section-align2.test - OpenGrok history log for /llvm-project-15.0.7/lld/test/ELF/linkerscript/section-align2.test

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# fbf41b52	03-Mar-2020	Fangrui Song <[email protected]>	[ELF] Simplify sh_addr computation and warn if sh_addr is not a multiple of sh_addralign See `docs/ELF/linker_script.rst` for the new computation for sh_addr and sh_addralign. `ALIGN(section_align)` [ELF] Simplify sh_addr computation and warn if sh_addr is not a multiple of sh_addralign See `docs/ELF/linker_script.rst` for the new computation for sh_addr and sh_addralign. `ALIGN(section_align)` now means: "increase alignment to section_align" (like yet another input section requirement). The "start of section .foo changes from 0x11 to 0x20" warning no longer makes sense. Change it to warn if sh_addr%sh_addralign!=0. To decrease the alignment from the default max_input_align, use `.output ALIGN(8) : {}` instead of `.output : ALIGN(8) {}` See linkerscript/section-address-align.test as an example. When both an output section address and ALIGN are set (can be seen as an "undefined behavior" https://sourceware.org/ml/binutils/2020-03/msg00115.html), lld may align more than GNU ld, but it makes a linker script working with GNU ld hard to break with lld. This patch can be considered as restoring part of the behavior before D74736. Differential Revision: https://reviews.llvm.org/D75724 show more ...
# de0dda54	17-Feb-2020	Fangrui Song <[email protected]>	[ELF] Warn changed output section address When the output section address (addrExpr) is specified, GNU ld warns if sh_addr is different. This patch implements the warning. Note, LinkerScript::assig [ELF] Warn changed output section address When the output section address (addrExpr) is specified, GNU ld warns if sh_addr is different. This patch implements the warning. Note, LinkerScript::assignAddresses can be called more than once. We need to record the changed section addresses, and only report the warnings after the addresses are finalized. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D74741 show more ...
# 6ed8e201	17-Feb-2020	Fangrui Song <[email protected]>	[ELF] Ignore the maximum of input section alignments for two cases Follow-up for D74286. Notations: * alignExpr: the computed ALIGN value * max_input_align: the maximum of input section alignments [ELF] Ignore the maximum of input section alignments for two cases Follow-up for D74286. Notations: * alignExpr: the computed ALIGN value * max_input_align: the maximum of input section alignments This patch changes the following two cases to match GNU ld: * When ALIGN is present, GNU ld sets output sh_addr to alignExpr, while lld use max(alignExpr, max_input_align) * When addrExpr is specified but alignExpr is not, GNU ld sets output sh_addr to addrExpr, while lld uses `advance(0, max_input_align)` Note, sh_addralign is still set to max(alignExpr, max_input_align). lma-align.test is enhanced a bit to check we don't overalign sh_addr. fixSectionAlignments() sets addrExpr but not alignExpr for the `!hasSectionsCommand` case. This patch sets alignExpr as well so that max_input_align will be respected. Reviewed By: grimar Differential Revision: https://reviews.llvm.org/D74736 show more ...