kernel/util: Introduce BumpAllocator.

A basic bump allocator that can handle arbitrary amounts of allocations,
so long as all are allocated and freed in a "stack"-like manner.

(Actually it could be

kernel/util: Introduce BumpAllocator.

A basic bump allocator that can handle arbitrary amounts of allocations,
so long as all are allocated and freed in a "stack"-like manner.

(Actually it could be extended to support non-stack-like operation,
but that would require more logic that isn't needed at the moment.)

Change-Id: I47077146ea282600130778d312f7d86bd8c032e0
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8238
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
Reviewed-by: Michael Lotz <mmlr@mlotz.ch>

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elf: add PT_RISCV_ATTRIBUTES program header

Attribute is ignored for now.

It is supposed to check ABI compatiblity and reject loading incompatible images.
Haiku currently do not use multiple ABIs f

elf: add PT_RISCV_ATTRIBUTES program header

Attribute is ignored for now.

It is supposed to check ABI compatiblity and reject loading incompatible images.
Haiku currently do not use multiple ABIs for RISC-V so it is safe to ignore attributes.

PT_RISCV_ATTRIBUTES program header is produced by default in GCC 13 and Clang 17.

Change-Id: I4659e9bacbf34a2a0bc16b34c2aaa37232d700fa
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6948
Reviewed-by: David Karoly <karolyd577@gmail.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>

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