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If neither AT(lma) nor AT>lma_region is specified, D76995 keeps `lmaOffset` (LMA - VMA) if the previous section is in the default LMA region. This patch additionally checks that the two sections are in the same memory region. Add a test case derived from https://bugs.llvm.org/show_bug.cgi?id=45313 .mdata : AT(0xfb01000) { *(.data); } > TCM // It is odd to make .bss inherit lmaOffset, because the two sections // are in different memory regions. .bss : { *(.bss) } > DDR With this patch, section VMA/LMA match GNU ld. Note, GNU ld supports out-of-order (w.r.t sh_offset) sections and places .text and .bss in the same PT_LOAD. We don't have that behavior. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D81986
LLVM Linker (lld)
This directory and its subdirectories contain source code for the LLVM Linker, a modular cross platform linker which is built as part of the LLVM compiler infrastructure project.
lld is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.
Benchmarking
In order to make sure various developers can evaluate patches over the same tests, we create a collection of self contained programs.
It is hosted at https://s3-us-west-2.amazonaws.com/linker-tests/lld-speed-test.tar.xz
The current sha256 is 10eec685463d5a8bbf08d77f4ca96282161d396c65bd97dc99dbde644a31610f.