From 080bb7bbe9d06424be5a989ae87160d655d22e2e Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Fri, 10 Apr 2015 08:26:07 +0100 Subject: [PATCH] Add documentation about the interation of the ARM assembler's -EB option and the linker's --be8 option. PR binutils/18198 * ld.texinfo (--be8): Add a note about the interaction of this option with the assembler's -EB option. * doc/c-arm.texi (ARM Options): Add a note about the interaction of the -EB option with the linker's --be8 option. --- gas/ChangeLog | 6 ++++++ gas/doc/c-arm.texi | 6 ++++++ ld/ChangeLog | 6 ++++++ ld/ld.texinfo | 6 ++++-- 4 files changed, 22 insertions(+), 2 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index fb4355eb78..636ef3c6fd 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2015-04-10 Nick Clifton + + PR binutils/18198 + * doc/c-arm.texi (ARM Options): Add a note about the interaction of + the -EB option with the linker's --be8 option. + 2015-04-09 Hans-Peter Nilsson * doc/c-rx.texi: Fix markup typos in last change. diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi index 18becb7aa3..f07aa62bd4 100644 --- a/gas/doc/c-arm.texi +++ b/gas/doc/c-arm.texi @@ -362,6 +362,12 @@ and This option specifies that the output generated by the assembler should be marked as being encoded for a big-endian processor. +Note: If a program is being built for a system with big-endian data +and little-endian instructions then it should be assembled with the +@option{-EB} option, (all of it, code and data) and then linked with +the @option{--be8} option. This will reverse the endianness of the +instructions back to little-endian, but leave the data as big-endian. + @cindex @code{-EL} command line option, ARM @item -EL This option specifies that the output generated by the assembler should diff --git a/ld/ChangeLog b/ld/ChangeLog index b4d3ceb63c..da54c5c560 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,9 @@ +2015-04-10 Nick Clifton + + PR binutils/18198 + * ld.texinfo (--be8): Add a note about the interaction of this + option with the assembler's -EB option. + 2015-04-10 Alan Modra PR ld/18223 diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 82735e9558..5384c98bd1 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -6424,8 +6424,10 @@ import tables. By default this option is turned off. @cindex BE8 @kindex --be8 The @samp{--be8} switch instructs @command{ld} to generate BE8 format -executables. This option is only valid when linking big-endian objects. -The resulting image will contain big-endian data and little-endian code. +executables. This option is only valid when linking big-endian +objects - ie ones which have been assembled with the @option{-EB} +option. The resulting image will contain big-endian data and +little-endian code. @cindex TARGET1 @kindex --target1-rel -- 2.34.1