From ebd6b6a1dbb7cd8d8eea862006daa912870025fe Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 13 Jun 2003 12:11:45 +0200 Subject: [PATCH] invoke.texi (SPARC Options): Document ``-mimpure-text''. 2003-06-13 Florian Weimer * doc/invoke.texi (SPARC Options): Document ``-mimpure-text''. From-SVN: r67888 --- gcc/ChangeLog | 4 ++++ gcc/doc/invoke.texi | 16 ++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1804cf44a3e..671094470ad 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2003-06-13 Florian Weimer + + * doc/invoke.texi (SPARC Options): Document ``-mimpure-text''. + 2003-06-13 Kaz Kojima * config/sh/linux.h (TARGET_ASM_FILE_END): Set TARGET_ASM_FILE_END diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1a8f78dce25..990096b16f3 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -5935,6 +5935,22 @@ this to work. Generate output containing quad-word (long double) floating point instructions. +@item -mimpure-text +@opindex mimpure-text +@option{-mimpure-text}, used in addition to @option{-shared}, tells +the compiler to not pass @option{-z text} to the linker when linking a +shared object. Using this option, you can link position-dependent +code into a shared object. + +@option{-mimpure-text} suppresses the ``relocations remain against +allocatable but non-writable sections'' linker error message. +However, the necessary relocations will trigger copy-on-write, and the +shared object is not actually shared across processes. Instead of +using @option{-mimpure-text}, you should compile all source code with +@option{-fpic} or @option{-fPIC}. + +This option is only available on SunOS and Solaris. + @item -msoft-quad-float @opindex msoft-quad-float Generate output containing library calls for quad-word (long double) -- 2.30.2