From bd3380bcddbaef8b189b22a4747b354e1addd4e2 Mon Sep 17 00:00:00 2001 From: Nelson Chu Date: Wed, 5 Feb 2020 19:14:21 -0800 Subject: [PATCH] RISC-V: Add description for -march-attr/-mno-arch-attr options in gas doc. gas/ * doc/c-riscv.texi: Add the doc entries for -march-attr/ -mno-arch-attr command line options. --- gas/ChangeLog | 5 +++++ gas/doc/c-riscv.texi | 14 ++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/gas/ChangeLog b/gas/ChangeLog index 92869a3e00..fe177cf8e2 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2020-02-19 Nelson Chu + + * doc/c-riscv.texi: Add the doc entries for -march-attr/ + -mno-arch-attr command line options. + 2020-02-19 Nelson Chu * testsuite/gas/riscv/c-add-addi.d: New testcase. diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi index 0976651165..739670fafe 100644 --- a/gas/doc/c-riscv.texi +++ b/gas/doc/c-riscv.texi @@ -59,6 +59,20 @@ required to materialize symbol addresses. (default) @item -mno-relax Don't do linker relaxations. +@cindex @samp{-march-attr} option, RISC-V +@item -march-attr +Generate the default contents for the riscv elf attribute section if the +.attribute directives are not set. This section is used to record the +information that a linker or runtime loader needs to check compatibility. +This information includes ISA string, stack alignment requirement, unaligned +memory accesses, and the major, minor and revision version of privileged +specification. + +@cindex @samp{-mno-arch-attr} option, RISC-V +@item -mno-arch-attr +Don't generate the default riscv elf attribute section if the .attribute +directives are not set. + @end table @c man end -- 2.34.1