 #define PT_SHLIB 5 #define PT_PHDR 6 +#define PT_GNU_STACK 0x6474e551 #define PT_LOPROC 0x70000000 #define PT_HIPROC 0x7fffffff diff --git a/include/mach/exec/exec.h b/include/mach/exec/exec.h index 94b234b0..29fa897d 100644 --- a/include/mach/exec/exec.h +++ b/include/mach/exec/exec.h @@ -51,6 +51,8 @@ typedef struct exec_info /* (ELF) Address of interpreter string for loading shared libraries, null if none. */ vm_offset_t interp; + /* Required stack protection. */ + vm_prot_t stack_prot; } exec_info_t; typedef int exec_sectype_t; |