11c31c4432
We set 'ld -z max-page-size' to 4KiB to prevent the linker from aligning the text segment to any built-in default (e.g., 4MiB on x86_64 or 64KiB on ARM). Otherwise, the padding bytes are wasted at the beginning of the final binary.
26 lines
551 B
Makefile
26 lines
551 B
Makefile
#
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# Specifics for 64-bit x86
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#
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SPECS += x86 64bit
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#
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# x86-specific Genode headers
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#
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REP_INC_DIR += include/x86
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REP_INC_DIR += include/x86_64
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REP_INC_DIR += include/platform/x86
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CC_MARCH ?= -m64
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#
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# Avoid wasting almost 4 MiB by telling the linker that the max page size is
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# 4K. Otherwise, the linker would align the text segment to a 4M boundary,
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# effectively adding 4M of zeros to each binary.
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#
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# See http://sourceware.org/ml/binutils/2009-04/msg00099.html
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#
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LD_MARCH ?= -melf_x86_64
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include $(call select_from_repositories,mk/spec-64bit.mk)
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