c2297ce5c1
For 64-bit architectures, the a.out header has the HDR_MAGIC flag set in the magic and is expanded by 8 bytes containing the 64-bit virtual address of the programs entry point. While Exec.entry contains physical address for kernel images. Our sysexec() would always use Exec.entry, even for 64-bit a.out binaries, which worked because PADDR(entry) == entry for userspace pointers. This change fixes it, having the kernel use the 64-bit entry point and document the behaviour in the manpage. |
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