Merge tag 'pull-lu-20230808' of https://gitlab.com/rth7680/qemu into staging

linux-user: Adjust guest image layout vs reserved_va
linux-user: Do not adjust image mapping for host page size
linux-user: Adjust initial brk when interpreter is close to executable
util/selfmap: Rewrite using qemu/interval-tree.h
linux-user: Rewrite probe_guest_base

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* tag 'pull-lu-20230808' of https://gitlab.com/rth7680/qemu:
  linux-user: Rewrite non-fixed probe_guest_base
  linux-user: Rewrite fixed probe_guest_base
  linux-user: Consolidate guest bounds check in probe_guest_base
  linux-user: Remove duplicate CPU_LOG_PAGE from probe_guest_base
  util/selfmap: Rewrite using qemu/interval-tree.h
  linux-user: Use zero_bss for PT_LOAD with no file contents too
  linux-user: Do not adjust zero_bss for host page size
  linux-user: Do not adjust image mapping for host page size
  linux-user: Adjust initial brk when interpreter is close to executable
  linux-user: Use elf_et_dyn_base for ET_DYN with interpreter
  linux-user: Use MAP_FIXED_NOREPLACE for initial image mmap
  linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h
  linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h
  linux-user: Adjust task_unmapped_base for reserved_va

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>