diff options
Diffstat (limited to 'subx/012elf.cc')
| -rw-r--r-- | subx/012elf.cc | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/subx/012elf.cc b/subx/012elf.cc index 0ae0b108..da70adec 100644 --- a/subx/012elf.cc +++ b/subx/012elf.cc @@ -138,15 +138,13 @@ void load_segment_from_program_header(uint8_t* elf_contents, int segment_index, :(before "End Includes") // Very primitive/fixed/insecure ELF segments for now. -// code: 0x09000000 -> 0x09ffffff (specified in ELF binary) -// data: 0x0a000000 -> 0x0affffff (specified in ELF binary) -// --- heap gets mmap'd somewhere here --- -// stack: 0xbdffffff -> 0xbd000000 (downward; not in ELF binary) -// argv hack: 0xbf000000 -> 0xbfffffff (not in ELF binary) -// -// Addresses above 0xc0000000 are reserved for the Linux kernel. -const uint32_t CODE_SEGMENT = 0x09000000; -const uint32_t DATA_SEGMENT = 0x0a000000; +// --- inaccessible: 0x00000000 -> 0x08047fff +// code: 0x09000000 -> 0x09ffffff (specified in ELF binary) +// data: 0x0a000000 -> 0x0affffff (specified in ELF binary) +// --- heap gets mmap'd somewhere here --- +// stack: 0xbdffffff -> 0xbd000000 (downward; not in ELF binary) +// argv hack: 0xbf000000 -> 0xbfffffff (not in ELF binary) +// --- reserved for kernel: 0xc0000000 -> ... const uint32_t START_HEAP = 0x0b000000; const uint32_t END_HEAP = 0xbd000000; const uint32_t STACK_SEGMENT = 0xbd000000; |